Alert archive / Kentucky / Flash Flood Warnings in 1991
Flash Flood Warning 13, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Dec 2, 1991, 9:20 PM EST for Mason County, Kentucky. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Dec 2, 1991, 9:20 PM EST (02:20 UTC)
- Expired
- Dec 3, 1991, 12:15 AM EST
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Mason County, KY
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 00:00Z, 2.3 hours before the alert went out and 118 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 483 m²/s²
- 0-3 km storm-relative helicity
- 804 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 030220 RRA
FFWCVG
KYC161-030515-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
920 PM EST MON DEC 2 1991
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH KENTUCKY
...MASON
AT 915 PM EST THE MASON COUNTY SHERIFF REPORTED WATER OVER
BRIDGES AND SEVERAL REPORTS OF WATER OVER ROADWAYS. OVER THREE
INCHES OF RAIN HAS FALLEN IN MASON COUNTY SINCE THIS MORNING.
RADAR SHOWED A LARGE AREA OF RAIN OVER EASTERN KENTUCKY WHICH
WILL LIKELY MAKE THE FLOODING WORSE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
JNWhat 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, Dec 2, 5:54 PM EST, 3 hours 26 minutes before
OHZ008-INZ013-KYZ005-022355- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 553 PM EST MON DEC 02 1991 AT 530 THIS EVENING NATIONAL WEATHER SERVICE RADAR WAS INDICATING A LARGE AREA OF RAIN OVER ALL OF SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTHERN AND CENTRAL KENTUCKY. THE RAIN EXTENDED FROM VAN WERT OHIO...120 MILES NORTH OF CINCINNATI SOUTH TO LEXINGTON KENTUCKY. THE HEAVIEST RAINS WERE INDICATED FROM CINCINNATI SOUTH TO LAWRENCEBURG KENTUCKY. A FEW THUNDERSTORMS WITH VERY HEAVY RAIN WERE 20 MILES WEST OF LEXINGTON NEAR THE TOWNS OF FRANKFORT AND LAWRENCEBURG. INTENSITIES HAVE INCREASED SINCE 430 PM AND AREAL COVERAGE REMAINED UNCHANGED. THE RAINS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. WITH THE HEAVY RAIN...UNDERPASSES AND POORLY DRAINED STREETS MAY EXPERIENCE PONDING OF WATER. MOTORISTS ARE URGED TO SLOW DOWN AS HEAVY DOWNPOURS QUICKLY REDUCE VISIBILITIES. ALWAYS REMEMBER TO NEVER DRIVE THROUGH AREAS WHERE WATER COVERS THE ROADWAY...IT MAY BE DEEPER THAN YOU THINK. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THIS RAIN SITUATION. KEENEY
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 3, 12:02 AM EST | Flash Flood Warning | ILN | Mason | 2 hr |
Nearby
Flash Flood Warnings in Kentucky, 1991Every flash flood 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.