Alert archive / Ohio / Flash Flood Warnings in 2011
Flash Flood Warning 12, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at May 14, 2011, 3:24 PM EDT for 8 counties in Ohio. It was in force for 4 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 14, 2011, 3:24 PM EDT (19:24 UTC)
- Expired
- May 14, 2011, 7:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, OH, Huron County, OH, Knox County, OH, Morrow County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 123 km from the middle of the area, began a volume at 19:24 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 14, 4:18 PM EDT | FLASH FLOOD | Tiffin, OH | RAILROAD UNDERPASS FLOODED AND MOTORIST HAD TO BE RESCUED. |
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, 7.4 hours before the alert went out and 155 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
- 421 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
731
WGUS51 KCLE 141924
FFWCLE
OHC033-077-083-117-139-143-147-175-142330-
/O.NEW.KCLE.FF.W.0012.110514T1924Z-110514T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
324 PM EDT SAT MAY 14 2011
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAWFORD COUNTY IN NORTH CENTRAL OHIO
EASTERN WYANDOT COUNTY IN NORTHWEST OHIO
MORROW COUNTY IN NORTH CENTRAL OHIO
SENECA COUNTY IN NORTHWEST OHIO
SOUTHEASTERN SANDUSKY COUNTY IN NORTHWEST OHIO
WESTERN HURON COUNTY IN NORTH CENTRAL OHIO
WESTERN KNOX COUNTY IN NORTH CENTRAL OHIO
WESTERN RICHLAND COUNTY IN NORTH CENTRAL OHIO
* UNTIL 730 PM EDT
* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RAINFALL AMOUNTS OVER AN INCH MAY HAVE FALLEN ALREADY
AND ANOTHER 1 TO 2 INCHES OF RAIN MAY FALL IN A SHORT TIME AT SOME
LOCATIONS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUCYRUS...FOSTORIA...MANSFIELD...MOUNT GILEAD...NORWALK...
SYCAMORE...TIFFIN...UPPER SANDUSKY...BELLEVUE...NEW
WASHINGTON...ONTARIO...PLYMOUTH...SHELBY...SPARTA AND WILLARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
VERY HEAVY RAINFALL IS POSSIBLE IN THE WARNED AREA. EXCESSIVE RUNOFF
WILL CAUSE FLOODING OF SMALL CREEKS...STREAMS...AND DRAINAGE DITCHES
ACROSS THE WARNING AREA. IN URBAN AREAS...FLOODING IS LIKELY ALONG
POORLY DRAINED AND LOW LYING HIGHWAYS...STREETS...AND UNDERPASSES. BE
ALERT FOR FLOODED ROADS. TURN AROUND...DON'T DROWN!
&&
LAT...LON 4027 8272 4028 8275 4035 8274 4036 8286
4071 8286 4070 8326 4082 8336 4100 8343
4126 8341 4128 8259 4072 8250 4026 8249
$$
KIELTYKA1 follow-up statement
885
WGUS71 KCLE 142116
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
516 PM EDT SAT MAY 14 2011
OHC033-077-083-117-139-143-147-175-142330-
/O.CON.KCLE.FF.W.0012.000000T0000Z-110514T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYANDOT OH-CRAWFORD OH-HURON OH-KNOX OH-MORROW OH-RICHLAND OH-
SENECA OH-SANDUSKY OH-
516 PM EDT SAT MAY 14 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN RICHLAND...
MORROW...WESTERN KNOX...WESTERN HURON AND CRAWFORD COUNTIES IN NORTH
CENTRAL OHIO...AND SOUTHERN SANDUSKY...SENECA AND WYANDOT COUNTIES IN
NORTHWEST OHIO UNTIL 730 PM EDT...
AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE THUNDERSTORMS WITH THE HEAVIEST RAINFALL WAS LOCATED OVER
NORTHEAST MORROW COUNTY AND WESTERN RICHLAND COUNTY. THE
THUNDERSTORMS WERE MOVING SLOWLY NORTHEAST. THE RAINFALL RATES WERE
DECREASING...ANOTHER INCH OF RAIN COULD FALL FROM THESE
THUNDERSTORMS. ELSEWHERE THE HEAVY RAIN HAS DECREASED BUT SINCE THE
GROUND IS SATURATED ANY HIGH WATER WILL BE SLOW TO RECEDE.
SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR.
SOME FLOODING WAS REPORTED IN TIFFIN JUST AFTER 4 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DON'T DROWN!
&&
LAT...LON 4027 8272 4028 8275 4035 8274 4036 8286
4071 8286 4070 8326 4082 8336 4100 8343
4126 8341 4128 8259 4072 8250 4026 8249
$$
KIELTYKAThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 8:30 PM EDT | Areal Flood Advisory | CLE | Stark | 3 hr |
| May 13, 9:42 PM EDT | Flash Flood Warning | CLE | Ashland | 3 hr |
| May 14, 12:29 AM EDT | Areal Flood Advisory | CLE | Ashland | 6 hr |
| May 14, 4:19 AM EDT | Flash Flood Watch | CLE | Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more | 19 hr |
| May 14, 1:59 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 4 hr |
| May 14, 2:31 PM EDT | Flash Flood Warning | CLE | Hancock, Marion, Wyandot | 2 hr |
| May 14, 3:49 PM EDT | Flash Flood Warning | CLE | Ashland, Medina, Richland | 4 hr |
| May 14, 4:07 PM EDT | Flash Flood Warning | CLE | Cuyahoga, Geauga, Lake | 4 hr |
| May 14, 4:36 PM EDT | Flash Flood Warning | CLE | Holmes, Knox, Medina, Wayne | 4 hr |
| May 14, 6:00 PM EDT | Areal Flood Warning | CLE | Cuyahoga, Lorain | 5 hr |
| May 14, 6:07 PM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| May 14, 6:22 PM EDT | Flash Flood Warning | CLE | Ashtabula | 4 hr |
| May 14, 7:18 PM EDT | Flash Flood Warning | CLE | Ashtabula, Trumbull | 4 hr |
| May 14, 7:42 PM EDT | Areal Flood Warning | CLE | Ashland, Knox, Richland | 4 hr |
| May 14, 7:50 PM EDT | Areal Flood Warning | CLE | Mahoning | 4 hr |
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.