Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 8, NWS Wilmington, OH

January 3, 2000Ross County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jan 3, 2000, 9:38 PM EST for Ross 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 3, 2000, 9:38 PM EST (02:38 UTC)
Expired
Jan 4, 2000, 12:10 AM EST
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Ross County, OH

The radar

The Cincinnati radar (KILN), 66 km from the middle of the area, began a volume at 02:40 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 65 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 2000-01-04Temperature 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°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 2000-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
251 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 KILN 040236
FFWILN
OHC141-040510-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
938 PM EST MON JAN 3 2000

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ROSS COUNTY IN CENTRAL OHIO.

* EFFECTIVE UNTIL 1210 AM EST.

* SOME CITIES AFFECTED
  AUSTIN
  FRANFORT
  GREENLAND
  CLARKSBURG
  CHILLICOTHE

* HEAVY RAIN HAS FALLEN OVER NORTHERN ROSS COUNTY AND POINTS NORTH.
  THIS HAS SET UP A FAVORABLE SITUATION FOR FLOODING ALONG CREEKS
  AND LOW LYING AREAS OVER ESPECIALLY NORTHERN ROSS COUNTY.
  ADDITIONAL RAINFALL OF AN INCH IS LIKELY.

IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND
TO ESCAPE F"LOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING
WHEN WATER BEGINS RISING.

.END/TIPTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 7:17 PM ESTFlash Flood WarningILNFayette, Madison, Pickaway4 hr
Jan 3, 7:47 PM ESTFlash Flood WarningILNFairfield, Franklin4 hr
Jan 3, 9:07 PM ESTFlash Flood WarningILNBrown, Highland3 hr

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.