Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 196, NWS Indianapolis, IN

August 4, 2012Howard County, Madison County, Tipton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 4, 2012, 7:43 PM EDT for Howard County, Madison County, Tipton County, Indiana. It was in force for 32 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: Aug 4, 2012, 7:43 PM EDT (23:43 UTC)
Expired: Aug 4, 2012, 8:15 PM EDT
In force: 32 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Howard County, IN, Madison County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 83 km from the middle of the area, began a volume at 23:45 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.

What was reported inside it

Time	Report	Where	Remark
Aug 4, 7:50 PM EDT	TSTM WND DMG	4 W Tipton, IN	2 OUTBUILDINGS DAMAGED... ONE DESTROYED. MODERATE DAMAGE TO A HOME.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 217 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: 1883 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 495 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 82 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.

499 
WUUS53 KIND 042343
SVRIND
INC067-095-159-050030-
/O.NEW.KIND.SV.W.0196.120804T2343Z-120805T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
743 PM EDT SAT AUG 4 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HOWARD COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN MADISON COUNTY IN CENTRAL INDIANA...
  TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 830 PM EDT

* AT 740 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 7 MILES
  WEST OF TIPTON...OR 12 MILES SOUTH OF KOKOMO...AND MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TIPTON...
  SHARPSVILLE...
  INDIAN HEIGHTS...
  WINDFALL...
  GREENTOWN...

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 4057 8587 4056 8586 4038 8586 4038 8571
      4021 8604 4022 8624 4037 8624 4038 8626
      4057 8600
TIME...MOT...LOC 2343Z 234DEG 32KT 4032 8614
WIND...HAIL 60MPH 1.00IN

$$

TDUD

3 follow-up statements

864 
WWUS53 KIND 042359
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
759 PM EDT SAT AUG 4 2012

INC067-095-159-050030-
/O.CON.KIND.SV.W.0196.000000T0000Z-120805T0030Z/
HOWARD-MADISON-TIPTON-
759 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
HOWARD...NORTHWESTERN MADISON AND TIPTON COUNTIES UNTIL 830 PM EDT...

AT 754 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
NORTH OF TIPTON...OR 9 MILES SOUTHEAST OF KOKOMO...MOVING NORTHEAST
AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENTOWN.

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 4057 8587 4056 8586 4038 8586 4038 8571
      4021 8604 4022 8624 4037 8624 4038 8626
      4057 8600
TIME...MOT...LOC 2359Z 234DEG 32KT 4040 8599
WIND...HAIL 60MPH 1.00IN

$$

TDUD

089 
WWUS53 KIND 050006
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
806 PM EDT SAT AUG 4 2012

INC067-095-159-050030-
/O.CON.KIND.SV.W.0196.000000T0000Z-120805T0030Z/
HOWARD-MADISON-TIPTON-
806 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
HOWARD...NORTHWESTERN MADISON AND EASTERN TIPTON COUNTIES UNTIL 830
PM EDT...

AT 803 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
SOUTHWEST OF SWAYZEE...OR 10 MILES EAST OF KOKOMO...MOVING NORTHEAST
AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN HOWARD AND NORTHWESTERN MADISON
  COUNTIES.

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 4026 8598 4030 8609 4038 8610 4044 8608
      4057 8600 4057 8587 4056 8586 4038 8586
      4038 8571
TIME...MOT...LOC 0006Z 234DEG 32KT 4044 8592
WIND...HAIL 60MPH 1.00IN

$$

TDUD

657 
WWUS53 KIND 050015
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
815 PM EDT SAT AUG 4 2012

INC067-095-159-050025-
/O.CAN.KIND.SV.W.0196.000000T0000Z-120805T0030Z/
HOWARD-MADISON-TIPTON-
815 PM EDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HOWARD...NORTHWESTERN
MADISON AND EASTERN TIPTON COUNTIES IS CANCELLED...

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

LAT...LON 4026 8598 4030 8609 4038 8610 4044 8608
      4057 8600 4057 8587 4056 8586 4038 8586
      4038 8571
TIME...MOT...LOC 0015Z 234DEG 32KT 4049 8583

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 2:28 PM EDT	Special Weather Statement	IND	Marion	47 min
Aug 4, 2:37 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Marion	38 min
Aug 4, 3:06 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Tipton	39 min
Aug 4, 4:40 PM EDT	Special Weather Statement	IND	Carroll	50 min
Aug 4, 5:25 PM EDT	Special Weather Statement	IND	Decatur	35 min
Aug 4, 7:03 PM EDT	Special Weather Statement	IND	Tipton	27 min
Aug 4, 7:09 PM EDT	Severe Thunderstorm Warning	IND	Howard, Madison, Tipton	36 min
Aug 4, 7:19 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Henry, Madison	41 min
Aug 4, 7:35 PM EDT	Severe Thunderstorm Warning	IND	Hancock	29 min
Aug 4, 7:51 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	39 min
Aug 4, 7:58 PM EDT	Severe Thunderstorm Warning	IND	Henry	35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.