Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 199, NWS Indianapolis, IN

August 4, 2012Delaware County, Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 4, 2012, 8:36 PM EDT for Delaware County, Randolph County, Indiana. It was in force for 39 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 4, 2012, 8:36 PM EDT (00:36 UTC)
Expired: Aug 4, 2012, 9:15 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 00:39 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 137 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: 3062 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 842 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 135 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.

779 
WUUS53 KIND 050036
SVRIND
INC035-135-050115-
/O.NEW.KIND.SV.W.0199.120805T0036Z-120805T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
836 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 915 PM EDT

* AT 834 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 WEST OF WINCHESTER...OR 11 MILES EAST OF MUNCIE...AND MOVING
  NORTHEAST AT 40 MPH.

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

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 4002 8522 4008 8521 4008 8526 4018 8530
      4031 8521 4032 8485 4031 8480 4006 8481
TIME...MOT...LOC 0036Z 242DEG 33KT 4017 8516
WIND...HAIL 60MPH 1.00IN

$$

TDUD

3 follow-up statements

048 
WWUS53 KIND 050046
SVSIND

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

INC035-135-050115-
/O.CON.KIND.SV.W.0199.000000T0000Z-120805T0115Z/
DELAWARE-RANDOLPH-
846 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
DELAWARE AND RANDOLPH COUNTIES UNTIL 915 PM EDT...

AT 843 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
WEST OF WINCHESTER...OR 14 MILES SOUTHEAST OF DUNKIRK...MOVING
NORTHEAST AT 40 MPH.

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

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 4002 8522 4008 8521 4008 8526 4018 8530
      4031 8521 4032 8485 4031 8480 4006 8481
TIME...MOT...LOC 0046Z 242DEG 33KT 4021 8505
WIND...HAIL 60MPH 1.00IN

$$

TDUD

048 
WWUS53 KIND 050059
SVSIND

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

INC035-135-050115-
/O.CON.KIND.SV.W.0199.000000T0000Z-120805T0115Z/
DELAWARE-RANDOLPH-
859 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
DELAWARE AND RANDOLPH COUNTIES UNTIL 915 PM EDT...

AT 856 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 WINCHESTER...OR 13 MILES SOUTH OF PORTLAND...MOVING
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  UNION CITY AND SALEM.

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 4002 8522 4008 8521 4008 8526 4018 8530
      4031 8521 4032 8485 4031 8480 4006 8481
TIME...MOT...LOC 0059Z 242DEG 33KT 4026 8491
WIND...HAIL 60MPH 1.00IN

$$

TDUD

855 
WWUS53 KIND 050113
SVSIND

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

INC035-135-050123-
/O.EXP.KIND.SV.W.0199.000000T0000Z-120805T0115Z/
DELAWARE-RANDOLPH-
913 PM EDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DELAWARE AND
RANDOLPH COUNTIES WILL EXPIRE AT 915 PM EDT/815 PM CDT/...

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

LAT...LON 4002 8522 4008 8521 4008 8526 4018 8530
      4031 8521 4032 8485 4031 8480 4006 8481
TIME...MOT...LOC 0113Z 242DEG 33KT 4032 8476

$$

TDUD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 8:13 PM EDT	Areal Flood Advisory	IND	Howard, Madison, Tipton	77 min
Aug 4, 9:21 PM EDT	Areal Flood Advisory	IND	Randolph	99 min
Aug 5, 3:47 AM EDT	Special Weather Statement	IND	Tippecanoe, Warren	58 min
Aug 5, 4:47 AM EDT	Special Weather Statement	IND	Boone, Carroll, Clinton, Howard, Montgomery, Tipton	43 min
Aug 5, 5:14 AM EDT	Special Weather Statement	IND	Boone, Clinton, Hamilton, Hendricks, Marion	61 min
Aug 5, 5:23 AM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hendricks, Madison, Marion	52 min
Aug 5, 5:53 AM EDT	Special Weather Statement	IND	Johnson, Shelby	52 min
Aug 5, 5:56 AM EDT	Special Weather Statement	IND	Hancock	34 min
Aug 5, 6:23 AM EDT	Special Weather Statement	IND	Henry, Rush, Shelby	52 min
Aug 5, 6:32 AM EDT	Severe Thunderstorm Warning	IND	Henry, Rush	28 min
Aug 5, 7:17 AM EDT	Special Weather Statement	IND	Decatur, Jackson, Jennings	43 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.