Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 192, NWS Indianapolis, IN

August 4, 2012Hamilton County, Tipton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 4, 2012, 3:06 PM EDT for Hamilton County, Tipton 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, 3:06 PM EDT (19:06 UTC)
Expired: Aug 4, 2012, 3:45 PM EDT
In force: 39 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hamilton County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 65 km from the middle of the area, began a volume at 19:06 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 12:00Z, 7.1 hours before the alert went out and 209 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.

297 
WUUS53 KIND 041906
SVRIND
INC057-159-041945-
/O.NEW.KIND.SV.W.0192.120804T1906Z-120804T1945Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HAMILTON COUNTY IN CENTRAL INDIANA...
  TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 345 PM EDT

* AT 306 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 NOBLESVILLE...OR 22 MILES NORTH OF INDIANAPOLIS...AND
  MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TIPTON...
  MORSE RESERVOIR...
  KEMPTON...
  CICERO...
  ARCADIA...
  ATLANTA...
  WINDFALL...

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4019 8587 3997 8624 4032 8624 4041 8591
      4041 8586
TIME...MOT...LOC 1906Z 231DEG 21KT 4009 8615
WIND...HAIL 60MPH 1.00IN

$$

PUMA

3 follow-up statements

128 
WWUS53 KIND 041920
SVSIND

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

INC057-159-041945-
/O.CON.KIND.SV.W.0192.000000T0000Z-120804T1945Z/
HAMILTON-TIPTON-
320 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
HAMILTON AND TIPTON COUNTIES UNTIL 345 PM EDT...

AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 5 MILES NORTHWEST OF NOBLESVILLE...OR
22 MILES WEST OF ANDERSON...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  TIPTON...MORSE RESERVOIR...KEMPTON...CICERO...ARCADIA...ATLANTA AND
  WINDFALL.

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4019 8587 3997 8624 4032 8624 4041 8591
      4041 8586
TIME...MOT...LOC 1920Z 231DEG 26KT 4012 8608
WIND...HAIL 60MPH <.75IN

$$

PUMA

170 
WWUS53 KIND 041927
SVSIND

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

INC057-159-041945-
/O.CON.KIND.SV.W.0192.000000T0000Z-120804T1945Z/
HAMILTON-TIPTON-
327 PM EDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
HAMILTON AND TIPTON COUNTIES UNTIL 345 PM EDT...

AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 9 MILES SOUTHWEST OF TIPTON...OR 21
MILES SOUTH OF KOKOMO...MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  TIPTON...CICERO...ARCADIA...ATLANTA AND WINDFALL.

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4019 8587 3997 8624 4032 8624 4041 8591
      4041 8586
TIME...MOT...LOC 1927Z 237DEG 20KT 4018 8609
WIND...HAIL 60MPH <.75IN

$$

PUMA

886 
WWUS53 KIND 041943
SVSIND

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

INC057-159-041953-
/O.EXP.KIND.SV.W.0192.000000T0000Z-120804T1945Z/
HAMILTON-TIPTON-
343 PM EDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HAMILTON AND TIPTON
COUNTIES WILL EXPIRE AT 345 PM EDT/245 PM CDT/...

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

LAT...LON 4019 8587 3997 8624 4032 8624 4041 8591
      4041 8586
TIME...MOT...LOC 1943Z 237DEG 20KT 4023 8599

$$

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, 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, 7:51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.