Alert archive / Ohio / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS Cleveland, OH

July 4, 2012Hancock County, Marion County, Wyandot County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 4, 2012, 9:14 PM EDT for Hancock County, Marion County, Wyandot County, Ohio. It was in force for 102 min. 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 4, 2012, 9:14 PM EDT (01:14 UTC)
Expired
Jul 4, 2012, 10:56 PM EDT
In force
102 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Hancock County, OH, Marion County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 144 km from the middle of the area, began a volume at 01:17 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 hours before the alert went out and 143 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, Cncnati-Daytn, OH at 00:00Z on 2012-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2070 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2012-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2070 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1974 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

154 
WGUS51 KCLE 050114
FFWCLE
OHC063-101-175-050700-
/O.NEW.KCLE.FF.W.0003.120705T0114Z-120705T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
914 PM EDT WED JUL 4 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HANCOCK COUNTY IN NORTHWEST OHIO...
  MARION COUNTY IN NORTH CENTRAL OHIO...
  SOUTHWESTERN WYANDOT COUNTY IN NORTHWEST OHIO...

* UNTIL 300 AM EDT.

* AT 910 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
WARNED AREA. RADAR ESTIMATES THAT UP TO 3.5 INCHES OF RAIN HAS 
FALLEN AROUND THE BORDER OF HANCOCK AND WYANDOT COUNTIES WITH AROUND 
2 INCHES OVER MUCH OF THE REST OF HANCOCK...WYANDOT AND NORTHWEST 
MARION COUNTIES.

* LOCATIONS IMPACTED INCLUDE...
  UPPER SANDUSKY...
  MARION...
  FINDLAY...
  WALDO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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 4116 8388 4109 8353 4059 8298 4049 8297
      4049 8301 4043 8302 4043 8323 4045 8326
      4050 8326 4050 8340 4051 8343 4068 8343
      4070 8350 4081 8351 4082 8388

$$
1 follow-up statement
758 
WGUS71 KCLE 050256
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1056 PM EDT WED JUL 4 2012

OHC063-101-175-050255-
/O.CAN.KCLE.FF.W.0003.000000T0000Z-120705T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYANDOT OH-HANCOCK OH-MARION OH-
1056 PM EDT WED JUL 4 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MARION...HANCOCK
AND SOUTHWESTERN WYANDOT COUNTIES IS CANCELLED...

HEAVY RAIN HAS ENDED OVER THE WARNED AREA. NO REPORTS OF FLOODING 
HAVE BEEN RECEIVED SO THE WARNING HAS BEEN CANCELLED. THERE MAY 
STILL BE A FEW SPOTS OF PONDED WATER AROUND THE ROADWAYS SO USE 
CAUTION.

LAT...LON 4116 8388 4109 8353 4059 8298 4049 8297
      4049 8301 4043 8302 4043 8323 4045 8326
      4050 8326 4050 8340 4051 8343 4068 8343
      4070 8350 4081 8351 4082 8388

$$

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:03 PM EDTSevere Thunderstorm WarningCLEErie, Huron, Ottawa, Sandusky, Seneca49 min
Jul 4, 8:08 PM EDTFlash Flood WarningCLEErie, Lucas, Ottawa, Sandusky106 min
Jul 4, 8:50 PM EDTSevere Thunderstorm WarningCLEHancock, Marion, Wyandot70 min
Jul 4, 9:08 PM EDTSevere Thunderstorm WarningCLEAshland, Richland82 min
Jul 4, 9:20 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull55 min
Jul 4, 9:31 PM EDTSevere Thunderstorm WarningCLEMedina, Portage, Summit59 min
Jul 4, 9:50 PM EDTSevere Thunderstorm WarningCLEHolmes, Knox55 min
Jul 4, 9:57 PM EDTSevere Thunderstorm WarningCLEMahoning, Stark63 min
Jul 4, 10:46 PM EDTSevere Thunderstorm WarningCLEKnox29 min
Jul 5, 3:45 AM EDTHeat AdvisoryCLEAshland, Crawford, Erie, Hancock, Holmes, Huron and 18 more15 hr
Jul 5, 4:48 AM EDTSpecial Marine WarningCLE117 min
Jul 5, 6:06 AM EDTSevere Thunderstorm WarningCLECuyahoga, Erie, Lorain, Ottawa, Sandusky69 min
Jul 5, 6:36 AM EDTSevere Thunderstorm WarningCLEGeauga, Lake54 min
Jul 5, 6:41 AM EDTSevere Thunderstorm WarningCLELorain, Medina, Summit79 min
Jul 5, 6:49 AM EDTSpecial Marine WarningCLE116 min
Jul 5, 6:53 AM EDTSevere Thunderstorm WarningCLEHuron43 min
Jul 5, 7:09 AM EDTSevere Thunderstorm WarningCLEAshland, Wayne51 min
Jul 5, 7:12 AM EDTSevere Thunderstorm WarningCLEPortage63 min
Jul 5, 8:03 AM EDTAreal Flood AdvisoryCLEMorrow3 hr
Jul 5, 8:34 AM EDTFlash Flood WarningCLEMorrow6 hr
Jul 5, 8:41 AM EDTAreal Flood AdvisoryCLEAshland, Knox, Richland5 hr
Jul 5, 3:19 PM EDTSevere Thunderstorm WarningCLELucas, Wood56 min
Jul 5, 3:28 PM EDTExcessive Heat WarningCLEAshland, Crawford, Erie, Hancock, Holmes, Huron and 15 more30 hr
Jul 5, 3:28 PM EDTHeat AdvisoryCLEAshtabula, Cuyahoga, Geauga, Lake, Mahoning, Portage and 1 more30 hr
Jul 5, 5:01 PM EDTSevere Thunderstorm WarningCLEHancock, Wyandot59 min
Jul 5, 7:04 PM EDTSevere Thunderstorm WarningCLEMarion30 min

Nearby

Flash Flood Warnings in Ohio, 2012Every flash flood warning in 2012

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.