Alert archive / New York / Frost Advisories in 2009
Frost Advisory 3, NWS Albany, NY
NWS Albany, NY issued this frost advisory at May 10, 2009, 3:56 AM EDT for 12 counties in New York; Bennington County, Windham County, Vermont; Berkshire County, Massachusetts. It took effect at May 11, 2009, 2:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 10, 2009, 3:56 AM EDT (07:56 UTC)
- In effect from
- May 11, 2009, 2:00 AM EDT
- Expired
- May 11, 2009, 6:34 AM EDT
- In force
- 5 hr
- Issued by
- NWS Albany, NY
Counties Berkshire County, MA, Albany County, NY, Columbia County, NY, Dutchess County, NY, Fulton County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Warren County, NY, Washington County, NY, Bennington County, VT, Windham County, VT
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 7.9 hours before the alert went out and 16 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.
- Mixed-layer CAPE
- 108 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
What forecasters said that day
The local office's own words before this frost advisory 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 frost advisory went out at May 9, 7:55 PM EDT, 8 hours 1 minute earlier.
Area forecast discussion, May 9, 7:55 PM EDT, 8 hours 1 minute before
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</html>Hazardous weather outlook, May 9, 7:27 PM EDT, 8 hours 29 minutes before
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</html>Nearby
Frost Advisories in New York, 2009Frost Advisories in Vermont, 2009Frost Advisories in Massachusetts, 2009Every frost advisory 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.