Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 237, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 7, 2012, 7:40 PM EDT for Clay County, Sullivan County, Vigo County, Indiana. It was in force for 35 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 7, 2012, 7:40 PM EDT (23:40 UTC)
- Expired
- Sep 7, 2012, 8:15 PM EDT
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, IN, Sullivan County, IN, Vigo County, IN
The radar
The Indianapolis radar (KIND), 113 km from the middle of the area, began a volume at 23:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 8:13 PM EDT | TSTM WND GST 46 | Terre Haute, IN | |
| Sep 7, 8:14 PM EDT | TSTM WND GST 55 | 8 Sw Terre Haute, IN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 4:41 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 135 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
- 367 J/kg
- Mixed-layer CIN
- -412 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
016
WUUS53 KIND 072340
SVRIND
INC021-153-167-080015-
/O.NEW.KIND.SV.W.0237.120907T2340Z-120908T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EDT FRI SEP 7 2012
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN CLAY COUNTY IN WEST CENTRAL INDIANA...
NORTHERN SULLIVAN COUNTY IN SOUTHWEST INDIANA...
VIGO COUNTY IN WEST CENTRAL INDIANA...
* UNTIL 815 PM EDT
* AT 736 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 NEAR
CLARKSVILLE...OR 6 MILES WEST OF MARSHALL...AND MOVING EAST AT 30
MPH.
* LOCATIONS IMPACTED INCLUDE...
TERRE HAUTE...
SHEPARDSVILLE...
PRAIRIE CREEK...
WEST TERRE HAUTE...
PRAIRIETON...
FAIRBANKS...
INDIANA STATE UNIVERSITY...
PIMENTO...
FARMERSBURG...
RILEY...
SHELBURN...
HYMERA...
CORY...
SEELYVILLE...
NORTH TERRE HAUTE...
COALMONT...
STAUNTON...
FONTANET...
THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 0 AND 20.
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.
&&
LAT...LON 3916 8765 3922 8758 3924 8758 3926 8761
3930 8761 3931 8762 3935 8757 3935 8756
3936 8754 3961 8753 3960 8712 3918 8722
3917 8724 3912 8724
TIME...MOT...LOC 2341Z 288DEG 26KT 3941 8776
WIND...HAIL 60MPH 1.00IN
$$
TDUD3 follow-up statements
886
WWUS53 KIND 072355 RRA
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
755 PM EDT FRI SEP 7 2012
INC021-153-167-080015-
/O.CON.KIND.SV.W.0237.000000T0000Z-120908T0015Z/
CLAY-SULLIVAN-VIGO-
755 PM EDT FRI SEP 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
CLAY...NORTHERN SULLIVAN AND VIGO COUNTIES UNTIL 815 PM EDT...
AT 750 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
MARSHALL...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
TERRE HAUTE...SHEPARDSVILLE...PRAIRIE CREEK...WEST TERRE HAUTE...
PRAIRIETON...FAIRBANKS...INDIANA STATE UNIVERSITY...PIMENTO...
FARMERSBURG...RILEY...SHELBURN...HYMERA...CORY...SEELYVILLE...NORTH
TERRE HAUTE...COALMONT...STAUNTON AND FONTANET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3916 8765 3922 8758 3924 8758 3926 8761
3930 8761 3931 8762 3935 8757 3935 8756
3936 8754 3961 8753 3960 8712 3918 8722
3917 8724 3912 8724
TIME...MOT...LOC 2355Z 288DEG 26KT 3938 8764
WIND...HAIL 60MPH 1.00IN
$$
TDUD504
WWUS53 KIND 080007
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
807 PM EDT FRI SEP 7 2012
INC021-153-167-080015-
/O.CON.KIND.SV.W.0237.000000T0000Z-120908T0015Z/
CLAY-SULLIVAN-VIGO-
807 PM EDT FRI SEP 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
CLAY...NORTHERN SULLIVAN AND VIGO COUNTIES UNTIL 815 PM EDT...
AT 804 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 7 MILES
EAST OF MARSHALL...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
TERRE HAUTE...SHEPARDSVILLE...PRAIRIE CREEK...WEST TERRE HAUTE...
PRAIRIETON...FAIRBANKS...INDIANA STATE UNIVERSITY...PIMENTO...
FARMERSBURG...RILEY...SHELBURN...HYMERA...CORY...SEELYVILLE...NORTH
TERRE HAUTE...COALMONT...STAUNTON AND FONTANET.
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.
&&
LAT...LON 3916 8765 3922 8758 3924 8758 3926 8761
3930 8761 3931 8762 3935 8757 3935 8756
3936 8754 3961 8753 3960 8712 3918 8722
3917 8724 3912 8724
TIME...MOT...LOC 0007Z 288DEG 26KT 3935 8753
WIND...HAIL 60MPH 1.00IN
$$
TDUD106
WWUS53 KIND 080016
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
816 PM EDT FRI SEP 7 2012
INC021-153-167-080026-
/O.EXP.KIND.SV.W.0237.000000T0000Z-120908T0015Z/
CLAY-SULLIVAN-VIGO-
816 PM EDT FRI SEP 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CLAY...NORTHERN
SULLIVAN AND VIGO COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED
AREA.
LAT...LON 3916 8765 3922 8758 3924 8758 3926 8761
3930 8761 3931 8762 3935 8757 3935 8756
3936 8754 3961 8753 3960 8712 3918 8722
3917 8724 3912 8724
TIME...MOT...LOC 0007Z 288DEG 26KT 3935 8753
$$
TDUDThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 11:42 AM EDT | Special Weather Statement | IND | Howard | 48 min |
| Sep 7, 12:06 PM EDT | Special Weather Statement | IND | Tipton | 39 min |
| Sep 7, 12:22 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Howard, Madison, Tipton | 38 min |
| Sep 7, 12:52 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Henry, Madison | 53 min |
| Sep 7, 1:12 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Henry, Madison, Randolph | 48 min |
| Sep 7, 1:38 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Madison | 52 min |
| Sep 7, 3:49 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Parke, Vermillion | 41 min |
| Sep 7, 4:48 PM EDT | Severe Thunderstorm Warning | IND | Parke, Putnam | 24 min |
| Sep 7, 7:18 PM EDT | Tornado Warning | IND | Boone, Clinton, Montgomery, Tippecanoe | 42 min |
| Sep 7, 7:59 PM EDT | Tornado Warning | IND | Hendricks, Montgomery, Putnam | 46 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.