Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 52, NWS Cleveland, OH

August 17, 1995Knox County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 17, 1995, 4:58 PM EDT for Knox County, Ohio. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 17, 1995, 4:58 PM EDT (20:58 UTC)
Expired
Aug 17, 1995, 7:00 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Knox County, OH

The radar

The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 21:00 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 9.0 hours before the alert went out and 161 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, Dayton/James M C, OH at 12:00Z on 1995-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3111 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, Dayton/James M C, OH at 12:00Z on 1995-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
3111 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 172059
FFWCLE
OHC083-172300-
 
BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
458 PM EDT THU AUG 17 1995
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...KNOX COUNTY
 
SEVERE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN ACROSS KNOX COUNTY.
STREET FLOODING WAS REPORTED IN DANVILLE OVER THE EASTERN PORTION OF THE
COUNTY.
 
DO NOT DRIVEL YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
GABRIC
&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 9:05 PM EDTSevere Thunderstorm WarningCLEFulton55 min
Aug 17, 11:19 AM EDTSevere Thunderstorm WarningCLEHenry56 min
Aug 17, 1:23 PM EDTFlash Flood WarningCLELucas2 hr
Aug 17, 1:47 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky58 min
Aug 17, 2:23 PM EDTFlash Flood WarningCLELucas, Ottawa112 min
Aug 17, 2:23 PM EDTFlash Flood WarningCLESandusky112 min
Aug 17, 2:30 PM EDTSevere Thunderstorm WarningCLEErie, Huron60 min
Aug 17, 2:49 PM EDTTornado WarningCLEErie26 min
Aug 17, 3:13 PM EDTFlash Flood WarningCLEErie, Huron2 hr
Aug 17, 3:27 PM EDTSevere Thunderstorm WarningCLELorain63 min
Aug 17, 3:32 PM EDTSevere Thunderstorm WarningCLEAshland, Richland58 min
Aug 17, 3:58 PM EDTFlash Flood WarningCLEAshland, Lorain, Richland2 hr
Aug 17, 4:18 PM EDTSevere Thunderstorm WarningCLEKnox57 min
Aug 17, 5:23 PM EDTSevere Thunderstorm WarningCLEMorrow57 min

Nearby

Flash Flood Warnings in Ohio, 1995Every flash flood warning in 1995

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.