Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 110, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 4, 2012, 7:26 PM EDT for Boone County, Clinton County, Indiana. It was in force for 34 min. 3 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
- May 4, 2012, 7:26 PM EDT (23:26 UTC)
- Expired
- May 4, 2012, 8:00 PM EDT
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Boone County, IN, Clinton County, IN
The radar
The Indianapolis radar (KIND), 54 km from the middle of the area, began a volume at 23:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 7:28 PM EDT | HAIL 0.5 | Thorntown, IN | |
| May 4, 7:39 PM EDT | TSTM WND DMG | 1 Nw Thorntown, IN | MANY TREE LIMBS DOWN. SIGNIFICANT DAMGE TO AWNINGS. |
| May 4, 7:39 PM EDT | HAIL 0.5 | 1 Nw Thorntown, IN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.4 hours before the alert went out and 178 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
- 1160 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
291 WUUS53 KIND 042326 SVRIND INC011-023-050000- /O.NEW.KIND.SV.W.0110.120504T2326Z-120505T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 726 PM EDT FRI MAY 4 2012 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BOONE COUNTY IN CENTRAL INDIANA... SOUTHWESTERN CLINTON COUNTY IN CENTRAL INDIANA... * UNTIL 800 PM EDT * AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 9 MILES NORTHWEST OF LEBANON...OR 11 MILES SOUTHWEST OF FRANKFORT...AND MOVING EAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF EXTREME SOUTHERN CLINTON AND NORTHERN BOONE COUNTIES. THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 142 AND 153. 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 4023 8640 4009 8634 4003 8669 4021 8670 TIME...MOT...LOC 2326Z 252DEG 7KT 4014 8660 WIND...HAIL <50MPH 1.00IN $$ 50
2 follow-up statements
104 WWUS53 KIND 042339 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 739 PM EDT FRI MAY 4 2012 INC011-023-050000- /O.CON.KIND.SV.W.0110.000000T0000Z-120505T0000Z/ BOONE-CLINTON- 739 PM EDT FRI MAY 4 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CLINTON AND NORTHERN BOONE COUNTIES UNTIL 800 PM EDT... AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 8 MILES NORTHWEST OF LEBANON...OR 10 MILES SOUTH OF FRANKFORT...MOVING EAST AT 10 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF EXTREME SOUTHERN CLINTON AND NORTHERN BOONE COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4005 8666 4021 8667 4023 8640 4009 8634 TIME...MOT...LOC 2339Z 252DEG 7KT 4015 8657 WIND...HAIL <50MPH 1.00IN $$ 50
083 WWUS53 KIND 042356 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 756 PM EDT FRI MAY 4 2012 INC011-023-050006- /O.EXP.KIND.SV.W.0110.000000T0000Z-120505T0000Z/ BOONE-CLINTON- 756 PM EDT FRI MAY 4 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CLINTON AND NORTHERN BOONE COUNTIES WILL EXPIRE AT 800 PM EDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4005 8666 4021 8667 4023 8640 4009 8634 TIME...MOT...LOC 2356Z 252DEG 7KT 4016 8653 $$ 50
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 2:23 PM EDT | Severe Thunderstorm Warning | IND | Knox | 37 min |
| May 4, 3:00 PM EDT | Special Weather Statement | IND | Daviess | 45 min |
| May 4, 3:31 PM EDT | Special Weather Statement | IND | Martin | 29 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.