Alert archive / New York / Special Weather Statements in 2012

Special Weather Statement, NWS Burlington, VT

August 11, 2012Franklin County, New York

NWS Burlington, VT issued this special weather statement at Aug 11, 2012, 4:14 PM EDT for Franklin County, New York. It was in force for 46 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 11, 2012, 4:14 PM EDT (20:14 UTC)
Expired
Aug 11, 2012, 5:00 PM EDT
In force
46 min
Issued by
NWS Burlington, VT

County Franklin County, NY

The radar

The Burlington radar (KCXX), 71 km from the middle of the area, began a volume at 20:17 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, 8.2 hours before the alert went out and 226 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 2012-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 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 2012-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.19395878Sfc1 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
225 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 11, 2:48 PM EDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 11, 2:48 PM EDT, 1 hour 26 minutes before
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Hazardous weather outlook, Aug 11, 10:37 AM EDT, 5 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
1037 AM EDT SAT AUG 11 2012

NYZ026>031-034-035-087-VTZ001>012-016>019-121445-
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-
1037 AM EDT SAT AUG 11 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW YORK...CENTRAL
VERMONT...NORTHEAST VERMONT...NORTHWEST VERMONT AND SOUTHERN
VERMONT.

.DAY ONE...TODAY AND TONIGHT.

ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS
AFTERNOON ACROSS THE NORTH COUNTRY. ANY OF THESE STORMS WILL HAVE
THE POTENTIAL TO PRODUCE GUSTY WINDS AND SMALL HAIL ALONG WITH
LIGHTNING AND BRIEF HEAVY DOWNPOURS. THE THREAT FOR ANY
SIGNIFICANT WEATHER WILL DECREASE AFTER SATURDAY EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Aug 11, 1:27 PM EDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
127 PM EDT SAT AUG 11 2012

NYZ026-087-111800-
NORTHERN ST. LAWRENCE NY-SOUTHWESTERN ST. LAWRENCE NY-
127 PM EDT SAT AUG 11 2012

...A STRONG GUSTY SHOWER WILL MOVE THROUGH NORTH CENTRAL
ST. LAWRENCE COUNTY...

AT 119 PM EDT...A SHOWER WITH STRONG WIND GUSTS WAS NEAR CHIPMAN...
MOVING NORTH AT 20 MPH.

BRIEF HEAVY DOWNPOURS AND WIND GUSTS TO 40 MPH ARE POSSIBLE WITH
THIS SHOWER.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
LOUISVILLE...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.

LAT...LON 4471 7515 4477 7539 4479 7538 4482 7531
      4486 7528 4488 7522 4488 7518 4490 7517
      4491 7512 4493 7509 4495 7501 4497 7501
      4499 7497

MUCCILLI
Special weather statement, Aug 11, 1:48 PM EDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
148 PM EDT SAT AUG 11 2012

NYZ029-087-111830-
SOUTHEASTERN ST. LAWRENCE NY-SOUTHWESTERN ST. LAWRENCE NY-
148 PM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL MOVE THROUGH SOUTHEASTERN ST. LAWRENCE
COUNTY...

AT 141 PM EDT...A STRONG THUNDERSTORM WAS 11 MILES SOUTH OF STAR
LAKE...MOVING NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL UP TO DIME SIZE ARE POSSIBLE WITH
THIS STORM. HEAVY DOWNPOURS AND DANGEROUS LIGHTNING ARE ALSO
OCCURRING WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
STAR LAKE...WANAKENA...NEWTON FALLS...FINE...CRANBERRY LAKE...
CLARE...

LAT...LON 4448 7509 4431 7457 4406 7486 4404 7506
      4411 7521

MUCCILLI
Special weather statement, Aug 11, 2:47 PM EDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
247 PM EDT SAT AUG 11 2012

NYZ029-030-111930-
SOUTHEASTERN ST. LAWRENCE NY-SOUTHERN FRANKLIN NY-
247 PM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL MOVE THROUGH SOUTH CENTRAL FRANKLIN AND
SOUTHEASTERN ST. LAWRENCE COUNTIES...

AT 241 PM EDT...A STRONG THUNDERSTORM WAS NEAR SABATTIS NEW
YORK...MOVING NORTHEAST AT 35 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL UP TO DIME SIZE ARE POSSIBLE WITH
THIS STORM. HEAVY RAIN AND DANGEROUS LIGHTNING ARE ALSO OCCURRING
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
CONIFER...SHURTLEFF...PIERCEFIELD...GALE...CARRY FALLS RESERVOIR...
ST. REGIS MOUNTAIN...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.

LAT...LON 4441 7422 4409 7454 4407 7488 4451 7474

MUCCILLI
Special weather statement, Aug 11, 2:48 PM EDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
248 PM EDT SAT AUG 11 2012

NYZ034-035-VTZ005-009-111945-
EASTERN ESSEX NY-WESTERN ADDISON VT-WESTERN CHITTENDEN VT-
WESTERN ESSEX NY-
248 PM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL MOVE THROUGH SOUTHEASTERN ESSEX...
SOUTHWESTERN CHITTENDEN AND WESTERN ADDISON COUNTIES...

AT 242 PM EDT...A STRONG THUNDERSTORM WAS NEAR TICONDEROGA IN ESSEX
COUNTY NEW YORK...MOVING NORTH AT 20 MPH.

WIND GUSTS TO 40 MPH...HEAVY RAIN...AND SMALL HAIL ARE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
IRONVILLE...SHOREHAM...CROWN POINT...CROWN POINT CENTER...CHIMNEY
POINT...PORT HENRY...D A R STATE PARK...POTASH POINT...WESTPORT...
BUTTON BAY STATE PARK...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.

LAT...LON 4376 7336 4379 7336 4380 7338 4379 7359
      4429 7363 4428 7325 4376 7334
Special weather statement, Aug 11, 3:35 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
335 PM EDT SAT AUG 11 2012

NYZ028-031-034-035-VTZ001>003-005-006-008-016-017-112030-
EASTERN CHITTENDEN VT-EASTERN CLINTON NY-EASTERN ESSEX NY-
EASTERN FRANKLIN VT-GRAND ISLE VT-LAMOILLE VT-ORLEANS VT-
WASHINGTON VT-WESTERN CHITTENDEN VT-WESTERN CLINTON NY-
WESTERN ESSEX NY-WESTERN FRANKLIN VT-
335 PM EDT SAT AUG 11 2012

...A LINE OF STRONG THUNDERSTORMS WILL MOVE THROUGH EASTERN
CLINTON...FRANKLIN...GRAND ISLE...LAMOILLE...NORTHEASTERN ESSEX...
NORTHERN CHITTENDEN...NORTHWESTERN ORLEANS AND NORTHWESTERN
WASHINGTON COUNTIES...

AT 330 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
CLINTONVILLE NEW YORK EAST TO BURLINGTON...MOVING NORTHEAST AT 30
MPH.

WIND GUSTS OF 30 TO 40 MPH...HEAVY RAIN...AND LIGHTNING ARE EXPECTED
WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
KEESEVILLE...AUSABLE CHASM...VALCOUR...EXIT 35 I87...SOUTH HERO...
PROVIDENCE ISLAND...SAVAGE ISLAND...GRAND ISLE STATE PARK...BURTON
ISLAND STATE PARK...KNIGHT POINT STATE PARK...ST. ALBANS BAY...ST.
ALBANS...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES. SEEK
SAFE HARBOR IF ON LAKE CHAMPLAIN.

LAT...LON 4501 7222 4441 7275 4437 7371 4501 7379
Special weather statement, Aug 11, 4:14 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
414 PM EDT SAT AUG 11 2012

NYZ030-031-112100-
SOUTHERN FRANKLIN NY-WESTERN CLINTON NY-
414 PM EDT SAT AUG 11 2012

...A STRONG THUNDERSTORM WILL MOVE THROUGH EAST CENTRAL FRANKLIN AND
WESTERN CLINTON COUNTIES...

AT 408 PM EDT...A STRONG THUNDERSTORM WAS NEAR DEBAR MOUNTAIN IN
FRANKLIN COUNTY NEW YORK...MOVING NORTHEAST AT 25 MPH.

BRIEF HEAVY DOWNPOURS...OCCASIONAL LIGHTNING...AND WIND GUSTS TO 40
MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
CHASM FALLS...ALDER BROOK...BRYANTS MILL...WOLF POND...STANDISH...
CLAYBURG...MERRILL...LYON MOUNTAIN...ELLENBURG MOUNTAIN...ELLENBURG
CENTER...

LAT...LON 4492 7387 4456 7369 4445 7426 4474 7436

MUCCILLI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 2:48 PM EDTSpecial Weather StatementBTVAddison57 min
Aug 11, 3:35 PM EDTSpecial Weather StatementBTVChittenden, Franklin, Grand Isle, Lamoille55 min
Aug 11, 6:28 PM EDTSpecial Weather StatementBTVAddison, Chittenden, Franklin, Grand Isle62 min
Aug 11, 7:22 PM EDTSpecial Weather StatementBTVFranklin, Lamoille53 min
Aug 11, 1:27 PM EDTSpecial Weather StatementBTVSt. Lawrence33 min
Aug 11, 1:48 PM EDTSpecial Weather StatementBTVSt. Lawrence42 min
Aug 11, 1:59 PM EDTSevere Thunderstorm WarningBTVSt. Lawrence31 min
Aug 11, 2:47 PM EDTSpecial Weather StatementBTVFranklin43 min
Aug 11, 4:41 PM EDTSpecial Weather StatementBTVSt. Lawrence49 min
Aug 11, 5:18 PM EDTSevere Thunderstorm WarningBTVSt. Lawrence42 min
Aug 11, 5:58 PM EDTSpecial Weather StatementBTVSt. Lawrence32 min

Nearby

Special Weather Statements in New York, 2012Every special weather statement in 2012

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.