Alert archive / New York / Freeze Warnings in 2009
Freeze Warning 3, NWS Burlington, VT
NWS Burlington, VT issued this freeze warning at May 31, 2009, 4:00 AM EDT for 4 counties in New York. It took effect at Jun 1, 2009, 12:00 AM EDT. It was in force for 6 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, 4:00 AM EDT (08:00 UTC)
- In effect from
- Jun 1, 2009, 12:00 AM EDT
- Expired
- Jun 1, 2009, 6:01 AM EDT
- In force
- 6 hr
- Issued by
- NWS Burlington, VT
Counties Clinton County, NY, Essex County, NY, Franklin County, NY, St. Lawrence County, NY
The radar
The Burlington radar (KCXX), 83 km from the middle of the area, began a volume at 08:05 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, 8.0 hours before the alert went out and 202 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
- 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
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 4:00 AM EDT | Frost Advisory | BTV | Addison, Caledonia, Chittenden, Essex, Franklin, Lamoille and 4 more | 26 hr |
| May 31, 6:47 PM EDT | Special Weather Statement | BTV | Addison, Chittenden, Grand Isle, Lamoille | 58 min |
| May 31, 7:19 PM EDT | Special Weather Statement | BTV | Addison, Chittenden, Lamoille, Washington | 56 min |
Nearby
Freeze Warnings in New York, 2009Every 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.