Alert archive / New York / Areal Flood Advisories in 2011

Areal Flood Advisory 66, NWS Buffalo, NY

September 28, 2011Monroe County, Ontario County, Wayne County, New York

NWS Buffalo, NY issued this areal flood advisory at Sep 28, 2011, 6:10 PM EDT for Monroe County, Ontario County, Wayne County, New York. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Sep 28, 2011, 6:10 PM EDT (22:10 UTC)
Expired: Sep 28, 2011, 9:15 PM EDT
In force: 3 hr
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Monroe County, NY, Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 117 km from the middle of the area, began a volume at 22:11 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

Albany, NY (KALY), launched 12:00Z, 10.2 hours before the alert went out and 286 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: 663 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 117 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 areal 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 areal flood advisory went out at Sep 28, 5:42 PM EDT, 28 minutes earlier.

Area forecast discussion, Sep 28, 5:42 PM EDT, 28 minutes before

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Hazardous weather outlook, Sep 28, 5:13 AM EDT, 12 hours 57 minutes before

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In the hours before

Special weather statement, Sep 28, 5:25 PM EDT, 45 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
Sep 28, 3:46 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	29 min
Sep 28, 4:03 PM EDT	Small Craft Advisory	BUF		4 days
Sep 28, 4:10 PM EDT	Special Marine Warning	BUF		49 min
Sep 28, 4:15 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	15 min

Nearby

Areal Flood Advisories in New York, 2011 Every areal 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.