Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 40, NWS Indianapolis, IN

March 23, 2012Greene County, Knox County, Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2012, 4:14 PM EDT for Greene County, Knox County, Sullivan County, Indiana. It was in force for 31 min. 4 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
Mar 23, 2012, 4:14 PM EDT (20:14 UTC)
Expired
Mar 23, 2012, 4:45 PM EDT
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Greene County, IN, Knox County, IN, Sullivan County, IN

The radar

The Evansville,IN radar (KVWX), 74 km from the middle of the area, began a volume at 20:16 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, 4:29 PM EDTHAIL 11 W Freelandville, IN
Mar 23, 4:31 PM EDTHAIL 1Carlisle, IN
Mar 23, 4:45 PM EDTHAIL 14 Nw Dugger, INHAIL IS COVERING THE GROUND
Mar 23, 4:54 PM EDTHAIL 1Dugger, INRELAYED FROM NWSCHAT

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, 12:44 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 169 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, Lincoln, IL at 12:00Z on 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

758 
WUUS53 KIND 232014
SVRIND
INC055-083-153-232045-
/O.NEW.KIND.SV.W.0040.120323T2014Z-120323T2045Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN GREENE COUNTY IN SOUTHWEST INDIANA...
  NORTH CENTRAL KNOX COUNTY IN SOUTHWEST INDIANA...
  EASTERN SULLIVAN COUNTY IN SOUTHWEST INDIANA...

* UNTIL 445 PM EDT

* AT 412 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
  RUSSELLVILLE...OR 11 MILES NORTH OF VINCENNES...AND MOVING NORTH AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SULLIVAN...
  OAKTOWN...
  FREELANDVILLE...
  CARLISLE...
  PLEASANTVILLE...
  PAXTON...
  DUGGER...
  VICKSBURG...
  SHELBURN...

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 3889 8755 3892 8752 3896 8752 3897 8753
      3901 8749 3920 8744 3912 8714 3873 8730
      3875 8751 3877 8752 3878 8750 3881 8753
      3885 8753 3886 8756
TIME...MOT...LOC 2015Z 184DEG 38KT 3886 8746
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP
2 follow-up statements
683 
WWUS53 KIND 232022
SVSIND

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

INC055-083-153-232045-
/O.CON.KIND.SV.W.0040.000000T0000Z-120323T2045Z/
GREENE-KNOX-SULLIVAN-
422 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
GREENE...NORTH CENTRAL KNOX AND SULLIVAN COUNTIES UNTIL 445 PM EDT...

AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8
MILES EAST OF RUSSELLVILLE...OR 13 MILES NORTHEAST OF VINCENNES...
MOVING NORTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  SULLIVAN...OAKTOWN...FREELANDVILLE...CARLISLE...PLEASANTVILLE...
  PAXTON...DUGGER...VICKSBURG AND SHELBURN.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3889 8755 3892 8752 3896 8752 3897 8753
      3901 8749 3920 8744 3912 8714 3877 8728
      3878 8750 3881 8753 3885 8753 3886 8756
TIME...MOT...LOC 2022Z 199DEG 24KT 3883 8737
WIND...HAIL 60MPH 1.50IN

$$

MRD/JP
289 
WWUS53 KIND 232045 RRA
SVSIND

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

INC055-083-153-232055-
/O.EXP.KIND.SV.W.0040.000000T0000Z-120323T2045Z/
GREENE-KNOX-SULLIVAN-
445 PM EDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GREENE...NORTH 
CENTRAL KNOX AND SULLIVAN COUNTIES HAS BEEN REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 8 PM.

LAT...LON 3889 8755 3892 8752 3896 8752 3897 8753
      3901 8749 3920 8744 3912 8714 3877 8728
      3878 8750 3881 8753 3885 8753 3886 8756
TIME...MOT...LOC 2022Z 199DEG 24KT 3883 8737

$$

MRD/JP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 4:04 PM EDTSpecial Weather StatementINDKnox, Sullivan26 min
Mar 23, 4:10 PM EDTSevere Thunderstorm WarningINDSullivan, Vigo35 min
Mar 23, 4:38 PM EDTSevere Thunderstorm WarningINDDaviess, Knox37 min
Mar 23, 4:43 PM EDTSevere Thunderstorm WarningINDClay, Greene, Owen, Parke, Sullivan, Vermillion and 1 more47 min
Mar 23, 5:12 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Martin33 min
Mar 23, 5:17 PM EDTSevere Thunderstorm WarningINDClay, Owen, Parke, Putnam28 min
Mar 23, 5:24 PM EDTTornado WarningINDDaviess, Greene, Martin21 min
Mar 23, 5:29 PM EDTSevere Thunderstorm WarningINDFountain, Montgomery, Parke46 min
Mar 23, 5:41 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Lawrence, Martin, Monroe, Owen34 min
Mar 23, 5:54 PM EDTTornado WarningINDGreene, Lawrence, Monroe21 min
Mar 23, 6:12 PM EDTTornado WarningINDGreene, Monroe33 min
Mar 23, 6:42 PM EDTTornado WarningINDBrown, Monroe, Morgan33 min
Mar 23, 6:46 PM EDTSevere Thunderstorm WarningINDBoone, Hendricks, Marion44 min
Mar 23, 7:14 PM EDTSpecial Weather StatementINDMorgan61 min
Mar 23, 7:30 PM EDTSpecial Weather StatementINDHendricks45 min
Mar 23, 7:34 PM EDTSevere Thunderstorm WarningINDBrown, Monroe, Morgan41 min
Mar 23, 7:51 PM EDTTornado WarningINDBrown24 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.