Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 197, NWS Indianapolis, IN

August 4, 2012Delaware County, Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 4, 2012, 7:51 PM EDT for Delaware County, Randolph County, Indiana. It was in force for 39 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: Aug 4, 2012, 7:51 PM EDT (23:51 UTC)
Expired: Aug 4, 2012, 8:30 PM EDT
In force: 39 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Delaware County, IN, Randolph County, IN

The radar

The Indianapolis radar (KIND), 112 km from the middle of the area, began a volume at 23:54 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, 8:00 PM EDT	HAIL 1	Parker City, IN	ESTIMATED SIZE OF NICKLE TO QUARTER
Aug 4, 8:02 PM EDT	TSTM WND GST 60	Parker City, IN
Aug 4, 8:02 PM EDT	HAIL 0.25	Parker City, IN
Aug 4, 8:02 PM EDT	HAIL 0.5	Parker City, IN

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, 11.9 hours before the alert went out and 139 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.

133 
WUUS53 KIND 042351
SVRIND
INC035-135-050030-
/O.NEW.KIND.SV.W.0197.120804T2351Z-120805T0030Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  RANDOLPH COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 830 PM EDT

* AT 749 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 8 MILES
  SOUTHEAST OF MUNCIE...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...
  SELMA...
  PARKER CITY...
  FARMLAND...
  RIDGEVILLE...
  SARATOGA...
  SALEM...
  UNION CITY...

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 4004 8521 4008 8521 4008 8527 4020 8542
      4031 8518 4032 8485 4031 8480 4015 8481
TIME...MOT...LOC 2351Z 234DEG 24KT 4014 8525
WIND...HAIL 60MPH 1.00IN

$$

TDUD

3 follow-up statements

070 
WWUS53 KIND 050002
SVSIND

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

INC035-135-050030-
/O.CON.KIND.SV.W.0197.000000T0000Z-120805T0030Z/
DELAWARE-RANDOLPH-
802 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
DELAWARE AND RANDOLPH COUNTIES UNTIL 830 PM EDT...

AT 759 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 11 MILES
EAST OF MUNCIE...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...FARMLAND...RIDGEVILLE...SARATOGA...SALEM AND UNION
  CITY.

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 4004 8521 4008 8521 4008 8527 4020 8542
      4031 8518 4032 8485 4031 8480 4015 8481
TIME...MOT...LOC 0002Z 234DEG 24KT 4018 8517
WIND...HAIL 60MPH 1.00IN

$$

TDUD

995 
WWUS53 KIND 050016
SVSIND

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

INC035-135-050030-
/O.CON.KIND.SV.W.0197.000000T0000Z-120805T0030Z/
DELAWARE-RANDOLPH-
816 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
DELAWARE AND RANDOLPH COUNTIES UNTIL 830 PM EDT...

AT 812 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
NORTHWEST OF WINCHESTER...OR 12 MILES SOUTHEAST OF DUNKIRK...MOVING
NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...RIDGEVILLE...SARATOGA...SALEM AND UNION CITY.

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 4004 8521 4008 8521 4008 8527 4020 8542
      4031 8518 4032 8485 4031 8480 4015 8481
TIME...MOT...LOC 0016Z 234DEG 24KT 4023 8507
WIND...HAIL 60MPH 1.00IN

$$

TDUD

577 
WWUS53 KIND 050031
SVSIND

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

INC035-135-050041-
/O.EXP.KIND.SV.W.0197.000000T0000Z-120805T0030Z/
DELAWARE-RANDOLPH-
831 PM EDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DELAWARE AND
RANDOLPH COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4004 8521 4008 8521 4008 8527 4020 8542
      4031 8518 4032 8485 4031 8480 4015 8481
TIME...MOT...LOC 0016Z 234DEG 24KT 4023 8507

$$

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, 7:43 PM EDT	Severe Thunderstorm Warning	IND	Howard, Madison, Tipton	32 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.