Alert archive / Ohio / Flash Flood Warnings in 2005

Flash Flood Warning 20, NWS Cleveland, OH

August 20, 2005Cuyahoga County, Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 20, 2005, 4:34 PM EDT for Cuyahoga County, Lorain County, Ohio. It was in force for 116 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 20, 2005, 4:34 PM EDT (20:34 UTC)
Expired
Aug 20, 2005, 6:30 PM EDT
In force
116 min
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

Counties Cuyahoga County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 8 km from the middle of the area, began a volume at 20:34 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.

What was reported inside it

TimeReportWhereRemark
Aug 20, 5:00 PM EDTFLASH FLOODElyria, OHA FOOT AND A HALF OF WATER ON ROADS. A FEW CARS FLOATING NEAR MIDWAY MALL.
Aug 20, 6:00 PM EDTFLASH FLOODNorth Olmsted, OHWATER UP TO WINDOWS ON A FEW HOUSES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.6 hours before the alert went out and 187 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, Pittsburgh, PA at 12:00Z on 2005-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Pittsburgh, PA at 12:00Z on 2005-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 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
922 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
51 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 202035
FFWCLE
OHC035-093-202230-

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LORAIN COUNTY IN NORTH CENTRAL OHIO
  CUYAHOGA COUNTY IN NORTHEAST OHIO

* UNTIL 630 PM EDT

* AT 429 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 
IN ELYRIA. FLOODING OF URBAN AREAS AND POOR DRAINAGE AREAS WILL 
OCCUR WITH HEAVY THUNDERSTORM RAINS. 

* LOCATIONS WITHIN THE WARNED AREA INCLUDE...
  WESTLAKE...
  VERMILION...
  PARMA...
  NORTH RIDGEVILLE...
  LORAIN...
  LAKEWOOD...
  GRAFTON...

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES. A RAPID 
RISE IN WATER CAN BE EXPECTED.

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 4167 8147 4143 8154 4116 8231 4145 8234

$$
2 follow-up statements
000 
WGUS71 KCLE 202111
FFSCLE

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

OHC035-093-202230-
LORAIN OH-CUYAHOGA OH-
507 PM EDT SAT AUG 20 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 630 PM EDT FOR CUYAHOGA AND
LORAIN COUNTIES...

AT 504 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING NEAR THE MIDWAY MALL IN ELYRIA. FLOODING WAS ALSO REPORTED 
ON CENTER RIDGE ROAD IN CUYAHOGA COUNTY.

THE HEAVIEST RAIN WILL CONTINUE FROM NEAR ELYRIA TO THE SOUTH SIDE 
OF CLEVELAND AS WELL AS THE EASTERN SUBURBS OF CLEVELAND BETWEEN 5 
AND 6 PM.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

LAT...LON 4167 8147 4143 8154 4116 8231 4145 8234

$$
000 
WGUS71 KCLE 202204
FFSCLE

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

OHC035-093-202230-
LORAIN OH-CUYAHOGA OH-
559 PM EDT SAT AUG 20 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 630 PM EDT FOR CUYAHOGA AND
LORAIN COUNTIES...

AT 551 PM EDT...TRAINED WEATHER SPOTTERS IN VERMILION IN NORTHWEST 
LORAIN COUNTY REPORTED TORRENTIAL RAINFALL WITH THUNDERSTORMS. THESE 
STORMS AND HEAVY RAINFALL WILL LIKELY MOVE EAST ACROSS NORTHERN 
LORAIN COUNTY. THIS IS THE SAME AREA WHERE THE HEAVY RAIN OCCURRED 
EARLIER DURING THE LATE AFTERNOON. THIS WILL CONTINUE THE FLOOD 
THREAT OVER NORTHERN AND CENTRAL LORAIN COUNTY. 

THUNDERSTORMS HAVE WEAKENED OVER CUYAHOGA COUNTY. HIGH WATER IS 
STILL LIKELY IN LOW LYING AREAS AND POOR DRAINAGE AREAS. ADDITIONAL 
HEAVY RAIN IS POSSIBLE AS THE STORMS OVER LORAIN COUNTY MOVE EAST 
BETWEEN 6 AND 7 PM.

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

LAT...LON 4167 8147 4143 8154 4116 8231 4145 8234

$$

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, 4:57 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake46 min
Aug 20, 5:53 PM EDTFlash Flood WarningCLEErie2 hr
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.