Alert archive / Ohio / Flash Flood Warnings in 2007
Flash Flood Warning 15, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 21, 2007, 2:41 AM EDT for Wyandot County, Ohio. It was in force for 4 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
- Aug 21, 2007, 2:41 AM EDT (06:41 UTC)
- Expired
- Aug 21, 2007, 6:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Wyandot County, OH
The radar
The Cleveland radar (KCLE), 135 km from the middle of the area, began a volume at 06:43 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.7 hours before the alert went out and 164 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
- 460 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCLE 210642 FFWCLE OHC175-211045- /X.NEW.KCLE.FF.W.0015.070821T0641Z-070821T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 241 AM EDT TUE AUG 21 2007 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * FLASH FLOOD WARNING FOR... WYANDOT COUNTY IN NORTHWEST OHIO * UNTIL 645 AM EDT * AT 238 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN. RAINFALL RATES ARE 1 TO 2 INCHES AN HOUR. THE RAIN WILL DECREASE LATER THIS MORNING. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SYCAMORE AND UPPER SANDUSKY EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS WILL BE SUBJECT TO FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4078 8339 4078 8315 4096 8315 4096 8339 $$ KIELTYKA
1 follow-up statement
000 WGUS71 KCLE 210941 FFSCLE FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 538 AM EDT TUE AUG 21 2007 OHC175-211045- /X.CON.KCLE.FF.W.0015.000000T0000Z-070821T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WYANDOT OH- 538 AM EDT TUE AUG 21 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR WYANDOT COUNTY... AT 536 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW SOME SHOWERS AND THUNDERSTORMS OVER THE COUNTY...THEY WERE MOVING EAST AT 20 MPH. MOST ROADS ARE FLOODED IN THE COUNTY AND SOME RESCUES ARE GOING ON. THIS IS A DANGEROUS SITUATION. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SYCAMORE...UPPER SANDUSKY AND CAREY ADDITIONAL RAINFALL AMOUNTS OF 1 TO LOCALLY 2 INCHES MAY FALL BETWEEN 530 AM AND 830 AM. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. LAT...LON 4072 8347 4071 8311 4097 8312 4097 8342 $$ KIELTYKA
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 12:23 AM EDT | Areal Flood Warning | CLE | Hancock, Wyandot | 6 hr |
| Aug 21, 12:55 AM EDT | Areal Flood Warning | CLE | Crawford | 6 hr |
| Aug 21, 1:55 AM EDT | Areal Flood Warning | CLE | Marion | 6 hr |
| Aug 21, 2:01 AM EDT | Areal Flood Advisory | CLE | Ashland, Morrow, Richland | 6 hr |
| Aug 21, 3:20 AM EDT | Flash Flood Warning | CLE | Richland | 4 hr |
| Aug 21, 3:39 AM EDT | Areal Flood Warning | CLE | Holmes | 6 hr |
| Aug 21, 3:46 AM EDT | Areal Flood Warning | CLE | Stark, Wayne | 8 hr |
| Aug 21, 3:52 AM EDT | Areal Flood Advisory | CLE | Medina, Summit | 6 hr |
| Aug 21, 4:07 AM EDT | Flash Flood Warning | CLE | Ashland | 6 hr |
| Aug 21, 4:14 AM EDT | Flash Flood Warning | CLE | Hancock | 6 hr |
| Aug 21, 4:20 AM EDT | Flash Flood Warning | CLE | Crawford | 6 hr |
| Aug 21, 4:39 AM EDT | Flash Flood Warning | CLE | Holmes | 6 hr |
| Aug 21, 4:50 AM EDT | River Flood Warning | CLE | Hancock | 3 days |
| Aug 21, 4:50 AM EDT | River Flood Warning | CLE | Lucas, Wood | 5 days |
| Aug 21, 5:58 AM EDT | Areal Flood Warning | CLE | Huron, Sandusky, Seneca | 8 hr |
| Aug 21, 6:38 AM EDT | Areal Flood Warning | CLE | Erie | 8 hr |
| Aug 21, 6:58 AM EDT | Areal Flood Advisory | CLE | Lorain | 6 hr |
| Aug 21, 7:19 AM EDT | Areal Flood Warning | CLE | Knox, Morrow | 6 hr |
| Aug 21, 8:45 AM EDT | River Flood Warning | CLE | Holmes, Wayne | 48 hr |
| Aug 21, 9:27 AM EDT | Areal Flood Warning | CLE | Wood | 10 hr |
| Aug 21, 10:02 AM EDT | Areal Flood Warning | CLE | Ashland, Holmes | 8 hr |
| Aug 21, 10:14 AM EDT | Areal Flood Warning | CLE | Crawford, Hancock, Richland, Wyandot | 24 hr |
| Aug 21, 12:49 PM EDT | River Flood Warning | CLE | Lucas, Wood | 4 days |
| Aug 21, 12:49 PM EDT | River Flood Warning | CLE | Seneca | 4 days |
| Aug 21, 5:52 PM EDT | Areal Flood Warning | CLE | Ashland | 12 hr |
Nearby
Flash Flood Warnings in Ohio, 2007Every flash flood warning in 2007
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.