Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 44, NWS Indianapolis, IN

March 23, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 23, 2012, 5:17 PM EDT for 4 counties in Indiana. It was in force for 28 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, 2012, 5:17 PM EDT (21:17 UTC)
Expired: Mar 23, 2012, 5:45 PM EDT
In force: 28 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, IN, Owen County, IN, Parke County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 70 km from the middle of the area, began a volume at 21:17 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, 12:44 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 23, 4:39 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 151 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: 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.

144 
WUUS53 KIND 232117
SVRIND
INC021-119-121-133-232145-
/O.NEW.KIND.SV.W.0044.120323T2117Z-120323T2145Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAY COUNTY IN WEST CENTRAL INDIANA...
  NORTHWESTERN OWEN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHEASTERN PARKE COUNTY IN WEST CENTRAL INDIANA...
  SOUTHWESTERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 545 PM EDT

* AT 512 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 16
  MILES SOUTH OF BRAZIL...OR 18 MILES SOUTHEAST OF TERRE HAUTE...AND
  MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRAZIL...
  SALINE CITY...
  BOWLING GREEN...
  CENTER POINT...
  STAUNTON...
  KNIGHTSVILLE...
  HARMONY...
  CAGLES MILL LAKE...
  CARBON...
  REELSVILLE...
  LENA...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 19 AND 41.

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 3969 8712 3969 8689 3956 8678 3923 8703
      3927 8715 3937 8724
TIME...MOT...LOC 2117Z 206DEG 34KT 3934 8710
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP

1 follow-up statement

021 
WWUS53 KIND 232133
SVSIND

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

INC021-119-121-133-232145-
/O.CON.KIND.SV.W.0044.000000T0000Z-120323T2145Z/
CLAY-OWEN-PARKE-PUTNAM-
533 PM EDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
CLAY...NORTHWESTERN OWEN...SOUTHEASTERN PARKE AND SOUTHWESTERN PUTNAM
COUNTIES UNTIL 545 PM EDT...

AT 529 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 6 MILES
SOUTHEAST OF BRAZIL...OR 18 MILES EAST OF TERRE HAUTE...MOVING
NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  REELSVILLE...CARBON AND LENA.

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 3930 8699 3933 8711 3946 8720 3969 8712
      3969 8689 3956 8678
TIME...MOT...LOC 2133Z 203DEG 40KT 3951 8701
WIND...HAIL 60MPH 1.00IN

$$

MRD/JP

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 4:04 PM EDT	Special Weather Statement	IND	Knox, Sullivan	26 min
Mar 23, 4:10 PM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	35 min
Mar 23, 4:14 PM EDT	Severe Thunderstorm Warning	IND	Greene, Knox, Sullivan	31 min
Mar 23, 4:38 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	37 min
Mar 23, 4:43 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Parke, Sullivan, Vermillion and 1 more	47 min
Mar 23, 5:12 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Martin	33 min
Mar 23, 5:24 PM EDT	Tornado Warning	IND	Daviess, Greene, Martin	21 min
Mar 23, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke	46 min
Mar 23, 5:41 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Lawrence, Martin, Monroe, Owen	34 min
Mar 23, 5:54 PM EDT	Tornado Warning	IND	Greene, Lawrence, Monroe	21 min
Mar 23, 6:12 PM EDT	Tornado Warning	IND	Greene, Monroe	33 min
Mar 23, 6:42 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	33 min
Mar 23, 6:46 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Marion	44 min
Mar 23, 7:14 PM EDT	Special Weather Statement	IND	Morgan	61 min
Mar 23, 7:30 PM EDT	Special Weather Statement	IND	Hendricks	45 min
Mar 23, 7:34 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan	41 min
Mar 23, 7:51 PM EDT	Tornado Warning	IND	Brown	24 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.