Alert archive / Ohio / Flash Flood Warnings in 2003

Flash Flood Warning 20, NWS Cleveland, OH

July 22, 2003Mahoning County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 22, 2003, 9:33 PM EDT for Mahoning County, Ohio. It was in force for 6 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: Jul 22, 2003, 9:33 PM EDT (01:33 UTC)
Expired: Jul 23, 2003, 3:30 AM EDT
In force: 6 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

County Mahoning County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.6 hours before the alert went out and 88 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: 4 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 1083 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 47 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 230136
FFWCLE
OHC099-230730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
933 PM EDT TUE JUL 22 2003

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 330 AM EDT

* AT 928 PM EDT WEATHER SERVICE RADAR INDICATED SHOWERS AND 
THUNDERSTORMS WITH HEAVY RAINS ACROSS EASTERN MAHONING COUNTY. THE 
SHOWERS AND THUNDERSTORMS WERE NEARLY STATIONARY. 

* SOME LOCATIONS AFFECTED INCLUDE...
  BOARDMAN
  CAMPBELL
  YOUNGSTOWN

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. 

THE SHOWERS AND THUNDERSTORMS WILL GRADUALLY DISSIPATE OVERNIGHT. 
FLOODING MAY LINGER INTO THE MORNING HOURS IN LOW LYING AREAS AND 
ALONG WATERWAYS.

$$

KOSARIK

1 follow-up statement

000 
WGUS71 KCLE 230316
FFSCLE
OHC099-230415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1110 PM EDT TUE JUL 22 2003

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MAHONING COUNTY UNTIL 
330 AM. AT 1110 PM SHOWERS AND THUNDERSTORMS CONTINUED OVER CENTRAL 
AND EASTERN MAHONING COUNTY FROM NEAR CANFIELD TO BOARDMAN AND THE 
SOUTH SIDE OF YOUNGSTOWN. SOME STREET AND BASEMENT FLOODING WAS 
REPORTED IN THESE AREAS.

THE SHOWERS AND THUNDERSTORMS WERE NEARLY STATIONARY. AREAS THAT 
WERE GETTING HEAVY RAIN MAY SEE THE RAIN LAST FOR AN HOUR OR MORE. 
AREAS THAT GET AN EXTENDED PERIOD OF HEAVY RAIN WILL SEE FLOODING OF 
STREETS...LOW LYING AREAS AND SMALL STREAMS. 

THE SHOWERS AND THUNDERSTORMS WILL EVENTUALLY DISSIPATE DURING THE 
EARLY MORNING HOURS.
$$

KOSARIK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 2:23 PM EDT	Flash Flood Warning	CLE	Portage	3 hr
Jul 23, 5:30 PM EDT	Flash Flood Warning	CLE	Portage	3 hr

Nearby

Flash Flood Warnings in Ohio, 2003 Every flash flood warning in 2003

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.