Alert archive / New York / Lakeshore Flood Advisories in 2011

Lakeshore Flood Advisory 2, NWS Buffalo, NY

October 14, 2011Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this lakeshore flood advisory at Oct 14, 2011, 3:54 PM EDT for Chautauqua County, Erie County, New York. It took effect at Oct 15, 2011, 7:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Oct 14, 2011, 3:54 PM EDT (19:54 UTC)
In effect from: Oct 15, 2011, 7:00 AM EDT
Expired: Oct 15, 2011, 7:27 PM EDT
In force: 12 hr
Issued by: NWS Buffalo, NY

Counties Chautauqua County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 19:58 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, 7.9 hours before the alert went out and 250 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: 52 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 480 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -60 m²/s²
0-3 km storm-relative helicity: -14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lakeshore flood advisory 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 advisory went out at Oct 13, 7:34 PM EDT, 20 hours 20 minutes earlier.

Area forecast discussion, Oct 13, 7:34 PM EDT, 20 hours 20 minutes before

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The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 14, 4:08 AM EDT	Gale Warning	BUF		54 hr
Oct 14, 4:08 AM EDT	Small Craft Advisory	BUF		12 hr
Oct 14, 3:51 PM EDT	High Wind Warning	BUF	Cattaraugus, Chautauqua, Erie, Genesee, Jefferson, Lewis and 5 more	35 hr
Oct 14, 3:51 PM EDT	Wind Advisory	BUF	Allegany, Cayuga, Livingston, Ontario, Wayne	35 hr

Nearby

Lakeshore Flood Advisories in New York, 2011 Every lakeshore flood advisory in 2011

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.