Alert archive / Ohio / Flash Flood Warnings in 2004

Flash Flood Warning 1, NWS Cleveland, OH

May 7, 2004Marion County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 7, 2004, 12:24 PM EDT for Marion 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: May 7, 2004, 12:24 PM EDT (16:24 UTC)
Expired: May 7, 2004, 3:30 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

County Marion County, OH

The radar

The Cincinnati radar (KILN), 141 km from the middle of the area, began a volume at 16:23 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.4 hours before the alert went out and 140 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: 2 J/kg
Mixed-layer CIN: -504 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 161 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 071628
FFWCLE
OHC101-071930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1224 PM EDT FRI MAY 7 2004

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 330 PM EDT

* AT 1222 PM EDT WEATHER SERVICE RADAR INDICATED...A BAND OF 
THUNDERSTORMS WITH HEAVY RAIN CONTINUING TO MOVE EAST ACROSS MARION 
COUNTY.  RADAR ESTIMATES THAT SOME AREAS IN THE NORTHWEST PART OF 
THE COUNTY MAY HAVE ALREADY HAD AROUND TWO INCHES OF RAINFALL.  
ANOTHER HALF AN INCH TO AN INCH OF ADDITIONAL RAIN IS EXPECTED TO 
AFFECT THE AREA THROUGH 130 PM.

* SOME LOCATIONS AFFECTED INCLUDE...
  LA RUE
  MARION

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.

DO NOT LET YOUR CHILDREN PLAY NEAR DRAINAGE DITCHES, STORM SEWERS OR
STREAMS.

LISTEN TO NOAA WEATHER RADIO FOR FURTHER INFORMATION ON THE 
DANGEROUS WEATHER THIS AFTERNOON.
$$
ADAMS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 10:52 PM EDT	Special Marine Warning	CLE		83 min
May 6, 10:59 PM EDT	Special Marine Warning	CLE		2 hr
May 6, 10:59 PM EDT	Special Marine Warning	CLE		2 hr
May 7, 12:16 AM EDT	Special Marine Warning	CLE		89 min
May 7, 12:16 AM EDT	Special Marine Warning	CLE		89 min
May 7, 2:41 AM EDT	Special Marine Warning	CLE		94 min
May 7, 2:57 AM EDT	Severe Thunderstorm Warning	CLE	Lucas	48 min
May 7, 7:07 AM EDT	Severe Thunderstorm Warning	CLE	Ottawa	53 min
May 7, 7:19 AM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron	41 min
May 7, 7:27 AM EDT	Severe Thunderstorm Warning	CLE	Lorain	63 min
May 7, 7:30 AM EDT	Special Marine Warning	CLE		60 min
May 7, 7:41 AM EDT	Severe Thunderstorm Warning	CLE	Medina	64 min
May 7, 8:49 AM EDT	Severe Thunderstorm Warning	CLE	Wyandot	56 min
May 7, 10:34 AM EDT	Severe Thunderstorm Warning	CLE	Knox	56 min
May 7, 12:11 PM EDT	Severe Thunderstorm Warning	CLE	Marion	64 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.