Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 296, NWS Indianapolis, IN

August 13, 2011Greene County, Monroe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 13, 2011, 10:45 PM EDT for Greene County, Monroe County, Indiana. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 13, 2011, 10:45 PM EDT (02:45 UTC)
Expired
Aug 13, 2011, 11:15 PM EDT
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Greene County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 91 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 13, 5:57 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2011-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.1000850700500300200100-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.1939Sfc1 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
6645 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
-22 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.

275 
WUUS53 KIND 140245
SVRIND
INC055-105-140315-
/O.NEW.KIND.SV.W.0296.110814T0245Z-110814T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1045 PM EDT SAT AUG 13 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL GREENE COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 1115 PM EDT

* AT 1042 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 5 MILES NORTHWEST OF BLOOMFIELD...OR 28 MILES
  WEST OF BLOOMINGTON...AND MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BLOOMFIELD AROUND 1050 PM EDT...
  SOLSBERRY AROUND 1110 PM EDT...

SPOTTER REPORTED 1 INCH HAIL IN SWITZ CITY AT 1144 PM.

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 3897 8713 3915 8711 3913 8657 3899 8666
      3899 8668 3896 8668 3892 8670
TIME...MOT...LOC 0244Z 276DEG 26KT 3906 8700
WIND...HAIL <50MPH 1.00IN

$$

PUMA
1 follow-up statement
460 
WWUS53 KIND 140257
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1057 PM EDT SAT AUG 13 2011

INC055-105-140315-
/O.CON.KIND.SV.W.0296.000000T0000Z-110814T0315Z/
GREENE-MONROE-
1057 PM EDT SAT AUG 13 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN GREENE
AND SOUTHWESTERN MONROE COUNTIES UNTIL 1115 PM EDT...

AT 1054 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR BLOOMFIELD...OR 22 MILES WEST OF
BLOOMINGTON...MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  SOLSBERRY AROUND 1110 PM EDT...

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 3898 8704 3913 8697 3913 8657 3899 8666
      3899 8668 3896 8668 3892 8670
TIME...MOT...LOC 0257Z 278DEG 24KT 3905 8687
WIND...HAIL <50MPH 1.00IN

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:21 PM EDTSpecial Weather StatementINDBoone, Hendricks, Putnam39 min
Aug 13, 8:39 PM EDTSevere Thunderstorm WarningINDBoone, Hamilton, Hendricks, Marion, Morgan, Putnam66 min
Aug 13, 9:04 PM EDTSevere Thunderstorm WarningINDDelaware, Henry, Madison56 min
Aug 13, 10:31 PM EDTSpecial Weather StatementINDMonroe44 min
Aug 13, 10:38 PM EDTSevere Thunderstorm WarningINDBrown, Monroe, Owen52 min
Aug 13, 11:12 PM EDTSevere Thunderstorm WarningINDBrown, Greene, Lawrence, Monroe33 min
Aug 13, 11:48 PM EDTSpecial Weather StatementINDJackson, Lawrence42 min
Aug 14, 12:26 AM EDTSpecial Weather StatementINDJennings49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.