Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Apr 23, 1991, 9:03 PM EDT for Boone County, Kenton County, Kentucky; Hamilton County, Ohio. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 23, 1991, 9:03 PM EDT (01:03 UTC)
- Expired
- Apr 23, 1991, 9:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Boone County, KY, Kenton County, KY, Hamilton County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 23, 9:20 PM EDT | Thunderstorm Wind 0 | Hamilton, OH |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 1.1 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 196 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 KCVG 240103
SVRCVG
KYC015-117-OHC061-240130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
903 PM EDT TUE APR 23 1991
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH KENTUCKY
...BOONE...KENTON
IN SOUTHWEST OHIO
...HAMILTON
AT 900 PM EDT STORNG WINDS WERE OCCURRING IN SOUTHWEST OHIO AND
NORTHERN KENTUCKY. WINDS GUSTED TO 52 MILES AN HOUR AT THE GREATER
CINCINNATI AIRPORT AT 858 PM. NATIONAL WEATHER SERVICE RADAR SHOWED A
LINE OF POSSIBLE SEVERE THUNDERSTORMS FROM HAMILTON COUNTY OF
SOUTHWEST OHIO TO BOONE COUNTY KENTUCKY.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS F{LOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
JNWhat 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, Apr 23, 8:12 PM EDT, 51 minutes before
OHZ005-010-240140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 812 PM EDT TUE APR 23 1991 AT 810 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS OVER INDIANA BETWEEN MUNCIE AND LOUISVILLE. THE LINE OF SHOWERS AND THUNDERSTORMS WERE PART OF A 25 TO 35 MILE WIDE AREA THAT EXTENDED FROM WESTERN VAN WERT COUNTY TO SOUTHWEST OF LOUISVILLE. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 35 TO 40 MPH AND SHOULD MOVE TO NEAR A KENTON DAYTON LINE BY 900 PM EDT. BRIEF HEAVY RAIN...WIND GUSTS TO NEAR 50 MPH...AND PEA SIZE HAIL HAD BEEN REPORTED WITH SOME OF THESE STORMS AS THEY MOVED ACROSS INDIANA. PEOPLE LIVING IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. TORRENCE
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 9:17 PM EDT | Severe Thunderstorm Warning | ILN | Campbell | 43 min |
| Apr 23, 9:42 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 48 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 1991Severe Thunderstorm Warnings in Ohio, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.