Overview
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			 Summary:  | 
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Storm Reports
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| Storm Reports | 
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO IL
1125 AM CDT FRI MAR 15 2019
..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..
0645 PM     NON-TSTM WND GST GARY AIRPORT            41.62N 87.41W
03/14/2019  M58 MPH          LAKE               IN   AWOS
            AWOS STATION GYY, GARY AIRPORT.
0313 PM     NON-TSTM WND GST 3 ESE VALPARAISO        41.45N 87.01W
03/14/2019  M62 MPH          PORTER             IN   ASOS
            ASOS STATION VPZ, VALPARAISO AIRPORT.
0304 PM     NON-TSTM WND GST OHARE AIRPORT           41.98N 87.91W
03/14/2019  M60 MPH          COOK               IL   ASOS
            ASOS STATION ORD, CHICAGO OHARE.
0228 PM     HAIL             5 SE VALPARAISO         41.42N 87.01W
03/14/2019  E0.70 INCH       PORTER             IN   PUBLIC
0221 PM     HAIL             4 N KOUTS               41.37N 87.03W
03/14/2019  E1.00 INCH       PORTER             IN   AMATEUR RADIO
            ESTIMATED 60 MPH WINDS.
0153 PM     HAIL             4 SW LOWELL             41.25N 87.46W
03/14/2019  E1.00 INCH       LAKE               IN   TRAINED SPOTTER
0153 PM     HAIL             HAMMOND                 41.58N 87.50W
03/14/2019  E1.00 INCH       LAKE               IN   PUBLIC
            ESTIMATED 60 MPH WINDS TOO.
0152 PM     HAIL             1 SSW MUNSTER           41.53N 87.51W
03/14/2019  E0.25 INCH       LAKE               IN   TRAINED SPOTTER
0151 PM     TORNADO          2 SSE LOWELL            41.27N 87.41W
03/14/2019                   LAKE               IN   EMERGENCY MNGR
            THROUGH PICTURES AND OTHER DATA PROVIDED BY
            LAKE COUNTY EMA, AS WELL AS TRAINED STORM
            SPOTTERS, A SHORT-LIVED EF-0 TORNADO WAS
            CONFIRMED. PATH LENGTH WAS 1.5 MI. DAMAGE
            WAS ALMOST ENTIRELY TO TREES, INCLUDING
            PORTION OF A LARGE ONE DOWNED ON A HOME.
            SOME SHINGLE DAMAGE ON ANOTHER HOME,
            MULTIPLE FENCES DAMAGED, AND ONE UTILITY
            POLE SNAPPED AND OTHERS DAMAGED.
0149 PM     HAIL             DYER                    41.50N 87.51W
03/14/2019  E1.50 INCH       LAKE               IN   TRAINED SPOTTER
            CORRECTS PREVIOUS HAIL REPORT FROM DYER.
0143 PM     HAIL             2 SSE SAUK VILLAGE      41.47N 87.55W
03/14/2019  M1.00 INCH       WILL               IL   COCORAHS
0130 PM     HAIL             MOMENCE                 41.16N 87.66W
03/14/2019  E0.25 INCH       KANKAKEE           IL   TRAINED SPOTTER
            TRAINED SPOTTER REPORTS PEA SIZED HAIL IN
            MOMENCE.
0125 PM     HAIL             4 SE PEOTONE            41.30N 87.73W
03/14/2019  E0.25 INCH       KANKAKEE           IL   PUBLIC
0124 PM     HAIL             2 ESE LOCKPORT          41.58N 88.03W
03/14/2019  M0.25 INCH       WILL               IL   TRAINED SPOTTER
            ALSO 30-40 MPH WINDS.
0115 PM     HAIL             BOURBONNAIS             41.16N 87.88W
03/14/2019  M0.25 INCH       KANKAKEE           IL   PUBLIC
0115 PM     TSTM WND DMG     2 SSW CHEBANSE          40.97N 87.92W
03/14/2019                   IROQUOIS           IL   EMERGENCY MNGR
            IROQUOIS COUNTY EMERGENCY MANAGEMENT REPORTS
            BARN DESTROYED BY HIGH WINDS. TIME ESTIMATED
            BY RADAR.
0110 PM     TSTM WND DMG     CLIFTON                 40.93N 87.94W
03/14/2019                   IROQUOIS           IL   EMERGENCY MNGR
            IROQUOIS COUNTY EMERGENCY MANAGEMENT REPORTS
            ROOF DAMAGE TO A RESIDENCE IN CLIFTON. TIME
            ESTIMATED BY RADAR.
0105 PM     HAIL             ASHKUM                  40.88N 87.96W
03/14/2019  M1.00 INCH       IROQUOIS           IL   TRAINED SPOTTER
1249 PM     HAIL             OAK BROOK               41.84N 87.95W
03/14/2019  E0.25 INCH       DUPAGE             IL   TRAINED SPOTTER
1248 PM     HAIL             CLARENDON HILLS         41.80N 87.96W
03/14/2019  E0.25 INCH       DUPAGE             IL   PUBLIC
1233 PM     HAIL             WILLOWBROOK             41.77N 87.94W
03/14/2019  M0.25 INCH       DUPAGE             IL   PUBLIC
            PEA TO HALF INCH HAIL.
1229 PM     HAIL             GURNEE                  42.38N 87.94W
03/14/2019  E0.25 INCH       LAKE               IL   TRAINED SPOTTER
1225 PM     HAIL             BOLINGBROOK             41.70N 88.07W
03/14/2019  E0.70 INCH       WILL               IL   PUBLIC
1211 PM     HAIL             2 W CRYSTAL LAWNS       41.57N 88.20W
03/14/2019  E0.70 INCH       WILL               IL   PUBLIC
1207 PM     HAIL             2 SW SHOREWOOD          41.50N 88.22W
03/14/2019  E1.00 INCH       WILL               IL   TRAINED SPOTTER
1207 PM     HAIL             1 W SHOREWOOD           41.52N 88.23W
03/14/2019  M1.00 INCH       WILL               IL   NWS EMPLOYEE
1206 PM     HAIL             MORRIS                  41.36N 88.42W
03/14/2019  M0.75 INCH       GRUNDY             IL   PUBLIC
1141 AM     HAIL             LAKEVIEW                41.95N 87.66W
03/14/2019  E0.70 INCH       COOK               IL   TRAINED SPOTTER
1140 AM     HAIL             2 N MAZON               41.27N 88.43W
03/14/2019  E1.00 INCH       GRUNDY             IL   TRAINED SPOTTER
1136 AM     HAIL             BROOKFIELD              41.82N 87.85W
03/14/2019  E0.25 INCH       COOK               IL   PUBLIC
1132 AM     HAIL             LYONS                   41.81N 87.82W
03/14/2019  E0.25 INCH       COOK               IL   PUBLIC
1129 AM     HAIL             DARIEN                  41.75N 87.97W
03/14/2019  E0.25 INCH       DUPAGE             IL   TRAINED SPOTTER
1121 AM     HAIL             BOLINGBROOK             41.70N 88.07W
03/14/2019  E0.25 INCH       WILL               IL   TRAINED SPOTTER
1109 AM     HAIL             DWIGHT                  41.09N 88.43W
03/14/2019  E0.25 INCH       LIVINGSTON         IL   LAW ENFORCEMENT
1103 AM     HAIL             HOMEWOOD                41.56N 87.66W
03/14/2019  M0.25 INCH       COOK               IL   TRAINED SPOTTER
1100 AM     TSTM WND DMG     2 NNE PULLMAN           41.73N 87.58W
03/14/2019                   COOK               IL   TRAINED SPOTTER
            MULTIPLE TREE BRANCHES DOWN (3-6 INCH
            DIAMETER) IN CALUMET HEIGHTS NEIGHBORHOOD OF
            CHICAGO.
Lowell, Indiana Tornado:
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			 Tornado - Lowell, IN 
 Track Map  
			
 
 
 
 
 
 
 
 
 
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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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Photos
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| Livingston County storm from Dan Butler | Wall Cloud near Minooka, IL by Eric Pershey | 
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| Funnel near Lowell, IN by Matt Magiera | Hail in Dyer, IN by Brad MacFarlane | Porter County by Dan Butler | Lowering and possible wall cloud near the Malden and Kouts area in Porter County, IN by Kelly Barbour. | 
| Downtown Chicago early in the afternoon. The low clouds are due to a combination of rain-cooled downdrafts and marine layer fog over the cooler lake. There was not an imminent tornado threat in the city, but one can see how it can easily be mistaken as such with "scary looking clouds" such as this. This is where our trained storm spotter reports are valued so much! | 
Radar
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| Small but long-lived supercell that had started in Livingston County and persisted through Cook County. This was a look at it near Minooka. Rotation with this occasionally intensified. | Supercells in northwest Indiana at 1:52 p.m. | Supercells in northwest Indiana at 2:20 p.m. | 
Non-Thunderstorm Winds
Public Information Statement National Weather Service Chicago IL 744 AM CDT Fri Mar 15 2019 ...Peak Non-Thunderstorm Wind Gusts from 3/14/19... The following are peak observed non-thunderstorm wind gusts from the afternoon and evening of 3/14/19. Location Speed Time/Date Valparaiso Airport 62 MPH 0313 PM 03/14 Chicago OHare 60 MPH 0304 PM 03/14 Gary Airport 58 MPH 0645 PM 03/14 Chicago Crib 56 MPH 0340 PM 03/14 West Chicago - DuPage Arpt. 55 MPH 0237 PM 03/14 Sugar Grove - Aurora Arpt. 54 MPH 0403 PM 03/14 Joliet Lock-Dam 52 MPH 0500 PM 03/14 Chicago Midway 52 MPH 0336 PM 03/14 Rockford Airport 52 MPH 0133 PM 03/14 Kankakee Airport 51 MPH 0315 PM 03/14 Rensselaer Airport 51 MPH 0315 PM 03/14 Calumet Harbor 50 MPH 0318 PM 03/14 Pontiac Airport 49 MPH 0155 PM 03/14 Rochelle Airport 49 MPH 0235 PM 03/14 Wheeling-Chicago Exec. Arpt. 48 MPH 0504 PM 03/14 DeKalb Airport 48 MPH 0315 PM 03/14 Romeoville - Lewis Airport 48 MPH 0235 PM 03/14 Waukegan Airport 48 MPH 0456 PM 03/14 Peru Airport 48 MPH 0235 PM 03/14 Morris Airport 47 MPH 0635 PM 03/14 Lansing Airport 46 MPH 0435 PM 03/14 Joliet Airport 45 MPH 0235 PM 03/14 Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$ Kluber
Meteorology & Additional Info
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| Hand analyzed surface map at 7 am CDT on March 14. Keys are 1.) gusting surface winds helping to drive strong warm and moist (instability) advection, high values of moisture for the time of year, and a deep surface cyclone helping to induce backed surface winds (slightly east of south). These backed winds increase low-level helicity. | 
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