Alert archive / Vermont / Special Weather Statements in 2011

Special Weather Statement, NWS Burlington, VT

June 18, 2011Rutland County, Vermont

NWS Burlington, VT issued this special weather statement at Jun 18, 2011, 1:52 PM EDT for Rutland County, Vermont. It was in force for 53 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
Jun 18, 2011, 1:52 PM EDT (17:52 UTC)
Expired
Jun 18, 2011, 2:45 PM EDT
In force
53 min
Issued by
NWS Burlington, VT

County Rutland County, VT

The radar

The Burlington radar (KCXX), 82 km from the middle of the area, began a volume at 17:53 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 142 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 2011-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 2011-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
11 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
737 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
100 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 Jun 18, 1:41 PM EDT, 11 minutes earlier.

Area forecast discussion, Jun 18, 1:41 PM EDT, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
141 PM EDT SAT JUN 18 2011

.SYNOPSIS...
A COLD FRONT WILL SWEEP THROUGH THE REGION TODAY...WITH A BRIEF
PERIOD OF SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS EARLY THIS
AFTERNOON. HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT...AND
PROVIDE THE NORTH COUNTRY WITH CLEAR SKIES AND SLIGHTLY BELOW
NORMAL TEMPERATURES THROUGH THE REMAINDER OF THE WEEKEND.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
AS OF 1240 PM EDT SATURDAY...THE COMBINATION OF SFC COLD
FRONT...LAKE BREEZY BOUNDARY AND HIGHER TRRN OF THE
DACKS...INTERACTING WITH SOME SFC INSTABILITY HAS RESULTED IN A
BROKEN LINE OF SHOWERS/STORMS ACRS THE WESTERN CPV ATTM. THIS LINE
WL CONT TO MOVE EAST/SOUTHEAST THRU THE CPV AND PARTS OF
CENTRAL/NORTHERN VT THIS AFTN. MID/UPPER LVL DRY SLOT WL LIMIT
AREAL COVERAGE/INTENSITY OF STORMS THIS AFTN. WL MENTION CHC POPS
ALONG AND EAST OF THE CPV AND PART OF THE WESTERN DACKS. GIVEN SFC
BASED CAPES APPROACHING 2000 J/KG ACRS THE CPV...A FEW STORMS MAY
CONTAIN SMALL HAIL AND BRIEF GUSTY WINDS...ALONG WITH CLOUD TO
GROUND LIGHTNING. OTHERWISE...MUCH DRIER AIR WITH SFC DWPTS
FALLING BACK INTO THE 40S/50S IS ADVECTING INTO THE SLV ATTM AND
WL BE INTO THE CPV BY EVENING. TEMPS WL WARM INTO THE 70S TO NEAR
80 MOST LOCATIONS WITH SOUTH WINDS BECMG NORTHWEST BEHIND SFC
BOUNDARY AT 5 TO 15 MPH.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/...
AS OF 424 AM EDT SATURDAY...HIGH PRESSURE CONTINUES TO BUILD INTO
THE REGION TONIGHT AND RIGHT THROUGH SUNDAY WITH GENERALLY CLEAR
SKIES EXPECTED. AN UPPER LOW DROPPING SOUTHWARD THROUGH QUEBEC
WILL GLANCE NORTHERN VERMONT ON SUNDAY WITH JUST A GENERAL
INCREASE IN SKY COVER EXPECTED...THOUGH SHOULD REMAIN PARTLY SUNNY.
COLD AIR ADVECTION IN PLACE FOR SUNDAY AS WELL SO TEMPS WILL
REMAIN SLIGHTLY BELOW SEASONAL NORMALS.

&&

.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
AS OF 406 AM EDT SATURDAY...HIGH PRESSURE WILL BE OVER FORECAST
AREA SUNDAY NIGHT PROVIDING MAINLY CLEAR SKIES AND RATHER COOL
TEMPS TO THE REGION. EXPECT LOWS IN THE 40S TO AROUND 50...EXCEPT
FOR SOME 30S IN THE ADIRONDACKS. HIGH PRESSURE WEAKENS WHILE
MOVING EAST OF THE AREA ON MONDAY. WARM ADVECTION COUPLED WITH
WEAK DISTURBANCE IN THE FLOW ALOFT MOVING EAST FROM GREAT LAKES
WILL RESULT IN AN INCREASE IN CLOUDS WITH A CHANCE OF SHOWERS
LATER IN THE DAY OVER WESTERN ZONES.

LATEST GFS AND ECMWF IN FAIRLY GOOD AGREEMENT FOR MONDAY NIGHT INTO
TUESDAY WITH INCREASED CHANCES FOR SHOWERS AND POSSIBLE THUNDER AS
TROUGH OF LOW PRESSURE MOVES EAST ACROSS THE REGION. A BREAK IN THE
PRECIPITATION FOR TUESDAY NIGHT INTO WEDNESDAY AS THIS DISTURBANCE
DEPARTS AND WEAK RIDGING DEVELOPS OVER THE NORTH COUNTRY.

RESPITE FROM SHOWERS SHORT LIVED HOWEVER AS LARGER SCALE UPPER
TROUGH MOVES INTO THE GREAT LAKES REGION BY THURSDAY. SOUTHWEST
FLOW ALOFT COMBINED WITH SERIES OF SHORTWAVES WILL RESULT IN
INCREASED MOISTURE AND CHANCES FOR PRECIPITATION LATER WEDNESDAY
NIGHT INTO FRIDAY.

TEMPERATURES NEAR OR A COUPLE OF DEGREES BELOW SEASONAL NORMALS FOR
THE PERIOD.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
THROUGH 18Z SUNDAY...ISOLATED TO SCATTERED THUNDERSTORMS WILL MOVE
ACROSS VERMONT THIS AFTERNOON THROUGH ABOUT 22Z. VERY HEAVY RAIN
AND SMALL HAIL CAN BE EXPECTED WITH THESE STORMS AS WELL AS IFR
CONDITIONS FOR A BRIEF PERIOD OF TIME. OTHERWISE...COLD FRONT
MOVES EAST OF THE AREA BY TONIGHT AND DRY AIR MOVES IN FOR VFR
CONDITIONS DURING THE REMAINDER OF THE PERIOD.

OUTLOOK 18Z SUNDAY THROUGH WEDNESDAY...
18Z SUNDAY THROUGH 00Z TUESDAY...VFR UNDER HIGH PRESSURE. LATE
NIGHT/EARLY MORNING FOG POSSIBLE AT KSLK/KMPV. 00Z TUESDAY THROUGH
06Z WEDNESDAY...MVFR RAIN SHOWERS POSSIBLE WITH WEAK SYSTEM
PASSAGE. 06Z WEDNESDAY THROUGH 00Z THURSDAY...VFR UNDER HIGH
PRESSURE. LATE NIGHT/EARLY MORNING FOG POSSIBLE AT KSLK/KMPV.

&&

.BTV WATCHES/WARNINGS/ADVISORIES...
VT...NONE.
NY...NONE.

&&

SYNOPSIS...LAHIFF
NEAR TERM...TABER
SHORT TERM...LAHIFF
LONG TERM...RJS
AVIATION...EVENSON/LAHIFF
Hazardous weather outlook, Jun 18, 4:36 AM EDT, 9 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
436 AM EDT SAT JUN 18 2011

NYZ026>031-034-035-087-VTZ001>012-016>019-190845-
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-
436 AM EDT SAT JUN 18 2011

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

.DAY ONE...TODAY AND TONIGHT.

A FEW THUNDERSTORMS ARE POSSIBLE TODAY AS A COLD FRONT MOVES SOUTH
ACROSS THE AREA.

.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

Local storm report, Jun 18, 1:24 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
124 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0117 PM     HAIL             FAIRFAX                 44.67N  73.01W
06/18/2011  M0.75 INCH       FRANKLIN           VT   TRAINED SPOTTER

&&

EVENT NUMBER BTV1100316

TABER
Special weather statement, Jun 18, 1:24 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
124 PM EDT SAT JUN 18 2011

VTZ002-005-006-008-016-017-181815-
EASTERN CHITTENDEN VT-EASTERN FRANKLIN VT-LAMOILLE VT-WASHINGTON VT-
WESTERN CHITTENDEN VT-WESTERN FRANKLIN VT-
124 PM EDT SAT JUN 18 2011

...A STRONG THUNDERSTORM WILL IMPACT THE CHAMPLAIN VALLEY OF VERMONT
AND NORTH CENTRAL VERMONT...

AT 112 PM EDT...A STRONG THUNDERSTORM WAS LOCATED BETWEEN WESTFORD
AND FAIRFAX...MOVING SOUTHEAST AT 25 MPH.

WIND GUSTS TO 50 MPH...HAIL UP TO DIME SIZE....AND VERY HEAVY RAIN
CAN BE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  NORTH UNDERHILL...AND PLEASANT VALLEY AROUND 130 PM EDT...
  UNDERHILL STATE PARK...AND SMUGGLERS NOTCH AROUND 140 PM EDT...
  MOSCOW...AND LITTLE RIVER STATE PARK AROUND 200 PM EDT...
  STOWE...AND WATERBURY CENTER AROUND 210 PM EDT...
  MOUNT WORCESTER...AND WORCESTER AROUND 220 PM EDT...

GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.

LAT...LON 4445 7232 4424 7254 4459 7314 4474 7299

BOYD/EVENSON
Local storm report, Jun 18, 1:25 PM EDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
125 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0118 PM     HAIL             2 NW WESTFORD           44.63N  73.04W
06/18/2011  E0.25 INCH       CHITTENDEN         VT   NWS EMPLOYEE

&&

EVENT NUMBER BTV1100317

TABER
Special weather statement, Jun 18, 1:26 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
126 PM EDT SAT JUN 18 2011

VTZ002-003-006-016-181830-
EASTERN FRANKLIN VT-LAMOILLE VT-ORLEANS VT-WESTERN FRANKLIN VT-
126 PM EDT SAT JUN 18 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN FRANKLIN...
NORTHEASTERN LAMOILLE AND WESTERN ORLEANS COUNTIES...

AT 123 PM EDT...A STRONG THUNDERSTORM WAS NEAR ENOSBURG FALLS...
MOVING EAST AT 20 MPH.

WIND GUSTS TO 50 MPH AND SMALL HAIL UP TO DIME SIZE ARE POSSIBLE WITH
THIS STORM. VERY HEAVY RAIN WILL CAUSE WATER TO POND ON ROADS AND IN
POOR DRAINAGE AREAS. THERE MAY BE RAPID RISES ON SMALL STREAMS AND
CREEKS.

LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
EAST BERKSHIRE...EAST ENOSBURG...MONTGOMERY...SOUTH RICHFORD...
MONTGOMERY CENTER...JAY...WESTFIELD...TROY...SOUTH NEWPORT...
COVENTRY...

LAT...LON 4495 7219 4469 7230 4487 7295 4502 7288
      4502 7274
Local storm report, Jun 18, 1:42 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BURLINGTON VT
142 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0135 PM     HAIL             NORTH UNDERHILL         44.59N  72.93W
06/18/2011  M0.25 INCH       CHITTENDEN         VT   TRAINED SPOTTER

            HAIL COVERING THE GROUND

&&

EVENT NUMBER BTV1100318

MAB
Special weather statement, Jun 18, 1:52 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
Jun 18, 1:06 PM EDTSpecial Weather StatementBTVChittenden54 min
Jun 18, 1:24 PM EDTSpecial Weather StatementBTVLamoille51 min
Jun 18, 1:26 PM EDTSpecial Weather StatementBTVFranklin, Orleans64 min
Jun 18, 1:41 PM EDTSevere Thunderstorm WarningBTVFranklin, Lamoille, Orleans64 min
Jun 18, 1:46 PM EDTSevere Thunderstorm WarningBTVCaledonia, Chittenden, Lamoille, Orange, Washington59 min
Jun 18, 2:30 PM EDTSevere Thunderstorm WarningBTVAddison, Rutland, Windsor60 min
Jun 18, 2:46 PM EDTSpecial Weather StatementBTVEssex59 min
Jun 18, 2:50 PM EDTSpecial Weather StatementBTVOrange, Washington55 min
Jun 18, 3:36 PM EDTSpecial Weather StatementBTVWindsor54 min

Nearby

Special Weather Statements in Vermont, 2011Every special weather statement in 2011

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.