Alert archive / Vermont / High Wind Watches in 2017

High Wind Watch 1, NWS Burlington, VT

October 28, 20177 counties in Vermont; Clinton County, Essex County, New York

NWS Burlington, VT issued this high wind watch at Oct 28, 2017, 2:24 PM EDT for 7 counties in Vermont; Clinton County, Essex County, New York. It took effect at Oct 29, 2017, 8:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 28, 2017, 2:24 PM EDT (18:24 UTC)
In effect from
Oct 29, 2017, 8:00 PM EDT
Expired
Oct 29, 2017, 12:34 PM EDT
In force
Issued by
NWS Burlington, VT

Counties Clinton County, NY, Essex County, NY, Addison County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Lamoille County, VT, Orleans County, VT, Rutland County, VT

The radar

The Burlington radar (KCXX), 21 km from the middle of the area, began a volume at 18:21 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

Chatham, MA (KCHH), launched 12:00Z, 6.4 hours before the alert went out and 390 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, Chatham, MA at 12:00Z on 2017-10-28Temperature 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, Chatham, MA at 12:00Z on 2017-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
1217 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
57 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 high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Burlington, VT wrote its last area forecast discussion before this high wind watch went out at Oct 28, 2:01 PM EDT, 23 minutes earlier.

Area forecast discussion, Oct 28, 2:01 PM EDT, 23 minutes before
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Hazardous weather outlook, Oct 28, 4:08 AM EDT, 10 hours 16 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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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 Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 28, 4:20 AM EDTFlash Flood WatchBTVCaledonia, Essex, Lamoille, Orange, Orleans, Rutland and 1 more47 hr

Nearby

High Wind Watches in Vermont, 2017High Wind Watches in New York, 2017Every high wind watch in 2017

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.