Alert archive / Kentucky / Flash Flood Warnings in 1990
Flash Flood Warning 42, NWS Louisville, KY
NWS Louisville, KY issued this flash flood warning at Dec 23, 1990, 4:05 AM EST for 4 counties in Kentucky. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 1990, 4:05 AM EST (09:05 UTC)
- Expired
- Dec 23, 1990, 8:00 AM EST
- In force
- 4 hr
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Bath County, KY, Menifee County, KY, Montgomery County, KY, Powell 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
Huntington/Tri S, WV (KHTS), launched 00:00Z, 9.1 hours before the alert went out and 119 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
- 7 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 676 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 122 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 KLEX 230905 FFWLEX KYC011-165-173-197-231300- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE LEXINGTON KY 405 AM EST SUN DEC 23 1990 THE NATIONAL WEATHER SERVICE IN LEXINGTON HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 800 AM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL KENTUCKY ...BATH COUNTY...MENIFEE COUNTY...MONTOGOMERY COUNTY...POWELL COUNT PERIODS OF HEAVY RAIN CONTINUED TO MOVE OVER THE COUNTIES OF POWELL...MENIFEE...MONTGOMERY AND BATH THIS MORNING AT 4 AM. JUST ABOUT ALL OF THE CREEKS AND STREAMS WERE AT BANKFUL AND MANY WERE ALREADY OUT OF THEIR BANKS. SEVERAL STREETS WERE ALREADY BECOMING COVERED BY RISING WATER. ALL CREEKS IN POWELL COUNTY WERE REPORTED OUT OF THEIR BANKS ALONG WITH MANY CITY STREETS AFFECTED BY SLOWLY DRAINING SEWAGE SYSTEMS. MORE RAIN IS EXPECTED FOR THE NEXT SEVERAL HOURS OVER THESE AREAS...POSSIBLY HEAVY AT TIMES. 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. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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 QUICKLY. MOVE TO HIGHER GROUND. ULLOM
What 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 22, 10:52 PM EST, 5 hours 13 minutes before
KYZ007-230500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 1050 PM EST SAT DEC 22 1990 ...AREAS OF MODERATE RAIN MOVING INTO EAST CENTRAL KENTUCKY... ...PATCHY DENSE FOG CONTINUES... AT 1045 PM EST WEATHER SERVICE RADAR WAS SHOWING AN AREA OF MODERATE RAIN IN SOUTHERN BATH...MONTGOMERY...POWELL...EASTERN CLARK...ESTILL...CENTRAL AND EASTERN MADISON COUNTY. ALL OF THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 20 MPH. THE AREA WILL MOVE INTO ALL OF BATH...MENIFEE... FLEMING...AND ROWAN COUNTY DURING THE NEXT ONE HOUR. IF YOU LIVE IN A FLOOD PRONE AREA...MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND IF WATER LEVELS BEGIN TO RISE. THE RAIN IS FALLING ON SATURATED GROUND AND WILL RESULT IN RAPID RUN OFF INTO ALREADY SWOLLEN CREEKS AND RIVERS. AT 1045 PM EST THE VISIBILITY AT THE NATIONAL WEATHER SERVICE OFFICE IN LEXINGTON KENTUCKY WAS 1/4 OF A MILE. COMBINED WITH THE WET ROADWAYS IT HAS CREATED VERY POOR DRIVING CONDITIONS ACROSS ALL OF EAST CENTRAL KENTUCKY. THESE CONDITIONS WILL REMAIN FOR THE REST OF TONIGHT. IF YOU MUST TRAVEL TONIGHT PLEASE ALLOW PLENTY OF EXTRA TIME AND KEEP YOUR SPEEDS LOW. ALSO USE OLNY YOUR LOW BEAM HEADLIGHTS AND LEAVE PLENTY OF DISTANCE BETWEEN YOU AND THE OTHER DRIVER. SZAPPANOS
Special weather statement, Dec 22, 11:00 PM EST, 5 hours 5 minutes before
KYZ007-230500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 1045 PM EST SAT DEC 22 1990 ...AREAS OF MODERATE RAIN MOVING INTO EAST CENTRAL KENTUCKY... ...PATCHY DENSE FOG CONTINUES... AT 1040 PM EST WEATHER SERVICE RADAR WAS SHOWING AN AREA OF MODERATE RAIN IN SOUTHERN BATH...MONTGOMERY...POWELL...EASTERN CLARK...ESTILL...CENTRAL AND EASTERN MADISON COUNTY. ALL OF THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 20 MPH. THE AREA WILL MOVE INTO ALL OF BATH...MENIFEE... FLEMING...AND ROWAN COUNTY DURING THE NEXT ONE HOUR. IF YOU LIVE IN A FLOOD PRONE AREA...MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND IF WATER LEVELS BEGIN TO RISE. THE RAIN IS FALLING ON SATURATED GROUND AND WILL RESULT IN RAPID RUN OFF INTO ALREADY SWOLLEN CREEKS AND RIVERS. AT 1045 PM EST THE VISIBILITY AT THE NATIONAL WEATHER SERVICE OFFICE IN LEXINGTON KENTUCKY WAS 1/4 OF A MILE. COMBINED WITH THE WET ROADWAYS IT HAS CREATED VERY POOR DRIVING CONDITIONS ACROSS ALL OF EAST CENTRAL KENTUCKY. THESE CONDITIONS WILL REMAIN FOR THE REST OF TONIGHT. IF YOU MUST TRAVEL TONIGHT PLEASE ALLOW PLENTY OF EXTRA TIME AND KEEP YOUR SPEEDS LOW. ALSO USE ONLY YOUR LOW BEAM HEADLIGHTS AND LEAVE PLENTY OF DISTANCE BETWEEN YOU AND THE OTHER DRIVER. SZAPPANOS
Special weather statement, Dec 22, 11:30 PM EST, 4 hours 35 minutes before
KYZ004-230615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 1125 PM EST SAT DEC 22 1990 ...WEATHER ADVISORIES FOR PARTS OF NORTH AND WEST KENTUCKY TONIGHT AND PART OF SUNDAY. A WEATHER ADVISORY REMAINS IN EFFECT FOR NORTHCENTRAL KENTUCKY... INCLUDING THE LOUISVILLE METROPOLITAN AREA...OVERNIGHT AND INTO SUNDAY MORNING. THE ADVISORY IS ALSO IN EFFECT FOR OTHER AREAS OF WEST AND NORTH KENTUCKY TONIGHT AND SUNDAY. A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WAS FALLING OVER WEST AND CENTRAL KENTUCKY. OVER NORTHCENTRAL KENTUCKY TEMPERATURES HAD REACHED THE FREEZING MARK AND ICE WAS BEGINNING TO FORM ON METAL OBJECTS. DRIVING WILL BECOME HAZARDOUS AS THE ICE FORMS ON ROADS...PARTICULARLY BRIDGES AND OVERPASSES. IF YOU ARE TRAVELLING THROUGH NORTHCENTRAL KENTUCKY OVERNIGHT OR EARLY SUNDAY MORNING...ALLOW EXTRA TIME AND CHECK ON THE LATEST WEATHER FORECASTS. KLEIN
Special weather statement, Dec 23, 1:09 AM EST, 2 hours 56 minutes before
KYZ007-230800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LEXINGTON KY 110 AM EST SUN DEC 23 1990 ...HEAVY RAIN MOVING THROUGH PARTS OF EAST CENTRAL KENTUCKY... THERE WAS RAIN FALLING OVER THE EASTERN HALF OF EAST CENTRAL KENTUCKY THIS MORNING AT 1 AM. THIS RAIN WAS GENERALLY EAST OF A LINE FROM CYNTHIANA TO LEXINGTON TO HARRODSBURG THEN SOUTH TO CAMPBELLSVILLE. THERE WERE AREAS OF HEAVIER RAIN WITH THE HEAVIEST RAIN OVER PARTS OF ESTILL...MONTGOMERY...BATH...POWELL AND MENIFEE COUNTIES. SOME OF THESE AREAS COULD DEVELOP FLASH FLOOD CONDITIONS QUICKLY IN SMALL STREAMS AND OVER AREA ROADS. TEMPERATURES WERE DROPPING STEADILY ACROSS THE REGION WITH THE READING AT THE LEXINGTON WEATHER STATION ALREADY TO 40 DEGREES. AS TEMPERATURES DROP OVERNIGHT...FREEZING PRECIPITATION WILL BEGIN TO DEVELOP ACROSS THE REGION. FREEZING PRECIPITATION WILL BE FORMING ONCE TEMPERATURES DROP TO BELOW 35 DEGREES. SLEET...FREEZING RAIN AND SNOW HAVE ALL BEEN REPORTED THIS MORNING OVER THE WESTERN HALF OF THE STATE. GROUND TEMPERATURES ARE STILL TOO WARM FOR MOST AREA ROADS TO DEVELOP A COVERING OF ICE BUT SLICK AND HAZARDOUS CONDITIONS WILL STILL EXIST. KEEP THIS IN MIND WHILE YOUR DRIVING& OVERNIGHT AROUND THE REGION AND WATCH FOR STANDING OR PONDING WATER ON ROADS AS YOU TRAVEL EAST TOWARD THE MOUNTAINS. ULLOM
Special weather statement, Dec 23, 2:09 AM EST, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LOUISVILLE KY 208 AM EST SUN DEC 23 1990 WEATHER ADVISORIES IN EFFECT FOR SOUTHERN INDIANA AND NORTH CENTRAL KY ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAYNE CLINTON AND PULASKI COUNTIES OF SOUTH CENTRAL KENTUCKY UNTIL 245 AM... AT 2AM EST...OVER SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY NUMEROUS PATCHES OF RAIN...FREEZING RAIN AND SLEET WERE IN PROGRESS. MOVEMENT OF THE PRECIPITATION WAS TO THE NORTHEAST AT AROUND 30 MPH. THERE NUMEROUS ROADS WERE REPORTED TO BE CLOSED DUE TO HIGH WATER. IF YOU LIVE NEAR SMALL STREAMS AND CREEKS OR IN A LOW LYING AREA... WATCH FOR RISING WATER LEVELS AND BE READY TO MOVE TO HIGHER GROUND. THROUGH 6 AM EST...NUMEROUS POCKETS OF RAIN...FREEZING RAIN...AND SLEET ARE EXPECTED TO CONTINUE AND TRAVEL WILL BECOME HAZARDOUS. TEMPERATURES WHICH ARE NOW MAINLY 29 TO 33 WILL FALL SEVERAL DEGREES DEGREES DURING THE NEXT FEW HOURS OVER SOUTH CENITRAL INDIANA AND NORTH CENTRAL KENTUCKY. OVER SOUTH CENTRAL KENTUCKY...THROUGH 6 AM...NUMEROUS POCKET OF RAIN WILL CONTINUE. THE TEMPERATURE WILL FALL SEVERAL DEGREES BUT REMAIN WELL ABOVE FREEZING. CONGER
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 10:50 PM EST | Flash Flood Warning | LMK | Clinton, Pulaski, Wayne | 4 hr |
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.