A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >
Through the day on Friday April, 26th, a short wave upper level trough of low pressure slowly shifted eastward across the central plains. In response, a deepening surface low pressure center developed over the panhandles with an associated frontal boundary extending from the panhandles east/northeastward through Kansas into western Missouri. Through noon, this surface low began to sink southward, dragging the frontal boundary along with it. Ahead of this front, southerly surface winds continued to transport a decent amount of moisture into the region. As instability slowly increased, a well developed cumulus field formed along the eastern Texas panhandle into far southwestern Kansas.
Late in the afternoon, storms began to develop within the cumulus field and slowly moved eastward with the progression of the front into far western Oklahoma through 5 pm. For the next 8 hours, very strong to severe thunderstorms developed along this front as it pushed slowly southward across the state. These storms produced numerous reports of golf ball sized hail and winds of 60 mph. Late in the evening, storms entered the OKC metro, dropping not only golf ball or larger hail, but excessive amounts of pea to quarter sized hail, with reports of hail covering roadways. These storms also produced another amount of decent rainfall. With preliminary measurements of 1 inch in the OKC metro area, to near 2 inches across portions of south central Oklahoma, from Chickasha to Ada. With such a heavy burst of rainfall in Chickasha through the Metro, a few flash flood reports were reported with these storms.
There were also reports of significant wind damage within the town of Anadarko. A storm survey crew was able to determine that the damage was caused by 70 to 80 mph rear flank downdraft (RFD) winds. There were also reports of powerlines and large treelimbs down in the Stratford area as well, also caused by straight line winds.
More weather information (storm reports, weather maps, soundings, etc.) about this day can be found at this link: https://www.spc.noaa.gov/exper/archive/event.php?date=20130426
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORMAN OK
614 PM CDT SAT APR 27 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0522 PM HAIL 3 NE ARNETT 36.17N 99.73W
04/26/2013 E1.00 INCH ELLIS OK CO-OP OBSERVER
0605 PM TSTM WND GST 4 WNW CAMARGO 36.04N 99.35W
04/26/2013 M64.00 MPH DEWEY OK MESONET
0631 PM TORNADO 6 S TALOGA 35.95N 98.99W
04/26/2013 DEWEY OK STORM CHASER
A BRIEF TORNADO WAS OBSERVED.
0640 PM TSTM WND GST 2 S PUTNAM 35.83N 98.97W
04/26/2013 E60.00 MPH DEWEY OK PUBLIC
0649 PM HAIL 10 E SWEETWATER 35.42N 99.74W
04/26/2013 E1.25 INCH BECKHAM OK TRAINED SPOTTER
0709 PM HAIL OAKWOOD 35.93N 98.70W
04/26/2013 E1.00 INCH DEWEY OK TRAINED SPOTTER
0710 PM TSTM WND GST 9 W THOMAS 35.75N 98.91W
04/26/2013 E60.00 MPH CUSTER OK PUBLIC
ALSO RECEIVED NICKEL SIZE HAIL
0729 PM HAIL 3 W CANUTE 35.43N 99.33W
04/26/2013 E0.88 INCH WASHITA OK PUBLIC
0743 PM HAIL GREENFIELD 35.73N 98.38W
04/26/2013 E1.00 INCH BLAINE OK PUBLIC
0815 PM HAIL CONCHO 35.62N 98.00W
04/26/2013 E1.25 INCH CANADIAN OK PUBLIC
0815 PM TSTM WND GST CONCHO 35.62N 98.00W
04/26/2013 E60.00 MPH CANADIAN OK PUBLIC
0818 PM TSTM WND GST 2 E CONCHO 35.62N 97.96W
04/26/2013 M60.00 MPH CANADIAN OK TRAINED SPOTTER
ALSO QUARTER TO HALF DOLLAR SIZE HAIL.
0819 PM HAIL 3 N CLOUD CHIEF 35.29N 98.85W
04/26/2013 E2.00 INCH WASHITA OK TRAINED SPOTTER
0832 PM HAIL 1 N COWDEN 35.26N 98.72W
04/26/2013 E1.75 INCH WASHITA OK TRAINED SPOTTER
0834 PM HAIL 5 SSE PIEDMONT 35.58N 97.71W
04/26/2013 E1.25 INCH CANADIAN OK PUBLIC
0837 PM HAIL 4 NNW BETHANY 35.56N 97.67W
04/26/2013 E1.25 INCH OKLAHOMA OK TRAINED SPOTTER
0838 PM HAIL 7 W FORT COBB RESERVOIR 35.21N 98.61W
04/26/2013 M1.94 INCH CADDO OK NWS EMPLOYEE
1 S ALFALFA OK. TIME OF HAIL FALL ESTIMATED. FOUND ALMOST
2 INCH DIAMETER HAIL STONES ON GROUND ABOUT ONE HALF HOUR
AFTER THE HAIL FELL.
0838 PM HAIL 12 NW OKLAHOMA CITY 35.59N 97.66W
04/26/2013 E0.75 INCH OKLAHOMA OK PUBLIC
0840 PM HAIL 10 NNE OKLAHOMA CITY 35.60N 97.45W
04/26/2013 E1.50 INCH OKLAHOMA OK TRAINED SPOTTER
0841 PM HAIL ALFALFA 35.22N 98.61W
04/26/2013 E1.50 INCH CADDO OK FIRE DEPT/RESCUE
0842 PM HAIL 3 NNW BETHANY 35.55N 97.66W
04/26/2013 E1.25 INCH OKLAHOMA OK TRAINED SPOTTER
0843 PM HAIL 4 NW THE VILLAGE 35.61N 97.61W
04/26/2013 E2.00 INCH OKLAHOMA OK PUBLIC
0845 PM TSTM WND GST 5 SSE PIEDMONT 35.58N 97.71W
04/26/2013 E60.00 MPH CANADIAN OK TRAINED SPOTTER
0845 PM HAIL EDMOND 35.65N 97.48W
04/26/2013 E1.50 INCH OKLAHOMA OK NWS EMPLOYEE
0846 PM HAIL 7 NW OKLAHOMA CITY 35.54N 97.60W
04/26/2013 E1.25 INCH OKLAHOMA OK PUBLIC
0848 PM HAIL 2 S ALFALFA 35.19N 98.61W
04/26/2013 E1.75 INCH CADDO OK TRAINED SPOTTER
0848 PM HAIL 5 NW OKLAHOMA CITY 35.52N 97.58W
04/26/2013 E1.75 INCH OKLAHOMA OK TRAINED SPOTTER
0850 PM HAIL 6 N NICHOLS HILLS 35.63N 97.54W
04/26/2013 E1.50 INCH OKLAHOMA OK NWS EMPLOYEE
0850 PM HAIL EDMOND 35.65N 97.48W
04/26/2013 E2.50 INCH OKLAHOMA OK PUBLIC
0857 PM HAIL 2 E HINTON 35.47N 98.32W
04/26/2013 E1.00 INCH CADDO OK EMERGENCY MNGR
0905 PM HAIL FORT COBB 35.10N 98.44W
04/26/2013 E1.50 INCH CADDO OK LAW ENFORCEMENT
0914 PM HAIL CHOCTAW 35.48N 97.27W
04/26/2013 E1.75 INCH OKLAHOMA OK TRAINED SPOTTER
0915 PM TSTM WND DMG E ANADARKO 35.07N 98.24W
04/26/2013 CADDO OK NWS STORM SURVEY
*** 1 INJ *** NWS STORM SURVEY INDICATED DAMAGE
CONSISTENT WITH RFD WINDS OF 70 TO 80 MPH. HEAVY ROOF
DAMAGE TO TWO HOMES AND A CHURCH. ALSO TREES AND LIGHT
POLES DOWN. OTHER MINOR DAMAGE SCATTERED OVER CENTRAL AND
EASTERN PARTS OF ANADARKO.
0915 PM HAIL JONES 35.57N 97.29W
04/26/2013 E1.00 INCH OKLAHOMA OK PUBLIC
0918 PM HAIL CHOCTAW 35.48N 97.27W
04/26/2013 E1.25 INCH OKLAHOMA OK PUBLIC
0920 PM HAIL 2 N ANADARKO 35.09N 98.24W
04/26/2013 E1.00 INCH CADDO OK AMATEUR RADIO
0930 PM HAIL 3 E ANADARKO 35.07N 98.19W
04/26/2013 E1.75 INCH CADDO OK CO-OP OBSERVER
0932 PM TSTM WND GST CYRIL 34.90N 98.20W
04/26/2013 M61.00 MPH CADDO OK PUBLIC
0938 PM HAIL 6 W MEEKER 35.50N 97.00W
04/26/2013 E1.50 INCH LINCOLN OK EMERGENCY MNGR
0941 PM HAIL CHICKASHA 35.04N 97.95W
04/26/2013 E1.00 INCH GRADY OK EMERGENCY MNGR
0941 PM HAIL CHICKASHA 35.04N 97.95W
04/26/2013 E1.00 INCH GRADY OK AMATEUR RADIO
0944 PM HAIL 1 W MUSTANG 35.39N 97.74W
04/26/2013 E1.00 INCH CANADIAN OK PUBLIC
0945 PM HAIL CHICKASHA 35.04N 97.95W
04/26/2013 E1.25 INCH GRADY OK PUBLIC
0950 PM HAIL MUSTANG 35.39N 97.72W
04/26/2013 E1.00 INCH CANADIAN OK PUBLIC
1000 PM HAIL PRAGUE 35.49N 96.69W
04/26/2013 E1.75 INCH LINCOLN OK TRAINED SPOTTER
1004 PM TSTM WND GST MEEKER 35.50N 96.89W
04/26/2013 E60.00 MPH LINCOLN OK PUBLIC
ALSO PING PONG SIZED HAIL. WINDOWS BROKE OUT OF HOUSES.
1006 PM HAIL PRAGUE 35.49N 96.69W
04/26/2013 E1.75 INCH LINCOLN OK EMERGENCY MNGR
1017 PM HAIL 1 SSE STANLEY DRAPER LA 35.32N 97.35W
04/26/2013 E1.25 INCH CLEVELAND OK TRAINED SPOTTER
1026 PM FLASH FLOOD CHICKASHA 35.04N 97.95W
04/26/2013 GRADY OK PUBLIC
1100 PM FLASH FLOOD CHICKASHA 35.04N 97.95W
04/26/2013 GRADY OK LAW ENFORCEMENT
NUMEROUS RESIDENTIAL STREETS IMPASSABLE DUE TO HIGH
WATER.
1115 PM TSTM WND DMG STRATFORD 34.80N 96.96W
04/26/2013 GARVIN OK EMERGENCY MNGR
LARGE TREE LIMBS DOWN.
1142 PM HAIL MAYSVILLE 34.82N 97.41W
04/26/2013 E1.00 INCH GARVIN OK TRAINED SPOTTER
1145 PM TSTM WND DMG 1 S STRATFORD 34.78N 96.96W
04/26/2013 GARVIN OK AMATEUR RADIO
9 INCH TREE LIMB ON ROADWAY. POWER LINES ACROSS HIGHWAY
19.
1148 PM HAIL 2 S STRATFORD 34.77N 96.96W
04/26/2013 E1.00 INCH GARVIN OK EMERGENCY MNGR
1156 PM HAIL ADA 34.78N 96.66W
04/26/2013 E1.00 INCH PONTOTOC OK LAW ENFORCEMENT
1200 AM HAIL 2 NNE PAULS VALLEY 34.77N 97.20W
04/27/2013 E1.75 INCH GARVIN OK PUBLIC
1205 AM HAIL PAULS VALLEY 34.74N 97.22W
04/27/2013 E1.25 INCH GARVIN OK EMERGENCY MNGR
1230 AM HAIL 7 WNW ROFF 34.65N 96.97W
04/27/2013 E1.00 INCH GARVIN OK EMERGENCY MNGR
1240 AM HAIL 2 W ROFF 34.63N 96.88W
04/27/2013 E1.00 INCH PONTOTOC OK EMERGENCY MNGR
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Shown below are many photos taken by various people during the April 26, 2013 severe weather event.
 Elk City Storm, Brandon Tom |
 Storm Approaching Cordell, OK, TJ Shanks |
 Hail at Edmond Walmart, Christy Miller |
 Hail collecting at downspout in NE OKC, Chris Turan |
 Hail at Pauls Valley, Dawna Pearson Pierce |
 Hail at I-35 and I-44 Junction, Derek Stratman |
 Large Hail near Lake Hefner (OKC), Heather Henke |
 Large Hail at Fort Cobb Lake, Kevin May |
 Hail at Quail Springs Mall (N. OKC), Laura Bell |
 Crop Damage from Hail in Piedmont, OK, Val Tharp |
 Hail NW OKC, Pam Terlep Harbaugh |
 Hail at Quail Springs Mall (N. OKC), Michelle Proto |
 Hail in Harrah, OK, Sheri Penner |
 View of Storm N. of Lawton, Shane Davis |
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