Alert archive / Vermont / Special Weather Statements in 2011
Special Weather Statement, NWS Burlington, VT
NWS Burlington, VT issued this special weather statement at Jul 13, 2011, 3:20 PM EDT for Addison County, Chittenden County, Grand Isle County, Vermont. It was in force for 55 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
- Jul 13, 2011, 3:20 PM EDT (19:20 UTC)
- Expired
- Jul 13, 2011, 4:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Burlington, VT
Counties Addison County, VT, Chittenden County, VT, Grand Isle County, VT
The radar
The Burlington radar (KCXX), 3 km from the middle of the area, began a volume at 19:21 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
Albany, NY (KALY), launched 12:00Z, 7.3 hours before the alert went out and 208 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
- 31 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1137 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jul 13, 1:55 PM EDT, 1 hour 25 minutes earlier.
Area forecast discussion, Jul 13, 1:55 PM EDT, 1 hour 25 minutes before
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</html>Hazardous weather outlook, Jul 13, 2:27 AM EDT, 12 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BURLINGTON VT 227 AM EDT WED JUL 13 2011 NYZ026>031-034-035-087-VTZ001>012-016>019-140630- 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- 227 AM EDT WED JUL 13 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW YORK...CENTRAL VERMONT...NORTHEAST VERMONT...NORTHWEST VERMONT AND SOUTHERN VERMONT. .DAY ONE...TODAY AND TONIGHT. ISOLATED TO SCATTERED SHOWER AND THUNDERSTORM ACTIVITY IS EXPECTED ACROSS THE NORTH COUNTRY BETWEEN 3 AND 7 PM TODAY. THUNDERSTORMS WILL LIKELY BE A BIT MORE CONCENTRATED ACROSS THE ST. LAWRENCE VALLEY INTO THE NORTHERN ADIRONDACKS MID TO LATE THIS AFTERNOON. STORMS ARE NOT EXPECTED TO BECOME SEVERE. CLOUD TO GROUND LIGHTNING WILL BE THE MAIN THREAT...WITH BRIEF GUSTY WINDS ALSO POSSIBLE IN THE VICINITY OF ANY THUNDERSTORM ACTIVITY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. BANACOS
In the hours before
Special weather statement, Jul 13, 1:47 PM EDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
147 PM EDT WED JUL 13 2011
NYZ026-027-029-030-087-131845-
NORTHERN FRANKLIN NY-NORTHERN ST. LAWRENCE NY-
SOUTHEASTERN ST. LAWRENCE NY-SOUTHERN FRANKLIN NY-
SOUTHWESTERN ST. LAWRENCE NY-
147 PM EDT WED JUL 13 2011
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN FRANKLIN
AND ST. LAWRENCE COUNTIES...
AT 136 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
HOPKINTON TO 5 MILES NORTH OF THERESA IN SAINT LAWRENCE COUNTY NEW
YORK...MOVING SOUTHEAST AT 35 MPH.
WIND GUSTS TO 30 MPH HAVE BEEN REPORTED WITH THESE STORMS. EXPECT
DANGEROUS LIGHTNING AND VERY HEAVY RAIN.
LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
ST. REGIS FALLS...SOUTH COLTON...AZURE MOUNTAIN...SANTA CLARA...
MADAWASKA...FINE...STAR LAKE...CRANBERRY LAKE...WANAKENA...TUPPER
LAKE...HORSESHOE LAKE...
GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.
MOVE INDOORS IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. STAY IN SAFE SHELTER AT
LEAST 30 MINUTES AFTER YOU HEAR THE LAST CLAP OF THUNDER.
LAT...LON 4445 7581 4479 7520 4471 7430 4411 7437
4404 7506 4440 7585
MUCCILLISpecial weather statement, Jul 13, 2:09 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
209 PM EDT WED JUL 13 2011
VTZ011-019-131915-
EASTERN RUTLAND VT-WESTERN RUTLAND VT-
209 PM EDT WED JUL 13 2011
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN RUTLAND COUNTY...
AT 206 PM EDT...A STRONG THUNDERSTORM WAS NEAR FAIR HAVEN IN
RUTLAND COUNTY VERMONT...MOVING SOUTHEAST AT 15 MPH.
WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS STORM. EXPECT DANGEROUS
LIGHTNING AND VERY HEAVY RAIN.
LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
HYDEVILLE...CASTLETON...EAST POULTNEY...POULTNEY...LAKE ST. CATHERINE
STATE...SOUTH POULTNEY...MIDDLETOWN SPRINGS...IRA...CHIPPENHOOK...
NORTH PAWLET...TINMOUTH...WALLINGFORD...
GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.
MOVE INDOORS IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. STAY IN SAFE SHELTER AT
LEAST 30 MINUTES AFTER YOU HEAR THE LAST CLAP OF THUNDER.
LAT...LON 4334 7327 4356 7326 4358 7330 4360 7330
4362 7332 4362 7336 4358 7337 4357 7341
4361 7343 4367 7342 4375 7325 4345 7293
4331 7325
MUCCILLISpecial weather statement, Jul 13, 2:42 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 242 PM EDT WED JUL 13 2011 NYZ028-031-035-VTZ001-005-131945- EASTERN CLINTON NY-EASTERN ESSEX NY-GRAND ISLE VT- WESTERN CHITTENDEN VT-WESTERN CLINTON NY- 242 PM EDT WED JUL 13 2011 ...A HEAVY RAIN PRODUCING THUNDERSTORM WILL AFFECT NORTHEAST NEW YORK AND NORTHWEST VERMONT... AT 230 PM EDT...A THUNDERSTORM PRODUCING HEAVY DOWNPOURS WAS NEAR PERU AND EXIT 35 ON INTERSTATE 87 IN CLINTON COUNTY NEW YORK...MOVING SOUTHEAST AT 5 MPH. WIND GUSTS UP TO 30 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN WILL CAUSE WATER TO POND ON ROADS AND IN POOR DRAINAGE AREAS. LOCALIZED RAINFALL TOTALS OF 1 TO 2 INCHES ARE POSSIBLE. LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO... VALCOUR...VALCOUR ISLAND...EXIT 34 I87...AUSABLE CHASM... KEESEVILLE...JACKSON POINT...PORT KENT...PROVIDENCE ISLAND...STAVE ISLAND...SCHUYLER ISLAND...COLCHESTER REEF... GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES. BOATERS ON LAKE CHAMPLAIN SHOULD SEEK SAFE HARBOR. STRONG WINDS WILL CAUSE HIGHER WAVES AND SUDDEN WIND SHIFTS MAY OVERTURN SMALL BOATS. LAT...LON 4460 7324 4443 7339 4455 7366 4470 7353 MUCCILLI
Special weather statement, Jul 13, 3:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
320 PM EDT WED JUL 13 2011
NYZ028-034-035-VTZ001-002-005-009-017-018-132015-
EASTERN ADDISON VT-EASTERN CHITTENDEN VT-EASTERN CLINTON NY-
EASTERN ESSEX NY-GRAND ISLE VT-WESTERN ADDISON VT-
WESTERN CHITTENDEN VT-WESTERN ESSEX NY-WESTERN FRANKLIN VT-
320 PM EDT WED JUL 13 2011
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE CHAMPLAIN VALLEY
OF NEW YORK AND VERMONT...
AT 312 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
ALBURGH VERMONT TO ELIZABETHTOWN NEW YORK...MOVING SOUTHEAST AT 25
MPH.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. 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.
RAINFALL TOTALS OF UP TO ONE INCH ARE POSSIBLE...WITH LOCALIZED
AMOUNTS FROM 1 TO 3 INCHES IN SOUTHEASTERN CLINTON COUNTY.
LOCATIONS IMPACTED INCLUDE BUT ARE NOT LIMITED TO...
EAST ALBURGH...WEST SWANTON...HOG ISLAND POINT...POTASH POINT...
MCNEIL COVE...HILL POINT...BURLINGTON...ST. ALBANS...SHELBURNE
FALLS...NORTH FAIRFAX...WEST CORNWALL...EAST MONKTON...SHOREHAM
CENTER...
GET TO SAFETY IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.
BOATERS ON LAKE CHAMPLAIN SHOULD SEEK SAFE HARBOR. STRONG WINDS WILL
CAUSE HIGHER WAVES AND SUDDEN WIND SHIFTS MAY OVERTURN SMALL BOATS.
LAT...LON 4452 7285 4379 7328 4418 7364 4502 7340
4502 7324
MUCCILLIThe office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 2:09 PM EDT | Special Weather Statement | BTV | Rutland | 66 min |
| Jul 13, 2:42 PM EDT | Special Weather Statement | BTV | Grand Isle | 63 min |
| Jul 13, 4:18 PM EDT | Special Weather Statement | BTV | Addison, Chittenden, Lamoille, Rutland, Washington | 57 min |
| Jul 13, 4:51 PM EDT | Severe Thunderstorm Warning | BTV | Rutland, Windsor | 54 min |
| Jul 13, 5:30 PM EDT | Severe Thunderstorm Warning | BTV | Orange, Windsor | 60 min |
| Jul 13, 1:47 PM EDT | Special Weather Statement | BTV | St. Lawrence | 58 min |
| Jul 13, 3:56 PM EDT | Areal Flood Advisory | BTV | Clinton | 2 hr |
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.