Alert archive / Kentucky / Flash Flood Warnings in 1998

Flash Flood Warning 9, NWS Jackson, KY

January 7, 19985 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jan 7, 1998, 6:23 PM EST for 5 counties in Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 7, 1998, 6:23 PM EST (23:23 UTC)
Expired
Jan 7, 1998, 9:30 PM EST
In force
3 hr
Issued by
NWS Jackson, KY
Area
Whole counties

Counties Bath County, KY, Menifee County, KY, Montgomery County, KY, Powell County, KY, Rowan County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.4 hours before the alert went out and 156 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 1998-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1998-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
15 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJKL 072325
FFWJKL
KYC011-065-069-109-147-165-173-197-199-203-205-231-080230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
623 PM EST WED JAN 7 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 930 PM EST (830 PM CST)
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN EAST CENTRAL KENTUCKY

   ...BATH
   ...ESTILL
   ...MENIFEE
   ...MONTGOMERY
   ...POWELL

IN NORTHEAST KENTUCKY

   ...FLEMING
   ...ROWAN

IN SOUTHEAST KENTUCKY

   ...JACKSON

IN SOUTH CENTRAL KENTUCKY

   ...MCCREARY
   ...PULASKI
   ...ROCKCASTLE
   ...WAYNE
 
AT 620 PM EST RADAR AND RAIN GAGES SHOWED WIDESPREAD RAIN CONTINUING TO
FALL OVER THE AREA. THE RAIN HAD DIMINISHED OVER THE SOUTH...HOWEVER
ALL CREEKS AND STREAMS WILL RISE FOR THE NEXT SEVERAL HOURS.

WITH ALL THE HEAVY RAIN THE FLASH FLOOD WARNINGS WILL BE EXTENDED UNTIL
930 PM EST.
 
DURING THE DARKNESS OF NIGHT...FLOOfDED SECTIONS OF ROAD MAY NOT BE
VISIBLE TO MOTORISTS. SOME ROADWAYS MAY EVEN BE CLOSED.  IN ADDITIONAL
TO THE DARKNESS...FOG WILL ONLY MAKE THE SITUATION MORE DANGEROUS.
EXERCISE CAUTION AND AS YOU TRAVEL THROUGH THE AREA.  

LEWIS

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.

NWS Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Jan 7, 2:30 PM EST, 3 hours 53 minutes earlier.

Area forecast discussion, Jan 7, 2:30 PM EST, 3 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON KY
230 PM EST WED JAN 7 1998

12Z PROG PKG SHOWS SYSTEM SLOWING DOWN WITH SIGNIFICANT MSTR
CONTINUING TO MOVE UP OVER SE KY. GOOD LIFT THROUGH 08/09Z THEN
BEGINNING DVM. THETA E RDG OVER EAST KENTUCKY TONIGHT WITH GREATER
THAN 1.0 IN PW THROUGH 08/12Z.

94E CALLING FOR FLASH FLOOD GUIDANCE TO BE EXCEEDED THROUGHOUT HSA
WITH 5 IN POSSIBLE OVER PART OF CUMBERLAND BASIN. EAST KENTUCKY
ALREADY SATURATED.

JKL 55/58/39/43 9542
LOZ 67/53/57-42 9422

MARSHALL

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 3:41 PM ESTFlash Flood WarningJKLRockcastle3 hr
Jan 7, 3:48 PM ESTFlash Flood WarningJKLPulaski97 min
Jan 7, 3:59 PM ESTFlash Flood WarningJKLPowell3 hr
Jan 7, 4:28 PM ESTFlash Flood WarningJKLBath, Montgomery3 hr
Jan 7, 4:41 PM ESTFlash Flood WarningJKLMcCreary, Wayne2 hr
Jan 7, 4:53 PM ESTFlash Flood WarningJKLEstill, Jackson2 hr
Jan 7, 4:53 PM ESTFlash Flood WarningJKLFleming, Menifee, Rowan2 hr
Jan 7, 5:16 PM ESTFlash Flood WarningJKLPulaski114 min
Jan 7, 6:23 PM ESTFlash Flood WarningJKLMcCreary, Pulaski, Wayne3 hr
Jan 7, 6:23 PM ESTFlash Flood WarningJKLFleming3 hr
Jan 7, 6:23 PM ESTFlash Flood WarningJKLJackson, Rockcastle3 hr
Jan 7, 6:23 PM ESTFlash Flood WarningJKLEstill3 hr

Nearby

Flash Flood Warnings in Kentucky, 1998Every flash flood warning in 1998

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.