Alert archive / Ohio / Flash Flood Warnings in 2013

Flash Flood Warning 27, NWS Cleveland, OH

August 8, 2013Portage County, Trumbull County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 8, 2013, 6:10 PM EDT for Portage County, Trumbull County, Ohio. It was in force for 3 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
Aug 8, 2013, 6:10 PM EDT (22:10 UTC)
Expired
Aug 8, 2013, 9:00 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Portage County, OH, Trumbull County, OH

The radar

The Pittsburgh radar (KPBZ), 87 km from the middle of the area, began a volume at 22:10 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 (KAGC), launched 12:00Z, 10.2 hours before the alert went out and 104 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 2013-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1200 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 12:00Z on 2013-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1200 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
84 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.

803 
WGUS51 KCLE 082210
FFWCLE
OHC133-155-090100-
/O.NEW.KCLE.FF.W.0027.130808T2210Z-130809T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
610 PM EDT THU AUG 8 2013

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PORTAGE COUNTY IN NORTHEAST OHIO...
  SOUTHERN TRUMBULL COUNTY IN NORTHEAST OHIO...

* UNTIL 900 PM EDT.

* AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. A SPOTTER IN NEWTON FALLS HAS MEASURED MORE THAN      
  THREE INCHES OF RAIN IN THE PAST 90 MINUTES.  A CAR WAS SUBMERGED  
  AT THE INTERSECTION OF STATE ROUTE 534 AND BANDOR ROAD.  ANOTHER 1 
  TO 2 INCHES OF RAIN IS POSSIBLE BY 8 PM.

* LOCATIONS IMPACTED INCLUDE...
  WARREN...
  NILES...
  NEWTON FALLS...
  LORDSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 4113 8059 4114 8099 4108 8118 4134 8117
      4134 8052 4114 8052

$$
KUBINA
1 follow-up statement
798 
WGUS71 KCLE 090004
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
804 PM EDT THU AUG 8 2013

OHC133-155-090100-
/O.CON.KCLE.FF.W.0027.000000T0000Z-130809T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PORTAGE OH-TRUMBULL OH-
804 PM EDT THU AUG 8 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN TRUMBULL AND
NORTHEASTERN PORTAGE COUNTIES UNTIL 900 PM EDT...

ALTHOUGH THE RAIN HAS TEMPORARILY ENDED ACROSS THE WARNING 
AREA...RUNOFF CONTINUES AND ADDITIONAL FLOODING IS LIKELY.  A 
SPOTTER MEASURED 3.75 INCHES OF RAINFALL IN NEWTON FALLS.  MANY 
ROADS AND SOME HOMES HAVE BEEN FLOODED.  FLOOD WATERS OVER THE HOODS 
OF VEHICLES HAVE BEEN REPORTED AND SOME WATER RESCUES HAVE OCCURRED. 
FLOOD WATERS ARE EXPECTED TO SLOWLY RECEDE OVERNIGHT.  BE CAREFUL IF 
VENTURING OUT TONIGHT AND NEVER DRIVE INTO STANDING WATER.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS A FLOODED AREA ON FOOT OR BY AUTOMOBILE.

&&

LAT...LON 4113 8059 4114 8099 4108 8118 4134 8117
      4134 8052 4114 8052

$$

KUBINA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 12:23 PM EDTAreal Flood AdvisoryCLECrawford, Marion, Morrow, Richland, Wyandot2 hr
Aug 8, 12:55 PM EDTAreal Flood WarningCLECrawford, Marion, Morrow, Wyandot4 hr
Aug 8, 1:07 PM EDTAreal Flood AdvisoryCLEAshtabula, Geauga6 hr
Aug 8, 5:21 PM EDTAreal Flood WarningCLEPortage, Trumbull6 hr

Nearby

Flash Flood Warnings in Ohio, 2013Every flash flood warning in 2013

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.