Alert archive / New York / Freeze Warnings in 2009

Freeze Warning 5, NWS Albany, NY

May 31, 2009Hamilton County, Herkimer County, Warren County, New York; Bennington County, Windham County, Vermont

NWS Albany, NY issued this freeze warning at May 31, 2009, 3:17 AM EDT for Hamilton County, Herkimer County, Warren County, New York; Bennington County, Windham County, Vermont. It took effect at Jun 1, 2009, 12:00 AM EDT. It was in force for 7 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: May 31, 2009, 3:17 AM EDT (07:17 UTC)
In effect from: Jun 1, 2009, 12:00 AM EDT
Expired: Jun 1, 2009, 7:00 AM EDT
In force: 7 hr
Issued by: NWS Albany, NY

Counties Hamilton County, NY, Herkimer County, NY, Warren County, NY, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 07:19 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 00:00Z, 7.3 hours before the alert went out and 72 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: 1997 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 52 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 freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Albany, NY wrote its last area forecast discussion before this freeze warning went out at May 31, 1:44 AM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, May 31, 1:44 AM EDT, 1 hour 33 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 3:17 AM EDT	Frost Advisory	ALY	Columbia, Fulton, Greene, Herkimer, Rensselaer, Saratoga and 3 more	28 hr

Nearby

Freeze Warnings in New York, 2009 Freeze Warnings in Vermont, 2009 Every freeze warning in 2009

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.