Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 190, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 2, 2012, 9:17 PM EDT for Knox County, Indiana. It was in force for 38 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 2, 2012, 9:17 PM EDT (01:17 UTC)
- Expired
- Aug 2, 2012, 9:55 PM EDT
- In force
- 38 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Knox County, IN
The radar
The Evansville,IN radar (KVWX), 40 km from the middle of the area, began a volume at 01:18 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 203 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
- 1143 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
039
WUUS53 KIND 030117
SVRIND
INC083-030215-
/O.NEW.KIND.SV.W.0190.120803T0117Z-120803T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
917 PM EDT THU AUG 2 2012
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KNOX COUNTY IN SOUTHWEST INDIANA...
* UNTIL 1015 PM EDT
* AT 914 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 7 MILES NORTHWEST OF PATOKA...OR
8 MILES NORTHEAST OF MOUNT CARMEL...AND MOVING EAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
VINCENNES...
DECKER...
MONROE CITY...
WHEATLAND...
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 3842 8775 3848 8775 3851 8765 3855 8767
3865 8761 3875 8725 3869 8728 3867 8726
3868 8725 3861 8724 3854 8723 3852 8726
3854 8736 3851 8738 3854 8740 3853 8746
3849 8749 3849 8757 3844 8760
TIME...MOT...LOC 0117Z 252DEG 19KT 3849 8764
WIND...HAIL 60MPH <.75IN
$$
NIELD2 follow-up statements
228
WWUS53 KIND 030146
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
946 PM EDT THU AUG 2 2012
INC083-030215-
/O.CON.KIND.SV.W.0190.000000T0000Z-120803T0215Z/
KNOX-
946 PM EDT THU AUG 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN KNOX
COUNTY UNTIL 1015 PM EDT...
AT 944 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTHEAST OF VINCENNES...
MOVING EAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
MONROE CITY AND WHEATLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3842 8775 3848 8775 3851 8765 3855 8767
3865 8761 3875 8725 3869 8728 3867 8726
3868 8725 3861 8724 3854 8723 3852 8726
3854 8736 3851 8738 3853 8739 3854 8742
3849 8749 3849 8757 3844 8760 3845 8766
TIME...MOT...LOC 0146Z 252DEG 19KT 3863 8741
WIND...HAIL 60MPH <.75IN
$$
NIELD371
WWUS53 KIND 030155
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
955 PM EDT THU AUG 2 2012
INC083-030205-
/O.CAN.KIND.SV.W.0190.000000T0000Z-120803T0215Z/
KNOX-
955 PM EDT THU AUG 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KNOX COUNTY 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 GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.
LAT...LON 3842 8775 3848 8775 3851 8765 3855 8767
3865 8761 3875 8725 3869 8728 3867 8726
3868 8725 3861 8724 3854 8723 3852 8726
3854 8736 3851 8738 3853 8739 3854 8742
3849 8749 3849 8757 3844 8760 3845 8766
TIME...MOT...LOC 0155Z 252DEG 19KT 3864 8735
$$
NIELDThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:05 PM EDT | Special Weather Statement | IND | Knox, Sullivan | 55 min |
| Aug 2, 9:48 PM EDT | Special Weather Statement | IND | Daviess | 57 min |
| Aug 2, 10:38 PM EDT | Areal Flood Advisory | IND | Knox | 3 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.