Alert archive / Ohio / Flash Flood Warnings in 2007

Flash Flood Warning 26, NWS Cleveland, OH

September 8, 2007Trumbull County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 8, 2007, 8:52 PM EDT for Trumbull County, Ohio. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 8, 2007, 8:52 PM EDT (00:52 UTC)
Expired: Sep 8, 2007, 11:45 PM EDT
In force: 3 hr
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text
Flood severity: None

County Trumbull County, OH

The radar

The Cleveland radar (KCLE), 96 km from the middle of the area, began a volume at 00:56 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.

What was reported inside it

Time	Report	Where	Remark
Sep 8, 9:00 PM EDT	FLOOD	10 W Kinsman, OH	HIGH WATER WAS REPORTED ON STATE ROUTE 87 IN GREENE TOWNSHIP. DEPTH OF HIGH WATER WAS NOT REPORTED.
Sep 8, 9:00 PM EDT	FLOOD	5 W Kinsman, OH	FLOODING WAS REPORTED ON STATE ROUTE 193 THROUGH GUSTAVUS TOWNSHIP.
Sep 8, 9:00 PM EDT	FLOOD	Kinsman, OH	HIGH WATER WAS REPORTED ON NUMEROUS ROADS. DEPTH OF HIGH WATER WAS NOT REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.9 hours before the alert went out and 127 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: 1878 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 898 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 73 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 090057
FFWCLE
OHC155-090345-
/X.NEW.KCLE.FF.W.0026.070909T0052Z-070909T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
852 PM EDT SAT SEP 8 2007

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1145 PM EDT

* AT 844 PM EDT...WEATHER SERVICE RADAR IN CLEVELAND INDICATED 
BETWEEN 2 AND 4 INCHES OF RAIN HAVE FALLEN ACROSS EXTREME NORTHERN 
TRUMBULL COUNTY FROM GREEN TO GUSTAVUS TO KINSMAN THIS EVENING.   

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED MINOR FLOODING BEGINNING IN 
YARDS AND ACROSS SOME ROADS IN THE AREA INCLUDING ROUTE 193. 

MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS EVENING WITH AN 
ADDITIONAL 1 TO 3 INCHES OF RAIN POSSIBLE. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS WILL BE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4149 8082 4149 8053 4140 8053 4140 8083
TIME...MOT...LOC 0052Z 180DEG 0KT 4145 8066

$$

KING

2 follow-up statements

000 
WGUS71 KCLE 090302
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1058 PM EDT SAT SEP 8 2007

OHC155-090345-
/X.CON.KCLE.FF.W.0026.000000T0000Z-070909T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRUMBULL OH-
1058 PM EDT SAT SEP 8 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
NORTHEASTERN TRUMBULL COUNTY...

AT 1053 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 
ON NUMEROUS ROADWAYS IN EXTREME NORTHERN TRUMBULL COUNTY.  FLOODING 
WAS REPORTED ON ROUTE 193 NEAR GUSTAVUS AND ON ROUTE 87 IN GREEN.  
ALSO NUMEROUS ROADS HAD HIGH WATER IN THE TOWN OF KINSMAN. FLOODING 
WAS LIKELY OCCURRING ON OTHER HIGHWAYS IN THE AREA AS WELL.

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. MOVE TO HIGHER GROUND.

LAT...LON 4149 8082 4149 8053 4140 8053 4140 8083
TIME...MOT...LOC 0258Z 180DEG 0KT 4145 8066

$$

KING

000 
WGUS71 KCLE 090343
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1142 PM EDT SAT SEP 8 2007

OHC155-090352-
/X.EXP.KCLE.FF.W.0026.000000T0000Z-070909T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRUMBULL OH-
1142 PM EDT SAT SEP 8 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM EDT FOR
NORTHEASTERN TRUMBULL COUNTY...

LOCAL LAW ENFORCEMENT HAD INDICATED THAT THE FLOODING HAD RECEDED 
AND ALL ROADS WERE NOW PASSABLE.

LAT...LON 4149 8082 4149 8053 4140 8053 4140 8083
TIME...MOT...LOC 0342Z 180DEG 0KT 4145 8066

$$

KING

Nearby

Flash Flood Warnings in Ohio, 2007 Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.