Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 65, NWS Indianapolis, IN

June 1, 1999Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 1, 1999, 10:46 PM EST for Knox County, Indiana. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 1, 1999, 10:46 PM EST (03:46 UTC)
Expired
Jun 1, 1999, 11:30 PM EST
In force
44 min
Issued by
NWS Indianapolis, IN
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Knox County, IN

What was reported inside it

TimeReportWhereRemark
Jun 1, 10:50 PM ESTThunderstorm Wind 56Oaktown, IN

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 00:00Z, 3.8 hours before the alert went out and 185 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 00:00Z on 1999-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1323 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 1999-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.19395878Sfc1 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
1323 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
1.1
Supercell composite
7.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 020352 COR
SVRIND
INC083-020430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1046 PM EST TUE JUN 1 1999

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN INDIANA
  THIS INCLUDES THE CITY OF VINCENNES

* UNTIL 1130 PM EST

* AT 1042 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF VINCENNES...MOVING EAST AT 40 
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR
  VINCENNES AT 1050 PM EST
  BRUCEVILLE AT 1055 PM EST
  BICKNELL AT 1105 PM EST

DAMAGING THUNDERSTORM WINDS IN EXCESS OF 60 MPH ARE EXPECTED WITH 
THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EST WEDNESDAY MORNING
FOR INDIANA.

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 3888 8753 3852 8763 3854 8725 3890 8730

...CORRECTED FOR DUPLICATION OF WORD NEAR...

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 1, 10:41 PM EST, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1041 PM EST TUE JUN 01 1999

TIME(EST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1017 PM    5 SW TERRE HAUTE          IN    60 MPH TSTM GUST
06/01/99   VIGO

1030 PM    EASTERN VIGO COUNTY       IN    WIND DAMAGE
06/01/99   VIGO                            SEVERAL TREES DOWN IN
                                           EASTERN VIGO COUNTY
                                           REPORTED BY STATE POLICE
Local storm report, Jun 1, 10:41 PM EST, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1041 PM EST TUE JUN 01 1999

TIME(EST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1017 PM    5 SW TERRE HAUTE          IN    60 MPH TSTM GUST
06/01/99   VIGO

1030 PM    EASTERN VIGO COUNTY       IN    WIND DAMAGE
06/01/99   VIGO                            SEVERAL TREES DOWN IN
                                           EASTERN VIGO COUNTY
                                           REPORTED BY STATE POLICE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:56 PM ESTSevere Thunderstorm WarningINDVermillion34 min
Jun 1, 10:06 PM ESTSevere Thunderstorm WarningINDSullivan, Vigo39 min
Jun 1, 10:22 PM ESTSevere Thunderstorm WarningINDParke23 min
Jun 1, 10:26 PM ESTTornado WarningINDFountain49 min
Jun 1, 10:30 PM ESTSevere Thunderstorm WarningINDClay30 min
Jun 1, 10:42 PM ESTSevere Thunderstorm WarningINDOwen, Putnam48 min
Jun 1, 10:42 PM ESTSevere Thunderstorm WarningINDMontgomery48 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999Every severe thunderstorm warning in 1999

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.