Alert archive / Ohio / Flash Flood Warnings in 2004

Flash Flood Warning 15, NWS Cleveland, OH

May 22, 2004Portage County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 22, 2004, 2:21 AM EDT for Portage County, Ohio. It was in force for 4 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: May 22, 2004, 2:21 AM EDT (06:21 UTC)
Expired: May 22, 2004, 6:15 AM EDT
In force: 4 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

County Portage County, OH

The radar

The Cleveland radar (KCLE), 62 km from the middle of the area, began a volume at 06:23 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 00:00Z, 6.4 hours before the alert went out and 253 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 984 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KCLE 220623
FFWCLE
OHC133-221015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
221 AM EDT SAT MAY 22 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 615 AM EDT

* AT 218 AM EDT WEATHER SERVICE RADAR INDICATED A BAND OF          
THUNDERSTORMS FROM PORTAGE COUNTY WEST TO LORAIN COUNTY. THE 
THUNDERSTORMS WERE MOVING EAST AT 30 MPH. RAINFALL AMOUNTS COULD 
EXCEED TWO INCHES. THE GROUND IS SATURATED FROM THE RECENT HEAVY 
RAIN.

* SOME LOCATIONS AFFECTED INCLUDE...
  GARRETTSVILLE
  KENT
  MANTUA
  RAVENNA
  STREETSBORO

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.

$$

1 follow-up statement

000 
WGUS71 KCLE 221018
FFSCLE
OHC133-221115-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
615 AM EDT SAT MAY 22 2004

...THE FLASH FLOOD WARNING FOR PORTAGE COUNTY HAS EXPIRED...

AT 615 AM...WEATHER SERVICE RADAR SHOWED THE THUNDERSTORMS WHICH 
BROUGHT HEAVY RAIN AND FLASH FLOODING ACROSS THE REGION HAD MOVED 
EAST AND WEAKENED.  THIS BREAK IN THE RAIN WILL ALLOW THE FLOOD 
WATERS TO BEGIN TO RECEED DURING THE MORNING HOURS.  

THERE IS STILL A CHANCE OF THUNDERSTORMS THROUGH THE DAY.  SINCE THE 
GROUND IS SATURATED...ANY HEAVY RAIN WILL CAUSE ADDITIONAL FLOODING. 
RESIDENTS IN FLOOD PRONE AREAS SHOULD REMAIN ALERT.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 12:13 AM EDT	Special Marine Warning	CLE		2 hr
May 22, 12:13 AM EDT	Special Marine Warning	CLE		2 hr
May 22, 12:13 AM EDT	Special Marine Warning	CLE		2 hr
May 22, 12:25 AM EDT	Severe Thunderstorm Warning	CLE	Medina	65 min
May 22, 12:35 AM EDT	Severe Thunderstorm Warning	CLE	Summit	55 min
May 22, 1:00 AM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain	60 min
May 22, 1:04 AM EDT	Severe Thunderstorm Warning	CLE	Stark	41 min
May 22, 1:29 AM EDT	Severe Thunderstorm Warning	CLE	Summit	61 min
May 22, 1:51 AM EDT	Severe Thunderstorm Warning	CLE	Portage	54 min
May 22, 1:58 AM EDT	Flash Flood Warning	CLE	Summit	4 hr
May 22, 2:04 AM EDT	Flash Flood Warning	CLE	Cuyahoga, Lorain, Medina	4 hr
May 22, 3:08 AM EDT	Flash Flood Warning	CLE	Mahoning	4 hr
May 22, 2:15 PM EDT	Tornado Warning	CLE	Ashtabula	30 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.