Overview
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Numerous severe storms tracked across eastern IA, northwest IL, and northeast MO Friday afternoon and evening. Widespread wind gusts between 60-70 mph, large hail up to teacup size, and several tornadoes were reported. The most significant damage occurred in Lena, IL where many homes and outbuildings were damaged, trees uprooted, and power lines downed. Very strong winds also were reported near Washington, IA and near Colmar, IL where several outbuildings and grain bins were destroyed. NWS storm survey teams will be assessing this damage through next week in collaboration county emergency management. We appreciate your patience as we work through our post-event analysis. Additional details will be posted here as it becomes available. |
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| NWS Radar / Warning Loop - April 17th | IR Satellite Loop - April 17th | Event Infographic |
Other NWS Office Event Recaps: Northeast Illinois (NWS Chicago) | Central Illinois (NWS Lincoln)
Tornadoes
Public Information Statement on April 17th Event Damage Surveys
Select a tornado from the table to zoom into the track and view more information. The default table view is limited to 8 tracks, but can be scrolled by a mouse wheel or dynamically expanded. Additionally, the table can fill the entire window by clicking the small circular expanding arrow icon at the very top right of the table and returned to its original size by clicking the button again. The side information panel that opens over the map can be closed using the "X" on the upper right corner of the pop-up. Zoom into the map and click damage points to see detailed information and pictures from the surveys.
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NOTE: times shown below are local to your device's time zone. |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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| Tornadoes that fail to impact any ratable damage indicators on the EF-Scale are rated EF-Unknown (EF-U) | |||||
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| Stephenson County, IL Tornado | Hancock County, IL Tornado | ||||
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| Hancock and McDonough Counties, IL Tornado | caption 1 here | ||||
Storm Reports
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Preliminary Local Storm Report...Summary
National Weather Service Quad Cities IA IL
142 AM CDT Sun Apr 19 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1249 PM Hail 2 E Prairieburg 42.25N 91.38W
04/17/2026 E1.00 Inch Linn IA Public
Report from mPING: Quarter (1.00 in.).
0125 PM Hail 1 S Cascade 42.28N 91.01W
04/17/2026 E1.00 Inch Jones IA Public
Report from mPING: Quarter (1.00 in.).
0217 PM Tstm Wnd Dmg 3 S Ironhills 42.11N 90.76W
04/17/2026 Jackson IA Trained Spotter
Powerline snapped and sheet metal roof
ripped off. Tornado possible.
0238 PM Flash Flood 1 SE Menominee 42.46N 90.53W
04/17/2026 Jo Daviess IL Public
Report from mPING: Street/road flooding;
Street/road closed; Vehicles stranded.
0251 PM Hail 1 SE Galena 42.41N 90.41W
04/17/2026 E1.25 Inch Jo Daviess IL Public
Report from mPING: Half Dollar (1.25 in.).
0252 PM Hail 2 E Galena 42.41N 90.39W
04/17/2026 E1.50 Inch Jo Daviess IL Public
Report from mPING: Ping Pong Ball (1.50
in.).
0254 PM Hail 2 W Galena Territory 42.39N 90.38W
04/17/2026 E1.50 Inch Jo Daviess IL Public
Report from mPING: Ping Pong Ball (1.50
in.).
0255 PM Hail 1 S Rice 42.32N 90.40W
04/17/2026 M1.75 Inch Jo Daviess IL Trained Spotter
0257 PM Hail 2 S Galena Territory 42.37N 90.33W
04/17/2026 E1.75 Inch Jo Daviess IL Public
Report from mPING: Golf Ball (1.75 in.).
0259 PM Hail 2 N Rodden 42.36N 90.32W
04/17/2026 E1.75 Inch Jo Daviess IL Public
Report from mPING: Golf Ball (1.75 in.).
0300 PM Tstm Wnd Dmg Galena 42.43N 90.43W
04/17/2026 Jo Daviess IL Public
Several branches down ranging from 2-4
inches in diameter. Many yard items also
displaced.
0300 PM Hail 1 E Galena Territory 42.40N 90.31W
04/17/2026 E1.00 Inch Jo Daviess IL Public
Report from mPING: Quarter (1.00 in.).
0301 PM Hail 1 E Rodden 42.34N 90.29W
04/17/2026 E1.75 Inch Jo Daviess IL Public
Report from mPING: Golf Ball (1.75 in.).
0305 PM Hail Hanover 42.25N 90.27W
04/17/2026 M1.50 Inch Jo Daviess IL Trained Spotter
0326 PM Tstm Wnd Gst 1 SSE Warren 42.48N 89.99W
04/17/2026 E70 MPH Jo Daviess IL Trained Spotter
Wind out of the west.
0330 PM Hail Elizabeth 42.32N 90.22W
04/17/2026 M1.25 Inch Jo Daviess IL Trained Spotter
0332 PM Tornado 3 NNE Kent 42.35N 89.87W
04/17/2026 Stephenson IL NWS Storm Survey
A high-end EF2, possible multi-vortex,
tornado with estimated peak winds around 130
mph started along Highway 20, SW of Lena IL,
and tracked through Lena before lifting just
SW of McConnell. Extensive damage was noted
to trees, with a lot of damage to roofs and
siding throughout Lena Illinois. Three
houses saw extensive damage, with some walls
that collapsed as well.
0336 PM Hail 2 E Hiawatha 42.05N 91.65W
04/17/2026 M1.00 Inch Linn IA Public
Report from mPING: Quarter (1.00 in.).
0345 PM Flash Flood 1 S Galena 42.41N 90.43W
04/17/2026 Jo Daviess IL Public
Davis Creek on the southeast side of Galena
is out of its banks near 4th and Blackjack
Road. 6 feet higher than normal. water
running across the road.
0345 PM Tstm Wnd Dmg Lena 42.38N 89.83W
04/17/2026 Stephenson IL Public
Photos show structural damage to houses.
Relayed via social media. Tornado possible.
0349 PM Tstm Wnd Dmg 4 NNE Stockton 42.40N 89.99W
04/17/2026 Jo Daviess IL Trained Spotter
3Ft tree down at the base.
0350 PM Hail 1 S Nora 42.44N 89.94W
04/17/2026 M1.00 Inch Jo Daviess IL Trained Spotter
Time estimated by radar.
0353 PM Hail Hiawatha 42.05N 91.68W
04/17/2026 M1.00 Inch Linn IA Fire Dept/Rescue
Relayed by county EM.
0353 PM Hail Robins 42.08N 91.67W
04/17/2026 E1.00 Inch Linn IA Fire Dept/Rescue
Relayed via county EM.
0353 PM Hail Toddville 42.10N 91.72W
04/17/2026 M1.00 Inch Linn IA Fire Dept/Rescue
Delayed report. Relayed via county EM.
0402 PM Hail 3 ESE Alburnett 42.14N 91.57W
04/17/2026 E1.00 Inch Linn IA Trained Spotter
0403 PM Tstm Wnd Gst Walker 42.29N 91.78W
04/17/2026 E60 MPH Linn IA Fire Dept/Rescue
Relayed via county EM. Also pea sized hail.
0418 PM Hail 2 E Rock Grove 42.46N 89.48W
04/17/2026 E1.75 Inch Stephenson IL Public
Report from mPING: Golf Ball (1.75 in.).
0420 PM Tstm Wnd Gst 4 NE Greeley 42.63N 91.29W
04/17/2026 E60 MPH Delaware IA Emergency Mngr
Report relayed by Emergency Manager. Time
estimated by radar.
0421 PM Flash Flood 1 S Galena 42.41N 90.43W
04/17/2026 Jo Daviess IL Public
Davis Creek overflowing its banks and
flowing across a driveway, with debris.
0424 PM Hail 2 W Dakota 42.38N 89.57W
04/17/2026 E3.00 Inch Stephenson IL Public
Report from mPING: Tea Cup (3.00 in.).
0424 PM Hail 1 N Dakota 42.39N 89.53W
04/17/2026 M1.75 Inch Stephenson IL Trained Spotter
0425 PM Hail 3 SW Winneshiek 42.32N 89.57W
04/17/2026 E1.00 Inch Stephenson IL Public
Report from mPING: Quarter (1.00 in.).
0429 PM Hail Winneshiek 42.34N 89.53W
04/17/2026 E1.75 Inch Stephenson IL Public
Report from mPING: Golf Ball (1.75 in.).
0432 PM Hail 3 NNE Stockton 42.40N 89.99W
04/17/2026 M1.00 Inch Jo Daviess IL Public
Photos relayed via social media.
0440 PM Hail 2 NNE Davis 42.45N 89.40W
04/17/2026 M2.00 Inch Stephenson IL NWS Employee
0444 PM Rain 1 NW Galena 42.43N 90.44W
04/17/2026 M1.60 Inch Jo Daviess IL Trained Spotter
0445 PM Hail Dakota 42.39N 89.53W
04/17/2026 M2.75 Inch Stephenson IL Public
report from LOT on Dakota storm.. they
received a photo of baseball size hail..
0450 PM Hail 4 NNE Hopkinton 42.40N 91.22W
04/17/2026 M1.25 Inch Delaware IA Emergency Mngr
0452 PM Tstm Wnd Gst 3 WNW Cascade 42.31N 91.07W
04/17/2026 E67 MPH Dubuque IA Emergency Mngr
Report relayed by Emergency Manager. Time
estimated by radar.
0452 PM Tstm Wnd Dmg Rubio 41.22N 91.93W
04/17/2026 Washington IA Trained Spotter
Tree limbs several inches in diameter down.
0500 PM Tstm Wnd Gst 1 NW Cascade 42.31N 91.02W
04/17/2026 M86 MPH Dubuque IA Emergency Mngr
0500 PM Tstm Wnd Gst 2 W Washington 41.30N 91.72W
04/17/2026 M62 MPH Washington IA Amateur Radio
0501 PM Tstm Wnd Dmg 3 NNW Washington 41.34N 91.72W
04/17/2026 Washington IA Trained Spotter
Semi truck blown over at the intersection of
State Hwy 1 and 92. Tornado possible. Time
estimated by radar.
0501 PM Tstm Wnd Gst 2 SSW Washington Airpor 41.26N 91.69W
04/17/2026 M69 MPH Washington IA Mesonet
0502 PM Funnel Cloud 1 NNE Mt Hamill 40.76N 91.61W
04/17/2026 Lee IA Trained Spotter
Cone funnel cloud.
0503 PM Tstm Wnd Dmg 4 SSE Richmond 41.40N 91.68W
04/17/2026 Washington IA Public
Downed power poles and metal roof blown off
of farm building. Tornado possible. Time
estimated from radar.
0510 PM Tstm Wnd Dmg 5 S Richmond 41.38N 91.70W
04/17/2026 Washington IA Public
Report of cattle barn damaged with debris
scattered. Roof blown off. Possible tornado.
Time estimated by radar.
0510 PM Tstm Wnd Dmg 5 S Richmond 41.38N 91.72W
04/17/2026 Washington IA Emergency Mngr
Building Damaged.
0512 PM Tstm Wnd Gst 1 W Garry Owen 42.28N 90.85W
04/17/2026 M59 MPH Jackson IA Mesonet
0512 PM Tstm Wnd Gst 5 SE Richmond 41.39N 91.64W
04/17/2026 M65 MPH Washington IA Mesonet
0520 PM Tstm Wnd Gst 1 SSW Fairview 42.07N 91.34W
04/17/2026 M63 MPH Jones IA Dept of Highways
RWIS.
0523 PM Tstm Wnd Gst Iowa City Municipality 41.63N 91.55W
04/17/2026 M54 MPH Johnson IA Public
ASOS.
0524 PM Tstm Wnd Gst Lone Tree 41.48N 91.43W
04/17/2026 M60 MPH Johnson IA Emergency Mngr
Measured wind gust of 60 MPH at School in
town. Tree blown over onto powerlines. The
time of the event was estimated using radar.
0529 PM Tstm Wnd Gst 1 ENE Swedesburg 41.10N 91.52W
04/17/2026 M60 MPH Henry IA Mesonet
0541 PM Tstm Wnd Dmg Sawyer 40.70N 91.36W
04/17/2026 Lee IA Public
Large tree fallen down and multiple thick
limbs snapped. Time estimated from radar.
0547 PM Tstm Wnd Gst 3 NNE Wapello 41.21N 91.16W
04/17/2026 M60 MPH Louisa IA Mesonet
0549 PM Tstm Wnd Gst 3 N Wilton 41.63N 91.02W
04/17/2026 E60 MPH Cedar IA Trained Spotter
0556 PM Tstm Wnd Gst 2 NNW Durant 41.63N 90.92W
04/17/2026 E91 MPH Cedar IA Trained Spotter
Measured using a car anemometer.
0557 PM Tstm Wnd Gst Fort Madison Municipali 40.67N 91.33W
04/17/2026 M54 MPH Lee IA AWOS
AWOS.
0603 PM Tstm Wnd Gst Burlington Regional Air 40.78N 91.13W
04/17/2026 M47 MPH Des Moines IA ASOS
ASOS.
0613 PM Tstm Wnd Dmg New Boston 41.17N 91.00W
04/17/2026 Mercer IL Trained Spotter
Multiple downed tree branches, including
some up to 3 inches thick. Portapotty blown
over. Time estimated from radar.
0615 PM Tstm Wnd Gst 2 W Donahue 41.69N 90.71W
04/17/2026 M58 MPH Scott IA Mesonet
0615 PM Tstm Wnd Gst 2 SSW Donahue 41.67N 90.69W
04/17/2026 M63 MPH Scott IA Mesonet
0618 PM Tstm Wnd Gst 1 NW Park View 41.70N 90.55W
04/17/2026 M62 MPH Scott IA Trained Spotter
0618 PM Tstm Wnd Gst 2 SSE Dallas City 40.61N 91.16W
04/17/2026 M63 MPH Hancock IL Mesonet
0619 PM Tstm Wnd Gst Davenport Municipality 41.61N 90.59W
04/17/2026 M66 MPH Scott IA ASOS
ASOS.
0628 PM Tstm Wnd Gst 5 SE Loran 42.18N 89.85W
04/17/2026 M58 MPH Carroll IL Mesonet
0634 PM Tstm Wnd Gst Clinton Municipality 41.83N 90.33W
04/17/2026 M58 MPH Clinton IA AWOS
AWOS.
0635 PM Tstm Wnd Gst 1 S Low Moor 41.80N 90.35W
04/17/2026 M65 MPH Clinton IA Trained Spotter
0636 PM Tstm Wnd Dmg Viola 41.21N 90.59W
04/17/2026 Mercer IL Public
Part of a brick facade on a building
collapsed. Branches downed too.
0640 PM Tstm Wnd Dmg 2 S Eleanor 40.96N 90.70W
04/17/2026 Warren IL Trained Spotter
Reported 60 mph winds for 20 minutes along
with tree limb damage. Time estimated by
radar.
0640 PM Tstm Wnd Dmg 2 S Eleanor 40.96N 90.70W
04/17/2026 Warren IL Trained Spotter
Reported 60 mph winds for 20 minutes along
with tree limb damage. Time estimated by
radar.
0645 PM Hail Buda 41.33N 89.68W
04/17/2026 E1.75 Inch Bureau IL Public
Hail up to the size of golf balls. Time
estimated by radar.
0647 PM Tstm Wnd Dmg 1 E Sheffield 41.36N 89.71W
04/17/2026 Bureau IL Emergency Mngr
Powerpole broken.
0654 PM Tstm Wnd Dmg Basco 40.33N 91.20W
04/17/2026 Hancock IL Emergency Mngr
Home damaged. Possible Tornado.
0654 PM Tstm Wnd Gst 1 NNW Union Grove 41.84N 90.04W
04/17/2026 M61 MPH Whiteside IL Mesonet
0655 PM Tornado 2 NE West Point 40.27N 91.16W
04/17/2026 Hancock IL NWS Storm Survey
A high-end EF1 tornado developed southwest
of Denver IL and tracked through town.
Through the path of the tornado, there were
dozens of utility poles damaged. When
factoring in the rear flank downdraft (RFD),
over 50 poles were broken or bent. Many
trees were snapped, some in Denver with high
concentration. Some structural damage was
also seen, largely to facades, windows, and
roofs in Denver.
0659 PM Tstm Wnd Dmg Denver 40.28N 91.10W
04/17/2026 Hancock IL Public
Farm equipment blown into ditch from an
embankment. Time estimated from radar.
0659 PM Tstm Wnd Gst 3 ESE Hamilton 40.37N 91.31W
04/17/2026 M58 MPH Hancock IL Mesonet
0659 PM Tstm Wnd Gst 4 SSE Osborn 41.46N 90.24W
04/17/2026 M66 MPH Henry IL Mesonet
0700 PM Tstm Wnd Dmg 2 ENE Denver 40.29N 91.06W
04/17/2026 Hancock IL Trained Spotter
Tree limbs snapped and sheet metal roof
blown off a machine shed. Time estimated by
radar.
0712 PM Tstm Wnd Dmg 1 E Plymouth 40.29N 90.91W
04/17/2026 McDonough IL Trained Spotter
Tree blown down.
0712 PM Tstm Wnd Dmg 1 SW Colmar 40.35N 90.89W
04/17/2026 McDonough IL Emergency Mngr
Large grain elevator bins destroyed damaging
train crossing gates.
0713 PM Tornado 4 WNW Colmar 40.37N 90.96W
04/17/2026 Hancock IL NWS Storm Survey
An EF-1 tornado starting in Hancock County
tracked east-southeast before turning east
through western McDonough County. It tracked
just north of Colmar. Along the path was
concentrated tree snapping, many at the
base, and some uprooted. Structural damage
was noted at several outbuildings, including
one destroyed. Several power poles were
snapped or heavily leaning on the nearby
railroad track.
0720 PM Tstm Wnd Dmg 1 ENE Tennessee 40.42N 90.82W
04/17/2026 McDonough IL Emergency Mngr
structure damaged.
0730 PM Tstm Wnd Dmg 4 W Industry 40.34N 90.68W
04/17/2026 McDonough IL Trained Spotter
Tree limbs down, Aluminum flag pole snapped
off approximately 8 feet above ground.
0731 PM Tstm Wnd Dmg 1 NW Industry 40.34N 90.62W
04/17/2026 McDonough IL Emergency Mngr
Power poles down.
0752 PM Tstm Wnd Dmg Tiskilwa 41.29N 89.51W
04/17/2026 Bureau IL Emergency Mngr
Tree blown down.
0801 PM Tstm Wnd Gst Hennepin 41.26N 89.32W
04/17/2026 M58 MPH Putnam IL Trained Spotter
A trained spotter measured a 58 MPH.
0810 PM Tstm Wnd Dmg Spring Valley 41.33N 89.20W
04/17/2026 Bureau IL Emergency Mngr
Multiple trees blown down.
0831 PM Tstm Wnd Gst 4 E Fandon 40.37N 90.70W
04/17/2026 E73 MPH McDonough IL Mesonet
Photos
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Alicia Ottman |
Alicia Ottman |
NWS Storm Survey |
NWS Storm Survey |
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NWS Storm Survey |
NWS Storm Survey |
NWS Storm Survey Lena IL |
NWS Storm Survey Lena IL |
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| NWS Storm Survey Lena IL |
Rain Reports
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24-hr Rainfall Ending April 18th 7 AM |
24-hr CoCoRaHS Reports Ending April 18th |
Public Information Statement
National Weather Service Quad Cities IA IL
120 PM CDT Sat Apr 18 2026
...Highest 24-hour Rain Reports...
Location Amount Time/Date Lat/Lon
1 W Macomb 2.80 in 0900 AM 04/18 40.47N/90.70W
Macomb 3.8 NW 2.25 in 0740 AM 04/18 40.52N/90.72W
1 ESE Carthage 2.25 in 0858 AM 04/18 40.41N/91.13W
Colchester 3.5 NE 1.95 in 0700 AM 04/18 40.46N/90.75W
La Harpe 1.95 in 0700 AM 04/18 40.58N/90.97W
East Dubuque 1.7 SE 1.90 in 0700 AM 04/18 42.48N/90.61W
Macomb 1.89 in 0700 AM 04/18 40.48N/90.67W
Warsaw 5.8 SE 1.87 in 0700 AM 04/18 40.29N/91.36W
2 NNE Colusa 1.87 in 0700 AM 04/18 40.59N/91.15W
Stockton 5.9 WNW 1.85 in 0700 AM 04/18 42.40N/90.10W
Dallas City 3.0 SSE 1.84 in 0700 AM 04/18 40.59N/91.15W
Middleburg 1.82 in 1230 PM 04/18 42.41N/90.35W
Freeport 1.74 in 1240 PM 04/18 42.33N/89.63W
Macomb Arpt 1.73 in 1235 PM 04/18 40.52N/90.65W
Bentley 1.73 in 0800 AM 04/18 40.34N/91.11W
Keokuk 3.4 NW 1.72 in 0600 AM 04/18 40.44N/91.45W
McNabb 1.4 NW 1.65 in 0700 AM 04/18 41.19N/89.23W
Kahoka 1.63 in 1235 PM 04/18 40.38N/91.63W
2 W Wayland 1.61 in 0800 AM 04/18 40.39N/91.63W
Montrose 4.5 NNW 1.61 in 1000 AM 04/18 40.59N/91.44W
Bushnell 1.60 in 0806 AM 04/18 40.55N/90.50W
1 NW Galena 1.60 in 0444 PM 04/17 42.43N/90.44W
Burlington 6.5 SSW 1.60 in 0700 AM 04/18 40.73N/91.19W
Galena 0.8 WSW 1.58 in 0700 AM 04/18 42.42N/90.44W
Monmouth, IL 1.53 in 0730 AM 04/18 40.91N/90.64W
Monmouth 1.50 in 1235 PM 04/18 40.93N/90.63W
Keosauqua 1.50 in 0846 AM 04/18 40.73N/91.96W
Dubuque 7 SSW 1.50 in 0600 AM 04/18 42.41N/90.73W
Burlington 0.8 SSE 1.50 in 1006 AM 04/18 40.80N/91.11W
Stronghurst 0.4 SSW 1.49 in 0700 AM 04/18 40.74N/90.91W
Fort Madison 4.5 NNW 1.47 in 0800 AM 04/18 40.68N/91.38W
Hanover 0.2 NW 1.45 in 0700 AM 04/18 42.26N/90.28W
Elizabeth 1.36 in 0630 AM 04/18 42.32N/90.23W
Mount Carroll 1.34 in 1230 PM 04/18 42.22N/89.95W
Burlington Arpt 1.33 in 1153 AM 04/18 40.77N/91.13W
Anamosa 3 SSW 1.31 in 0700 AM 04/18 42.08N/91.30W
Davis 0.5 N 1.30 in 0700 AM 04/18 42.43N/89.42W
Peosta 2.9 E 1.29 in 0700 AM 04/18 42.44N/90.79W
Dubuque Arpt 1.28 in 1153 AM 04/18 42.40N/90.70W
Freeport 4.3 W 1.23 in 0500 AM 04/18 42.29N/89.72W
CENTRAL CITY 1.23 in 1240 PM 04/18 42.20N/91.53W
Prophetstown 0.2 SW 1.22 in 0700 AM 04/18 41.67N/89.94W
1.0 NW Niota 1.19 in 1230 PM 04/18 40.63N/91.30W
Lanark 0.3 SSW 1.17 in 0500 AM 04/18 42.10N/89.83W
Wapsipinicon River 1.17 in 1215 PM 04/18 42.08N/91.27W
Ridott 3.2 WNW 1.16 in 0500 AM 04/18 42.32N/89.53W
Lanark 6.0 E 1.14 in 0700 AM 04/18 42.10N/89.72W
Mount Carroll 1.13 in 0856 AM 04/18 42.10N/89.98W
2 W Bolton 1.10 in 1200 AM 04/18 42.26N/89.77W
Stockton 1.10 in 1230 PM 04/18 42.40N/89.99W
Atkinson 2.6 NNE 1.10 in 0800 AM 04/18 41.45N/89.99W
Lanark 5.3 N 1.10 in 1006 AM 04/18 42.18N/89.85W
Danville 2.9 W 1.09 in 0700 AM 04/18 40.86N/91.37W
Freeport 2.9 WSW 1.08 in 0835 AM 04/18 42.27N/89.68W
Stockton 3 Nne 1.08 in 0700 AM 04/18 42.40N/90.00W
Galva 1.08 in 0800 AM 04/18 41.16N/90.03W
Hopkinton 5.4 WSW 1.07 in 0700 AM 04/18 42.30N/91.34W
Walnut 5.3 ENE 1.05 in 0700 AM 04/18 41.58N/89.50W
0.9 W Wayland 1.04 in 1230 PM 04/18 40.39N/91.60W
Anamosa 0.6 ESE 1.03 in 0900 AM 04/18 42.11N/91.27W
Prophetstown 0.6 ESE 1.01 in 0600 AM 04/18 41.67N/89.92W
Fort Madison Arpt 1.00 in 1235 PM 04/18 40.67N/91.32W
Van Horne 2.1 NNW 1.00 in 0700 AM 04/18 42.04N/92.11W
Mount Carroll 6.8 NNW 0.99 in 0700 AM 04/18 42.19N/90.02W
Spring Valley Airport 0.98 in 1245 PM 04/18 41.33N/89.21W
Geneseo 2.0 NW 0.94 in 0700 AM 04/18 41.47N/90.18W
Augusta 0.92 in 0803 AM 04/18 40.23N/90.95W
Colona 0.5 ESE 0.91 in 0700 AM 04/18 41.47N/90.33W
Coleta 1.4 SSW 0.90 in 0700 AM 04/18 41.89N/89.81W
SHELLSBURG 0.88 in 1235 PM 04/18 42.09N/91.87W
2 N Muscatine 0.85 in 0700 AM 04/18 41.47N/91.05W
New Windsor 2.0 N 0.80 in 0700 AM 04/18 41.23N/90.44W
Cedar Rapids Arpt 0.80 in 1152 AM 04/18 41.88N/91.72W
No.2-River 0.79 in 1230 PM 04/18 42.50N/90.65W
Farmington 3.5 W 0.78 in 0700 AM 04/18 40.63N/91.81W
Sterling 0.77 in 1235 PM 04/18 41.82N/89.67W
Washington 0.77 in 1245 PM 04/18 41.29N/91.69W
Farmington 2.4 W 0.77 in 0700 AM 04/18 40.63N/91.78W
Farmington 0.3 NW 0.76 in 0700 AM 04/18 40.64N/91.74W
Farmington 0.4 NNW 0.75 in 0700 AM 04/18 40.64N/91.74W
...COCORAHS PRECIPITATION REPORTS... THESE REPORTS ARE CONSIDERED SUPPLEMENTAL AND UNOFFICIAL VALUES ARE FOR THE PREVIOUS 24 HOURS ENDING AROUND 7 AM LOCAL TIME FOR MORE INFORMATION ON THE COCORAHS PROGRAM, PLEASE VISIT WWW.COCORAHS.ORG .B DVN 0418 C DH07/PP/SF/SD/SW : : :COCORAHS PRECIPITATION REPORTS IN ILLINOIS : : SNOW SNOW WATER : PCPN FALL DEPTH EQUIV : IL-MCD-06 : MACOMB 3.8 NW : 2.25 / MM / MM / MM IL-MCD-07 : COLCHESTER 3.5 NE : 1.95 / MM / MM / MM IL-JD-11 : EAST DUBUQUE 1.7 SE : 1.90 / MM / MM / MM IL-JD-15 : STOCKTON 5.9 WNW : 1.85 / MM / MM / MM IL-HN-01 : DALLAS CITY 3.0 SSE : 1.84 / 0.0 / 0.0 / 0.00 IL-PM-06 : MCNABB 1.4 NW : 1.65 / MM / MM / MM IL-WR-07 : MONMOUTH 0.4 SE : 1.53 / MM / MM / MM IL-JD-06 : HANOVER 0.2 NW : 1.45 / MM / MM / MM IL-SP-07 : DAVIS 0.5 N : 1.30 / MM / MM / MM IL-SP-28 : FREEPORT 4.3 W : 1.23 / MM / MM / MM IL-WD-18 : PROPHETSTOWN 0.2 SW : 1.22 / MM / MM / MM IL-MR-10 : VIOLA 0.4 E : 1.20 / MM / MM / MM IL-CR-25 : LANARK 0.3 SSW : 1.17 / MM / MM / MM IL-SP-35 : RIDOTT 3.2 WNW : 1.16 / MM / MM / MM IL-CR-18 : LANARK 6.0 E : 1.14 / MM / MM / MM IL-CR-20 : LANARK 5.3 N : 1.10 / MM / MM / MM IL-HY-04 : ATKINSON 2.6 NNE : 1.10 / MM / MM / MM IL-HY-25 : GALVA 0.9 SE : 1.08 / MM / MM / MM IL-SP-26 : FREEPORT 2.9 WSW : 1.08 / MM / MM / MM IL-BU-11 : WALNUT 5.3 ENE : 1.05 / MM / MM / MM IL-CR-12 : MOUNT CARROLL 6.8 NNW : 0.99 / 0.0 / 0.0 / MM IL-HY-08 : GENESEO 2.0 NW : 0.94 / MM / MM / MM IL-HY-30 : COLONA 0.5 ESE : 0.91 / MM / MM / MM IL-WD-08 : COLETA 1.4 SSW : 0.90 / MM / MM / MM IL-HY-06 : NEW WINDSOR 2.0 N : 0.80 / MM / MM / MM IL-HY-27 : COLONA 1.3 WNW : 0.74 / MM / MM / MM IL-WD-05 : MORRISON 3.2 E : 0.70 / MM / MM / MM IL-WD-22 : ROCK FALLS 3.1 S : 0.66 / MM / MM / MM : : :COCORAHS PRECIPITATION REPORTS IN EASTERN IOWA : : SNOW SNOW WATER : PCPN FALL DEPTH EQUIV : IA-LE-16 : KEOKUK 3.4 NW : 1.72 / MM / MM / MM IA-LE-03 : MONTROSE 4.5 NNW : 1.61 / MM / MM / MM IA-DM-07 : BURLINGTON 6.5 SSW : 1.60 / MM / MM / MM IA-LE-20 : FORT MADISON 4.5 NNW : 1.47 / MM / MM / MM IA-DB-16 : PEOSTA 2.9 E : 1.29 / MM / MM / MM IA-DM-18 : DANVILLE 2.9 W : 1.09 / MM / MM / MM IA-DW-06 : HOPKINTON 5.4 WSW : 1.07 / MM / MM / MM IA-JN-16 : ANAMOSA 0.6 ESE : 1.03 / MM / MM / MM IA-BT-23 : VAN HORNE 2.1 NNW : 1.00 / MM / MM / MM IA-DB-31 : BELLEVUE 12.2 NW : 0.99 / MM / MM / MM IA-LE-21 : FORT MADISON 7.7 N : 0.90 / MM / MM / MM IA-BT-26 : VAN HORNE 3.4 SSW : 0.85 / MM / MM / MM IA-VB-03 : FARMINGTON 3.5 W : 0.78 / 0.0 / 0.0 / 0.00 IA-VB-08 : FARMINGTON 2.4 W : 0.77 / 0.0 / 0.0 / 0.00 IA-DB-20 : ASBURY 0.4 SW : 0.76 / MM / MM / MM IA-VB-07 : FARMINGTON 0.3 NW : 0.76 / 0.0 / 0.0 / 0.00 IA-VB-09 : FARMINGTON 0.4 NNW : 0.75 / 0.0 / 0.0 / 0.00 IA-CN-05 : CAMANCHE 1.2 W : 0.74 / MM / MM / MM IA-CN-22 : CLINTON 1.7 NNW : 0.74 / MM / MM / MM IA-LN-07 : CENTRAL CITY 6.7 W : 0.72 / MM / MM / MM IA-CN-25 : CLINTON 1.3 NNE : 0.58 / MM / MM / MM IA-ST-70 : BETTENDORF 2.4 ENE : 0.58 / 0.0 / 0.0 / 0.00 IA-WS-02 : AINSWORTH 7.4 N : 0.58 / MM / MM / MM IA-LN-53 : ROBINS 0.8 SE : 0.56 / 0.0 / 0.0 / 0.00 IA-JF-14 : FAIRFIELD 0.7 SE : 0.55 / MM / MM / MM IA-LS-05 : WAPELLO 5.4 SE : 0.55 / MM / MM / MM IA-DM-15 : YARMOUTH 1.9 SW : 0.51 / MM / MM / MM IA-ST-65 : DAVENPORT 4.3 NE : 0.51 / 0.0 / 0.0 / MM IA-LS-02 : MORNING SUN 1.7 E : 0.49 / MM / MM / MM IA-LN-03 : ELY 0.5 SE : 0.46 / MM / MM / MM IA-ST-30 : ELDRIDGE 0.7 SSW : 0.45 / 0.0 / MM / MM IA-BT-24 : MOUNT AUBURN 0.1 SSW : 0.44 / 0.0 / 0.0 / 0.00 IA-IA-02 : MARENGO 2.6 SSW : 0.44 / MM / MM / MM IA-ST-03 : PARK VIEW 0.2 WSW : 0.44 / MM / MM / MM IA-JF-12 : FAIRFIELD 5.7 NNE : 0.43 / MM / MM / MM IA-BC-08 : INDEPENDENCE 0.9 WNW : 0.41 / MM / MM / MM IA-HY-09 : MOUNT UNION 3.6 S : 0.40 / MM / MM / MM IA-LN-54 : CEDAR RAPIDS 4.1 NW : 0.39 / MM / MM / MM IA-ST-37 : DAVENPORT 0.9 WNW : 0.39 / MM / MM / MM IA-WS-07 : WELLMAN 4.0 E : 0.39 / MM / MM / MM IA-CN-17 : CHARLOTTE 1.9 WNW : 0.38 / MM / MM / MM IA-JH-49 : SWISHER 2.6 SE : 0.38 / MM / MM / MM IA-ST-55 : LONG GROVE 5.0 ENE : 0.38 / MM / MM / MM IA-LN-31 : CEDAR RAPIDS 2.7 NE : 0.36 / MM / MM / MM IA-BT-11 : MOUNT AUBURN 2.2 NNW : 0.33 / MM / MM / MM IA-JH-38 : WEST BRANCH 2.3 SSW : 0.33 / MM / MM / MM IA-BT-12 : FAIRFAX 4.0 NW : 0.31 / 0.0 / 0.0 / 0.00 IA-LN-63 : MARION 0.9 NE : 0.29 / MM / MM / MM IA-JH-54 : IOWA CITY 2.3 E : 0.28 / MM / MM / MM IA-CN-02 : CALAMUS 2.0 NE : 0.27 / MM / MM / MM IA-JH-37 : SOLON 0.4 WNW : 0.27 / MM / MM / MM IA-KK-07 : HAYESVILLE 0.2 SW : 0.27 / MM / MM / MM IA-DW-10 : DUNDEE 1.4 NNE : 0.25 / MM / MM / MM IA-LN-59 : MARION 0.4 NNW : 0.25 / MM / MM / MM IA-LN-27 : MARION 1.7 NNW : 0.24 / MM / MM / MM IA-JH-55 : IOWA CITY 1.3 ESE : 0.22 / MM / MM / MM IA-BC-09 : WINTHROP 5.6 NNE : 0.19 / MM / MM / MM IA-JH-50 : IOWA CITY 3.7 E : 0.19 / MM / MM / MM IA-JH-63 : IOWA CITY 3.5 E : 0.19 / MM / MM / MM IA-LN-49 : CEDAR RAPIDS 2.1 NW : 0.17 / MM / MM / MM IA-CD-07 : WEST BRANCH 2.0 NNW : 0.13 / MM / MM / MM IA-JH-41 : IOWA CITY 2.7 E : 0.11 / MM / MM / MM IA-CD-08 : TIPTON 0.3 ESE : 0.10 / MM / MM / MM IA-IA-13 : PARNELL 0.1 SSW : 0.10 / MM / MM / MM IA-JH-57 : IOWA CITY 1.2 WSW : 0.10 / MM / MM / MM IA-JH-27 : NORTH LIBERTY 0.7 SSW : 0.08 / MM / MM / MM IA-JH-48 : CORALVILLE 1.7 SSE : 0.08 / MM / MM / MM IA-JH-61 : IOWA CITY 2.0 WSW : 0.08 / MM / MM / MM IA-JH-58 : IOWA CITY 1.4 NNE : 0.07 / MM / MM / MM IA-JH-64 : IOWA CITY 1.5 NNE : 0.06 / 0.0 / MM / MM : : :COCORAHS PRECIPITATION REPORTS IN NORTHEAST MISSOURI : : SNOW SNOW WATER : PCPN FALL DEPTH EQUIV : MO-CK-04 : KAHOKA 5.2 ESE : 1.61 / MM / MM / MM .END
Environment
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| 20z - 500 mb Analysis | 20z - 700 mb Analysis | 20z - 850 mb Analysis | 20z - 925 mb Analysis |
Near-storm environment
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| 4/17 - 18Z DVN Sounding | 4/17 - 21Z DVN Sounding | 4/18 - 00Z DVN Sounding |
Additional environmental data.
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CAPE - Atmospheric Instability Favorable For Developing Storms |
0-6 km Shear Favorable For Storm Organization |
Downdraft CAPE Favorable for Strong Downdrafts |
Low-Level Lapse Rates Favorable for Atmospheric Instability |
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Supercell Composite Favorable for Supercells |
0-3 km Shear/CAPE Favorable for Mesovortex Development |
0-1 km Shear Favorable for Tornadoes |
Precipitable Water Favorable for Heavy Rain |
SPC Outlooks
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Convective Outlook |
Tornado Threat |
Hail Threat |
Wind Threat |
Severe/Tornado Watches & MCDs
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Tornado Watch 129 |
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