Alert archive / Ohio / Flash Flood Warnings in 2018
Flash Flood Warning 8, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 4, 2018, 4:50 PM EDT for Summit County, Ohio. It was in force for 81 min. 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
- Jul 4, 2018, 4:50 PM EDT (20:50 UTC)
- Expired
- Jul 4, 2018, 6:11 PM EDT
- In force
- 81 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Summit County, OH
The radar
The Cleveland radar (KCLE), 37 km from the middle of the area, began a volume at 20:51 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 4, 4:59 PM EDT | FLOOD | Macedonia, OH | 6-12 INCHES OF WATER ON SECTIONS OF ROUTE 82 AND SEVERAL SIDE STREETS IN MACEDONIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 8.8 hours before the alert went out and 149 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
- 541 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
019
WGUS51 KCLE 042050
FFWCLE
OHC153-042345-
/O.NEW.KCLE.FF.W.0008.180704T2050Z-180704T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cleveland OH
450 PM EDT WED JUL 4 2018
The National Weather Service in Cleveland has issued a
* Flash Flood Warning for...
Northeastern Summit County in northeastern Ohio...
* Until 745 PM EDT.
* At 449 PM EDT, Doppler radar indicated thunderstorms near
Macedonia has produced an inch and a half inch of rain across the
warned area. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Hudson, Twinsburg, Macedonia, Northfield, Reminderville, Boston
Heights, Glenwillow and Peninsula.
LAT...LON 4122 8140 4122 8154 4135 8154 4135 8141
4134 8140
$$
Bray1 follow-up statement
874
WGUS71 KCLE 042211
FFSCLE
Flash Flood Statement
National Weather Service Cleveland OH
611 PM EDT WED JUL 4 2018
OHC153-042220-
/O.CAN.KCLE.FF.W.0008.000000T0000Z-180704T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Summit OH-
611 PM EDT WED JUL 4 2018
...THE FLASH FLOOD WARNING FOR NORTHEASTERN SUMMIT COUNTY IS
CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 4122 8140 4122 8154 4135 8154 4135 8141
4134 8140
$$
BrayThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:08 AM EDT | Heat Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Hancock, Holmes and 19 more | 18 hr |
| Jul 4, 12:38 PM EDT | Areal Flood Advisory | CLE | Lorain | 109 min |
| Jul 4, 4:40 PM EDT | Areal Flood Advisory | CLE | Summit | 3 hr |
| Jul 4, 5:07 PM EDT | Areal Flood Advisory | CLE | Geauga | 2 hr |
Nearby
Flash Flood Warnings in Ohio, 2018Every flash flood warning in 2018
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.