Alert archive / Indiana / Tornado Warnings in 2011
Tornado Warning 82, NWS Indianapolis, IN
NWS Indianapolis, IN issued this tornado warning at Aug 3, 2011, 5:12 AM EDT for Hamilton County, Madison County, Tipton County, Indiana. It was in force for 18 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
- Aug 3, 2011, 5:12 AM EDT (09:12 UTC)
- Expired
- Aug 3, 2011, 5:30 AM EDT
- In force
- 18 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
Counties Hamilton County, IN, Madison County, IN, Tipton County, IN
The radar
The Indianapolis radar (KIND), 69 km from the middle of the area, began a volume at 09:12 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 |
|---|---|---|---|
| Aug 3, 1:48 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.2 hours before the alert went out and 196 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
- 856 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1530 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
619 WFUS53 KIND 030912 TORIND INC057-095-159-030930- /O.NEW.KIND.TO.W.0082.110803T0912Z-110803T0930Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 512 AM EDT WED AUG 3 2011 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN HAMILTON COUNTY IN CENTRAL INDIANA... WEST CENTRAL MADISON COUNTY IN CENTRAL INDIANA... SOUTHEASTERN TIPTON COUNTY IN CENTRAL INDIANA... * UNTIL 530 AM EDT * AT 508 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR ELWOOD...OR 17 MILES NORTHWEST OF ANDERSON...AND MOVING SOUTHEAST AT 25 MPH. * THIS DANGEROUS STORM WILL BE NEAR... FRANKTON AROUND 525 AM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4018 8567 4018 8599 4030 8603 4031 8589 TIME...MOT...LOC 0912Z 312DEG 22KT 4026 8589 $$ PUMA
2 follow-up statements
942 WWUS53 KIND 030920 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 520 AM EDT WED AUG 3 2011 INC057-095-159-030930- /O.CON.KIND.TO.W.0082.000000T0000Z-110803T0930Z/ HAMILTON-MADISON-TIPTON- 520 AM EDT WED AUG 3 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN HAMILTON... WEST CENTRAL MADISON AND SOUTHEASTERN TIPTON COUNTIES UNTIL 530 AM EDT... AT 517 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES SOUTH OF ELWOOD...OR 10 MILES NORTHWEST OF ANDERSON...MOVING SOUTHEAST AT 50 MPH. THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN HAMILTON...SOUTHEASTERN TIPTON AND WEST CENTRAL MADISON COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4018 8567 4018 8599 4030 8603 4031 8589 TIME...MOT...LOC 0920Z 311DEG 43KT 4017 8579 $$ PUMA
602 WWUS53 KIND 030929 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 529 AM EDT WED AUG 3 2011 INC057-095-159-030939- /O.EXP.KIND.TO.W.0082.000000T0000Z-110803T0930Z/ HAMILTON-MADISON-TIPTON- 529 AM EDT WED AUG 3 2011 ...THE TORNADO WARNING FOR NORTHEASTERN HAMILTON...WEST CENTRAL MADISON AND SOUTHEASTERN TIPTON COUNTIES WILL EXPIRE AT 530 AM EDT/430 AM CDT/... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4018 8567 4018 8599 4030 8603 4031 8589 TIME...MOT...LOC 0929Z 311DEG 43KT 4010 8568 $$ PUMA
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 1:09 AM EDT | Special Weather Statement | IND | Carroll | 51 min |
| Aug 3, 1:28 AM EDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Tippecanoe | 62 min |
| Aug 3, 1:52 AM EDT | Severe Thunderstorm Warning | IND | Carroll, Howard, Tipton | 53 min |
| Aug 3, 2:13 AM EDT | Severe Thunderstorm Warning | IND | Boone, Hamilton | 62 min |
| Aug 3, 4:29 AM EDT | Severe Thunderstorm Warning | IND | Howard, Tipton | 46 min |
| Aug 3, 5:31 AM EDT | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Madison, Tipton | 44 min |
| Aug 3, 7:44 AM EDT | Special Weather Statement | IND | Decatur, Jennings | 46 min |
Nearby
Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes 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.