Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 112, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 20, 1990, 2:36 PM EST for Henry County, Rush County, Indiana. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1990, 2:36 PM EST (19:36 UTC)
- Expired
- Aug 20, 1990, 3:15 PM EST
- In force
- 39 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Henry County, IN, Rush 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 12:00Z, 7.6 hours before the alert went out and 106 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.
- Mixed-layer CAPE
- 238 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 201944 COR
SVRIND
INC065-139-202015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
236 PM EST MON AUG 20 1990
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL INDIANA
...SOUTHERN HENRY
IN CENTRAL INDIANA
...NORTHERN RUSH
RADAR AT 235 PM EST INDICATED A SEVERE THUNDERSTORM ABOUT 25 MILES
EAST OF DOWNTOWN INDIANAPOLIS MOVING EAST AT 20 MPH.
THE MARION COUNTY SHERRIFF SAID THAT STORM HAD PRODUCED A BRIEF TORNADO
TOUCHDOWN NEAR 30TH AND MITHOFFER AND ALSO NEAR CUMBERLAND.
THIS STORM WILL MOVE TO NEAR OR JUST SOUTH OF NEW CASTLE BY 250 PM
EST.
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 POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
HENDRICKSONWhat 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 20, 1:50 PM EST, 46 minutes before
INZ009-010-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 148 PM EST MON AUG 20 1990 AT 135 PM EST GREENWOOD CITY POLICE REPORTED SEVERAL POWER LINES HAVE BEEN BLOWN DOWN AND SEVERAL TREE LIMBS HAVE BEEN BLOWN DOWN ABOUT 15 MILES SOUTH SOUTHEAST OF DOWNTOWN INDIANAPOIS. THIS THUNDERSTORM WAS MOVING EAST AT 20 MPH AND WILL MOVE INTO NORTHERN SHELBY AND SOUTHERN HANCOCK COUNTIES BY 200 PM EST. PERSONS ON THE SOUTHEAST AND EAST SIDE OF INDIANAPOIS AND ALSO TO NORTH OF SHELBYVILLE SHOULD BE PREPARED FOR STRONG GUSTY WINDS AND VERY HEAVY RAINS AS THESE STORMS MOVE THROUGH. HENDRICKSON STORMS WILL MOVE OVER CAYUGA...30 MILES NORTH OF TERRE HAUTE..NEAR 120 AM^ AND WILL BE NEAR VEEDERSBURG...40 MILES NORTHEAST OF TERRE HAUTE...BY 200 AM EST. JRD
Special weather statement, Aug 20, 1:50 PM EST, 46 minutes before
INZ009-010-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 148 PM EST MON AUG 20 1990 AT 135 PM EST GREENWOOD CITY POLICE REPORTED SEVERAL POWER LINES HAVE BEEN BLOWN DOWN AND SEVERAL TREE LIMBS HAVE BEEN BLOWN DOWN ABOUT 15 MILES SOUTH SOUTHEAST OF DOWNTOWN INDIANAPOIS. THIS THUNDERSTORM WAS MOVING EAST AT 20 MPH AND WILL MOVE INTO NORTHERN SHELBY AND SOUTHERN HANCOCK COUNTIES BY 200 PM EST. PERSONS ON THE_ SOUTHEAST AND EAST SIDE OF INDIANAPOIS AND ALSO TO NORTH OF SHELBYVILLE SHOULD BE PREPARED FOR STRONG GUSTY WINDS AND VERY HEAVY RAINS AS THESE STORMS MOVE THROUGH. HENDRICKSON
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 8:02 PM EST | Severe Thunderstorm Warning | IND | Delaware, Henry | 28 min |
| Aug 19, 8:29 PM EST | Severe Thunderstorm Warning | IND | Henry | 31 min |
| Aug 19, 8:50 PM EST | Flash Flood Warning | IND | Hancock | 3 hr |
| Aug 19, 9:16 PM EST | Severe Thunderstorm Warning | IND | Fayette | 44 min |
| Aug 20, 1:59 PM EST | Severe Thunderstorm Warning | IND | Hancock, Shelby | 31 min |
| Aug 20, 2:26 PM EST | Severe Thunderstorm Warning | IND | Madison, Tipton | 34 min |
| Aug 20, 3:38 PM EST | Flash Flood Warning | IND | Madison | 82 min |
| Aug 20, 3:46 PM EST | Flash Flood Warning | IND | Howard | 3 hr |
| Aug 20, 5:31 PM EST | Tornado Warning | IND | Warrick | 29 min |
| Aug 20, 6:56 PM EST | Severe Thunderstorm Warning | IND | Randolph | 64 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.