Alert archive / Indiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 30, NWS Indianapolis, IN

May 12, 2002Daviess County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 12, 2002, 6:47 PM EST for Daviess County, Indiana. It was in force for 28 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, 6:47 PM EST (23:47 UTC)
Expired
May 12, 2002, 7:15 PM EST
In force
28 min
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

County Daviess County, IN

What was reported inside it

TimeReportWhereRemark
May 12, 7:00 PM ESTThunderstorm Wind 50 EPlainville, INTrees downed

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, 11.8 hours before the alert went out and 198 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2002-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2002-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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 122347
SVRIND
INC027-130015-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 715 PM EST

* AT 644 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PLAINVILLE...OR ABOUT 18 MILES EAST OF
  VINCENNES...MOVING SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MONTGOMERY AT 655 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 3885 8720 3871 8725 3859 8704 3889 8694

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:58 AM ESTFlash Flood WarningINDClay, Vigo2 hr
May 12, 8:01 AM ESTFlash Flood WarningINDClay, Vigo3 hr
May 12, 10:50 AM ESTFlash Flood WarningINDClay, Vigo115 min
May 12, 10:53 AM ESTFlash Flood WarningINDClay, Vigo3 hr
May 12, 11:11 AM ESTFlash Flood WarningINDBoone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more2 hr
May 12, 11:15 AM ESTFlash Flood WarningINDBoone, Clinton, Fountain, Hendricks, Montgomery, Parke and 2 more3 hr
May 12, 3:53 PM ESTFlash Flood WarningINDDelaware, Hamilton, Madison, Randolph2 hr
May 12, 3:54 PM ESTFlash Flood WarningINDDelaware, Hamilton, Madison, Randolph3 hr
May 12, 4:44 PM ESTFlash Flood WarningINDHancock, Henry, Rush2 hr
May 12, 4:47 PM ESTFlash Flood WarningINDHancock, Henry, Rush3 hr
May 12, 4:54 PM ESTFlash Flood WarningINDClay, Greene, Monroe, Owen, Sullivan, Vigo2 hr
May 12, 4:58 PM ESTFlash Flood WarningINDClay, Greene, Monroe, Owen, Sullivan, Vigo3 hr
May 12, 6:21 PM ESTSevere Thunderstorm WarningINDSullivan24 min
May 12, 6:59 PM ESTSevere Thunderstorm WarningINDMartin31 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2002Every 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.