Alert archive / Ohio / Flash Flood Warnings in 2009
Flash Flood Warning 2, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at May 27, 2009, 2:39 PM EDT for Ottawa County, Sandusky County, Ohio. It was in force for 6 hr. 4 reports 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 27, 2009, 2:39 PM EDT (18:39 UTC)
- Expired
- May 27, 2009, 8:30 PM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Ottawa County, OH, Sandusky County, OH
The radar
The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 18:41 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 27, 2:45 PM EDT | FLASH FLOOD | Port Clinton, OH | 3.75 INCHES RAIN IN ONE HOUR. |
| May 27, 3:55 PM EDT | FLASH FLOOD | Port Clinton, OH | BUILDING FOUNDATION COLLAPSED |
| May 27, 4:20 PM EDT | FLASH FLOOD | Port Clinton, OH | 4.5 INCHES RAIN IN 2 HOURS |
| May 27, 4:40 PM EDT | FLASH FLOOD | Port Clinton, OH | EVERY STREET FLOODED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 6.7 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.
- Mixed-layer CAPE
- 358 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 492 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KCLE 271839
FFWCLE
OHC123-143-280030-
/O.NEW.KCLE.FF.W.0002.090527T1839Z-090528T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
239 PM EDT WED MAY 27 2009
THE NATIONAL WEATHER SERVICE CLEVELAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN SANDUSKY COUNTY IN NORTHWEST OHIO
SOUTHEASTERN OTTAWA COUNTY IN NORTHWEST OHIO
* UNTIL 830 PM EDT
* AT 227 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DOPPLER RADAR INDICATES UP TO THREE INCHES OF RAIN HAS
FALLEN IN THE WARNING AREA DURING THE PAST TWO HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...PORT
CLINTON.
STREET FLOODING HAS BEEN REPORTED IN PORT CLINTON AND EASTERN OTTAWA
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE QUICKLY FLOODING OF
SMALL CREEKS AND STREAMS. IN URBAN AREAS...FLOODING WILL RAPIDLY
OCCUR ALONG POORLY DRAINED AND LOW LYING HIGHWAYS...STREETS...AND
UNDERPASSES. IF YOU ENCOUNTER A FLOODED ROADWAY... TURN AROUND DONT
DROWN
&&
LAT...LON 4153 8294 4154 8288 4157 8287 4151 8273
4149 8277 4147 8295 4143 8294 4143 8287
4134 8304 4139 8318 4158 8304
$$
ASTIFAN/ABE3 follow-up statements
000
WGUS71 KCLE 271946
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
346 PM EDT WED MAY 27 2009
OHC123-143-280030-
/O.CON.KCLE.FF.W.0002.000000T0000Z-090528T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTAWA OH-SANDUSKY OH-
346 PM EDT WED MAY 27 2009
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN SANDUSKY AND
SOUTHEASTERN OTTAWA COUNTIES UNTIL 830 PM EDT...
AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED TO SLOWLY MOVE
NORTHEAST ACROSS NORTHERN SANDUSKY AND EASTERN OTTAWA COUNTIES.
DOPPLER RADAR ESTIMATES 3 TO LOCALLY 4.5 INCHES HAVE FALLEN BETWEEN
PORT CLINTON AND FREMONT SINCE 130 PM THIS AFTERNOON. THE SEWAGE
TREATMENT PLANT IN PORT CLINTON RECORDED 3.75 INCHES OF RAIN IN ONE
HOUR WITH THESE STORMS.
STREET FLOODING HAS BEEN REPORTED IN PORT CLINTON...WITH SEVERAL
VEHICLES STALLED IN INTERSECTIONS DUE TO THE HIGH WATER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DONT DROWN
&&
LAT...LON 4153 8294 4154 8288 4157 8287 4151 8273
4149 8277 4147 8295 4143 8294 4143 8287
4134 8304 4139 8318 4158 8304
$$
ASTIFAN/ABE000
WGUS71 KCLE 272134
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
534 PM EDT WED MAY 27 2009
OHC123-143-280030-
/O.CON.KCLE.FF.W.0002.000000T0000Z-090528T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTAWA OH-SANDUSKY OH-
534 PM EDT WED MAY 27 2009
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN SANDUSKY AND
SOUTHEASTERN OTTAWA COUNTIES UNTIL 830 PM EDT...
AT 526 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
THUNDERSTORMS THAT PRODUCED VERY HEAVY RAINFALL ACROSS THE WARNED
AREA HAVE MOVED EAST OF THE AREA. ADDITIONAL RAINFALL IN ISOLATED
SHOWERS AND THUNDERSTORMS SHOULD BE LIGHT AS THEY MOVE THROUGH THE
AREA.
DOPPLER RADAR INDICATED STORM TOTAL RAINFALL AMOUNTS OF UP TO 4
INCHES FELL ACROSS THE WARNING AREA.
CONTINUED RUNOFF FROM THE EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE
FLASH FLOODING OVER THE NEXT FEW HOURS. SOME LOCATIONS THAT WILL
EXPERIENCE FLOODING INCLUDE...PORT CLINTON.
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...DONT DROWN
&&
LAT...LON 4153 8294 4154 8288 4157 8287 4151 8273
4149 8277 4147 8295 4143 8294 4143 8287
4134 8304 4139 8318 4158 8304
$$
LOMBARDY000
WGUS71 KCLE 280029
FFSCLE
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
829 PM EDT WED MAY 27 2009
OHC123-143-280043-
/O.EXP.KCLE.FF.W.0002.000000T0000Z-090528T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTAWA OH-SANDUSKY OH-
829 PM EDT WED MAY 27 2009
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN SANDUSKY
AND SOUTHEASTERN OTTAWA COUNTIES WILL BE ALLOWED TO EXPIRE AT 830 PM
EDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4153 8294 4154 8288 4157 8287 4151 8273
4149 8277 4147 8295 4143 8294 4143 8287
4134 8304 4139 8318 4158 8304
$$
LOMBARDYThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:47 PM EDT | Areal Flood Advisory | CLE | Ashland | 3 hr |
| May 27, 2:32 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron, Ottawa, Sandusky | 58 min |
| May 27, 3:02 PM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky, Seneca, Wood | 58 min |
| May 27, 3:06 PM EDT | Special Marine Warning | CLE | 114 min | |
| May 27, 3:10 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 27, 3:11 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Lorain | 51 min |
| May 27, 3:18 PM EDT | Flash Flood Warning | CLE | Sandusky | 6 hr |
| May 27, 3:38 PM EDT | Special Marine Warning | CLE | 2 hr | |
| May 27, 4:09 PM EDT | Severe Thunderstorm Warning | CLE | Lake | 51 min |
| May 27, 4:18 PM EDT | Special Marine Warning | CLE | 117 min | |
| May 27, 5:03 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 57 min |
| May 27, 5:52 PM EDT | Severe Thunderstorm Warning | CLE | Huron, Lorain, Medina | 53 min |
Nearby
Flash Flood Warnings in Ohio, 2009Every flash flood warning in 2009
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.