Alert archive / Ohio / Flash Flood Warnings in 2005

Flash Flood Warning 21, NWS Cleveland, OH

August 20, 2005Erie County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 20, 2005, 5:53 PM EDT for Erie 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 outline as issued.

The facts

Issued
Aug 20, 2005, 5:53 PM EDT (21:53 UTC)
Expired
Aug 20, 2005, 8:00 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Erie County, OH

The radar

The Cleveland radar (KCLE), 55 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 167 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 2005-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Detroit, MI at 12:00Z on 2005-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
13 J/kg
Mixed-layer CIN
-313 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
13 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 202155
FFWCLE
OHC043-210000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
553 PM EDT SAT AUG 20 2005

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ERIE COUNTY IN NORTH CENTRAL OHIO

* UNTIL 800 PM EDT

* AT 550 PM...DOPPLER RADAR SHOWED HEAVY THUNDERSTORMS OVER THE 
NORTHEAST HALF OF THE COUNTY. AT 551 PM EDT...TRAINED WEATHER 
SPOTTERS REPORTED VERY HEAVY RAINFALL IN VERMILION WITH SIGNIFICANT 
STREET FLOODING.

* LOCATIONS WITHIN THE WARNED AREA INCLUDE...
  HURON...
  BERLIN HEIGHTS...

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH 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 FLASH FLOODING. THE WORST FLOODING IS 
LIKELY EAST OF MILAN AND FROM AROUND INTERSTATE 90 NORTH TO THE LAKE.

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. TURN AROUND...DONT DROWN

LAT...LON 4145 8236 4129 8236 4130 8276 4139 8274

$$
1 follow-up statement
000 
WGUS71 KCLE 202358
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
755 PM EDT SAT AUG 20 2005

OHC043-210005-
ERIE OH-
755 PM EDT SAT AUG 20 2005

...THE FLASH FLOOD WARNING FOR ERIE COUNTY OHIO WILL BE ALLOWED TO 
EXPIRE AT 800 PM EDT...

THE HEAVY RAINFALL THAT PROMPTED THE FLASH FLOOD WARNING HAS COME TO 
AN END AND FLOOD WATERS HAVE RECEDED.  THERE MAY STILL BE STANDING 
WATER AND MINOR FLOODING ON RURAL ROADWAYS.  USE CAUTION IF 
DRIVING...AND DO NOT DRIVE YOUR CARS INTO HIGH WATER.

LAT...LON 4145 8236 4129 8236 4130 8276 4139 8274

$$

LEINS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 2:18 PM EDTSevere Thunderstorm WarningCLESummit, Wayne47 min
Aug 20, 2:50 PM EDTSevere Thunderstorm WarningCLEStark43 min
Aug 20, 3:09 PM EDTSevere Thunderstorm WarningCLEAshland, Huron61 min
Aug 20, 3:22 PM EDTSevere Thunderstorm WarningCLEMarion56 min
Aug 20, 3:26 PM EDTSevere Thunderstorm WarningCLELorain64 min
Aug 20, 3:29 PM EDTSpecial Marine WarningCLE91 min
Aug 20, 3:38 PM EDTSevere Thunderstorm WarningCLEMedina67 min
Aug 20, 3:57 PM EDTSevere Thunderstorm WarningCLEMorrow47 min
Aug 20, 4:01 PM EDTSevere Thunderstorm WarningCLEKnox, Richland59 min
Aug 20, 4:11 PM EDTSevere Thunderstorm WarningCLECuyahoga70 min
Aug 20, 4:20 PM EDTTornado WarningCLEMedina28 min
Aug 20, 4:27 PM EDTSevere Thunderstorm WarningCLELorain51 min
Aug 20, 4:33 PM EDTSpecial Marine WarningCLE87 min
Aug 20, 4:34 PM EDTFlash Flood WarningCLECuyahoga, Lorain116 min
Aug 20, 4:57 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake46 min
Aug 20, 6:29 PM EDTFlash Flood WarningCLECuyahoga, Lorain2 hr

Nearby

Flash Flood Warnings in Ohio, 2005Every flash flood warning in 2005

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.