Alert archive / Ohio / Flash Flood Warnings in 2004

Flash Flood Warning 20, NWS Cleveland, OH

June 9, 2004Geauga County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jun 9, 2004, 5:42 PM EDT for Geauga 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 counties it named.

The facts

Issued: Jun 9, 2004, 5:42 PM EDT (21:42 UTC)
Expired: Jun 9, 2004, 8:45 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

County Geauga County, OH

The radar

The Cleveland radar (KCLE), 58 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 151 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 688 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1054 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 20 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 092143
FFWCLE
OHC055-100045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
542 PM EDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 845 PM EDT

* AT 540 PM EDT WEATHER SERVICE RADAR INDICATED..

* SOME LOCATIONS AFFECTED INCLUDE...
  BURTON
  CHARDON
  CHESTERLAND
  MIDDLEFIELD
  SOUTH RUSSELL

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. THE GREATEST 
RISK FOR FLASH FLOODING IS OVER WEST CENTRAL GEAUGA COUNTY.

$$

MRD

1 follow-up statement

000 
WGUS71 KCLE 092329
FFSCLE
OHC055-100045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
727 PM EDT WED JUN 9 2004

...FLASH FLOOD WARNING IN EFFECT FOR GEAUGA COUNTY UNTIL 845 PM...

AT 720 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 1 
TO 4 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF GEAUGA COUNTY SINCE 4 
PM. RADAR INDICATED THAT THE HEAVIEST RAINFALL OCCURRED NEAR 
CHESTERLAND. LAW ENFORCEMENT IN GEAUGA COUNTY REPORTS FLOODING OF 
SEVERAL ROADWAYS ACROSS THE COUNTY. 

SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS EVENING ACROSS GEAUGA 
COUNTY. ADDITIONAL RAINFALL IS POSSIBLE THIS EVENING. USE EXTREME 
CAUTION IF DRIVING THIS EVENING. IF YOU ENCOUNTER FLOODED 
ROADWAYS...TURN AROUND. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED 
ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS.

$$

MRD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 3:07 PM EDT	Special Marine Warning	CLE		113 min
Jun 9, 3:07 PM EDT	Special Marine Warning	CLE		113 min
Jun 9, 3:07 PM EDT	Special Marine Warning	CLE		113 min
Jun 9, 4:21 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	39 min
Jun 9, 4:55 PM EDT	Severe Thunderstorm Warning	CLE	Geauga	65 min
Jun 9, 4:58 PM EDT	Special Marine Warning	CLE		2 hr
Jun 9, 4:58 PM EDT	Special Marine Warning	CLE		2 hr
Jun 9, 5:05 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	55 min
Jun 9, 5:10 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Ottawa	65 min
Jun 9, 5:32 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	58 min
Jun 9, 5:34 PM EDT	Severe Thunderstorm Warning	CLE	Summit	56 min
Jun 9, 5:51 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky	54 min
Jun 9, 5:54 PM EDT	Severe Thunderstorm Warning	CLE	Medina	66 min
Jun 9, 6:23 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Lorain	52 min
Jun 9, 7:05 PM EDT	Severe Thunderstorm Warning	CLE	Knox	35 min
Jun 9, 7:09 PM EDT	Severe Thunderstorm Warning	CLE	Huron, Richland	66 min
Jun 9, 7:12 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	48 min

Nearby

Flash Flood Warnings in Ohio, 2004 Every flash flood warning in 2004

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.