Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 30, NWS Cleveland, OH

July 22, 2011Medina County, Wayne County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 22, 2011, 3:52 PM EDT for Medina County, Wayne County, Ohio. It was in force for 5 hr. 1 report 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
Jul 22, 2011, 3:52 PM EDT (19:52 UTC)
Expired
Jul 22, 2011, 8:26 PM EDT
In force
5 hr
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Flood severity
None

Counties Medina County, OH, Wayne County, OH

The radar

The Cleveland radar (KCLE), 43 km from the middle of the area, began a volume at 19:52 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
Jul 22, 4:30 PM EDTFLOODCreston, OHWATER FILLING LOW SPOTS ALONG ROADS AND DITCHES COMING OUT OF BANKS.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.9 hours before the alert went out and 170 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 2011-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3887 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 2011-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 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
3887 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-29 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.

947 
WGUS51 KCLE 221952
FFWCLE
OHC103-169-230200-
/O.NEW.KCLE.FF.W.0030.110722T1952Z-110723T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
352 PM EDT FRI JUL 22 2011

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MEDINA COUNTY IN NORTHEAST OHIO...
  WAYNE COUNTY IN NORTHEAST OHIO...

* UNTIL 1000 PM EDT.

* AT 344 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA
  WITH RAINFALL RATES OF OVER AN INCH PER HOUR. THIS WILL LEAD TO RAPID
  RUNOFF AND FLASH FLOODING.

* LOCATIONS IMPACTED INCLUDE...
  WOOSTER...
  SHREVE...
  RITTMAN...
  MEDINA...

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND...DONT DROWN.

&&

LAT...LON 4099 8213 4100 8217 4113 8217 4114 8208
      4120 8207 4120 8198 4128 8197 4128 8169
      4099 8168 4099 8165 4096 8165 4067 8165
      4067 8212

$$
21
3 follow-up statements
427 
WGUS71 KCLE 222117
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
517 PM EDT FRI JUL 22 2011

OHC103-169-230200-
/O.CON.KCLE.FF.W.0030.000000T0000Z-110723T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MEDINA OH-WAYNE OH-
517 PM EDT FRI JUL 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAYNE AND MEDINA
COUNTIES UNTIL 1000 PM EDT...

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVED ACROSS THE WARNED AREA. 
DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS AROUND 2 TO 4 INCHES MAINLY 
OVER NORTHERN WAYNE AND SOUTHERN MEDINA COUNTY. AREA CREEKS AND 
STREAMS COULD COME OUT OF THEIR BANKS...INCLUDING THE CHIPPEWA 
CREEK NEAR CONGRESS AND CRESTON. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...LITCHFIELD...MEDINA...RITTMAN...SHREVE...WOOSTER...
BRUNSWICK...DALTON...DOYLESTOWN...LODI...MOUNT 
EATON...ORRVILLE...WADSWORTH AND WEST SALEM.

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 4099 8213 4100 8217 4113 8217 4114 8208
      4120 8207 4120 8198 4128 8197 4128 8169
      4099 8168 4099 8165 4096 8165 4067 8165
      4067 8212

$$

SJAMISON
587 
WGUS71 KCLE 222222
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
622 PM EDT FRI JUL 22 2011

OHC103-169-230200-
/O.CON.KCLE.FF.W.0030.000000T0000Z-110723T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MEDINA OH-WAYNE OH-
622 PM EDT FRI JUL 22 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAYNE AND MEDINA
COUNTIES UNTIL 1000 PM EDT...

AT 618 PM EDT...A FLASH FLOOD WARNING CONTINUES FOR THE AREA AS 
EARLIER SHOWERS BROUGHT AS MUCH AS THREE INCHES TO PORTIONS OF 
SOUTHERN MEDINA AND NORTHERN WAYNE COUNTIES. NATIONAL WEATHER 
SERVICE DOPPLER RADAR INDICATED ADDITIONAL SHOWERS OVER THE 
AREA...HOWEVER RAINFALL AMOUNTS WILL BE LESS THAN A HALF AN INCH. THE
RUNOFF FROM THE EARLIER RAINFALL COULD STILL CAUSE FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...CRESTON...DALTON...DOYLESTOWN...LODI...MOUNT 
EATON...ORRVILLE...WADSWORTH AND WEST SALEM.

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 4099 8213 4100 8217 4113 8217 4114 8208
      4120 8207 4120 8198 4128 8197 4128 8169
      4099 8168 4099 8165 4096 8165 4067 8165
      4067 8212

$$

SJAMISON
891 
WGUS71 KCLE 230026
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
826 PM EDT FRI JUL 22 2011

OHC103-169-230041-
/O.CAN.KCLE.FF.W.0030.000000T0000Z-110723T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MEDINA OH-WAYNE OH-
826 PM EDT FRI JUL 22 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WAYNE AND MEDINA
COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.


LAT...LON 4099 8213 4100 8217 4113 8217 4114 8208
      4120 8207 4120 8198 4128 8197 4128 8169
      4099 8168 4099 8165 4096 8165 4067 8165
      4067 8212

$$

OUDEMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 11:21 AM EDTExcessive Heat WarningCLEAshland, Crawford, Hancock, Holmes, Huron, Knox and 8 more7 hr
Jul 22, 1:20 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Sandusky, Wood40 min
Jul 22, 1:28 PM EDTSpecial Marine WarningCLE92 min
Jul 22, 1:55 PM EDTSevere Thunderstorm WarningCLECrawford, Seneca, Wyandot44 min
Jul 22, 2:03 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Sandusky, Wood57 min
Jul 22, 2:23 PM EDTFlash Flood WarningCLEOttawa, Sandusky, Wood6 hr
Jul 22, 2:26 PM EDTSevere Thunderstorm WarningCLEMedina, Wayne31 min
Jul 22, 2:55 PM EDTSpecial Marine WarningCLE110 min
Jul 22, 2:58 PM EDTSevere Thunderstorm WarningCLEErie, Lorain22 min
Jul 22, 3:12 PM EDTSevere Thunderstorm WarningCLECuyahoga63 min
Jul 22, 3:32 PM EDTFlash Flood WarningCLELucas, Wood4 hr
Jul 22, 3:38 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain52 min
Jul 22, 3:42 PM EDTFlash Flood WarningCLECuyahoga5 hr
Jul 22, 3:54 PM EDTHeat AdvisoryCLEAshland, Crawford, Hancock, Holmes, Huron, Knox and 8 more28 hr
Jul 22, 3:58 PM EDTFlash Flood WarningCLEHancock, Seneca, Wyandot4 hr
Jul 22, 4:04 PM EDTFlash Flood WarningCLEGeauga, Summit5 hr
Jul 22, 4:23 PM EDTSevere Thunderstorm WarningCLEAshtabula, Cuyahoga, Geauga, Lake67 min
Jul 22, 4:31 PM EDTAreal Flood AdvisoryCLESandusky3 hr
Jul 22, 4:35 PM EDTFlash Flood WarningCLELake2 hr
Jul 22, 4:37 PM EDTSpecial Marine WarningCLE98 min
Jul 22, 4:49 PM EDTAreal Flood AdvisoryCLEAshtabula, Trumbull4 hr
Jul 22, 4:52 PM EDTSevere Thunderstorm WarningCLETrumbull40 min
Jul 22, 4:58 PM EDTSevere Thunderstorm WarningCLEStark, Summit, Wayne62 min
Jul 22, 6:54 PM EDTSevere Thunderstorm WarningCLEStark43 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.