Alert archive / Ohio / Flash Flood Watches in 2019
Flash Flood Watch 1, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood watch at May 29, 2019, 12:17 PM EDT for 6 counties in Ohio. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 2019, 12:17 PM EDT (16:17 UTC)
- Expired
- May 29, 2019, 6:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Cleveland, OH
- Flood severity
- None
Counties Holmes County, OH, Knox County, OH, Mahoning County, OH, Portage County, OH, Stark County, OH, Trumbull County, OH
The radar
The Cleveland radar (KCLE), 70 km from the middle of the area, began a volume at 16:21 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
Pittsburgh, PA (KAGC), launched 12:00Z, 4.3 hours before the alert went out and 122 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
- 738 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.3
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cleveland, OH wrote its last area forecast discussion before this flash flood watch went out at May 29, 11:46 AM EDT, 31 minutes earlier.
Area forecast discussion, May 29, 11:46 AM EDT, 31 minutes before
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</html>Hazardous weather outlook, May 29, 5:14 AM EDT, 7 hours 3 minutes before
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Local storm report, May 29, 8:24 AM EDT, 3 hours 53 minutes before
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</html>Local storm report, May 29, 10:11 AM EDT, 2 hours 6 minutes before
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</html>The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 8:30 PM EDT | Areal Flood Advisory | CLE | Cuyahoga, Summit | 4 hr |
| May 28, 10:45 PM EDT | Areal Flood Warning | CLE | Mahoning, Portage | 6 hr |
| May 29, 12:47 PM EDT | Areal Flood Advisory | CLE | Mahoning, Trumbull | 4 hr |
| May 29, 12:56 PM EDT | Areal Flood Advisory | CLE | Holmes | 3 hr |
Nearby
Flash Flood Watches in Ohio, 2019Every flash flood watch in 2019
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.