Alert archive / Ohio / Lake Effect Snow Warnings in 2024

Lake Effect Snow Warning 5, NWS Cleveland, OH

December 10, 2024Ashtabula County, Ohio; Erie County, Pennsylvania

NWS Cleveland, OH issued this lake effect snow warning at Dec 10, 2024, 3:20 PM EST for Ashtabula County, Ohio; Erie County, Pennsylvania. It took effect at Dec 11, 2024, 4:00 PM EST. It was in force for 39 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 10, 2024, 3:20 PM EST (20:20 UTC)
In effect from: Dec 11, 2024, 4:00 PM EST
Expired: Dec 13, 2024, 7:00 AM EST
In force: 39 hr
Issued by: NWS Cleveland, OH

Counties Ashtabula County, OH, Erie County, PA

The radar

The Cleveland radar (KCLE), 136 km from the middle of the area, began a volume at 20:21 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.3 hours before the alert went out and 175 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 105 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 245 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 lake effect snow warning 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 lake effect snow warning went out at Dec 10, 1:36 PM EST, 1 hour 44 minutes earlier.

Area forecast discussion, Dec 10, 1:36 PM EST, 1 hour 44 minutes before

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Hazardous weather outlook, Dec 10, 7:20 AM EST, 8 hours before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 3:58 AM EST	Gale Watch	CLE		24 hr
Dec 10, 2:46 PM EST	Marine Dense Fog Advisory	CLE		10 hr
Dec 10, 4:00 PM EST	Dense Fog Advisory	CLE	Ashtabula	14 hr

Nearby

Lake Effect Snow Warnings in Ohio, 2024 Lake Effect Snow Warnings in Pennsylvania, 2024 Every lake effect snow warning 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.