Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 218, NWS Indianapolis, IN

August 9, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 9, 2012, 9:26 PM EDT for 4 counties in Indiana. It was in force for 49 min. 2 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, 9:26 PM EDT (01:26 UTC)
Expired: Aug 9, 2012, 10:15 PM EDT
In force: 49 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Fountain County, IN, Montgomery County, IN, Tippecanoe County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 81 km from the middle of the area, began a volume at 01:28 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, 9:34 PM EDT	HAIL 1.75	Ne Attica, IN	DELAYED REPORT. TIME ESTIMATED.
Aug 9, 9:35 PM EDT	HAIL 1.5	E Attica, IN	DELAYED REPORT. TIME ESTIMATED.

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, 8:40 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 136 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: 680 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1397 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

628 
WUUS53 KIND 100126
SVRIND
INC045-107-157-171-100215-
/O.NEW.KIND.SV.W.0218.120810T0126Z-120810T0215Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN FOUNTAIN COUNTY IN WEST CENTRAL INDIANA...
  NORTHERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  SOUTHWESTERN TIPPECANOE COUNTY IN WEST CENTRAL INDIANA...
  EAST CENTRAL WARREN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 1015 PM EDT

* AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  WILLIAMSPORT...OR 18 MILES SOUTH OF FOWLER...AND MOVING SOUTHEAST
  AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CRAWFORDSVILLE...
  WILLIAMSPORT...
  ATTICA...
  NEWTOWN...
  MELLOTT...
  WINGATE...
  HILLSBORO...
  NEW RICHMOND...
  WAYNETOWN...
  LINDEN...
  ALAMO...

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 17 AND 36.

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 4018 8674 4005 8687 3995 8708 4032 8740
      4046 8715
TIME...MOT...LOC 0126Z 317DEG 29KT 4034 8725
WIND...HAIL 60MPH 1.75IN

$$

MRD/MK

3 follow-up statements

008 
WWUS53 KIND 100141
SVSIND

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

INC045-107-157-171-100215-
/O.CON.KIND.SV.W.0218.000000T0000Z-120810T0215Z/
FOUNTAIN-MONTGOMERY-TIPPECANOE-WARREN-
941 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
FOUNTAIN...NORTHERN MONTGOMERY...SOUTHWESTERN TIPPECANOE AND EASTERN
WARREN COUNTIES UNTIL 1015 PM EDT...

AT 938 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
EAST OF WILLIAMSPORT...OR 18 MILES SOUTHWEST OF LAFAYETTE...MOVING
SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  CRAWFORDSVILLE...NEWTOWN...MELLOTT...WINGATE...HILLSBORO...NEW
  RICHMOND...WAYNETOWN...LINDEN AND ALAMO.

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 4018 8674 4005 8687 3995 8708 4032 8740
      4046 8715
TIME...MOT...LOC 0141Z 317DEG 29KT 4025 8714
WIND...HAIL 60MPH 1.75IN

$$

KOCH

996 
WWUS53 KIND 100154
SVSIND

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

INC171-100204-
/O.CAN.KIND.SV.W.0218.000000T0000Z-120810T0215Z/
WARREN-
954 PM EDT THU AUG 9 2012

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

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

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

LAT...LON 4000 8699 4026 8714 4039 8705 4018 8674
      4005 8687
TIME...MOT...LOC 0154Z 301DEG 29KT 4020 8703

$$

INC045-107-157-100215-
/O.CON.KIND.SV.W.0218.000000T0000Z-120810T0215Z/
FOUNTAIN-MONTGOMERY-TIPPECANOE-
954 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
FOUNTAIN...NORTHWESTERN MONTGOMERY AND SOUTHWESTERN TIPPECANOE
COUNTIES UNTIL 1015 PM EDT...

AT 952 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 13 MILES
NORTHEAST OF VEEDERSBURG...OR 14 MILES NORTHWEST OF CRAWFORDSVILLE...
MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  CRAWFORDSVILLE...NEW RICHMOND AND LINDEN.

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 4000 8699 4026 8714 4039 8705 4018 8674
      4005 8687
TIME...MOT...LOC 0154Z 301DEG 29KT 4020 8703
WIND...HAIL 60MPH 1.00IN

$$

MRD/MK

061 
WWUS53 KIND 100204
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1004 PM EDT THU AUG 9 2012

INC045-107-157-100215-
/O.CON.KIND.SV.W.0218.000000T0000Z-120810T0215Z/
FOUNTAIN-MONTGOMERY-TIPPECANOE-
1004 PM EDT THU AUG 9 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
FOUNTAIN...NORTHERN MONTGOMERY AND SOUTHWESTERN TIPPECANOE COUNTIES
UNTIL 1015 PM EDT...

AT 1001 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 9 MILES
NORTHWEST OF CRAWFORDSVILLE...MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  CRAWFORDSVILLE.

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 4000 8699 4026 8714 4039 8705 4018 8674
      4005 8687
TIME...MOT...LOC 0204Z 301DEG 29KT 4016 8694
WIND...HAIL 60MPH 1.00IN

$$

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 8:24 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	36 min
Aug 9, 8:28 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks	32 min
Aug 9, 8:30 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	30 min
Aug 9, 8:48 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Tippecanoe, Warren	42 min
Aug 9, 8:52 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Parke, Putnam	38 min
Aug 9, 8:55 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	35 min
Aug 9, 8:58 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Howard	47 min
Aug 9, 9:00 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	14 min
Aug 9, 9:06 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	39 min
Aug 9, 9:28 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Johnson, Marion, Morgan, Shelby	47 min
Aug 9, 9:58 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Monroe, Morgan, Shelby	62 min
Aug 9, 10:16 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery, Tippecanoe	29 min
Aug 9, 10:21 PM EDT	Tornado Warning	IND	Johnson, Shelby	26 min
Aug 9, 10:32 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Rush, Shelby	43 min
Aug 9, 10:53 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	49 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.