Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 10, NWS Charleston, WV

May 23, 2000Perry County, Ohio

NWS Charleston, WV issued this flash flood warning at May 23, 2000, 10:36 PM EDT for Perry County, Ohio. It was in force for 2 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
May 23, 2000, 10:36 PM EDT (02:36 UTC)
Expired
May 24, 2000, 1:00 AM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Perry County, OH

The radar

The Cincinnati radar (KILN), 140 km from the middle of the area, began a volume at 02:38 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 00:00Z, 2.6 hours before the alert went out and 138 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 00:00Z on 2000-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1168 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2000-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
1168 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
321 m²/s²
Significant tornado parameter
1.8
Supercell composite
10.2

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRLX 240235
FFWRLX
OHC127-240500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1036 PM EDT TUE MAY 23 2000

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  PERRY COUNTY IN OHIO...

* UNTIL 100 AM EDT...

* AT 1030 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN MOVING THROUGH SOUTHERN PERRY
  COUNTY... MOVING SLOWLY SOUTHEAST.

* AN ADDITONAL THREE QUARTERS TO A FULL INCH OF RAIN HAS FALLEN IN
  THE LAST HOUR ACROSS THE COUNTY.  THIS WILL AGGRAVATE THE FLOODING
  SITUATION THROUGH 100 AM.  SANDBAGGING WAS BEING DONE NEAR DOTSON
  CREEK IN THEe SOUTHEASTERN PORTION OF THE COUNTY.

<<< CALL TO ACTION >>> DO NOT DRIVE INTO AREAS WHERE WATER COVERS
THE ROAD!

.END/CL

N

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 8:03 PM EDTTornado WarningRLXMorgan32 min
May 23, 8:34 PM EDTTornado WarningRLXWashington31 min
May 23, 9:06 PM EDTFlash Flood WarningRLXPerry119 min
May 23, 9:09 PM EDTSevere Thunderstorm WarningRLXWashington21 min

Nearby

Flash Flood Warnings in Ohio, 2000Every flash flood warning in 2000

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.