Alert archive / Ohio / Flash Flood Warnings in 2015

Flash Flood Warning 2, NWS Cleveland, OH

May 30, 2015Cuyahoga County, Ohio

NWS Cleveland, OH issued this flash flood warning at May 30, 2015, 8:19 PM EDT for Cuyahoga 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
May 30, 2015, 8:19 PM EDT (00:19 UTC)
Expired
May 30, 2015, 11:15 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

County Cuyahoga County, OH

The radar

The Cleveland radar (KCLE), 21 km from the middle of the area, began a volume at 00:23 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 00:00Z, 0.3 hours before the alert went out and 171 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 2015-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 110 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 2015-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
110 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

081 
WGUS51 KCLE 310019
FFWCLE
OHC035-310315-
/O.NEW.KCLE.FF.W.0002.150531T0019Z-150531T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
819 PM EDT SAT MAY 30 2015

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CUYAHOGA COUNTY IN NORTHEASTERN OHIO...

* UNTIL 1115 PM EDT
    
* AT 817 PM EDT...DOPPLER RADAR INDICATED ANOTHER ROUND OF 
  THUNDERSTORM PRODUCING HEAVY RAIN IS MOVING INTO THE WARNED AREA. 
  UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS 
  EXPECTED TO BEGIN SHORTLY...AND ANY ONGOING FLOODING TO WORSEN.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PARMA...LAKEWOOD...EUCLID...CLEVELAND HEIGHTS...STRONGSVILLE... 
  WESTLAKE...NORTH ROYALTON...SOLON...WARRENSVILLE 
  HEIGHTS...HIGHLAND HILLS...NORTH OLMSTED...GARFIELD HEIGHTS... 
  SHAKER HEIGHTS...MAPLE HEIGHTS...SOUTH EUCLID...PARMA HEIGHTS... 
  ROCKY RIVER...BROADVIEW HEIGHTS AND BROOK PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4157 8148 4156 8139 4145 8139 4142 8137
      4142 8139 4135 8140 4135 8159 4128 8157
      4127 8188 4135 8187 4136 8197 4150 8196
      4148 8189 4150 8171 4163 8149

$$
KO
1 follow-up statement
994 
WGUS71 KCLE 310302
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1102 PM EDT SAT MAY 30 2015

OHC035-310311-
/O.CAN.KCLE.FF.W.0002.000000T0000Z-150531T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUYAHOGA OH-
1102 PM EDT SAT MAY 30 2015

...THE FLASH FLOOD WARNING FOR CUYAHOGA COUNTY IS CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 4157 8148 4156 8139 4145 8139 4142 8137
      4142 8139 4135 8140 4135 8159 4128 8157
      4127 8188 4135 8187 4136 8197 4150 8196
      4148 8189 4150 8171 4163 8149

$$

LOMBARDY

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 11:12 PM EDTRiver Flood WarningCLECuyahoga14 hr
May 31, 5:19 PM EDTRiver Flood WarningCLELorain26 hr
May 31, 7:51 PM EDTRiver Flood WarningCLELake30 hr

Nearby

Flash Flood Warnings in Ohio, 2015Every flash flood warning in 2015

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.