Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 5, NWS Cleveland, OH

April 25, 2011Erie County, Huron County, Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 25, 2011, 4:52 PM EDT for Erie County, Huron County, Lorain County, Ohio. It was in force for 3 hr. 4 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
Apr 25, 2011, 4:52 PM EDT (20:52 UTC)
Expired
Apr 25, 2011, 8:00 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Erie County, OH, Huron County, OH, Lorain County, OH

The radar

The Cleveland radar (KCLE), 49 km from the middle of the area, began a volume at 20:52 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
Apr 25, 5:00 PM EDTFLASH FLOODLorain, OHFLOODING ON WEST 23RD, WEST 43RD AND GEORGIA AVE. THE WATER WAS UP TO CAR DOORS IN SOME SPOTS. ONE PERSON HAD TO ABANDON THEIR VEHICLE ON WEST 23RD.
Apr 25, 5:00 PM EDTFLASH FLOODOberlin, OHSEVERAL ROADS WERE IMPASSABLE DUE TO FLOODING.
Apr 25, 5:20 PM EDTFLASH FLOODBerlin Heights, OHFLOODING CLOSED CHAPIN ROAD AT MASON ROAD. FLOODING WAS ALSO REPORTED ON SECTION LINE 30 ROAD.
Apr 25, 5:30 PM EDTFLASH FLOOD5 E Berlin Heights, OHWATER WAS BUMPER HIGH BETWEEN FLORENCE AND BIRMINGHAM AND ROADS BIRMS WERE WASHED AWAY FROM HIGH WATER.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.9 hours before the alert went out and 183 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, Detroit, MI at 12:00Z on 2011-04-25Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2011-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939587897117Sfc1 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
890 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
90 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.

897 
WGUS51 KCLE 252052
FFWCLE
OHC043-077-093-260000-
/O.NEW.KCLE.FF.W.0005.110425T2052Z-110426T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
452 PM EDT MON APR 25 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HURON COUNTY IN NORTH CENTRAL OHIO
  LORAIN COUNTY IN NORTH CENTRAL OHIO
  SOUTHEASTERN ERIE COUNTY IN NORTH CENTRAL OHIO

* UNTIL 800 PM EDT

* AT 446 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN IN THE AREA. 
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING NEAR OBERLIN. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ELYRIA...FITCHVILLE...LORAIN...NORWALK...AMHERST...AVON LAKE...
  PLYMOUTH...VERMILION...WAKEMAN AND WILLARD.


LAT...LON 4107 8283 4116 8273 4144 8233 4144 8226
      4148 8220 4152 8197 4151 8196 4118 8221
      4099 8258 4099 8265

$$

KOSARIK
1 follow-up statement
202 
WGUS71 KCLE 252147
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
547 PM EDT MON APR 25 2011

OHC043-077-093-260000-
/O.CON.KCLE.FF.W.0005.000000T0000Z-110426T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HURON OH-LORAIN OH-ERIE OH-
547 PM EDT MON APR 25 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ERIE...
WESTERN LORAIN AND HURON COUNTIES IN NORTH CENTRAL OHIO UNTIL 800 PM
EDT...

THE FLOOD THREAT REMAINS HIGH OVER THE WARNED AREA AS RAINFALL 
CONTINUES TO FALL WITH RAINFALL RATES OF A HALF INCH PER HOUR. 
EARLIER STORMS BROUGHT AS MUCH AS 2.5 INCHES TO PORTIONS OF LORAIN 
COUNTY. LOCAL LAW ENFORCEMENT HAS REPORTED CLOSED AND IN SOME CASES 
WASHED OUT ROADS AS A RESULT OF THE FLASH FLOODING. MOTORISTS ARE 
URGED TO AVOID FLOODED ROADWAYS AND SEEK ALTERNATE ROUTES. SMALL 
STREAMS AND CREEKS WILL CONTINUE TO RISE OVER THE NEXT COUPLE OF 
HOURS KEEPING THE THREAT OF FLOODING AFTER DARK AND EVEN ONCE THE 
RAIN HAS SUBSIDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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...DON'T DROWN!

&&

LAT...LON 4107 8283 4116 8273 4144 8233 4144 8226
      4148 8220 4152 8197 4151 8196 4118 8221
      4099 8258 4099 8265

$$

JAMISON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 12:48 PM EDTFlood WatchCLEAshland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more63 hr
Apr 25, 3:00 PM EDTSpecial Marine WarningCLE2 hr
Apr 25, 3:23 PM EDTSmall Craft AdvisoryCLE14 hr
Apr 25, 3:41 PM EDTAreal Flood WarningCLEAshland, Crawford, Cuyahoga, Erie, Huron, Lorain and 7 more6 hr
Apr 25, 3:55 PM EDTTornado WarningCLEAshland, Crawford, Huron, Richland24 min
Apr 25, 4:55 PM EDTRiver Flood WarningCLELorain53 hr
Apr 25, 5:12 PM EDTRiver Flood WarningCLELucas, Wood4 days
Apr 25, 5:12 PM EDTRiver Flood WarningCLELucas, Wood5 days
Apr 25, 5:12 PM EDTRiver Flood WarningCLEHancock61 hr
Apr 25, 5:12 PM EDTRiver Flood WarningCLEMarion61 hr
Apr 25, 5:12 PM EDTRiver Flood WarningCLEMarion4 days
Apr 25, 5:12 PM EDTRiver Flood WarningCLEHolmes, Wayne53 hr
Apr 25, 5:28 PM EDTSpecial Marine WarningCLE62 min

Nearby

Flash Flood Warnings in Ohio, 2011Every flash flood warning in 2011

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.