Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 17, NWS Indianapolis, IN

March 23, 2011Jackson County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2011, 2:41 PM EDT for Jackson County, Indiana. It was in force for 11 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: Mar 23, 2011, 2:41 PM EDT (18:41 UTC)
Expired: Mar 23, 2011, 2:52 PM EDT
In force: 11 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Jackson County, IN

The radar

The Louisville radar (KLVX), 89 km from the middle of the area, began a volume at 18:42 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.

Issued	Product	Office	Lasted
Mar 23, 1:13 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1527 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 327 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.

656 
WUUS53 KIND 231841
SVRIND
INC071-231900-
/O.NEW.KIND.SV.W.0017.110323T1841Z-110323T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
241 PM EDT WED MAR 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 300 PM EDT

* AT 238 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 9 MILES
  NORTHWEST OF SCOTTSBURG...OR 12 MILES SOUTH OF SEYMOUR...AND MOVING
  EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
  SOUTHEASTERN JACKSON COUNTY.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 37 AND 39.

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.

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 3875 8592 3874 8593 3875 8595 3883 8596
      3883 8580 3881 8580 3878 8583 3877 8584
      3874 8585 3874 8592
TIME...MOT...LOC 1841Z 263DEG 37KT 3878 8585
WIND...HAIL 60MPH 1.00IN

$$

JK

1 follow-up statement

654 
WWUS53 KIND 231852
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
252 PM EDT WED MAR 23 2011

INC071-231902-
/O.CAN.KIND.SV.W.0017.000000T0000Z-110323T1900Z/
JACKSON-
252 PM EDT WED MAR 23 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JACKSON COUNTY IS
CANCELLED...

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

LAT...LON 3875 8592 3874 8593 3875 8595 3883 8596
      3883 8580 3881 8580 3878 8583 3877 8584
      3874 8585 3874 8592
TIME...MOT...LOC 1852Z 263DEG 37KT 3879 8571

$$
JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 12:58 PM EDT	Special Weather Statement	IND	Daviess	32 min
Mar 23, 1:05 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Lawrence, Martin	40 min
Mar 23, 1:20 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Johnson, Rush, Shelby	40 min
Mar 23, 1:27 PM EDT	Severe Thunderstorm Warning	IND	Rush, Shelby	33 min
Mar 23, 1:27 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Martin	48 min
Mar 23, 1:48 PM EDT	Severe Thunderstorm Warning	IND	Lawrence	42 min
Mar 23, 1:48 PM EDT	Tornado Warning	IND	Decatur, Rush, Shelby	42 min
Mar 23, 2:03 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	42 min
Mar 23, 2:10 PM EDT	Tornado Warning	IND	Jackson	35 min
Mar 23, 2:16 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	22 min
Mar 23, 2:25 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	35 min
Mar 23, 2:28 PM EDT	Severe Thunderstorm Warning	IND	Jennings	23 min
Mar 23, 6:20 PM EDT	Special Weather Statement	IND	Tipton	40 min
Mar 23, 6:27 PM EDT	Special Weather Statement	IND	Hamilton	48 min
Mar 23, 6:35 PM EDT	Special Weather Statement	IND	Delaware	40 min
Mar 23, 6:39 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	51 min
Mar 23, 6:42 PM EDT	Special Weather Statement	IND	Fountain	48 min
Mar 23, 6:45 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Vermillion	45 min
Mar 23, 6:52 PM EDT	Severe Thunderstorm Warning	IND	Madison	25 min
Mar 23, 7:01 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	34 min
Mar 23, 7:08 PM EDT	Severe Thunderstorm Warning	IND	Delaware	32 min
Mar 23, 7:12 PM EDT	Tornado Warning	IND	Montgomery	33 min
Mar 23, 7:21 PM EDT	Special Weather Statement	IND	Parke	39 min
Mar 23, 7:25 PM EDT	Tornado Warning	IND	Montgomery	21 min
Mar 23, 7:29 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton	40 min
Mar 23, 7:36 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Putnam	30 min
Mar 23, 7:41 PM EDT	Special Weather Statement	IND	Randolph	49 min
Mar 23, 7:53 PM EDT	Severe Thunderstorm Warning	IND	Hendricks	23 min
Mar 23, 7:56 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	49 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2011 Every 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.