Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 31, NWS Cleveland, OH

August 23, 2000Crawford County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 23, 2000, 10:32 PM EDT for Crawford County, Ohio. It was in force for 118 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
Aug 23, 2000, 10:32 PM EDT (02:32 UTC)
Expired
Aug 24, 2000, 12:30 AM EDT
In force
118 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.5 hours before the alert went out and 175 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 2000-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 758 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 00:00Z on 2000-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
758 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 240233
FFWCLE
OHC033-240430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1032 PM EDT WED AUG 23 2000

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1230 AM EDT

* AT 1028 PM EDT WEATHER SERVICE RADAR INDICATED...THUNDERSTORMS     
  WITH VERY HEAVY RAIN MOVING ACROSS NORTHERN CRAWFORD COUNTY AROUND 
  NEW WASHINGTON AND CHATFIELD.  RADAR ESTIMATES THAT UP TO 6 INCHES 
  OF RAIN HAS FALLEN IN THIS AREA.  ANOTHER 1 TO 2 INCHES OF RAIN IS 
  EXPECTED THROUGH MIDNIGHT AND WILL LIKELY CAUSE FLOODING TO OCCUR.

* SOME LOCATIONS AFFECTED INCLUDE...
  NEW WASHINGTON
  CHATFIELD
  
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
$$

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 8:14 PM EDTFlash Flood WarningCLEAshland, Richland2 hr
Aug 23, 9:16 PM EDTFlash Flood WarningCLEHuron, Seneca119 min
Aug 23, 10:12 PM EDTFlash Flood WarningCLEAshland, Richland2 hr
Aug 23, 11:16 PM EDTFlash Flood WarningCLEHuron, Seneca119 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.