Alert archive / Kentucky / Flash Flood Warnings in 1990
Flash Flood Warning 45, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Aug 21, 1990, 5:23 PM EDT for Campbell County, Kenton County, Kentucky. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1990, 5:23 PM EDT (21:23 UTC)
- Expired
- Aug 21, 1990, 7:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Campbell County, KY, Kenton County, KY
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, 9.4 hours before the alert went out and 109 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
- 38 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 102 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 212123
FFWCVG
KYC037-117-212330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE COVINGTON KY
523 PM EDT TUE AUG 21 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN THE NORTH PART OF KENTUCKY
CAMPBELL...KENTON
AT 515 AMATER RADIO SPOTTERES REPORTED RAIN FALLING AT A RATE
OF 4 INCHES PER HOUR IN HAMILTON COUNTY OHIO AND WATER UP TO
THE BUMPERS OF CARS ON THE NORWOOD LATERAL.
THESE STORMS WILL MOVE SOUTHEAST INTO CAMPBELL AND KENTON COUNTIES
OF NORTHERN KENTUCKY BY 6 PM.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TOr RECOGNIZE
THE DANGERS OF FLOOD WATERS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
MANUELWhat forecasters said that day
The local office's own words before this flash flood 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 21, 3:43 PM EDT, 1 hour 40 minutes before
OHZ008-INZ013-KYZ005-212045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 342 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT. AT 330 PM EDT...SHOWERS AND THUNDERSTORMS...SOME OF THEM WITH VERY HEAVY RAIN...WERE OCCURRING OVER PARTS OF SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN AND CENTRAL KENTUCKY. THE SHOWERS AND THUNDERSTORMS WERE SPREAD FROM JUST NORTH OF MUNCIE INDIANA...SOUTHEAST TO NEAR LAKE CUMBERLAND KENTUCKY...IN AN AREA ABOUT 160 MILES WIDE. THEY WERE MOVING EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...STRONG WINDS...SMALL HAIL AND FREQUENT LIGHTNING. STAY TUNED TO YOUR FAVORITE RADIO STATION OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. < A FLOOD WATCH IS ALSO IN EFFECT FOR SOUTHWEST OHIO FOR TONIGHT. GOLDEN
Special weather statement, Aug 21, 5:02 PM EDT, 21 minutes before
OHZ008-INZ013-KYZ005-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 502 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT. AT 435 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER SOUTHEAST INDIANA...PARTS OF SOUTHWEST OHIO AND MUCH OF NORTHERN AND CENTRAL KENTUCKY. THE SHOWERS AND THUNDERSTORMS WERE SPREAD FROM MUNCIE INDIANA... SOUTHWEST TO JACKSON KENTUCKY...IN AN AREA ABOUT 150 MILES WIDE. THE STORMS WERE MOVING EAST AT ABOUT 20 MILES AN HOUR. RAINFALL AMOUNTS WITH THE THUNDERSTORMS HAVE RANGED FROM ONE TO TWO INCHES...ALONG WITH VISIBILITIES OF ZERO IN HEAVY RAIN. THESE STORMS CAN ALSO CAUSE STRONG WINDS...HAIL AND FREQUENT LIGHTNING. < STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE RADIO STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. A FLOOD WATCH IS ALSO IN EFFECT FOR SOUTHWEST OHIO FOfR TONIGHT. GOLDEN
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 5:06 PM EDT | Flash Flood Warning | ILN | Boone | 69 min |
Nearby
Flash Flood Warnings in Kentucky, 1990Every flash flood 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.