Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 8, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 22, 1991, 1:11 AM CST for Grayson County, Ohio County, Kentucky. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Mar 22, 1991, 1:11 AM CST (07:11 UTC)
- Expired
- Mar 22, 1991, 1:45 AM CST
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Grayson County, KY, Ohio County, KY
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 7.2 hours before the alert went out and 149 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
- 292 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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, Mar 21, 10:54 PM CST, 2 hours 17 minutes before
INZALL-220600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1155 PM EST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE OVER SOUTHWEST INDIANA AND SOUTHEAST INDIANA... THE STORMS WERE MOVING NORTHEAST. ONE STORM WILL MOVE TO ABOUT 30 MILES SOUTHWEST OF BLOOMINGTON NEAR BLOOMFIELD BY 1230 AM AND TO AROUND 10 MILES WEST OF BLOOMINGTON BY 100 AM. ANOTHER STORM WILL MOVE TO JUST SOUTH OF TERRE HAUTE BY 100 AM. BOTH STORMS WILLz HAVE DANGEROUS LIGHTNING AND HEAVY RAINFALL. SMALL HAIL IS LIKELY. THERE IS A CHANCE OF LARGER HAIL. DO NOT GO OUTSIDE TO WATCH THE LIGHTNING. STAY INDOORS AND AWAY FROM WINDOWS. REPORT ANY SEVERE WEATHER TO YOUR LOCAL POLICE. DS
Special weather statement, Mar 21, 10:57 PM CST, 2 hours 14 minutes before
INZALL-220600- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1155 PM EST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE OVER SOUTHWEST INDIANA AND SOUTHEAST ILLINOIS... THE STORMS WERE MOVING NORTHEAST. ONE STORM WILL MOVE TO ABOUT 30 MILES SOUTHWEST OF BLOOMINGTON NEAR BLOOMFIELD BY 1230 AM AND TO AROUND 10 MILES WEST OF BLOOMINGTON BY 100 AM. ANOTHER STORM WILL MOVE TO JUST SOUTH OF TERRE HAUTE BY 100 AM. BOTH STORMS WILL HAVE DANGEROUS LIGHTNING AND HEAVY RAINFALL. SMALL HAIL IS LIKELY. THERE IS A CHANCE OF LARGER HAIL. DO NOT GO OUTSIDE TO WATCH THE LIGHTNING. STAY INDOORS AND AWAY FROM WINDOWS. REPORT ANY SEVERE WEATHER TO YOUR LOCAL POLICE. } DS ...CORRECTED LEAD SENTENCE...
Special weather statement, Mar 21, 11:51 PM CST, 1 hour 20 minutes before
INZALL-220700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1248 AM EST FRI MAR 22 1991 ...STRONG THUNDERSTORMS WERE MOVING ACROSS PARTS OF WEST CENTRAL INDIANA... SOME TREES WERE REPORTED BLOWN AND QUARTER INCH HAIL WAS REPORTED JUST SOUTH OF TERRE HAUTE AT MIDNIGHT. AT 1245 AM EST THIS STORM WAS LOCATED ABOUT 40 MILES SOUTHWEST OF INDIANAPOLIS OR ABOUT 10 TO 20 MILES WEST OF MARTINSVILLE. OTHER STRONG THUNDERSTORMS WERE LOCATED ABOUT 20 MILE SOUTHWEST OF BLOOMINGTON. A THIRD AREA OF THUNDERSTORMS WERE OVER MUCH OF WEST CENTRAL INDIANA AND JUST TO THE NORTH OF INDIANAPOLIS. THESE EXTENDED FROM CLINTON TO GREENCASTLE TO JUST WEST OF NOBLESVILLE. PERSONS ACROSS CENTRAL INDIANA SHOULD BE PREPARED FOR DANGEROUS LIGHTNING AND HEAVY RAINFALL AS THESE THUNDERSTORMS MOVE THROUGH. SOME AREAS MAY ALSO EXPERIENCE SMALL HAIL. DO NOT GO OUTSIDE TO WATCH THE LIGHTNING. STAY INDOORS AND AWAY FROM WINDOWS. REPORT ANY SEVERE WEATHER TO YOUR LOCAL POLICE. HENDRICKSON
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 6:51 PM CST | Severe Thunderstorm Warning | IND | Warrick | 39 min |
| Mar 21, 7:00 PM CST | Severe Thunderstorm Warning | IND | Spencer | 30 min |
| Mar 21, 7:34 PM CST | Severe Thunderstorm Warning | IND | Perry | 26 min |
| Mar 21, 9:57 PM CST | Severe Thunderstorm Warning | IND | Posey, Vanderburgh | 33 min |
| Mar 21, 9:31 PM CST | Severe Thunderstorm Warning | IND | Union | 29 min |
| Mar 22, 3:26 AM CST | Severe Thunderstorm Warning | IND | Allen, Barren | 34 min |
| Mar 22, 10:14 AM CST | Severe Thunderstorm Warning | IND | Christian | 31 min |
| Mar 22, 10:37 AM CST | Severe Thunderstorm Warning | IND | Muhlenberg, Todd | 33 min |
| Mar 22, 11:16 AM CST | Severe Thunderstorm Warning | IND | Union | 29 min |
| Mar 22, 11:47 AM CST | Flash Flood Warning | IND | Union | 28 min |
| Mar 22, 11:47 AM CST | Flash Flood Warning | IND | Henderson | 58 min |
| Mar 22, 11:47 AM CST | Severe Thunderstorm Warning | IND | Henderson, Union | 58 min |
| Mar 22, 12:47 PM CST | Flash Flood Warning | IND | Henderson, Union | 118 min |
| Mar 22, 4:54 PM CST | Flash Flood Warning | IND | Daviess, McLean | 2 hr |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1991Every severe thunderstorm warning in 1991
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.