Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 204, NWS Indianapolis, IN

August 9, 2012Fountain County, Montgomery County, Parke County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 9, 2012, 6:46 PM EDT for Fountain County, Montgomery County, Parke County, Indiana. It was in force for 44 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 9, 2012, 6:46 PM EDT (22:46 UTC)
Expired: Aug 9, 2012, 7:30 PM EDT
In force: 44 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Fountain County, IN, Montgomery County, IN, Parke County, IN

The radar

The Indianapolis radar (KIND), 77 km from the middle of the area, began a volume at 22:46 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 9, 7:07 PM EDT	TSTM WND DMG	Wallace, IN	HAIL 1.50 TO 2.25 INCHES IN DIAMETER CAUSED DAMAGE TO CARS AND ROOFS. TREES AND TREE LIMBS WERE DOWNED BY THUNDERSTORM GUSTS. TIME ESTIMATED...BASED ON RADAR.
Aug 9, 7:07 PM EDT	HAIL 2	Wallace, IN	HAIL 1.50 TO 2.25 INCHES IN DIAMETER CAUSED DAMAGE TO CARS AND ROOFS. TREES AND TREE LIMBS WERE DOWNED BY THUNDERSTORM GUSTS. TIME ESTIMATED...BASED ON RADAR.
Aug 9, 7:19 PM EDT	HAIL 1.25	Alamo, IN	REPORTED VIA MEDIA FACEBOOK PAGE. HAIL SIZE ESTIMATED FROM PHOTO AND TIME ESTIMATED FROM RADAR.
Aug 9, 7:38 PM EDT	TSTM WND GST 61	3 Sw Crawfordsville, IN	TIME ESTIMATED...BASED ON RADAR.

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
Aug 9, 5:02 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 130 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: 396 J/kg
Mixed-layer CIN: -236 J/kg
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 88 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.

935 
WUUS53 KIND 092246
SVRIND
INC045-107-121-092330-
/O.NEW.KIND.SV.W.0204.120809T2246Z-120809T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
646 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FOUNTAIN COUNTY IN WEST CENTRAL INDIANA...
  SOUTHWESTERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  NORTH CENTRAL PARKE COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 730 PM EDT

* AT 642 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 NEAR
  VEEDERSBURG...OR 19 MILES EAST OF DANVILLE...AND MOVING EAST AT 20
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  YEDDO...
  HILLSBORO...
  WALLACE...
  WAYNETOWN...
  ALAMO...
  SHADES STATE PARK...
  NEW MARKET...

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 10 AND 30.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4007 8690 3996 8691 3987 8708 4004 8738
      4018 8733
TIME...MOT...LOC 2246Z 291DEG 15KT 4006 8726
WIND...HAIL 60MPH 1.00IN

$$

MRD/MK

2 follow-up statements

243 
WWUS53 KIND 092256
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
656 PM EDT THU AUG 9 2012

INC045-107-121-092330-
/O.CON.KIND.SV.W.0204.000000T0000Z-120809T2330Z/
FOUNTAIN-MONTGOMERY-PARKE-
656 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
FOUNTAIN...SOUTHWESTERN MONTGOMERY AND NORTH CENTRAL PARKE COUNTIES
UNTIL 730 PM EDT...

AT 655 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6
MILES SOUTHEAST OF VEEDERSBURG...OR 16 MILES WEST OF
CRAWFORDSVILLE...MOVING SOUTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  WALLACE...WAYNETOWN...ALAMO...SHADES STATE PARK AND NEW MARKET.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 3999 8729 4009 8735 4018 8733 4007 8690
      3996 8691 3987 8708
TIME...MOT...LOC 2256Z 298DEG 17KT 4004 8719
WIND...HAIL 60MPH 1.50IN

$$

MRD/MK

503 
WWUS53 KIND 092329
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
729 PM EDT THU AUG 9 2012

INC045-107-121-092339-
/O.EXP.KIND.SV.W.0204.000000T0000Z-120809T2330Z/
FOUNTAIN-MONTGOMERY-PARKE-
729 PM EDT THU AUG 9 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN 
FOUNTAIN...SOUTHWESTERN MONTGOMERY AND NORTH CENTRAL PARKE COUNTIES 
HAS BEEN REISSUED FOR SOUTHWEST MONTGOMERY...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 3999 8729 4009 8735 4018 8733 4007 8690
      3996 8691 3987 8708
TIME...MOT...LOC 2329Z 298DEG 17KT 3997 8701

$$

MRD/MK

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 9:26 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Marion, Shelby	33 min
Aug 8, 9:58 PM EDT	Areal Flood Advisory	IND	Hendricks, Marion	3 hr
Aug 8, 10:46 PM EDT	Special Weather Statement	IND	Rush	44 min
Aug 9, 2:11 AM EDT	Special Weather Statement	IND	Montgomery	34 min
Aug 9, 2:14 AM EDT	Special Weather Statement	IND	Vermillion	31 min
Aug 9, 2:27 AM EDT	Areal Flood Advisory	IND	Boone, Fountain, Montgomery, Parke, Putnam, Vermillion	3 hr
Aug 9, 2:46 AM EDT	Special Weather Statement	IND	Parke, Vermillion	44 min
Aug 9, 2:59 AM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	46 min
Aug 9, 3:33 AM EDT	Special Weather Statement	IND	Hamilton	42 min
Aug 9, 3:49 AM EDT	Areal Flood Warning	IND	Fountain, Montgomery, Parke, Vermillion	5 hr
Aug 9, 3:55 AM EDT	Special Weather Statement	IND	Hendricks, Parke, Putnam	50 min
Aug 9, 4:10 AM EDT	Special Weather Statement	IND	Owen	50 min
Aug 9, 4:27 AM EDT	Areal Flood Advisory	IND	Hamilton, Hendricks, Marion	4 hr
Aug 9, 4:42 AM EDT	Special Weather Statement	IND	Hendricks, Marion	48 min
Aug 9, 6:33 PM EDT	Special Weather Statement	IND	Fountain	27 min
Aug 9, 7:02 PM EDT	Tornado Warning	IND	Fountain, Montgomery, Parke, Putnam	28 min
Aug 9, 7:18 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Tippecanoe	42 min
Aug 9, 7:27 PM EDT	Severe Thunderstorm Warning	IND	Montgomery, Putnam	33 min
Aug 9, 7:56 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Montgomery, Putnam	34 min
Aug 9, 7:58 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Montgomery, Tippecanoe	32 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.