Alert archive / Indiana / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 96, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 7, 2011, 9:26 PM EDT for Sullivan County, Vigo County, Indiana. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 7, 2011, 9:26 PM EDT (01:26 UTC)
- Expired
- May 7, 2011, 9:46 PM EDT
- In force
- 20 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Sullivan County, IN, Vigo County, IN
The radar
The Evansville,IN radar (KVWX), 107 km from the middle of the area, began a volume at 01:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 3:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 146 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3086 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
657 WUUS53 KIND 080126 SVRIND INC153-167-080200- /O.NEW.KIND.SV.W.0096.110508T0126Z-110508T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 926 PM EDT SAT MAY 7 2011 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN SULLIVAN COUNTY IN SOUTHWEST INDIANA... SOUTH CENTRAL VIGO COUNTY IN WEST CENTRAL INDIANA... * UNTIL 1000 PM EDT/900 PM CDT/ * AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13 MILES SOUTH OF TERRE HAUTE...AND MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... FARMERSBURG AROUND 935 PM EDT... GRAYSVILLE AROUND 940 PM EDT... SHELBURN AROUND 945 PM EDT... TURTLE CREEK RESERVOIR AROUND 950 PM EDT... SULLIVAN AROUND 955 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3933 8735 3912 8729 3900 8753 3919 8762 TIME...MOT...LOC 0126Z 323DEG 17KT 3928 8741 WIND...HAIL 60MPH 1.50IN $$ 77/TDUD
2 follow-up statements
107 WWUS53 KIND 080138 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 938 PM EDT SAT MAY 7 2011 INC153-167-080200- /O.CON.KIND.SV.W.0096.000000T0000Z-110508T0200Z/ SULLIVAN-VIGO- 938 PM EDT SAT MAY 7 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL SULLIVAN AND SOUTH CENTRAL VIGO COUNTIES UNTIL 1000 PM EDT... AT 936 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES NORTH OF SULLIVAN...OR 16 MILES SOUTH OF TERRE HAUTE...MOVING SOUTHEAST AT 20 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... SHELBURN AROUND 945 PM EDT... SULLIVAN AROUND 955 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3925 8748 3933 8735 3912 8729 3906 8741 TIME...MOT...LOC 0138Z 323DEG 17KT 3923 8737 WIND...HAIL 60MPH 1.00IN $$ 77/TDUD
359 WWUS53 KIND 080146 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 946 PM EDT SAT MAY 7 2011 INC153-167-080156- /O.CAN.KIND.SV.W.0096.000000T0000Z-110508T0200Z/ SULLIVAN-VIGO- 946 PM EDT SAT MAY 7 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SULLIVAN AND SOUTH CENTRAL VIGO COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 PM EDT. LAT...LON 3925 8748 3933 8735 3912 8729 3906 8741 TIME...MOT...LOC 0146Z 323DEG 17KT 3920 8734 $$ 77/TDUD
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:15 PM EDT | Severe Thunderstorm Warning | IND | Clay, Parke, Putnam, Vigo | 45 min |
| May 7, 8:23 PM EDT | Tornado Warning | IND | Clay, Sullivan, Vigo | 52 min |
| May 7, 8:33 PM EDT | Areal Flood Advisory | IND | Clay, Fountain, Parke, Vermillion, Vigo | 5 hr |
| May 7, 8:55 PM EDT | Flash Flood Warning | IND | Clay, Greene, Owen, Putnam, Sullivan, Vigo | 6 hr |
| May 7, 9:02 PM EDT | Tornado Warning | IND | Clay, Greene, Sullivan, Vigo | 43 min |
| May 7, 9:10 PM EDT | Tornado Warning | IND | Sullivan, Vigo | 20 min |
| May 7, 9:37 PM EDT | Tornado Warning | IND | Daviess, Greene, Martin | 38 min |
| May 7, 10:12 PM EDT | Tornado Warning | IND | Greene, Lawrence, Martin | 48 min |
| May 7, 10:45 PM EDT | Flash Flood Warning | IND | Daviess, Greene, Knox, Lawrence, Martin | 6 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.