Alert archive / Ohio / Flash Flood Warnings in 2001

Flash Flood Warning 9, NWS Wilmington, OH

May 21, 2001Adams County, Scioto County, Ohio; Lewis County, Kentucky

NWS Wilmington, OH issued this flash flood warning at May 21, 2001, 4:50 PM EDT for Adams County, Scioto County, Ohio; Lewis County, Kentucky. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 21, 2001, 4:50 PM EDT (20:50 UTC)
Expired
May 21, 2001, 6:45 PM EDT
In force
115 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Lewis County, KY, Adams County, OH, Scioto County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.8 hours before the alert went out and 90 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 2001-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1016 joules per kilogram.LCLLFCEL10008507005003002001001 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 2001-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
1016 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
129 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 212056
FFWILN
KYC135-OHC001-145-212245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
450 PM EDT MON MAY 21 2001

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING...
  LEWIS COUNTY IN KENTUCKY...
  ADAMS COUNTY IN SOUTHWEST OHIO...
  SCIOTO COUNTY IN SOUTHWEST OHIO...

* UNTIL 645 PM EDT...

* AT 450 PM...DOPPLER RADAR SHOWED AN AREA OF
  THUNDERSTORMS...CONTAINING TORRENTIAL RAIN...MOVING NORTHEAST      
  ACROSS THE WARNED AREA. RAINFALL OF 1 TO 2 INCHES IS POSSIBLE THIS 
  EVENING AS THESE STORMS PASS. THIS RAIN...ON TOP OF ALREADY        
  SATURATED GROUND...WILL QUICKLY CAUSE FLOODING PROBLEMS.   

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  CAMP DIX...
  VANCEBURG...
  LUCASVILLE...
  PEEBLES...
  PORTSMOUTH...
  SEAMAN...
  SOUTH WEBSTER...
  WEST UNION...
  
IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
$$
WHITE

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 5:27 PM EDTSevere Thunderstorm WarningILNDelaware, Licking48 min
May 21, 6:41 PM EDTFlash Flood WarningILNScioto79 min
May 21, 4:45 PM EDTSevere Thunderstorm WarningILNLewis45 min

Nearby

Flash Flood Warnings in Ohio, 2001Flash Flood Warnings in Kentucky, 2001Every flash flood warning in 2001

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.