Alert archive / Ohio / Flash Flood Warnings in 2008

Flash Flood Warning 6, NWS Cleveland, OH

July 3, 2008Lucas County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 3, 2008, 12:35 AM EDT for Lucas County, Ohio. It was in force for 6 hr. 1 report 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
Jul 3, 2008, 12:35 AM EDT (04:35 UTC)
Expired
Jul 3, 2008, 6:30 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Lucas County, OH

The radar

The Detroit radar (KDTX), 126 km from the middle of the area, began a volume at 04:38 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

TimeReportWhereRemark
Jul 3, 4:00 AM EDTFLASH FLOODToledo, OHLUCAS COUNTY SHERIFF REPORTED THAT SWAN CREEK IN WESTERN TOLEDO WAS OVERFLOWING AND THAT SEVERAL ROADS WERE CLOSED

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.6 hours before the alert went out and 239 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2008-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2008-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2106 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
169 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 030440
FFWCLE
OHC095-031030-
/O.NEW.KCLE.FF.W.0006.080703T0435Z-080703T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1235 AM EDT THU JUL 3 2008

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LUCAS COUNTY IN NORTHWEST OHIO...

* UNTIL 630 AM EDT

* AT 1229 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR A LINE    
  OF THUNDERSTORMS THAT WILL TRAIN ACROSS LUCAS COUNTY CONTINUING 
  UNTIL AROUND 3 AM. THIS AREA OF RAINFALL WILL MOVE TO THE SOUTH 
  AT AROUND 15 MPH WHILE INDIVIDUAL CELLS MOVE EAST AT AROUND 40 MPH. 
  RAINFALL AMOUNTS OF OF 2 TO 3 INCHES HAVE ALREADY OCCURRED WITH AN 
  ADDITIONAL 1 TO 3 INCHES POSSIBLE. AREA CREEKS WILL BE RUNNING FULL 
  AND MAY EXCEED BANKFULL LEVELS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TOLEDO...
  SYLVANIA AND OREGON

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4171 8387 4172 8347 4163 8328 4161 8356
      4157 8361 4153 8370 4148 8371 4142 8384
      4142 8387
TIME...MOT...LOC 0435Z 180DEG 0KT 4163 8377

$$
1 follow-up statement
000 
WGUS71 KCLE 030701
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
249 AM EDT THU JUL 3 2008

OHC095-031030-
/O.CON.KCLE.FF.W.0006.000000T0000Z-080703T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LUCAS OH-
249 AM EDT THU JUL 3 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR LUCAS
COUNTY...

AT 235 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT SEVERAL 
ROADS ACROSS LUCAS COUNTY WERE COVERED WITH WATER WITH THE RAMP FOR 
I475 AT COREY ROAD CLOSED IN BOTH THE EAST AND WEST BOUND DIRECTIONS. 

THUNDERSTORMS HAVE DECREASED IN COVERAGE AND INTENSITY BUT LIGHT RAINS 
CONTINUE TO FALL OVER PORTIONS OF LUCAS COUNTY. ADDITIONAL MODERATE 
TO OCCASIONALLY HEAVY RAINFALL WILL CONTINUE TO MOVE OVER THE AREA 
FROM THE WEST. RADAR AND AREA RAIN GAUGES INDICATE THAT MUCH OF LUCAS 
COUNTY HAS SEEN AT LEAST 2 INCHES OF RAINFALL WITH SEVERAL LOCATIONS 
SEEING GREATER THAN 4 INCHES. ADDITIONAL RAINFALL AMOUNTS THROUGH 6 AM 
SHOULD REMAIN BETWEEN .5 TO SLIGHTLY OVER 1 INCH. THIS WILL KEEP WATER FROM 
RECEDING MUCH THROUGH 5 AM.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TOLEDO...
OREGON...HOLLAND AND SYLVANIA AND LOCATIONS EAST OF SWANTON.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4171 8387 4172 8347 4163 8328 4161 8356
      4157 8361 4153 8370 4148 8371 4142 8384
      4142 8387
TIME...MOT...LOC 0649Z 180DEG 0KT 4163 8377

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:15 PM EDTSevere Thunderstorm WarningCLEErie, Ottawa, Sandusky45 min
Jul 2, 8:19 PM EDTSpecial Marine WarningCLE116 min
Jul 2, 9:05 PM EDTAreal Flood AdvisoryCLELucas, Wood4 hr
Jul 3, 6:19 AM EDTAreal Flood WarningCLELucas4 hr
Jul 3, 1:17 PM EDTAreal Flood AdvisoryCLECuyahoga, Summit3 hr

Nearby

Flash Flood Warnings in Ohio, 2008Every flash flood warning in 2008

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.