Alert archive / Ohio / Flash Flood Warnings in 2006

Flash Flood Warning 56, NWS Cleveland, OH

July 31, 2006Cuyahoga County, Geauga County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 31, 2006, 3:47 PM EDT for Cuyahoga County, Geauga County, Ohio. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 31, 2006, 3:47 PM EDT (19:47 UTC)
Expired
Jul 31, 2006, 7:45 PM EDT
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

Counties Cuyahoga County, OH, Geauga County, OH

The radar

The Cleveland radar (KCLE), 24 km from the middle of the area, began a volume at 19:46 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, 7.8 hours before the alert went out and 163 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 12:00Z on 2006-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1301 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2006-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1301 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
30 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 311950
FFWCLE
OHC035-055-312345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
347 PM EDT MON JUL 31 2006

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CUYAHOGA COUNTY IN NORTHEAST OHIO
  EXTREME SOUTHWESTERN GEAUGA COUNTY IN NORTHEAST OHIO

* UNTIL 745 PM EDT

* AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAINFALL OF AROUND 2 INCHES SINCE 230 PM OVER SOUTHERN 
CUYAHOGA COUNTY IN NORTH ROYALTON. ANOTHER 1 TO 3 INCHES OF RAIN ARE 
POSSIBLE BY 5 PM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOLON...  
PARMA AND NORTH ROYALTON AND BROADVIEW HEIGHTS.

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 ARE 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. TURN AROUND...DONT DROWN

LAT...LON 4140 8174 4141 8170 4141 8134 4140 8135
      4135 8135 4135 8158 4132 8160 4128 8156
      4128 8179

$$

LAPLANTE
2 follow-up statements
000 
WGUS71 KCLE 312029
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
428 PM EDT MON JUL 31 2006

OHC055-312038-
GEAUGA OH-
428 PM EDT MON JUL 31 2006

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GEAUGA COUNTY...

LAT...LON 4139 8174 4141 8169 4141 8139 4136 8139
      4136 8156 4132 8160 4130 8156 4130 8177

$$
WCR
000 
WGUS71 KCLE 312345
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
739 PM EDT MON JUL 31 2006

OHC035-312355-
CUYAHOGA OH-
744 PM EDT MON JUL 31 2006

...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM EDT FOR SOUTHERN 
CUYAHOGA COUNTY...

THE HEAVY RAIN HAS LONG SINCE ENDED AND THE FLOODWATERS AROUND 
BROADVIEW HEIGHTS AND NEARBY COMMUNITIES HAVE RECEDED SO THE FLASH 
FLOOD WARNING WILL BE ALLOWED TO EXPIRE.

MOTORISTS MAY STILL WANT TO WATCH FOR POSSIBLE HIGH WATER AROUND 
STREAMS AND CREEKS FOR A FEW MORE HOURS.


LAT...LON 4140 8174 4141 8170 4141 8134 4140 8135
      4135 8135 4135 8158 4132 8160 4128 8156
      4128 8179

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 8:10 PM EDTSevere Thunderstorm WarningCLEMahoning65 min
Jul 31, 12:47 AM EDTFlash Flood WarningCLEAshtabula4 hr
Jul 31, 6:52 AM EDTSpecial Marine WarningCLE83 min
Jul 31, 4:18 PM EDTFlash Flood WarningCLESummit4 hr
Jul 31, 4:26 PM EDTSevere Thunderstorm WarningCLESummit64 min
Jul 31, 4:50 PM EDTSevere Thunderstorm WarningCLEStark70 min
Jul 31, 5:47 PM EDTSevere Thunderstorm WarningCLEMahoning38 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.