Alert archive / Indiana / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 28, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2011, 8:18 PM EDT for Marion County, Indiana. It was in force for 22 min. 1 report 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
- Mar 23, 2011, 8:18 PM EDT (00:18 UTC)
- Expired
- Mar 23, 2011, 8:40 PM EDT
- In force
- 22 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Marion County, IN
The radar
The Indianapolis radar (KIND), 24 km from the middle of the area, began a volume at 00:20 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 |
|---|---|---|---|
| Mar 23, 8:30 PM EDT | HAIL 2 | Beech Grove, IN | NEAR 4TH AND BUFFALO AVE IN BEECH GROVE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 194 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
- 88 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1241 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- -148 m²/s²
- 0-3 km storm-relative helicity
- -83 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
547 WUUS53 KIND 240018 SVRIND INC097-240115- /O.NEW.KIND.SV.W.0028.110324T0018Z-110324T0115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 818 PM EDT WED MAR 23 2011 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MARION COUNTY IN CENTRAL INDIANA... * UNTIL 915 PM EDT * AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR INDIANAPOLIS...AND MOVING EAST AT 55 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LAWRENCE AROUND 825 PM EDT... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 101 AND 106. THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 86 AND 93. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 93 AND 99. 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 A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3988 8596 3964 8596 3964 8612 3988 8610 TIME...MOT...LOC 0019Z 272DEG 50KT 3975 8609 WIND...HAIL <50MPH 1.00IN $$ 77/TDUD
2 follow-up statements
418 WWUS53 KIND 240030 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 830 PM EDT WED MAR 23 2011 INC097-240115- /O.CON.KIND.SV.W.0028.000000T0000Z-110324T0115Z/ MARION- 830 PM EDT WED MAR 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN MARION COUNTY UNTIL 915 PM EDT... AT 830 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. THIS STORM WAS LOCATED NEAR BEECH GROVE...OR 7 MILES EAST OF INDIANAPOLIS...MOVING EAST AT 40 MPH. THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN MARION COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 3988 8596 3964 8596 3964 8612 3988 8610 TIME...MOT...LOC 0030Z 272DEG 35KT 3974 8602 WIND...HAIL <50MPH 1.50IN $$ PUMA
187 WWUS53 KIND 240040 SVSIND SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 840 PM EDT WED MAR 23 2011 INC097-240050- /O.CAN.KIND.SV.W.0028.000000T0000Z-110324T0115Z/ MARION- 840 PM EDT WED MAR 23 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARION COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 3988 8596 3964 8596 3964 8612 3988 8610 TIME...MOT...LOC 0040Z 272DEG 35KT 3973 8589 $$ PUMA
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 8:06 PM EDT | Tornado Warning | IND | Hamilton, Madison | 24 min |
| Mar 23, 8:07 PM EDT | Severe Thunderstorm Warning | IND | Marion | 31 min |
| Mar 23, 8:27 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Henry, Madison, Randolph | 48 min |
| Mar 23, 8:31 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Shelby | 25 min |
| Mar 23, 8:45 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Rush, Shelby | 28 min |
| Mar 23, 8:54 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Rush, Shelby | 26 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.