Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 37, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 17, 2012, 10:43 PM EDT for Boone County, Hendricks County, Marion County, Indiana. It was in force for 32 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 17, 2012, 10:43 PM EDT (02:43 UTC)
- Expired
- Mar 17, 2012, 11:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Boone County, IN, Hendricks County, IN, Marion County, IN
The radar
The Indianapolis radar (KIND), 21 km from the middle of the area, began a volume at 02:45 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 17, 10:43 PM EDT | HAIL 0.7 | Avon, 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 00:00Z, 2.7 hours before the alert went out and 198 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
- 1443 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
335
WUUS53 KIND 180243
SVRIND
INC011-063-097-180315-
/O.NEW.KIND.SV.W.0037.120318T0243Z-120318T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1043 PM EDT SAT MAR 17 2012
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BOONE COUNTY IN CENTRAL INDIANA...
EASTERN HENDRICKS COUNTY IN CENTRAL INDIANA...
NORTHWESTERN MARION COUNTY IN CENTRAL INDIANA...
* UNTIL 1115 PM EDT
* AT 1040 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR BROWNSBURG...OR 14 MILES WEST OF
INDIANAPOLIS...AND MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
BROWNSBURG...
ZIONSVILLE...
CLERMONT...
EAGLE CREEK RESERVOIR...
WHITESTOWN...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 120 AND 133.
THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 63 AND 73.
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 4000 8625 3997 8624 3993 8624 3993 8621
3988 8618 3963 8642 3971 8654 4000 8638
TIME...MOT...LOC 0243Z 216DEG 25KT 3979 8639
WIND...HAIL <50MPH 1.00IN
$$
NIELD2 follow-up statements
348
WWUS53 KIND 180255
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1055 PM EDT SAT MAR 17 2012
INC011-063-097-180315-
/O.CON.KIND.SV.W.0037.000000T0000Z-120318T0315Z/
BOONE-HENDRICKS-MARION-
1055 PM EDT SAT MAR 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BOONE...NORTHEASTERN HENDRICKS AND NORTHWESTERN MARION COUNTIES UNTIL
1115 PM EDT...
AT 1054 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
BROWNSBURG...OR 11 MILES NORTHWEST OF INDIANAPOLIS...MOVING NORTHEAST
AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
ZIONSVILLE...EAGLE CREEK RESERVOIR AND WHITESTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4000 8625 3997 8624 3993 8624 3993 8621
3988 8618 3972 8633 3982 8647 4000 8638
TIME...MOT...LOC 0256Z 216DEG 25KT 3985 8632
WIND...HAIL 60MPH 1.00IN
$$
NIELD112
WWUS53 KIND 180313
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1113 PM EDT SAT MAR 17 2012
INC011-063-097-180323-
/O.EXP.KIND.SV.W.0037.000000T0000Z-120318T0315Z/
BOONE-HENDRICKS-MARION-
1113 PM EDT SAT MAR 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOONE...
NORTHEASTERN HENDRICKS AND NORTHWESTERN MARION COUNTIES WILL EXPIRE
AT 1115 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 SMALL HAIL AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.
LAT...LON 4000 8625 3997 8624 3993 8624 3993 8621
3988 8618 3972 8633 3982 8647 4000 8638
TIME...MOT...LOC 0313Z 216DEG 25KT 3995 8623
$$
NIELDThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:03 PM EDT | Special Weather Statement | IND | Jackson | 57 min |
| Mar 17, 9:00 PM EDT | Special Weather Statement | IND | Bartholomew | 45 min |
| Mar 17, 9:43 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Shelby | 32 min |
| Mar 17, 10:48 PM EDT | Severe Thunderstorm Warning | IND | Marion | 27 min |
| Mar 17, 11:17 PM EDT | Special Weather Statement | IND | Hamilton, Marion | 58 min |
| Mar 17, 11:34 PM EDT | Special Weather Statement | IND | Hendricks | 41 min |
| Mar 18, 9:55 AM EDT | Special Weather Statement | IND | Fountain | 50 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.