Alert archive / Kentucky / Flash Flood Warnings in 1990
Flash Flood Warning 20, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Dec 18, 1990, 1:45 PM EST for Jackson County, Kentucky. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 18, 1990, 1:45 PM EST (18:45 UTC)
- Expired
- Dec 18, 1990, 6:00 PM EST
- In force
- 4 hr
- Issued by
- NWS Jackson, KY
- Area
- Whole counties
County Jackson 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 12:00Z, 6.8 hours before the alert went out and 169 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
- 573 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- -109 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 18, 7:50 AM EST, 5 hours 55 minutes before
KYZ008-181400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 745 AM EST TUE DEC 18 1990 ...FLASH FLOOD WATCH IN EFFECT FOR ALL OF SOUTHEAST KENTUCKY... A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST KENTUCKY TODAY. NO FLOODING HAS BEEN REPORTED ACROSS THE COALFIELDS...BUT THE COMBIN- ATION OF HEAVY RAIN FALLING ON SATURATED GROUND WILL RESULT IN RAPID RUN-OFF CAUSING FLOODING OF CREEKS AND LOW LYING AREAS. AT 745 THIS MORNING...A LARGE AREA OF MODERATE TO HEAVY RAIN WAS MOVING THROUGH THE NORTHERN AND WESTERN COUNTIES OF SOUTHEAST KENTUCKY. THE HEAVIEST RAIN WAS IN JACKSON COUNTY...ABOUT 25 MILES WEST OF JACKSON. THE RAIN WAS MOVING EAST AT 30 MILES AN HOUR. . SOUTHEAST KENTUCKY RESIDENTS SHOULD WATCH WATER LEVELS CLOSLY TODAY...ESPECIALLY IF YOU LIVE IN AN AREA THAT IS PRONE TO FLOODING. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION AND BE PREPARED TO MOVE TO HIGHER GROUND IF A WARNING IS ISSUED OR IF FLOODING IS OBSERVED. ADDINGTON
Special weather statement, Dec 18, 8:50 AM EST, 4 hours 55 minutes before
KYZ008-181500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 845 AM EST TUE DEC 18 1990 ...FLASH FLOOD WATCH IN EFFECT FOR ALL OF SOUTHEAST KENTUCKY... A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST KENTUCKY TODAY. NO FLOODING HAS BEEN REPORTED ACROSS THE COALFIELDS BUT MANY CREEKS AND RIVERS ARE NEAR BANKFULL. SOME AREAS HAVE ALREADY RECEIVED MORE THAN 2 INCHES OF RAIN DURING THE PAST 24 HOURS...AND THE COMBINATION OF HEAVY RAIN ON SATURATED GROUND WILL RESULT IN RAPID RUN-OFF CAUSING FLOODING OF CREEKS AND RIVERS. AT 845 THIS MORNING...A LARGE AREA OF MODERATE TO HEAVY RAIN WAS MOVING THROUGH THE NORTHERN AND WESTERN COUNTIES OF SOUTHEAST KENTUCKY. THE HEAVIEST RAIN WAS IN JACKSON COUNTY...ABOUT 25 MILES WEST OF JACKSON. THE RAIN WAS MOVING EAST AT 30 MILES AN HOUR. SOUTHEAST KENTUCKY RESIDENTS SHOULD WATCH WATER LEVELS CLOSLY TODAY...ESPECIALLY IF YOU LIVE IN AN AREA THAT IS PRONE TO FLOODING. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION AND BE PREPARED TO MOVE TO HIGHER GROUND IF A WARNING IS ISSUED OR IF FLOODING IS OBSERVED. ADDINGTON
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 9:39 AM EST | Flash Flood Warning | JKL | Jackson | 8 hr |
| Dec 18, 11:23 AM EST | Flash Flood Warning | JKL | Lewis | 4 hr |
| Dec 18, 1:39 PM EST | Flash Flood Warning | JKL | Lewis | 4 hr |
| Dec 18, 3:19 PM EST | Flash Flood Warning | JKL | Johnson | 3 hr |
| Dec 18, 3:55 PM EST | Flash Flood Warning | JKL | Jackson | 6 hr |
| Dec 18, 4:55 PM EST | Flash Flood Warning | JKL | Boyd, Carter, Greenup, Lewis | 3 hr |
| Dec 18, 4:55 PM EST | Flash Flood Warning | JKL | Johnson, Lawrence, Martin | 3 hr |
| Dec 18, 4:55 PM EST | Flash Flood Warning | JKL | Elliott | 3 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.