Alert archive / Ohio / Flash Flood Warnings in 2003

Flash Flood Warning 11, NWS Cleveland, OH

July 21, 2003Crawford County, Pennsylvania; Ashtabula County, Trumbull County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 21, 2003, 1:33 PM EDT for Crawford County, Pennsylvania; Ashtabula County, Trumbull 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: Jul 21, 2003, 1:33 PM EDT (17:33 UTC)
Expired: Jul 21, 2003, 4:30 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Whole counties

Counties Ashtabula County, OH, Trumbull County, OH, Crawford County, PA

The radar

The Cleveland radar (KCLE), 112 km from the middle of the area, began a volume at 17:33 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, 5.6 hours before the alert went out and 141 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: 1009 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 823 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 211735
FFWCLE
OHC007-155-PAC039-212030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
133 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHTABULA COUNTY IN NORTHEAST OHIO...
  TRUMBULL COUNTY IN NORTHEAST OHIO...
  CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA...

* UNTIL 430 PM EDT

* AT 128 PM EDT A TRAINED WEATHER SPOTTER REPORTED FLOODING NEAR THE 
CITY OF WARREN.  SEVERAL CARS STRANDED IN WATER HAVE BEEN REPORTED.

* SOME LOCATIONS AFFECTED INCLUDE...
  ANDOVER
  CORTLAND
  JEFFERSON
  ORWELL
  CONNEAUTVILLE
  LINESVILLE
  BRISTOLVILLE
  NORTH BLOOMFIELD
  KINSMAN

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.

$$

1 follow-up statement

000 
WGUS71 KCLE 212051
FFSCLE
OHC007-155-212245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
447 PM EDT MON JUL 21 2003

THE FLASH FLOOD WARNINGS FOR TRUMBULL AND ASHTABULA COUNTIES HAVE 
EXPIRED BUT SOME WATERWAYS AND LOW LYING AREAS MAY STILL EXPERIENCE 
HIGH WATER THIS EVENING.

WATER LEVELS REMAIN HIGH ACROSS PARTS OF TRUMBULL AND ASHTABULA 
COUNTIES BUT NO NEW FLOODING IS EXPECTED AT THIS TIME. ADDITIONAL 
SHOWERS AND THUNDERSTORMS MAY MOVE ACROSS THE AREA THIS EVENING SO 
RESIDENTS IN FLOOD PRONE AREAS SHOULD KEEP ALERT.

STAY AWAY FROM FLOODED AREAS. NEVER DRIVE THROUGH FLOODED ROADWAYS. 
THE WATER LEVEL MAY BE DEEPER THAN YOU THINK AND THE CURRENT MAY 
BE FASTER THAN YOU EXPECT.
$$

KOSARIK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 2:09 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	51 min
Jul 21, 4:38 PM EDT	Flash Flood Warning	CLE	Crawford	4 hr
Jul 21, 2:10 AM EDT	Special Marine Warning	CLE		110 min
Jul 21, 2:10 AM EDT	Special Marine Warning	CLE		110 min
Jul 21, 2:10 AM EDT	Special Marine Warning	CLE		110 min
Jul 21, 5:23 AM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 5:23 AM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 8:25 AM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wyandot	50 min
Jul 21, 8:52 AM EDT	Severe Thunderstorm Warning	CLE	Marion	38 min
Jul 21, 9:16 AM EDT	Severe Thunderstorm Warning	CLE	Crawford	44 min
Jul 21, 9:17 AM EDT	Severe Thunderstorm Warning	CLE	Morrow	43 min
Jul 21, 9:25 AM EDT	Severe Thunderstorm Warning	CLE	Knox	50 min
Jul 21, 9:34 AM EDT	Severe Thunderstorm Warning	CLE	Richland	41 min
Jul 21, 9:59 AM EDT	Severe Thunderstorm Warning	CLE	Ashland	46 min
Jul 21, 10:08 AM EDT	Severe Thunderstorm Warning	CLE	Holmes	52 min
Jul 21, 1:11 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	49 min
Jul 21, 1:36 PM EDT	Tornado Warning	CLE	Trumbull	24 min
Jul 21, 5:28 PM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 5:28 PM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 5:59 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	46 min
Jul 21, 6:11 PM EDT	Severe Thunderstorm Warning	CLE	Portage	49 min
Jul 21, 6:25 PM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 6:35 PM EDT	Severe Thunderstorm Warning	CLE	Lucas	40 min
Jul 21, 6:44 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	46 min
Jul 21, 6:56 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	49 min
Jul 21, 7:02 PM EDT	Severe Thunderstorm Warning	CLE	Stark, Summit	43 min
Jul 21, 7:08 PM EDT	Tornado Warning	CLE	Stark	37 min
Jul 21, 7:14 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa	46 min
Jul 21, 7:21 PM EDT	Flash Flood Warning	CLE	Ashtabula, Geauga, Medina, Portage, Summit, Trumbull	2 hr
Jul 21, 7:25 PM EDT	Tornado Warning	CLE	Trumbull	35 min
Jul 21, 7:41 PM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 7:56 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	49 min

Nearby

Flash Flood Warnings in Ohio, 2003 Flash Flood Warnings in Pennsylvania, 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; radar from the NEXRAD Level II archive.