Alert archive / Ohio / Flash Flood Warnings in 2007
Flash Flood Warning 5, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 19, 2007, 3:35 AM EDT for Knox County, Ohio. It was in force for 6 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 19, 2007, 3:35 AM EDT (07:35 UTC)
- Expired
- Jul 19, 2007, 9:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Knox County, OH
The radar
The Cleveland radar (KCLE), 113 km from the middle of the area, began a volume at 07:35 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, 7.6 hours before the alert went out and 165 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
- 691 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1319 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCLE 190735 FFWCLE OHC083-191330- /X.NEW.KCLE.FF.W.0005.070719T0735Z-070719T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 335 AM EDT THU JUL 19 2007 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * FLASH FLOOD WARNING FOR... KNOX COUNTY IN NORTH CENTRAL OHIO * UNTIL 930 AM EDT * AT 329 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM THUNDERSTORMS OVER NORTHERN KNOX COUNTY. SINCE MIDNIGHT...RADAR INDICATED THAT 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS NORTHERN KNOX COUNTY. ADDITIONAL THUNDERSTORMS MOVING THROUGH THE AREA WILL CAUSE ANOTHER 1 TO 2 INCHES OF RAIN TO FALL THROUGH 5 AM. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 4046 8263 4042 8218 4057 8217 4055 8260 $$ MRD
2 follow-up statements
000 WGUS71 KCLE 191058 FFSCLE FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 657 AM EDT THU JUL 19 2007 OHC083-191330- /X.CON.KCLE.FF.W.0005.000000T0000Z-070719T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX OH- 657 AM EDT THU JUL 19 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM EDT FOR NORTHERN KNOX COUNTY... ALTHOUGH THE RAIN HAS DIMINISHED ACROSS THE REGION...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 2 TO 4 INCHES OF RAIN FELL OVERNIGHT ACROSS NORTHERN KNOX COUNTY. SOME SMALL STREAMS AND RURAL ROADWAYS MAY BE FLOODED...ESPECIALLY NEAR DANVILLE AND GANN. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. REMEMBER...TURN AROUND DONT DROWN. LAT...LON 4046 8263 4042 8218 4057 8217 4055 8260 $$ MRD
000 WGUS71 KCLE 191333 FFSCLE FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 933 AM EDT THU JUL 19 2007 OHC083-191339- /X.EXP.KCLE.FF.W.0005.000000T0000Z-070719T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX OH- 933 AM EDT THU JUL 19 2007 ...THE FLASH FLOOD WARNING EXPIRED AT 930 AM EDT FOR NORTHERN KNOX COUNTY... THE HEAVY RAIN THAT AFFECTED THE REGION EARLIER THIS MORNING HAS MOVED EAST. RAINFALL AMOUNTS BETWEEN 4 AND 5 INCHES FELL ACROSS PARTS OF EXTREME NORTHEAST KNOX COUNTY. MANY CREEKS AND STREAMS REMAIN HIGH AND PEOPLE IN THESE AREAS SHOULD REMAIN AWRARE AS MORE SHOWERS AND THUNDERSTORMS ARE LIKELY LATER THIS MORNING AND AFTERNOON. LAT...LON 4046 8263 4042 8218 4057 8217 4055 8260 $$ BM
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:46 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 59 min |
| Jul 18, 9:47 PM EDT | Severe Thunderstorm Warning | CLE | Lucas | 58 min |
| Jul 18, 9:55 PM EDT | Special Marine Warning | CLE | 95 min | |
| Jul 18, 10:42 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 63 min |
| Jul 18, 11:10 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Jul 18, 11:12 PM EDT | Flash Flood Watch | CLE | Ashland, Crawford, Hancock, Holmes, Huron, Knox and 10 more | 6 hr |
| Jul 18, 11:42 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Jul 19, 12:11 AM EDT | Areal Flood Advisory | CLE | Ashtabula | 6 hr |
| Jul 19, 12:26 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 64 min |
| Jul 19, 1:04 AM EDT | Severe Thunderstorm Warning | CLE | Holmes | 56 min |
| Jul 19, 1:15 AM EDT | Areal Flood Advisory | CLE | Holmes | 6 hr |
| Jul 19, 2:54 AM EDT | Severe Thunderstorm Warning | CLE | Morrow | 51 min |
| Jul 19, 3:08 AM EDT | Flash Flood Warning | CLE | Holmes | 6 hr |
| Jul 19, 3:13 AM EDT | Areal Flood Advisory | CLE | Ashland, Knox, Marion, Morrow, Richland | 6 hr |
| Jul 19, 6:05 AM EDT | Marine Weather Statement | CLE | 115 min | |
| Jul 19, 2:26 PM EDT | Marine Weather Statement | CLE | 2 hr | |
| Jul 19, 4:55 PM EDT | Marine Weather Statement | CLE | 65 min | |
| Jul 19, 5:29 PM EDT | Special Marine Warning | CLE | 2 hr | |
| Jul 19, 6:34 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 38 min |
| Jul 19, 7:24 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 41 min |
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.