Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 174, NWS Indianapolis, IN

July 27, 2012Hancock County, Rush County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 2012, 4:36 PM EDT for Hancock County, Rush County, Shelby County, Indiana. It was in force for 24 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: Jul 27, 2012, 4:36 PM EDT (20:36 UTC)
Expired: Jul 27, 2012, 5:00 PM EDT
In force: 24 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Hancock County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 60 km from the middle of the area, began a volume at 20:37 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
Jul 27, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.6 hours before the alert went out and 155 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: 863 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

056 
WUUS53 KIND 272036
SVRIND
INC059-139-145-272100-
/O.NEW.KIND.SV.W.0174.120727T2036Z-120727T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
436 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL HANCOCK COUNTY IN CENTRAL INDIANA...
  NORTHERN RUSH COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN SHELBY COUNTY IN CENTRAL INDIANA...

* UNTIL 500 PM EDT

* AT 433 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 SOUTH OF GREENFIELD...OR
  10 MILES NORTH OF SHELBYVILLE...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RUSHVILLE...
  MORRISTOWN...
  ARLINGTON...
  CARTHAGE...
  MAYS...
  GLENWOOD...

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 3958 8584 3976 8584 3979 8535 3978 8530
      3959 8530
TIME...MOT...LOC 2036Z 265DEG 31KT 3967 8576
WIND...HAIL 60MPH <.75IN

$$

HOMANN/SMF

2 follow-up statements

162 
WWUS53 KIND 272047
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
447 PM EDT FRI JUL 27 2012

INC059-139-145-272100-
/O.CON.KIND.SV.W.0174.000000T0000Z-120727T2100Z/
HANCOCK-RUSH-SHELBY-
447 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
HANCOCK...NORTHERN RUSH AND NORTHEASTERN SHELBY COUNTIES UNTIL 500 PM
EDT...

AT 442 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 10 MILES SOUTHEAST OF GREENFIELD...OR
12 MILES NORTHEAST OF SHELBYVILLE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  RUSHVILLE...ARLINGTON...CARTHAGE...MAYS AND GLENWOOD.

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 3959 8530 3958 8575 3976 8576 3979 8536
      3978 8530
TIME...MOT...LOC 2047Z 265DEG 32KT 3967 8561
WIND...HAIL 60MPH <.75IN

$$

HOMANN/SMF

726 
WWUS53 KIND 272055
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
455 PM EDT FRI JUL 27 2012

INC059-139-145-272105-
/O.EXP.KIND.SV.W.0174.000000T0000Z-120727T2100Z/
HANCOCK-RUSH-SHELBY-
455 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HANCOCK...
NORTHERN RUSH AND NORTHEASTERN SHELBY COUNTIES WILL EXPIRE AT 500 PM 
EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM.

LAT...LON 3959 8530 3958 8575 3976 8576 3979 8536
      3978 8530
TIME...MOT...LOC 2055Z 265DEG 32KT 3967 8552

$$

HOMANN/SMF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 1:15 PM EDT	Special Weather Statement	IND	Putnam	30 min
Jul 27, 2:16 PM EDT	Special Weather Statement	IND	Marion	29 min
Jul 27, 2:22 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison, Marion	23 min
Jul 27, 2:45 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hancock, Henry, Madison	30 min
Jul 27, 2:49 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam, Vigo	26 min
Jul 27, 3:13 PM EDT	Severe Thunderstorm Warning	IND	Clay, Hendricks, Morgan, Parke, Putnam	47 min
Jul 27, 3:40 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hendricks, Johnson, Marion, Morgan	50 min
Jul 27, 3:42 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	35 min
Jul 27, 4:08 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe	52 min
Jul 27, 4:08 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison, Tipton	37 min
Jul 27, 4:16 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hancock, Madison, Marion	29 min
Jul 27, 4:28 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Monroe	47 min
Jul 27, 4:38 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence	37 min
Jul 27, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson	39 min
Jul 27, 5:05 PM EDT	Special Weather Statement	IND	Marion	25 min
Jul 27, 5:19 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Marion, Shelby	26 min
Jul 27, 5:21 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	24 min
Jul 27, 5:41 PM EDT	Severe Thunderstorm Warning	IND	Jennings	14 min
Jul 27, 5:52 PM EDT	Severe Thunderstorm Warning	IND	Lawrence	38 min
Jul 27, 6:16 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	29 min
Jul 27, 6:30 PM EDT	Severe Thunderstorm Warning	IND	Lawrence	45 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.