Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 2, NWS Cleveland, OH

April 20, 2000Wood County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 20, 2000, 11:30 AM EDT for Wood 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
Apr 20, 2000, 11:30 AM EDT (15:30 UTC)
Expired
Apr 20, 2000, 1:30 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Wood County, OH

The radar

The Cleveland radar (KCLE), 147 km from the middle of the area, began a volume at 15:34 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

Detroit, MI (KDTX), launched 12:00Z, 3.5 hours before the alert went out and 152 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, Detroit, MI at 12:00Z on 2000-04-20Temperature 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, Detroit, MI at 12:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 277 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
277 m²/s²
0-3 km storm-relative helicity
333 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 KCLE 201537
FFWCLE
OHC173-201730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1130 AM EDT THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 130 PM EDT

* AT 1123 AM EDT WEATHER SERVICE RADAR INDICATED A PERSISTENT LINE 
OF SHOWERS AND THUNDERSTORMS EXTENDING FROM JUST SOUTH OF TOLEDO TO 
SOUTH OF DEFIANCE. RAINFALL AMOUNTS ACROSS WOOD COUNTY WERE ESTIMATED 
FROM ONE TO TWO INCHES FROM CUSTAR TO NORTH OF BOWLING GREEN.  MORE 
HEAVY RAIN IS EXPECTED UNTIL 1 PM AND FLOODING IS LIKELY IN POOR 
DRAINAGE AND LOW-LYING AREAS.

* SOME LOCATIONS AFFECTED INCLUDE BY THE FLOODING INCLUDE...
  WESTON
  PERRYSBURG
  BOWLING GREEN

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. 

LAPLANTE

$$Z

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 5:11 PM EDTSevere Thunderstorm WarningCLERichland49 min
Apr 20, 5:28 PM EDTFlash Flood WarningCLELucas, Wood3 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.