Alert archive / Indiana / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 148, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 28, 1989, 2:35 PM EST for Parke County, Vermillion County, Indiana. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1989, 2:35 PM EST (19:35 UTC)
- Expired
- Aug 28, 1989, 3:30 PM EST
- In force
- 55 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Parke County, IN, Vermillion 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
Peoria Regional, IL (KPIA), launched 12:00Z, 7.6 hours before the alert went out and 215 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
- 362 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 28, 9:52 AM EST, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 950 AM EST MON AUG 28 1989 STRONG THUNDERSTORMS IN NORTHWEST AND WEST CENTRAL INDIANA WERE DUMPING HEAVY RAINS. A GROWING AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING ACROSS RENNSELAER...MONTICELLO...SOUTH OF LAFAYETTE...OVER FRANKFORT AND VEEDERSBURG. DANGEROUS LIGHTNING AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE STORMS. AT 949 AM EST THE FOUNTAIN COUNTY SHERIFF REPORTED BLINDING RAINS IN COVINGTON. THIS RAIN WILL MOVE PARALLEL ACROSS INTERSTATE 74 AND RESULT IN DANGEROUS DRIVING CONDITIONS. THE STORMS WERE MOVING EAST AND MAY PRODUCE STREET FLOODING IN SOUTHERN TIPPECANOE...CLINTON AND FOUNTAIN COUNTIES. RvEPORT FLOODING TO THE POLICE FOR RELAY TO THE NATIONAL WEATHER SERVICE. EDWARDS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:47 AM EST | Flash Flood Warning | IND | Clinton | 118 min |
| Aug 28, 12:52 PM EST | Flash Flood Warning | IND | Fountain, Tippecanoe | 2 hr |
| Aug 28, 12:52 PM EST | Flash Flood Warning | IND | Clinton | 2 hr |
| Aug 28, 1:29 PM EST | Flash Flood Warning | IND | Montgomery | 91 min |
| Aug 28, 1:29 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 61 min |
| Aug 28, 2:35 PM EST | Flash Flood Warning | IND | Parke, Vermillion | 115 min |
| Aug 28, 3:10 PM EST | Flash Flood Warning | IND | Fountain, Montgomery | 3 hr |
| Aug 28, 3:10 PM EST | Flash Flood Warning | IND | Boone, Clinton | 3 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 1989Every severe thunderstorm warning in 1989
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.