Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 229, NWS Indianapolis, IN

August 16, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 16, 2012, 6:27 PM EDT for 4 counties in Indiana. It was in force for 48 min. 3 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 16, 2012, 6:27 PM EDT (22:27 UTC)
Expired: Aug 16, 2012, 7:15 PM EDT
In force: 48 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Daviess County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN

What was reported inside it

Time	Report	Where	Remark
Aug 16, 6:30 PM EDT	TSTM WND DMG	Vincennes, IN	TREES DOWN AT 80 WEST 15 STREET
Aug 16, 6:31 PM EDT	TSTM WND DMG	Bicknell, IN	LARGE TREE DOWN ON WEST 3RD...SEWER PUMP OUT ON SOUTHWEST SIDE OF TOWN...TIME ESTIMATED
Aug 16, 6:40 PM EDT	TSTM WND DMG	Monroe City, IN	TREE WITH LINES DOWN AT 8TH AND JOHNSON...TIME APPROX

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 16, 4:27 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 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: 817 J/kg
Mixed-layer CIN: -262 J/kg
Mixed-layer LCL: 1559 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

053 
WUUS53 KIND 162227
SVRIND
INC027-083-093-101-162315-
/O.NEW.KIND.SV.W.0229.120816T2227Z-120816T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
627 PM EDT THU AUG 16 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIESS COUNTY IN SOUTHWEST INDIANA...
  SOUTHERN KNOX COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
  MARTIN COUNTY IN SOUTHWEST INDIANA...

* UNTIL 715 PM EDT

* AT 626 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF BLOOMFIELD TO
  6 MILES NORTH OF WASHINGTON TO ST. FRANCISVILLE...AND MOVING EAST
  AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WASHINGTON...
  SHOALS...
  WHEATLAND...
  ODON...
  CRANE...
  DECKER...
  MONROE CITY...
  BURNS CITY...
  MONTGOMERY...
  WEST BOGGS LAKE...
  CANNELBURG...
  INDIAN SPRINGS...
  LOOGOOTEE...
  SILVERVILLE...
  WILLIAMS...
  GLENDALE FISHERY...
  HURON...
  LACY...
  ALFORDSVILLE...
  ROLAND...

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.

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE 
HAIL OVER EASTERN ILLINOIS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND 
STAY AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.

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

&&

LAT...LON 3842 8775 3848 8775 3851 8765 3855 8767
      3866 8761 3877 8733 3890 8712 3891 8656
      3870 8654 3868 8668 3852 8669 3849 8695
      3853 8710 3851 8715 3855 8719 3850 8730
      3851 8738 3854 8740 3849 8757 3844 8760
TIME...MOT...LOC 2227Z 286DEG 45KT 3892 8696 3874 8718
          3857 8759
WIND...HAIL 60MPH 1.00IN

$$

RYAN

2 follow-up statements

259 
WWUS53 KIND 162247
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
647 PM EDT THU AUG 16 2012

INC027-083-093-101-162315-
/O.CON.KIND.SV.W.0229.000000T0000Z-120816T2315Z/
DAVIESS-KNOX-LAWRENCE-MARTIN-
647 PM EDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DAVIESS...
SOUTHERN KNOX...SOUTHWESTERN LAWRENCE AND MARTIN COUNTIES UNTIL 715
PM EDT...

AT 645 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 10 MILES WEST OF BEDFORD TO 6
MILES WEST OF SHOALS TO PETERSBURG...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  SHOALS...WILLIAMS...GLENDALE FISHERY...HURON...LACY AND
  ALFORDSVILLE.

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.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THESE STORMS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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

&&

LAT...LON 3842 8775 3848 8775 3851 8765 3890 8712
      3891 8656 3870 8654 3868 8668 3852 8669
      3852 8683 3849 8695 3853 8710 3851 8715
      3855 8719 3850 8730 3854 8735 3851 8738
      3854 8740 3850 8753 3851 8754 3844 8760
TIME...MOT...LOC 2247Z 286DEG 45KT 3885 8665 3867 8687
          3850 8728
WIND...HAIL 60MPH 1.00IN

$$

RYAN

121 
WWUS53 KIND 162301
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
701 PM EDT THU AUG 16 2012

INC027-083-093-101-162315-
/O.CON.KIND.SV.W.0229.000000T0000Z-120816T2315Z/
DAVIESS-KNOX-LAWRENCE-MARTIN-
701 PM EDT THU AUG 16 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
DAVIESS...SOUTHERN KNOX...SOUTHWESTERN LAWRENCE AND MARTIN COUNTIES
UNTIL 715 PM EDT...

AT 659 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM BEDFORD TO 7 MILES SOUTHEAST OF
SHOALS TO 8 MILES NORTHEAST OF WINSLOW...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHERN MARTIN COUNTY.

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.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS IF YOU ARE IN
THE PATH OF THESE STORMS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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

&&

LAT...LON 3891 8673 3891 8656 3870 8654 3868 8668
      3852 8669 3852 8683 3849 8695 3853 8710
      3851 8715 3855 8719 3850 8730 3854 8735
      3851 8738 3854 8740 3850 8753 3851 8754
      3844 8760 3845 8766 3843 8766 3842 8774
TIME...MOT...LOC 2301Z 286DEG 45KT 3880 8643 3862 8666
          3845 8707
WIND...HAIL 60MPH 1.00IN

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 11:00 AM EDT	Special Weather Statement	IND	Carroll, Clinton, Tippecanoe, Warren	45 min
Aug 16, 11:49 AM EDT	Special Weather Statement	IND	Boone, Carroll, Clinton, Fountain, Hamilton, Howard and 4 more	56 min
Aug 16, 3:43 PM EDT	Special Weather Statement	IND	Fountain, Parke, Vermillion	62 min
Aug 16, 4:05 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	27 min
Aug 16, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Vermillion, Vigo	46 min
Aug 16, 4:47 PM EDT	Areal Flood Advisory	IND	Fountain, Montgomery, Parke, Putnam, Vermillion, Warren	3 hr
Aug 16, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Sullivan, Vigo	46 min
Aug 16, 5:34 PM EDT	Areal Flood Warning	IND	Parke, Vermillion, Vigo	3 hr
Aug 16, 5:42 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	48 min
Aug 16, 6:09 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Lawrence, Martin, Monroe and 1 more	51 min
Aug 16, 6:15 PM EDT	Areal Flood Warning	IND	Clay, Greene, Owen, Sullivan	3 hr
Aug 16, 6:58 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Martin, Monroe	47 min
Aug 16, 7:13 PM EDT	Areal Flood Advisory	IND	Brown, Jackson, Lawrence, Monroe	4 hr
Aug 16, 7:47 PM EDT	Special Weather Statement	IND	Jackson	43 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.