Alert archive / Ohio / Flash Flood Warnings in 2020
Flash Flood Warning 10, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 7, 2020, 1:59 PM EDT for Cuyahoga County, Summit County, Ohio. It was in force for 3 hr. 2 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
- Jul 7, 2020, 1:59 PM EDT (17:59 UTC)
- Expired
- Jul 7, 2020, 5:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cuyahoga County, OH, Summit County, OH
The radar
The Cleveland radar (KCLE), 33 km from the middle of the area, began a volume at 18:01 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 |
|---|---|---|---|
| Jul 7, 2:02 PM EDT | HEAVY RAIN 2 | 1 Se Sagamore Hills, OH | 2.00 RAIN IN 25 MINUTES. |
| Jul 7, 2:38 PM EDT | FLOOD | 1 W Northfield, OH | ROAD IMPASSABLE DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.0 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1848 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
984
WGUS51 KCLE 071759
FFWCLE
OHC035-153-072100-
/O.NEW.KCLE.FF.W.0010.200707T1759Z-200707T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
159 PM EDT Tue Jul 7 2020
The National Weather Service in Cleveland has issued a
* Flash Flood Warning for...
Southeastern Cuyahoga County in northeastern Ohio...
Northeastern Summit County in northeastern Ohio...
* Until 500 PM EDT.
* At 158 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen in one hour. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flooding include...
Solon, Twinsburg, Macedonia, Broadview Heights, Brecksville,
Bedford, Bedford Heights, Independence, Chagrin Falls, Northfield,
Reminderville, Orange, Moreland Hills, Walton Hills, Valley View,
Glenwillow and Bentleyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4134 8139 4131 8142 4126 8161 4135 8167
4145 8139
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
Kahn2 follow-up statements
431
WGUS71 KCLE 071945
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
345 PM EDT Tue Jul 7 2020
OHC035-153-072100-
/O.CON.KCLE.FF.W.0010.000000T0000Z-200707T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cuyahoga OH-Summit OH-
345 PM EDT Tue Jul 7 2020
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR
SOUTHEASTERN CUYAHOGA AND NORTHEASTERN SUMMIT COUNTIES...
At 2:38 PM EDT, law enforcement reported a road impassable due to
flooding 1 mile west of Northfield. Up to three inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.
Some locations that will experience flooding include...
Solon, Twinsburg, Macedonia, Broadview Heights, Brecksville, Bedford,
Bedford Heights, Independence, Chagrin Falls, Northfield,
Reminderville, Orange, Moreland Hills, Walton Hills, Valley View,
Glenwillow and Bentleyville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4134 8139 4131 8142 4126 8161 4135 8167
4145 8139
FLASH FLOOD...OBSERVED
$$
Kahn087
WGUS71 KCLE 072053
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
453 PM EDT Tue Jul 7 2020
OHC035-153-072103-
/O.EXP.KCLE.FF.W.0010.000000T0000Z-200707T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cuyahoga OH-Summit OH-
453 PM EDT Tue Jul 7 2020
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN CUYAHOGA AND NORTHEASTERN
SUMMIT COUNTIES WILL EXPIRE AT 500 PM EDT...
Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4134 8139 4131 8142 4126 8161 4135 8167
4145 8139
$$The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:15 AM EDT | Special Weather Statement | CLE | Knox | 45 min |
| Jul 7, 12:57 PM EDT | Special Weather Statement | CLE | Summit | 48 min |
| Jul 7, 1:32 PM EDT | Special Weather Statement | CLE | Cuyahoga | 43 min |
| Jul 7, 2:49 PM EDT | Flash Flood Warning | CLE | Portage, Trumbull | 3 hr |
| Jul 7, 3:20 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 25 min |
| Jul 7, 3:33 PM EDT | Areal Flood Advisory | CLE | Mahoning, Stark | 3 hr |
Nearby
Flash Flood Warnings in Ohio, 2020Every flash flood warning in 2020
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.