Alert archive / Ohio / Flash Flood Warnings in 2006

Flash Flood Warning 39, NWS Cleveland, OH

July 22, 2006Knox County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 22, 2006, 3:48 AM EDT for Knox 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 22, 2006, 3:48 AM EDT (07:48 UTC)
Expired
Jul 22, 2006, 9:45 AM EDT
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Knox County, OH

The radar

The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 07:49 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 22, 4:00 AM EDTFLASH FLOODDanville, OHSTREAM OVER FLOWED ITS BANKS AND FLOWED ACROSS ROADWAY AND WAS ONE FOOT DEEP.

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, 7.8 hours before the alert went out and 189 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, Pittsburgh, PA at 00:00Z on 2006-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 719 joules per kilogram.LCLLFCEL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 2006-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
719 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 220751
FFWCLE
OHC083-221345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
348 AM EDT SAT JUL 22 2006

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 945 AM EDT

* AT 338 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM HEAVY RAIN OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GAMBIER AND
  DANVILLE.  FLOODING OF THE KOKOSING RIVER AND JELLOWAY CREEK CAN
  BE EXPECTED FROM THE HEAVY RAIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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.

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. TURN AROUND...DONT DROWN

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
CLEVELAND.

LAT...LON 4025 8247 4024 8219 4056 8219 4056 8234

$$

LOMBARDY
2 follow-up statements
000 
WGUS71 KCLE 221140
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
738 AM EDT SAT JUL 22 2006

OHC083-221345-
KNOX OH-
738 AM EDT SAT JUL 22 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
EASTERN KNOX COUNTY...

AT 731 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE MODERATE RAIN PRODUCING FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DANVILLE.  
THE SHERIFF REPORTED THAT A STREAM HAD RISEN OUT OF ITS BANKS AND 
WAS FLOWING ACROSS A ROADWAY IN DANVILLE.  THE STREAMS AND CREEKS 
WERE BEGINNING TO RECEDE.

DO NOT GO NEAR FAST MOVING STREAMS.  NEVER DRIVE THROUGH FLOODED 
ROADWAYS.  TURN AROUND DONT DROWN AND FIND ANOTHER ROUTE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
CLEVELAND.

LAT...LON 4025 8247 4024 8219 4056 8219 4056 8234

$$

LOMBARDY
000 
WGUS71 KCLE 221347
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
947 AM EDT SAT JUL 22 2006

OHC083-221349-
KNOX OH-
947 AM EDT SAT JUL 22 2006

...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 945 AM EDT 
FOR EASTERN KNOX COUNTY...

ALTHOUGH THE RAIN HAS ENDED ACROSS THE COUNTY...AREAS OF HIGH WATER 
WILL CONTINUE THROUGH THE MORNING HOURS. RADAR ESTIMATES OF TWO TO 
THREE INCHES OF RAIN HAD FALLEN ACROSS KNOX COUNTY OVERNIGHT...AND A 
SPOTTER JUST SOUTH OF DANVILLE REPORTED 4.40 INCHES OF RAIN 
OVERNIGHT.

LAW ENFORCEMENT HAS REPORTED THAT AREAS OF HIGH WATER STILL EXIST 
ACROSS EASTERN PORTIONS OF THE COUNTY...PARTICULARLY ON STATE ROUTE 
62 NEAR DANVILLE. 

ALSO...THERE WAS A REPORT OF A BRIDGE ON GROVE CHURCH ROAD IN 
GAMBIER THAT WAS WASHED OUT EARLIER THIS MORNING. 


LAT...LON 4025 8247 4024 8219 4056 8219 4056 8234

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:55 AM EDTFlash Flood WatchCLEAshland, Holmes, Knox, Mahoning, Morrow, Portage and 5 more9 hr
Jul 22, 10:09 AM EDTFlash Flood WarningCLEAshtabula3 hr
Jul 22, 11:11 AM EDTFlash Flood WarningCLELake4 hr
Jul 22, 12:52 PM EDTFlash Flood WarningCLEAshtabula3 hr

Nearby

Flash Flood Warnings in Ohio, 2006Every flash flood warning in 2006

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.