Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 169, NWS Indianapolis, IN

July 27, 2012Bartholomew County, Decatur County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 2012, 3:42 PM EDT for Bartholomew County, Decatur County, Indiana. It was in force for 35 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: Jul 27, 2012, 3:42 PM EDT (19:42 UTC)
Expired: Jul 27, 2012, 4:17 PM EDT
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bartholomew County, IN, Decatur County, IN

The radar

The Indianapolis radar (KIND), 79 km from the middle of the area, began a volume at 19:42 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
Jul 27, 3:45 PM EDT	TSTM WND DMG	12 Wsw Greensburg, IN	SEVERAL TREES DOWNED IN THE BURNEY AREA NEAR CR100S AND CR850W.

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

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, 7.7 hours before the alert went out and 149 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.

684 
WUUS53 KIND 271942
SVRIND
INC005-031-272030-
/O.NEW.KIND.SV.W.0169.120727T1942Z-120727T2030Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  DECATUR COUNTY IN CENTRAL INDIANA...

* UNTIL 430 PM EDT

* AT 337 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 GREENSBURG...OR 14 MILES NORTHEAST OF COLUMBUS...AND
  MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GREENSBURG...
  ADAMS...
  LETTS...
  MILLHOUSEN...
  NEWPOINT...

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 129 AND 144.

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 3918 8546 3923 8576 3935 8570 3935 8563
      3940 8563 3939 8529 3927 8529
TIME...MOT...LOC 1942Z 276DEG 33KT 3930 8562
WIND...HAIL 60MPH 1.00IN

$$

SMF

3 follow-up statements

958 
WWUS53 KIND 271949
SVSIND

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

INC005-271958-
/O.CAN.KIND.SV.W.0169.000000T0000Z-120727T2030Z/
BARTHOLOMEW-
349 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BARTHOLOMEW
COUNTY IS CANCELLED...

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

LAT...LON 3918 8546 3922 8568 3925 8568 3931 8567
      3935 8565 3936 8563 3940 8563 3939 8529
      3927 8529
TIME...MOT...LOC 1948Z 276DEG 33KT 3929 8555

$$

INC031-272030-
/O.CON.KIND.SV.W.0169.000000T0000Z-120727T2030Z/
DECATUR-
349 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
DECATUR COUNTY UNTIL 430 PM EDT...

AT 346 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 
SOUTHWEST OF GREENSBURG...OR 19 MILES WEST OF BATESVILLE...MOVING 
EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENSBURG...MILLHOUSEN AND NEWPOINT.

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 3918 8546 3922 8568 3925 8568 3931 8567
      3935 8565 3936 8563 3940 8563 3939 8529
      3927 8529
TIME...MOT...LOC 1948Z 276DEG 33KT 3929 8555
WIND...HAIL 60MPH 1.00IN

$$

SMF

468 
WWUS53 KIND 272002 RRA
SVSIND

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

INC031-272030-
/O.CON.KIND.SV.W.0169.000000T0000Z-120727T2030Z/
DECATUR-
402 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
DECATUR COUNTY UNTIL 430 PM EDT...

AT 400 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
SOUTHEAST OF GREENSBURG...OR 10 MILES WEST OF BATESVILLE...MOVING
EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  NEWPOINT.

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 3918 8546 3920 8552 3923 8558 3927 8557
      3931 8553 3936 8547 3939 8543 3939 8529
      3927 8529
TIME...MOT...LOC 2002Z 276DEG 33KT 3927 8539
WIND...HAIL 60MPH 1.00IN

$$

SMF

515 
WWUS53 KIND 272017
SVSIND

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

INC031-272027-
/O.CAN.KIND.SV.W.0169.000000T0000Z-120727T2030Z/
DECATUR-
417 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DECATUR COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.  HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3918 8546 3920 8552 3923 8558 3927 8557
      3931 8553 3936 8547 3939 8543 3939 8529
      3927 8529
TIME...MOT...LOC 2017Z 276DEG 33KT 3925 8521

$$

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, 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, 4:36 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Rush, Shelby	24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.