Alert archive / Ohio / Flash Flood Warnings in 2011
Flash Flood Warning 21, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at May 25, 2011, 7:21 PM EDT for 6 counties in Ohio. It was in force for 6 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
- May 25, 2011, 7:21 PM EDT (23:21 UTC)
- Expired
- May 26, 2011, 1:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Ashland County, OH, Crawford County, OH, Marion County, OH, Morrow County, OH, Richland County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 108 km from the middle of the area, began a volume at 23:25 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 8:40 PM EDT | FLOOD | Mansfield, OH | STREAMS OVER ROADS AND BRIDGES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.4 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 49 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
545
WGUS51 KCLE 252321
FFWCLE
OHC005-033-101-117-139-175-260530-
/O.NEW.KCLE.FF.W.0021.110525T2321Z-110526T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
721 PM EDT WED MAY 25 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ASHLAND COUNTY IN NORTH CENTRAL OHIO
MARION COUNTY IN NORTH CENTRAL OHIO
MORROW COUNTY IN NORTH CENTRAL OHIO
RICHLAND COUNTY IN NORTH CENTRAL OHIO
SOUTHEASTERN WYANDOT COUNTY IN NORTHWEST OHIO
SOUTHERN CRAWFORD COUNTY IN NORTH CENTRAL OHIO
* UNTIL 130 AM EDT THURSDAY
* AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINFALL ENTERING THE
WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL RATES OF ONE TO ONE
AND A HALF INCHES AN HOUR. AN ADDITIONAL ONE TO TWO INCHES OF
RAINFALL IS POSSIBLE THROUGH THE EVENING.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ASHLAND...MANSFIELD...MARION...MOUNT GILEAD...BELLVILLE...
CARDINGTON...GALION...HAYESVILLE...LA
RUE...LEXINGTON...LOUDONVILLE...MARSEILLES...ONTARIO...
POLK...PROSPECT...SHELBY...AND WALDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. IF CAMPING OR HIKING...IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN RAPIDLY RISE DURING HEAVY RAINS. CAMPERS AND HIKERS
IN THE WARNING AREA SHOULD MOVE UPHILL AWAY FROM STREAMS AND CREEKS.
&&
LAT...LON 4036 8292 4042 8293 4045 8324 4051 8326
4051 8342 4069 8341 4072 8344 4079 8272
4099 8270 4099 8244 4106 8244 4106 8217
4099 8217 4099 8213 4067 8212 4066 8222
4056 8224 4055 8264 4035 8265
$$1 follow-up statement
703
WGUS71 KCLE 260220
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1020 PM EDT WED MAY 25 2011
OHC005-033-101-117-139-175-260530-
/O.CON.KCLE.FF.W.0021.000000T0000Z-110526T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHLAND OH-WYANDOT OH-CRAWFORD OH-MARION OH-MORROW OH-RICHLAND OH-
1020 PM EDT WED MAY 25 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR RICHLAND...MORROW...
MARION...SOUTHERN CRAWFORD AND ASHLAND COUNTIES IN NORTH CENTRAL
OHIO...AND SOUTHEASTERN WYANDOT COUNTY IN NORTHWEST OHIO UNTIL 130 AM
EDT...
AT 1006 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ADVANCING TOWARDS THE WARNED AREA
FROM THE SOUTHWEST. THESE STORMS WILL BRING AN ADDITIONAL HALF INCH OF
RAIN OR GREATER.
THIS RAIN IN COMBINATION OF THE EARLIER RAINFALL WILL PRODUCE SIGNIFICANT
RUNOFF. IN ADDITION TO FLOODING...THIS RUNOFF COULD TRIGGER DEBRIS SLIDES
IN HILLY TERRAIN.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ASHLAND...MANSFIELD...
MARION...MOUNT GILEAD...BELLVILLE...CARDINGTON...CHESTERVILLE...GALION...
HAYESVILLE...LA RUE...LEXINGTON...LOUDONVILLE...MARSEILLES...MORRAL...
ONTARIO...POLK...PROSPECT...SAVANNAH...SHELBY...SPARTA AND WALDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. IF CAMPING...IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN RAPIDLY RISE DURING HEAVY RAINS. CAMPERS AND HIKERS
IN THE WARNING AREA SHOULD MOVE UPHILL AWAY FROM STREAMS AND CREEKS.
&&
LAT...LON 4036 8292 4042 8293 4045 8324 4051 8326
4051 8342 4069 8341 4072 8344 4079 8272
4099 8270 4099 8244 4106 8244 4106 8217
4099 8217 4099 8213 4067 8212 4066 8222
4056 8224 4055 8264 4035 8265
$$The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 2:16 PM EDT | Flood Watch | CLE | Ashland, Crawford, Erie, Hancock, Huron, Knox and 10 more | 14 hr |
| May 25, 2:47 PM EDT | Areal Flood Warning | CLE | Lucas, Wood | 16 hr |
| May 25, 2:57 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 25, 3:33 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Wood | 57 min |
| May 25, 4:03 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa, Sandusky | 57 min |
| May 25, 4:10 PM EDT | Severe Thunderstorm Warning | CLE | Hancock | 50 min |
| May 25, 4:24 PM EDT | Tornado Warning | CLE | Hancock | 51 min |
| May 25, 4:25 PM EDT | Areal Flood Warning | CLE | Hancock | 14 hr |
| May 25, 4:57 PM EDT | Tornado Warning | CLE | Hancock, Sandusky, Seneca, Wood | 63 min |
| May 25, 5:01 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 25, 5:15 PM EDT | Areal Flood Warning | CLE | Ottawa, Sandusky, Seneca | 13 hr |
| May 25, 5:24 PM EDT | Tornado Warning | CLE | Sandusky, Seneca | 51 min |
| May 25, 5:34 PM EDT | Tornado Warning | CLE | Hancock | 41 min |
| May 25, 5:48 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 42 min |
| May 25, 5:54 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Seneca, Wyandot | 51 min |
| May 25, 6:00 PM EDT | Areal Flood Warning | CLE | Crawford, Erie, Huron, Wyandot | 12 hr |
| May 25, 6:03 PM EDT | Tornado Warning | CLE | Erie, Huron | 57 min |
| May 25, 6:17 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 58 min |
| May 25, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 49 min |
| May 25, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Seneca | 54 min |
| May 25, 6:42 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Huron, Lorain, Medina | 5 hr |
| May 25, 6:44 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 25, 6:45 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 45 min |
| May 25, 6:53 PM EDT | Severe Thunderstorm Warning | CLE | Lorain, Medina | 67 min |
| May 25, 7:00 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Wyandot | 60 min |
| May 25, 7:01 PM EDT | Special Marine Warning | CLE | 119 min | |
| May 25, 7:09 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain, Medina | 4 hr |
| May 25, 7:19 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 41 min |
| May 25, 7:20 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 40 min |
| May 25, 7:31 PM EDT | Tornado Warning | CLE | Summit | 29 min |
| May 25, 7:37 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Wayne | 38 min |
| May 25, 7:42 PM EDT | Areal Flood Warning | CLE | Geauga, Lake, Portage, Summit, Wayne | 5 hr |
| May 25, 7:50 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 55 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.