Alert archive / Ohio / Flash Flood Warnings in 2007

Flash Flood Warning 1, NWS Cleveland, OH

May 25, 2007Cuyahoga County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 25, 2007, 4:23 PM EDT for Cuyahoga County, Ohio. It was in force for 3 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
May 25, 2007, 4:23 PM EDT (20:23 UTC)
Expired
May 25, 2007, 7:30 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text
Flood severity
None

County Cuyahoga County, OH

The radar

The Cleveland radar (KCLE), 18 km from the middle of the area, began a volume at 20:24 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

Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 168 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 2007-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 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, Pittsburgh, PA at 12:00Z on 2007-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
245 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
36 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 252023
FFWCLE
OHC035-252330-
/X.NEW.KCLE.FF.W.0001.070525T2023Z-070525T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
423 PM EDT FRI MAY 25 2007

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CUYAHOGA COUNTY IN NORTHEAST OHIO

* UNTIL 730 PM EDT

* AT 420 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. UP TO 2.5 
INCHES OF RAIN HAS FALLEN OVER SOUTHERN CUYAHOGA COUNTY...WITH AN 
ADDITIONAL INCH POSSIBLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  STRONGSVILLE...SOLON...PARMA AND NORTH ROYALTON

DO NOT DRIVE THROUGH FLOODED ROADWAYS. TURN AROUND...DONT DROWN.

LAT...LON 4135 8138 4135 8158 4133 8159 4129 8156
      4129 8178 4129 8185 4131 8187 4134 8186
      4135 8191 4138 8194 4143 8139

$$

MRD
2 follow-up statements
000 
WGUS71 KCLE 252157
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
554 PM EDT FRI MAY 25 2007

OHC035-252330-
/X.CON.KCLE.FF.W.0001.000000T0000Z-070525T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAHOGA OH-
554 PM EDT FRI MAY 25 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR 
CUYAHOGA COUNTY...

ALTHOUGH MOST OF THE HEAVY RAIN HAS MOVED OUT OF THE REGION...LAW 
ENFORCEMENT CONTINUES TO REPORT HIGH WATER ON SOME ROADWAYS ACROSS 
SOUTHERN CUYAHOGA COUNTY NEAR STRONGVILLE AND NORTH ROYALTON. UP TO 
3 INCHES OF RAIN FELL IN THIS AREA BETWEEN 330 PM AND 530 PM. IN 
ADDITION...HIGH WATER IS POSSIBLE ACROSS EASTERN CUYAHOGA COUNTY 
NEAR UNIVERSITY HEIGHTS WHERE UP TO 2 INCHES OF RAIN FELL.

NO ADDITIONAL HEAVY RAIN IS EXPECTED THIS EVENING...HOWEVER SOME 
RESIDUAL FLOODING OF ROADS AND SMALL STREAMS MAY CONTINUE THROUGH 
730 PM.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

LAT...LON 4135 8138 4135 8158 4133 8159 4129 8156
      4129 8178 4129 8185 4131 8187 4134 8186
      4135 8191 4138 8194 4143 8139

$$

MRD
000 
WGUS71 KCLE 252304
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
703 PM EDT FRI MAY 25 2007

OHC035-252313-
/X.CAN.KCLE.FF.W.0001.000000T0000Z-070525T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAHOGA OH-
703 PM EDT FRI MAY 25 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CUYAHOGA 
COUNTY...

ALL RAIN HAS EXITED THE AREA AND FLOODING HAS SUBSIDED. 
THEREFORE...THE FLASH FLOOD WARNING IS CANCELLED. A FEW DITCHES OR 
SMALL STREAMS MAY CONTINUE TO SEE HIGH WATER...BUT THE FLASH 
FLOODING THREAT HAS ENDED.

LAT...LON 4135 8138 4135 8158 4133 8159 4129 8156
      4129 8178 4129 8185 4131 8187 4134 8186
      4135 8191 4138 8194 4143 8139

$$

MRD

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 3:36 PM EDTMarine Weather StatementCLE114 min
May 25, 3:44 PM EDTSevere Thunderstorm WarningCLELorain31 min
May 25, 4:05 PM EDTSevere Thunderstorm WarningCLEPortage25 min
May 25, 4:28 PM EDTSevere Thunderstorm WarningCLETrumbull38 min
May 25, 4:30 PM EDTSevere Thunderstorm WarningCLECuyahoga45 min

Nearby

Flash Flood Warnings in Ohio, 2007Every flash flood warning in 2007

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.