Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 56, NWS Indianapolis, IN

March 23, 20125 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2012, 10:13 PM EDT for 5 counties in Indiana. It was in force for 47 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, 2012, 10:13 PM EDT (02:13 UTC)
Expired
Mar 23, 2012, 11:00 PM EDT
In force
47 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Delaware County, IN, Hancock County, IN, Henry County, IN, Madison County, IN, Rush County, IN

The radar

The Indianapolis radar (KIND), 71 km from the middle of the area, began a volume at 02:15 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

TimeReportWhereRemark
Mar 23, 10:35 PM EDTHAIL 0.25Kennard, INPEA SIZE HAIL COVERED THE GROUND FOR ABOUT 3 MINUTES.

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.

IssuedProductOfficeLasted
Mar 23, 6:25 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.2 hours before the alert went out and 162 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2012-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 672 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2012-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
672 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

311 
WUUS53 KIND 240213
SVRIND
INC035-059-065-095-139-240300-
/O.NEW.KIND.SV.W.0056.120324T0213Z-120324T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1013 PM EDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  EASTERN HANCOCK COUNTY IN CENTRAL INDIANA...
  WESTERN HENRY COUNTY IN EAST CENTRAL INDIANA...
  SOUTHEASTERN MADISON COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN RUSH COUNTY IN CENTRAL INDIANA...

* UNTIL 1100 PM EDT

* AT 1011 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 8 MILES EAST OF GREENFIELD...OR 19 MILES SOUTH OF
  ANDERSON...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WILKINSON...
  SHIRLEY...
  GREENSBORO...
  KENNARD...
  MARKLEVILLE...
  CADIZ...
  SULPHUR SPRINGS...
  MIDDLETOWN...
  MOUNT SUMMIT...
  CHESTERFIELD...
  SPRINGPORT...
  DALEVILLE...
  YORKTOWN...
  SUMMIT LAKE STATE PARK...

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 27 AND 40.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 105 AND 121.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4022 8557 4010 8525 3970 8556 3979 8577
TIME...MOT...LOC 0213Z 207DEG 20KT 3983 8561
WIND...HAIL <50MPH 1.00IN

$$

KOCH
1 follow-up statement
444 
WWUS53 KIND 240240
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1040 PM EDT FRI MAR 23 2012

INC139-240250-
/O.CAN.KIND.SV.W.0056.000000T0000Z-120324T0300Z/
RUSH-
1040 PM EDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RUSH COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3979 8552 3986 8574 4022 8557 4010 8525
TIME...MOT...LOC 0240Z 207DEG 20KT 3995 8556

$$

INC035-059-065-095-240300-
/O.CON.KIND.SV.W.0056.000000T0000Z-120324T0300Z/
DELAWARE-HANCOCK-HENRY-MADISON-
1040 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DELAWARE...NORTHEASTERN HANCOCK...WESTERN HENRY AND SOUTHEASTERN
MADISON COUNTIES UNTIL 1100 PM EDT...

AT 1035 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 11 MILES
WEST OF NEW CASTLE...OR 13 MILES SOUTHEAST OF ANDERSON...MOVING
NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARKLEVILLE...CADIZ...SULPHUR SPRINGS...MIDDLETOWN...MOUNT
  SUMMIT...SPRINGPORT...DALEVILLE...CHESTERFIELD AND YORKTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 3979 8552 3986 8574 4022 8557 4010 8525
TIME...MOT...LOC 0240Z 207DEG 20KT 3995 8556
WIND...HAIL 60MPH 1.00IN

$$

JAS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 8:10 PM EDTSevere Thunderstorm WarningINDBrown, Johnson, Morgan50 min
Mar 23, 8:20 PM EDTSevere Thunderstorm WarningINDBrown, Jackson, Lawrence, Monroe40 min
Mar 23, 8:41 PM EDTSevere Thunderstorm WarningINDJohnson, Shelby34 min
Mar 23, 8:43 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson, Johnson32 min
Mar 23, 9:07 PM EDTAreal Flood AdvisoryINDJohnson3 hr
Mar 23, 9:08 PM EDTSevere Thunderstorm WarningINDDecatur, Jennings52 min
Mar 23, 9:12 PM EDTSevere Thunderstorm WarningINDJohnson, Shelby33 min
Mar 23, 9:26 PM EDTAreal Flood AdvisoryINDShelby8 hr
Mar 23, 9:39 PM EDTSevere Thunderstorm WarningINDHancock, Shelby36 min
Mar 23, 10:05 PM EDTAreal Flood AdvisoryINDHancock4 hr
Mar 23, 10:28 PM EDTAreal Flood AdvisoryINDDecatur, Jennings4 hr
Mar 23, 11:00 PM EDTSevere Thunderstorm WarningINDDelaware, Henry60 min
Mar 24, 12:57 AM EDTAreal Flood AdvisoryINDJohnson4 hr
Mar 24, 2:29 AM EDTAreal Flood AdvisoryINDDecatur, Jennings3 hr
Mar 24, 5:57 PM EDTRiver Flood WarningINDJackson, Lawrence, Washington66 hr
Mar 24, 7:59 PM EDTRiver Flood WarningINDJackson, Lawrence, Washington5 days

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.