Alert archive / New York / Lakeshore Flood Watches in 2012

Lakeshore Flood Watch 2, NWS Buffalo, NY

March 2, 2012Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this lakeshore flood watch at Mar 2, 2012, 4:12 AM EST for Chautauqua County, Erie County, New York. It took effect at Mar 3, 2012, 12:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 2, 2012, 4:12 AM EST (09:12 UTC)
In effect from
Mar 3, 2012, 12:00 AM EST
Expired
Mar 2, 2012, 12:17 PM EST
In force
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 09:10 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

Detroit, MI (KDTX), launched 00:00Z, 9.2 hours before the alert went out and 355 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-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
926 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
30 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 watch 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 watch went out at Mar 2, 4:08 AM EST, 4 minutes earlier.

Area forecast discussion, Mar 2, 4:08 AM EST, 4 minutes before
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Hazardous weather outlook, Mar 1, 3:16 PM EST, 12 hours 56 minutes before
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In the hours before

Special weather statement, Mar 2, 12:13 AM EST, 3 hours 59 minutes before
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Special weather statement, Mar 2, 12:14 AM EST, 3 hours 58 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.

IssuedProductOfficeCountiesLasted
Mar 1, 8:29 PM ESTGale WatchBUF7 hr
Mar 2, 3:35 AM ESTGale WarningBUF46 hr
Mar 2, 4:21 AM ESTHigh Wind WarningBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more39 hr
Mar 2, 12:17 PM ESTLakeshore Flood WarningBUFChautauqua, Erie, Jefferson, Niagara29 hr

Nearby

Lakeshore Flood Watches in New York, 2012Every lakeshore flood watch in 2012

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.