Alert archive / New York / Lakeshore Flood Warnings in 2020

Lakeshore Flood Warning 8, NWS Buffalo, NY

April 8, 20204 counties in New York

NWS Buffalo, NY issued this lakeshore flood warning at Apr 8, 2020, 10:46 AM EDT for 4 counties in New York. It took effect at Apr 10, 2020, 2:00 AM EDT. It was in force for 15 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: Apr 8, 2020, 10:46 AM EDT (14:46 UTC)
In effect from: Apr 10, 2020, 2:00 AM EDT
Expired: Apr 10, 2020, 4:32 PM EDT
In force: 15 hr
Issued by: NWS Buffalo, NY

Counties Cayuga County, NY, Jefferson County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 75 km from the middle of the area, began a volume at 14:48 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

Brookhaven, NY (KOKX), launched 12:00Z, 2.8 hours before the alert went out and 407 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: 605 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: -29 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 lakeshore flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this lakeshore flood warning went out at Apr 8, 6:55 AM EDT, 3 hours 51 minutes earlier.

Area forecast discussion, Apr 8, 6:55 AM EDT, 3 hours 51 minutes before

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Hazardous weather outlook, Apr 8, 4:58 AM EDT, 5 hours 48 minutes 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 Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 9:46 PM EDT	Special Weather Statement	BUF	Chautauqua	29 min
Apr 7, 10:49 PM EDT	Special Marine Warning	BUF		41 min
Apr 7, 11:03 PM EDT	Special Weather Statement	BUF	Chautauqua	57 min
Apr 7, 11:14 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	61 min
Apr 7, 11:44 PM EDT	Special Weather Statement	BUF	Cattaraugus	46 min
Apr 7, 11:53 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	38 min
Apr 8, 4:40 AM EDT	Lakeshore Flood Watch	BUF	Cayuga, Jefferson, Oswego, Wayne	6 hr
Apr 8, 4:24 PM EDT	Small Craft Advisory	BUF		3 days

Nearby

Lakeshore Flood Warnings in New York, 2020 Every lakeshore 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.