Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 108, NWS Indianapolis, IN

August 19, 1990Henry County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 19, 1990, 8:29 PM EST for Henry County, Indiana. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1990, 8:29 PM EST (01:29 UTC)
Expired
Aug 19, 1990, 9:00 PM EST
In force
31 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Henry County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.5 hours before the alert went out and 102 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, Dayton/James M C, OH at 00:00Z on 1990-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1625 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dayton/James M C, OH at 00:00Z on 1990-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
1625 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 200130
SVRIND
INC065-200200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
829 PM EST SUN AUG 19 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL INDIANA
          ...NORTH CENTRAL AND NORTHEAST HENRY
 
POLICE IN THE TOWN OF MIDDLETOWN IN NORTHWEST HENRY COUNTY...ABOUT 15
MILES SOUTHWEST OF MUNCIE...REPORTED TREES DOWN AND ROADS BLOCKED FROM
A THUNDERSTORM. THAT THUNDERSTORM WAS ABOUT SEVEN MILES NORTHWEST OF
NEW CASTLE MOVING TOWARD THE TOWNS OF MOUNT SUMMIT AND MOORELAND ALONG
U.S. ROUTE 36. IT WILL MOVE THROUGH THAT AREA BETWEEN 835 AND 855 PM
EST AS IT MOVES EAST AT 25 MILES PER HOUR.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE6 IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
MPD

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, Aug 19, 3:52 PM EST, 4 hours 37 minutes before
INZ004-007-008-192200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
348 PM EST SUN AUG 19 1990

AT 340 PM EST...VERY INTENSE THUNDERSTORMS WERE RAPIDLY DEVELOPING OVER
PARTS OF NORTHWEST INDIANA AND NEAR THE INDIANA...ILLINOIS STATE
LINE OVER EXTREME EAST CENTRAL ILLINOIS.

THE STRONGEST THUNDERSTORMS WERE LOCATED OVER CENTRAL NEWTON COUNTY
ABOUT 15 MILES NORTHWEST OF RENNSELAER AND 10 MILES NORTHWEST OF
TERRE HAUTE. THE THUNDERSTORM OVER NEWTON COUNTY WAS MOVING EAST AT
15 MILES AN HOUR AND SHOULD REACH WHEATFIELD INDIANA BETWEEN 400 AND
415 PM EST. THE INTENSE THUNDERSTORM 10 MILES NORTHWEST OF TERRE HAUTE
SHOWED LITTLE MOVEMENT BUT HAS INTENSIFIED AND WILL BE MONITORED
CLOSELY.

GUSTY SURFACE WINDS...SOME HAIL...DANGEROUS LIGHTNING AND BLINDING
RAIN WILL ACCOMPANY THESE STORMS. MOTORISTS DRIVING THROUGH BLINDING
RAIN SHOULD SLOW DOWN AND ANTICPATE PONDING OF WATER ON ROADWAYS.
PRZYBYLINSKI
Special weather statement, Aug 19, 4:54 PM EST, 3 hours 35 minutes before
INZ004-005-007-008-010-192300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
450 PM EST SUN AUG 19 1990

AT 445 PM EST...VERY STRONG THUNDERSTORMS EXTENDED FROM ABOUT 15
MILES NORTHEAST OF LAFAYATTE TO ABOUT 30 MILE NORTHWEST OF LAFAYATTE.

STATE POLICE REPORTED AT 435 PM EST THAT THE THUNDERSTORMS 30 MILES
NORTHWEST OF LAFAYATTE HAD PRODUCED MARBLE SIZE HAIL AND VERY HEAVY
RAINS.

OTHER VERY STRONG THUNDERSTORMS WERE ALSO OCCURRING OVER EAST CENTRAL
INDIANA FROM JUST EAST OF MUNCIE TO ABOUT RICHMOND AND ALSO NEAR THE
INDIANA ILLINOIS BORDER ABOUT 15 MILES NORTHWEST OF TERRE HAUTE.

THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 20 MPH.

PERSONS IN THE KOKOMO AREA MAY RECEIVE VERY HEAVY RAINS FROM THE
THUNDERSTORMS NORTH OF LAFAYATTE BY 600 PM EST.
HENDRICKSON
Special weather statement, Aug 19, 5:55 PM EST, 2 hours 34 minutes before
INZ004-005-009-010-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
555 PM EST SUN AUG 19 1990

AT 545 PM EST...AN AMATEUR RADIO COORDINATOR IN NORTHERN INDIANA
REPORTED MARBLE SIZED HAIL AND 40 MILE PER HOUR WIND GUSTS NEAR
REYNOLDS...ABOUT FIVE MILES WEST OF MONTICELLO IN NORTHWEST INDIANA.
THE THUNDERSTORMS THAT CAUSED THAT WEATHER WILL BEGIN TO MOVE INTO
THE VICINITY OF PERU IN NORTH CENTRAL INDIANA BY 6 PM.

MORE THUNDERSTORMS WERE ABOUT TO MOVE INTO NORTHWEST INDIANA WEST OF
RENSSELAER. THOSE THUNDERSTORMS...WHICH WILL CROSS INTO INDIANA FROM
ILLINOIS BY 610 PM...COULD ALSO PRODUCE SMALL HAIL AND GUSTY WINDS.

ALL THUNDERSTORMS CONTAIN VERY HEAVY DOWNPO;URS AND DANGEROUS LIGHTNING.
THEY WILL CONTINUE TO MOVE FROM WEST OF RENSSELAER TO NEAR PERU TO
NEAR MUNCIE IN EAST CENTRAL INDIANA FOR THE REMAINDER OF THE DAYLIGHT
HOURS.
.
MPD
Special weather statement, Aug 19, 7:31 PM EST, 58 minutes before
INZ004-005-009-010-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
735 PM EST SUN AUG 19 1990

AT 725 PM EST...THE PUBLIC REPORTED A NUMBER OF VERY LARGE TREE
LIMBS BLOWN DOWN ALONG WITH PEA SIZED HAIL IN ELWOOD INDIANA...WHICH
IS 15 MILES NORTHWEST OF ANDERSON.

THIS STORM IS MOVING SOUITHEAST AND WILL PASS BETWEEN ANDERSON AND
MUNCIE TO NEAR MODOC BY 9 PM EST.  PERSONS SHOULD BE ALERT FOR VERY
HEAVY RAIN...SMALL HAIL AND GUSTY WINDS.

CURRAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 8:02 PM ESTSevere Thunderstorm WarningINDDelaware, Henry28 min
Aug 19, 8:50 PM ESTFlash Flood WarningINDHancock3 hr
Aug 19, 9:16 PM ESTSevere Thunderstorm WarningINDFayette44 min
Aug 20, 1:59 PM ESTSevere Thunderstorm WarningINDHancock, Shelby31 min
Aug 20, 2:26 PM ESTSevere Thunderstorm WarningINDMadison, Tipton34 min
Aug 20, 2:36 PM ESTSevere Thunderstorm WarningINDHenry, Rush39 min
Aug 20, 3:38 PM ESTFlash Flood WarningINDMadison82 min
Aug 20, 3:46 PM ESTFlash Flood WarningINDHoward3 hr
Aug 20, 5:31 PM ESTTornado WarningINDWarrick29 min
Aug 20, 6:56 PM ESTSevere Thunderstorm WarningINDRandolph64 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1990Every severe thunderstorm warning in 1990

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.