Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 29, NWS Indianapolis, IN

May 19, 1998Sullivan County, Vigo County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 19, 1998, 9:31 PM EST for Sullivan County, Vigo County, Indiana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 19, 1998, 9:31 PM EST (02:31 UTC)
Expired
May 19, 1998, 10:05 PM EST
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Sullivan County, IN, Vigo County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 19, 7:30 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.5 hours before the alert went out and 142 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 1998-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4287 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1998-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
4287 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

615 
WUUS1 KIND 200233 RRA
SVRIND
INC153-167-200305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
931 PM EST TUE MAY 19 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLIVAN COUNTY IN SOUTHWESTERN INDIANA
  VIGO COUNTY IN WEST CENTRAL INDIANA

* UNTIL 1005 PM EST

* AT 925 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF TERRE HAUTE NEAR WEAVER
  ILLINOIS... MOVING SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TERRE HAUTE AROUND 940 PM EST
  SULLIVAN AROUND 950 PM EST

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

DRT

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

Special weather statement, May 19, 7:56 PM EST, 1 hour 35 minutes before
INZ053-060>065-067>072-200500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
756 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR MUCH OF SOUTHERN
INDIANA...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL MIDNIGHT FOR MUCH
OF SOUTHERN INDIANA. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL AND
NORTHERN INDIANA CONTINUES IN EFFECT. THIS MEANS THAT EXCEPT FOR A
FEW COUNTIES IN EXTREME SOUTHWEST...SOUTHEAST AND NORTHERN INDIANA
THE REST OF THE STATE IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL
MIDNIGHT.

THUNDERSTORMS CONTINUE TO MOVE THROUGH INDIANA. SOME OF THE STORMS
MAY BE SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND THE
POSSIBILITY OF TORNADOES. HEAVY RAIN MAY ALSO CAUSE FLASH FLOODING.

THE STORMS SHOULD DECREASE IN STRENGTH LATER THIS EVENING AS THEY
LOOSE THE HEATING FROM THE SUN.

PERSONS THROUGHOUT INDIANA SHOULD KEEP A CLOSE EYE ON THE WEATHER.
LISTEN TO A RELIABLE SOURCE FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

HAINES
Special weather statement, May 19, 7:56 PM EST, 1 hour 35 minutes before
INZ053-060>065-067>072-200500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
756 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR MUCH OF SOUTHERN
INDIANA...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL MIDNIGHT FOR MUCH
OF SOUTHERN INDIANA. THE SEVERE THUNDERSTORM WATCH FOR CENTRAL AND
NORTHERN INDIANA CONTINUES IN EFFECT. THIS MEANS THAT EXCEPT FOR A
FEW COUNTIES IN EXTREME SOUTHWEST...SOUTHEAST AND NORTHERN INDIANA
THE REST OF THE STATE IS UNDER A SEVERE THUNDERSTORM WATCH UNTIL
MIDNIGHT.

THUNDERSTORMS CONTINUE TO MOVE THROUGH INDIANA. SOME OF THE STORMS
MAY BE SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND THE
POSSIBILITY OF TORNADOES. HEAVY RAIN MAY ALSO CAUSE FLASH FLOODING.

THE STORMS SHOULD DECREASE IN STRENGTH LATER THIS EVENING AS THEY
LOOSE THE HEATING FROM THE SUN.

PERSONS THROUGHOUT INDIANA SHOULD KEEP A CLOSE EYE ON THE WEATHER.
LISTEN TO A RELIABLE SOURCE FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

HAINES
Special weather statement, May 19, 8:10 PM EST, 1 hour 21 minutes before
INZ012>018-020>032-200300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
810 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF NORTHERN
INDIANA...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF
INDIANA NORTH OF A LINE FROM 30 MILES SOUTH OF FORT WAYNE TO 40 MILES
SOUTHWEST OF LAFAYETTE.

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR
MUCH OF THE REST OF CENTRAL AND SOUTHERN INDIANA.

PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH
THE AREA OVER NIGHT. A FEW STRONG STORMS AREA POSSIBLE BUT SEVERE
WEATHER IS NOT EXPECTED.

HAINES
Special weather statement, May 19, 8:10 PM EST, 1 hour 21 minutes before
INZ012>018-020>032-200300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
810 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF NORTHERN
INDIANA...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF
INDIANA NORTH OF A LINE FROM 30 MILES SOUTH OF FORT WAYNE TO 40 MILES
SOUTHWEST OF LAFAYETTE.

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR
MUCH OF THE REST OF CENTRAL AND SOUTHERN INDIANA.

PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH
THE AREA OVER NIGHT. A FEW STRONG STORMS AREA POSSIBLE BUT SEVERE
WEATHER IS NOT EXPECTED.

HAINES
Special weather statement, May 19, 9:21 PM EST, 10 minutes before
INZ003>009-012>018-020>075-080-200500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
921 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF CENTRAL AND
NORTHERN INDIANA...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF
INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 30
MILES SOUTH OF INDIANAPOLIS TO GREENSBURG. THE SEVERE THUNDERSTORM
WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR A GOOD PORTION OF
SOUTHERN INDIANA EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST AND
SOUTHEAST.

THE INDIANAPOLIS AREA IS NO LONGER IN THE WATCH.

THUNDERSTORMS CONTINUE TO MOVE THROUGH SOUTHERN INDIANA. SOME OF THE
STORMS MAY CONTINUE TO BE SEVERE UNTIL MIDNIGHT.

OVER CENTRAL AND NORTHERN INDIANA SCATTERED SHOWERS AND THUNDERSTORMS
MAY WILL CONTINUE TO MOVE THROUGH. SOME INTENSE LIGHTNING MAY OCCUR
WITH THESE STORMS.

HEAVY RAIN FROM THE STORMS MAY CAUSE SOME FLOODING IN LOW AREAS
THROUGH EARLY WEDNESDAY MORNING.

HAINES
Special weather statement, May 19, 9:21 PM EST, 10 minutes before
INZ003>009-012>018-020>075-080-200500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
921 PM EST TUE MAY 19 1998

...SEVERE THUNDERSTORM WATCH CANCELLED FOR PORTIONS OF CENTRAL AND
NORTHERN INDIANA...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THAT PORTION OF
INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF TERRE HAUTE TO 30
MILES SOUTH OF INDIANAPOLIS TO GREENSBURG. THE SEVERE THUNDERSTORM
WATCH CONTINUES IN EFFECT UNTIL MIDNIGHT FOR A GOOD PORTION OF
SOUTHERN INDIANA EXCEPT FOR A FEW COUNTIES IN EXTREME SOUTHWEST AND
SOUTHEAST.

THE INDIANAPOLIS AREA IS NO LONGER IN THE WATCH.

THUNDERSTORMS CONTINUE TO MOVE THROUGH SOUTHERN INDIANA. SOME OF THE
STORMS MAY CONTINUE TO BE SEVERE UNTIL MIDNIGHT.

OVER CENTRAL AND NORTHERN INDIANA SCATTERED SHOWERS AND THUNDERSTORMS
MAY WILL CONTINUE TO MOVE THROUGH. SOME INTENSE LIGHTNING MAY OCCUR
WITH THESE STORMS.

HEAVY RAIN FROM THE STORMS MAY CAUSE SOME FLOODING IN LOW AREAS
THROUGH EARLY WEDNESDAY MORNING.

HAINES

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 7:12 PM ESTFlash Flood WarningINDFountain, Vermillion, Warren3 hr
May 19, 7:12 PM ESTFlash Flood WarningINDParke3 hr
May 19, 7:45 PM ESTSevere Thunderstorm WarningINDClay45 min
May 19, 10:27 PM ESTSevere Thunderstorm WarningINDKnox33 min
May 20, 1:04 PM ESTSevere Thunderstorm WarningINDKnox46 min
May 20, 1:56 PM ESTSevere Thunderstorm WarningINDDaviess49 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998Every severe thunderstorm warning in 1998

Sources

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