Alert archive / Indiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 29, NWS Indianapolis, IN

May 12, 2002Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 12, 2002, 6:21 PM EST for Sullivan County, Indiana. It was in force for 24 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: May 12, 2002, 6:21 PM EST (23:21 UTC)
Expired: May 12, 2002, 6:45 PM EST
In force: 24 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Sullivan County, IN

What was reported inside it

Time	Report	Where	Remark
May 12, 6:30 PM EST	Thunderstorm Wind 50 E	Sullivan, IN	Semi blown over along U.S. 41

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.4 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: 77 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 122321
SVRIND
INC153-122345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
620 PM EST SUN MAY 12 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLIVAN COUNTY IN SOUTHWEST INDIANA

* UNTIL 645 PM EST

* AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF CARLISLE...OR ABOUT 19 MILES
  NORTH OF VINCENNES...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARLISLE AT 625 PM EST
  DUGGER AT 635 PM EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR.

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

LAT...LON 3917 8760 3897 8767 3890 8755 3890 8737
          3912 8723

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 7:58 AM EST	Flash Flood Warning	IND	Clay, Vigo	2 hr
May 12, 8:01 AM EST	Flash Flood Warning	IND	Clay, Vigo	3 hr
May 12, 10:50 AM EST	Flash Flood Warning	IND	Clay, Vigo	115 min
May 12, 10:53 AM EST	Flash Flood Warning	IND	Clay, Vigo	3 hr
May 12, 11:11 AM EST	Flash Flood Warning	IND	Boone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more	2 hr
May 12, 11:15 AM EST	Flash Flood Warning	IND	Boone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more	3 hr
May 12, 3:53 PM EST	Flash Flood Warning	IND	Delaware, Hamilton, Madison, Randolph	2 hr
May 12, 3:54 PM EST	Flash Flood Warning	IND	Delaware, Hamilton, Madison, Randolph	3 hr
May 12, 4:44 PM EST	Flash Flood Warning	IND	Hancock, Henry, Rush	2 hr
May 12, 4:47 PM EST	Flash Flood Warning	IND	Hancock, Henry, Rush	3 hr
May 12, 4:54 PM EST	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen, Sullivan, Vigo	2 hr
May 12, 4:58 PM EST	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen, Sullivan, Vigo	3 hr
May 12, 6:47 PM EST	Severe Thunderstorm Warning	IND	Daviess	28 min
May 12, 6:59 PM EST	Severe Thunderstorm Warning	IND	Martin	31 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.