Alert archive / Kentucky / Flash Flood Warnings in 2002

Flash Flood Warning 37, NWS Wilmington, OH

January 24, 2002Lewis County, Mason County, Robertson County, Kentucky; Adams County, Brown County, Scioto County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jan 24, 2002, 7:18 AM EST for Lewis County, Mason County, Robertson County, Kentucky; Adams County, Brown County, Scioto County, Ohio. 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 24, 2002, 7:18 AM EST (12:18 UTC)
Expired
Jan 24, 2002, 10:00 AM EST
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Lewis County, KY, Mason County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 12:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 0.3 hours before the alert went out and 82 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 2002-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2002-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
455 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
102 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 
WGUS51 KILN 241220
FFWILN
KYC135-161-201-OHC001-015-145-241500-

FLASH FLOOD WARNING...CORRECTION TO CHANGE PRODUCT IDENTIFIER
NATIONAL WEATHER SERVICE WILMINGTON OH
718 AM EST THU JAN 24 2002

...A FLASH FLOOD WARNING CONTINUES FOR MASON...LEWIS...ROBERTSON...
BROWN...ADAMS AND SCIOTO COUNTIES UNTIL 1000 AM EST...

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  LEWISBURG...
  MAYSVILLE...
  TOLLESBORO...
  VANCEBURG...
  WASHINGTON...
  ABERDEEN...
  MANCHESTER...
  RIPLEY...
  WEST UNION...

AT 640 AM EST...POLICE DISPATCH REPORTED FLOODING IN ADAMS...SCIOTO 
AND ROBERTSON COUNTIES.  NUMEROUS ROADS IN THE WARNING AREA ARE 
IMPASSABLE...AND WITH MORE RAIN ON THE WAY...CONDITIONS WILL NOT 
IMPROVE MUCH UNTIL LATE MORNING. 

NEVER ATTEMPT TO DRIVE THROUGH A FLOODED ROAD OR AROUND HIGH WATER
SIGNS. MORE THAN HALF OF FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. IT
ONLY TAKES BETWEEN ONE AND TWO FEET OF WATER TO FLOAT A CAR OR TRUCK.

$$

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 Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at Jan 24, 6:31 AM EST, 47 minutes earlier.

Area forecast discussion, Jan 24, 6:31 AM EST, 47 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
631 AM EST THU JAN 24 2002

WILL WAIT UNTIL WARNINGS HAVE EXPIRED AROUND 7 AM TO UPDATE ZONES
AND CANCEL FLOOD WATCH FOR MOST OF FA. HEAVIEST RAIN REMAINS SOUTH
AND EAST OF FA AND ONLY LIGHT PRECIP EXPECTED FOR EARLY THIS
MORNING.

HOWEVER...FLOODING IS CONTINUING IN ROBERTSON ADAMS AND SCIOTO
COUNTIES AND WILL KEEP WATCH UP FOR OUR 5 EXTREME SOUTHEASTERN
COUNTIES. ITS POSSIBLE THAT WE MAY EXTEND THE WARNINGS HERE PAST 7
AM.

.ILN...OH...FLOOD WATCH UNTIL NOON FOR ADAMS AND SCIOTO COUNTIES.
       KY...FLOOD WATCH UNTIL NOON FOR ROBERTSON MASON AND LEWIS.
       IN...NONE.

FRANKS

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 24, 1:22 AM ESTFlash Flood WarningILNLewis, Mason, Robertson3 hr
Jan 24, 3:20 AM ESTFlash Flood WarningILNOwen3 hr
Jan 24, 3:52 AM ESTFlash Flood WarningILNAdams, Brown, Scioto3 hr

Nearby

Flash Flood Warnings in Kentucky, 2002Flash Flood Warnings in Ohio, 2002Every flash flood warning in 2002

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; radar from the NEXRAD Level II archive.