Alert archive / Ohio / Flash Flood Warnings in 2011

Flash Flood Warning 33, NWS Cleveland, OH

July 22, 2011Lake County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 22, 2011, 4:35 PM EDT for Lake County, Ohio. It was in force for 2 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: Jul 22, 2011, 4:35 PM EDT (20:35 UTC)
Expired: Jul 22, 2011, 6:48 PM EDT
In force: 2 hr
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Flood severity: None

County Lake County, OH

The radar

The Cleveland radar (KCLE), 64 km from the middle of the area, began a volume at 20:38 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 (KPIT), launched 12:00Z, 8.6 hours before the alert went out and 172 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

346 
WGUS51 KCLE 222035
FFWCLE
OHC085-230300-
/O.NEW.KCLE.FF.W.0033.110722T2035Z-110723T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAKE COUNTY IN NORTHEAST OHIO...

* UNTIL 1100 PM EDT.

* AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
  RAINFALL RATES OVER AN INCH AND A HALF PER HOUR HAVE BEEN OBSERVED
  WITH THESE STORMS. RAPID RUNOFF WILL RESULT LEADING TO FLASH FLOODING. 

* LOCATIONS IMPACTED INCLUDE...
  PAINESVILLE...
  WILLOUGHBY...
  PERRY...
  MENTOR...

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
CLEVELAND.

&&

LAT...LON 4183 8100 4172 8100 4171 8110 4164 8111
      4164 8129 4157 8130 4157 8146 4168 8146
      4174 8136 4177 8129 4177 8126 4183 8112

$$

1 follow-up statement

330 
WGUS71 KCLE 222248
FFSCLE

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

OHC085-222303-
/O.CAN.KCLE.FF.W.0033.000000T0000Z-110723T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAKE OH-
648 PM EDT FRI JUL 22 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR LAKE COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED. ANY HIGH WATER REMAINING WILL CONTINUE TO 
RECEDE.


LAT...LON 4183 8100 4172 8100 4171 8110 4164 8111
      4164 8129 4157 8130 4157 8146 4168 8146
      4174 8136 4177 8129 4177 8126 4183 8112

$$

KIELTYKA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 11:21 AM EDT	Excessive Heat Warning	CLE	Ashland, Crawford, Hancock, Holmes, Huron, Knox and 8 more	7 hr
Jul 22, 1:20 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	40 min
Jul 22, 1:28 PM EDT	Special Marine Warning	CLE		92 min
Jul 22, 1:55 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Seneca, Wyandot	44 min
Jul 22, 2:03 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	57 min
Jul 22, 2:23 PM EDT	Flash Flood Warning	CLE	Ottawa, Sandusky, Wood	6 hr
Jul 22, 2:26 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Wayne	31 min
Jul 22, 2:55 PM EDT	Special Marine Warning	CLE		110 min
Jul 22, 2:58 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Lorain	22 min
Jul 22, 3:12 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga	63 min
Jul 22, 3:32 PM EDT	Flash Flood Warning	CLE	Lucas, Wood	4 hr
Jul 22, 3:38 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain	52 min
Jul 22, 3:42 PM EDT	Flash Flood Warning	CLE	Cuyahoga	5 hr
Jul 22, 3:52 PM EDT	Flash Flood Warning	CLE	Medina, Wayne	5 hr
Jul 22, 3:54 PM EDT	Heat Advisory	CLE	Ashland, Crawford, Hancock, Holmes, Huron, Knox and 8 more	28 hr
Jul 22, 3:58 PM EDT	Flash Flood Warning	CLE	Hancock, Seneca, Wyandot	4 hr
Jul 22, 4:04 PM EDT	Flash Flood Warning	CLE	Geauga, Summit	5 hr
Jul 22, 4:23 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Cuyahoga, Geauga, Lake	67 min
Jul 22, 4:31 PM EDT	Areal Flood Advisory	CLE	Sandusky	3 hr
Jul 22, 4:37 PM EDT	Special Marine Warning	CLE		98 min
Jul 22, 4:49 PM EDT	Areal Flood Advisory	CLE	Ashtabula, Trumbull	4 hr
Jul 22, 4:52 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	40 min
Jul 22, 4:58 PM EDT	Severe Thunderstorm Warning	CLE	Stark, Summit, Wayne	62 min
Jul 22, 6:54 PM EDT	Severe Thunderstorm Warning	CLE	Stark	43 min

Nearby

Flash Flood Warnings in Ohio, 2011 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.