Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Burlington, VT

August 3, 2017Clinton County, New York

NWS Burlington, VT issued this special weather statement at Aug 3, 2017, 1:53 PM EDT for Clinton County, New York. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 3, 2017, 1:53 PM EDT (17:53 UTC)
Expired
Aug 3, 2017, 2:30 PM EDT
In force
37 min
Issued by
NWS Burlington, VT

County Clinton County, NY

The radar

The Burlington radar (KCXX), 68 km from the middle of the area, began a volume at 17:57 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 12:00Z, 5.9 hours before the alert went out and 250 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, Albany, NY at 12:00Z on 2017-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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, Albany, NY at 12:00Z on 2017-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 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
12 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-15 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

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 3, 1:47 PM EDT, 6 minutes earlier.

Area forecast discussion, Aug 3, 1:47 PM EDT, 6 minutes before
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Hazardous weather outlook, Aug 3, 3:27 AM EDT, 10 hours 26 minutes before
Hazardous Weather Outlook
National Weather Service Burlington VT
327 AM EDT Thu Aug 3 2017

NYZ026>031-034-035-087-VTZ001>012-016>019-040730-
Northern St. Lawrence-Northern Franklin-Eastern Clinton-
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Western Essex-Eastern Essex-Southwestern St. Lawrence-Grand Isle-
Western Franklin-Orleans-Essex-Western Chittenden-Lamoille-Caledonia-
Washington-Western Addison-Orange-Western Rutland-Windsor-
Eastern Franklin-Eastern Chittenden-Eastern Addison-Eastern Rutland-
327 AM EDT Thu Aug 3 2017

This Hazardous Weather Outlook is for northern New York, central
Vermont, northeast Vermont, northwest Vermont and southern Vermont.

.DAY ONE...Today and Tonight.

Scattered thunderstorms are expected to develop by early this
afternoon and decrease in areal coverage around sunset. The primary
threat will be gusty winds...small hail...and localized heavy down
pours. A few stronger pulses will be capable of isolated damaging
wind gusts and 1 inch hail...along with very heavy rainfall
rates...which may cause some isolated flash flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Additional thunderstorms are expected on Friday aftnoon into Friday
Night with primary threat being gusty winds and heavy rainfall. A few
severe storms are possible...especially over northern New York.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 3, 12:40 PM EDT, 1 hour 13 minutes before
Special Weather Statement
National Weather Service Burlington VT
1240 PM EDT THU AUG 3 2017

NYZ029-030-031745-
Southeastern St. Lawrence-Southern Franklin-
1240 PM EDT THU AUG 3 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN FRANKLIN COUNTY...

At 1239 PM EDT, a strong thunderstorm was located over Tupper Lake,
moving east at 10 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Saranac Lake, Tupper Lake, Adirondack Regional Airport, Piercefield,
Debar Mountain, Wawbeek, Harrietstown, Paul Smiths, Saranac Inn, Lake
Colby, Rainbow Lake, Gabriels, Lake Clear, Upper Saint Regis, St.
Regis Mountain, Gale, Upper St. Regis, Axton Landing, Coreys and
Conifer.

LAT...LON 4463 7419 4414 7409 4410 7455 4427 7464
TIME...MOT...LOC 1639Z 249DEG 9KT 4422 7451

RDeal
Special weather statement, Aug 3, 12:46 PM EDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service Burlington VT
1246 PM EDT THU AUG 3 2017

VTZ003-004-031745-
Essex-Orleans-
1246 PM EDT THU AUG 3 2017

...A STRONG THUNDERSTORM WILL AFFECT ORLEANS AND NORTHWESTERN ESSEX
COUNTIES...

At 1246 PM EDT, a strong thunderstorm was located over Coventry,
moving northeast at 10 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Newport City, Orleans, Derby Center, Charleston, Newport Town, Jay In
Franklin County, Orleans Village, Brownington, Albany, Coventry,
Barton, Troy, Brownington Village, Irasburg, Derby Line Village,
Westfield, Morgan, Warren Gore, Newport Center and Averys Gore.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4487 7168 4468 7242 4470 7243 4472 7242
      4473 7245 4491 7254 4501 7228 4501 7189
TIME...MOT...LOC 1646Z 246DEG 9KT 4489 7229

RDeal
Special weather statement, Aug 3, 1:23 PM EDT, 30 minutes before
Special Weather Statement
National Weather Service Burlington VT
123 PM EDT THU AUG 3 2017

NYZ031-031815-
Western Clinton-
123 PM EDT THU AUG 3 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CLINTON COUNTY...

At 122 PM EDT, a strong thunderstorm was located over Merrill, moving
northeast at 10 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Merrill, Lyon Mountain, Ellenburg Mountain, Chazy Lake and Standish.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional
information and possible warnings from the National Weather Service.

LAT...LON 4490 7379 4474 7369 4468 7396 4471 7397
      4471 7398 4472 7399 4479 7400
TIME...MOT...LOC 1722Z 238DEG 9KT 4475 7393

RDeal
Special weather statement, Aug 3, 1:46 PM EDT, 7 minutes before
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Special weather statement, Aug 3, 1:53 PM EDT, 0 minutes before
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The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 9:46 PM EDTSevere Thunderstorm WarningBTVFranklin, Grand Isle44 min
Aug 3, 12:46 PM EDTSpecial Weather StatementBTVOrleans59 min
Aug 3, 4:22 PM EDTSpecial Weather StatementBTVWindsor23 min
Aug 3, 4:27 PM EDTSpecial Weather StatementBTVChittenden48 min
Aug 3, 5:14 PM EDTSpecial Weather StatementBTVCaledonia46 min
Aug 3, 6:06 PM EDTSpecial Weather StatementBTVOrange39 min
Aug 3, 12:40 PM EDTSpecial Weather StatementBTVFranklin65 min
Aug 3, 1:23 PM EDTSpecial Weather StatementBTVClinton52 min
Aug 3, 1:46 PM EDTSpecial Weather StatementBTVClinton44 min
Aug 3, 2:20 PM EDTSpecial Weather StatementBTVFranklin25 min
Aug 3, 2:53 PM EDTSpecial Weather StatementBTVSt. Lawrence37 min
Aug 3, 3:01 PM EDTSpecial Weather StatementBTVFranklin59 min
Aug 3, 3:31 PM EDTSpecial Weather StatementBTVSt. Lawrence44 min
Aug 3, 4:19 PM EDTSpecial Weather StatementBTVFranklin41 min
Aug 3, 4:32 PM EDTFlash Flood WarningBTVFranklin, St. Lawrence4 hr
Aug 3, 4:58 PM EDTSpecial Weather StatementBTVSt. Lawrence47 min

Nearby

Special Weather Statements in New York, 2017Every special weather statement 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.