Alert archive / Ohio / Flood Watches in 2024

Flood Watch 2, NWS Cleveland, OH

April 11, 202428 counties in Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this flood watch at Apr 11, 2024, 11:05 AM EDT for 28 counties in Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Apr 11, 2024, 11:05 AM EDT (15:05 UTC)
Expired: Apr 12, 2024, 4:00 AM EDT
In force: 17 hr
Issued by: NWS Cleveland, OH
Flood severity: None

All 30 counties

Ashland County, OH, Ashtabula County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 34 km from the middle of the area, began a volume at 15:06 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 (KPIT), launched 12:00Z, 3.1 hours before the alert went out and 189 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 22 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1066 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this 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 flood watch went out at Apr 11, 9:16 AM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Apr 11, 9:16 AM EDT, 1 hour 49 minutes before

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Hazardous weather outlook, Apr 11, 5:20 AM EDT, 5 hours 45 minutes before

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The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 11, 4:26 AM EDT	Small Craft Advisory	CLE		36 hr
Apr 11, 11:32 AM EDT	River Flood Warning	CLE	Holmes, Wayne	5 days
Apr 11, 3:13 PM EDT	Wind Advisory	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more	37 hr
Apr 11, 4:40 PM EDT	River Flood Warning	CLE	Lorain	34 hr

Nearby

Flood Watches in Ohio, 2024 Flood Watches in Pennsylvania, 2024 Every flood watch in 2024

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.