Alert archive / Vermont / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 32, NWS Burlington, VT

July 7, 2009Addison County, Chittenden County, Grand Isle County, Vermont; Clinton County, Essex County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jul 7, 2009, 3:07 PM EDT for Addison County, Chittenden County, Grand Isle County, Vermont; Clinton County, Essex County, New York. 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 counties it named.

The facts

Issued
Jul 7, 2009, 3:07 PM EDT (19:07 UTC)
Expired
Jul 7, 2009, 4:00 PM EDT
In force
53 min
Issued by
NWS Burlington, VT
Area
Storm-based polygon

Counties Clinton County, NY, Essex County, NY, Addison County, VT, Chittenden County, VT, Grand Isle County, VT

The radar

The Burlington radar (KCXX), 20 km from the middle of the area, began a volume at 19:06 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 7, 1:28 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jul 7, 1:28 PM EDT, 1 hour 39 minutes before
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Hazardous weather outlook, Jul 7, 4:48 AM EDT, 10 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
448 AM EDT TUE JUL 7 2009

NYZ026>031-034-035-087-VTZ001>012-016>019-080900-
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-
448 AM EDT TUE JUL 7 2009

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 WILL DEVELOP ACROSS THE NORTH COUNTRY AFTER
NOONTIME TODAY...WITH THE THREAT OF THUNDERSTORMS CONTINUING INTO
THE EVENING HOURS. A FEW STORMS MAY BECOME STRONG WITH THE
POTENTIAL FOR GUSTY WINDS AND SMALL HAIL. THE GREATEST POTENTIAL
FOR STRONG STORMS WILL BE ACROSS CENTRAL AND SOUTHERN VERMONT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A CHANCE FOR THUNDERSTORM DEVELOPMENT SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY.

In the hours before

Special weather statement, Jul 7, 12:26 PM EDT, 2 hours 41 minutes before
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Special weather statement, Jul 7, 1:08 PM EDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
108 PM EDT TUE JUL 7 2009

VTZ008-010>012-018-019-071800-
EASTERN ADDISON VT-EASTERN RUTLAND VT-ORANGE VT-WASHINGTON VT-
WESTERN RUTLAND VT-WINDSOR VT-
108 PM EDT TUE JUL 7 2009

...STRONG THUNDERSTORMS WILL AFFECT ADDISON...ORANGE...RUTLAND...
WASHINGTON AND WINDSOR COUNTIES...

AT 104 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM BRAINTREE
TO MENDON TO MT. TABOR...MOVING NORTHEAST AT 15 MPH. VERY HEAVY RAIN
HAS FALLEN IN SOUTHERN RUTLAND COUNTY IN THE HEADWATERS OF MILL
BROOK...NEAR DANBY FOUR CORNERS.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THESE STORMS. VERY HEAVY RAIN
WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL BE NEAR SHREWSBURY...AND EAST WALLINGFORD AROUND
115 PM...RUSSELLVILLE...STOCKBRIDGE...AND GIFFORD WOODS STATE PARK
AROUND 120 PM...WEST BROOKFIELD...NORTH SHREWSBURY...AND BRAINTREE
AROUND 125 PM...MT. HOLLY AND KILLINGTON AROUND 130 PM.

LAT...LON 4330 7299 4330 7305 4362 7300 4403 7284
      4418 7233 4379 7245 4340 7251 4329 7288
      4330 7296 4327 7298

HANSON
Special weather statement, Jul 7, 1:13 PM EDT, 1 hour 54 minutes before
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Special weather statement, Jul 7, 1:54 PM EDT, 1 hour 13 minutes before
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Special weather statement, Jul 7, 2:02 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
202 PM EDT TUE JUL 7 2009

NYZ026-027-029>031-034-087-071900-
NORTHERN FRANKLIN NY-NORTHERN ST. LAWRENCE NY-
SOUTHEASTERN ST. LAWRENCE NY-SOUTHERN FRANKLIN NY-
SOUTHWESTERN ST. LAWRENCE NY-WESTERN CLINTON NY-WESTERN ESSEX NY-
202 PM EDT TUE JUL 7 2009

...STRONG THUNDERSTORMS WILL AFFECT CLINTON...ESSEX...FRANKLIN AND
ST. LAWRENCE COUNTIES OF NEW YORK THROUGH 3 PM...

AT 159 PM EDT...STRONG THUNDERSTORMS WERE NEAR HOPKINTON AND
HORSESHOE LAKE NEW YORK...MOVING EAST AT 25 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL BE NEAR TUPPER LAKE AROUND 200 PM...NICHOLVILLE
AROUND 215 PM...DICKINSON AROUND 230 PM...SARANAC LAKE AROUND 245 PM
AND LAKE PLACID AROUND 300 PM.

EXPECT FREQUENT LIGHTNING FROM THESE STORMS. DO NOT STAY IN THE OPEN
NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

LAT...LON 4487 7412 4421 7376 4408 7428 4411 7429
      4408 7459 4467 7492
Special weather statement, Jul 7, 2:23 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
223 PM EDT TUE JUL 7 2009

NYZ028-030-031-034-035-VTZ001-002-005-006-009-011-012-016>019-071915-
EASTERN ADDISON VT-EASTERN CHITTENDEN VT-EASTERN CLINTON NY-
EASTERN ESSEX NY-EASTERN FRANKLIN VT-EASTERN RUTLAND VT-GRAND ISLE
VT-LAMOILLE VT-SOUTHERN FRANKLIN NY-WESTERN ADDISON VT-
WESTERN CHITTENDEN VT-WESTERN CLINTON NY-WESTERN ESSEX NY-
WESTERN FRANKLIN VT-WESTERN RUTLAND VT-WINDSOR VT-
223 PM EDT TUE JUL 7 2009

...THUNDERSTORMS WILL MOVE OUT OF THE ADIRONDACKS AND DEVELOP IN
THE CHAMPLAIN VALLEY THROUGH 4 PM...

AT 223 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR
PEASLEEVILLE NEW YORK...MOVING NORTHEAST AT 15 MPH.  OTHER STORMS
WERE DEVELOPING SOUTH OF MIDDLEBURY IN VERMONT.

HEAVY RAIN...WIND GUSTS TO 30 MPH...SMALL HAIL AND OCCASIONAL
LIGHTNING ARE POSSIBLE WITH THESE STORMS.

THE STORM IN NEW YORK STORM WILL BE NEAR HARKNESS AROUND 230
PM...PERU AROUND 245 PM...EXIT 35 I87 AROUND 300 PM THEN PLATTSBURGH
 AND THE WEST SHORE OF NORTHERN LAKE CHAMPLAIN AROUND 315 PM.

IF ON THE LAKE SEEK SAFE HARBOR NOW.

IF OUTDOORS...MOVE INSIDE WHEN A THUNDERSTORM APPROACHES.

LAT...LON 4502 7280 4419 7297 4375 7294 4388 7431
      4392 7434 4398 7426 4411 7429 4411 7443
      4422 7437 4465 7383 4500 7358

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 12:26 PM EDTSpecial Weather StatementBTVCaledonia, Essex, Lamoille, Orange, Orleans, Rutland and 2 more49 min
Jul 7, 1:08 PM EDTSpecial Weather StatementBTVWindsor52 min
Jul 7, 1:54 PM EDTSpecial Weather StatementBTVWashington66 min
Jul 7, 2:23 PM EDTSpecial Weather StatementBTVAddison, Chittenden, Franklin, Grand Isle52 min
Jul 7, 4:15 PM EDTSpecial Weather StatementBTVChittenden, Franklin60 min
Jul 7, 4:56 PM EDTSpecial Weather StatementBTVAddison64 min
Jul 7, 5:35 PM EDTSpecial Weather StatementBTVWashington55 min
Jul 7, 5:39 PM EDTSevere Thunderstorm WarningBTVAddison, Orange, Washington42 min
Jul 7, 5:43 PM EDTSpecial Weather StatementBTVRutland62 min
Jul 6, 8:45 PM EDTSpecial Weather StatementBTVFranklin60 min
Jul 6, 9:39 PM EDTSpecial Weather StatementBTVFranklin51 min
Jul 7, 12:04 PM EDTSpecial Weather StatementBTVEssex, Franklin, St. Lawrence56 min
Jul 7, 1:13 PM EDTSpecial Weather StatementBTVClinton, Franklin, St. Lawrence47 min
Jul 7, 2:02 PM EDTSpecial Weather StatementBTVFranklin58 min
Jul 7, 3:28 PM EDTAreal Flood AdvisoryBTVEssex3 hr
Jul 7, 3:53 PM EDTSevere Thunderstorm WarningBTVEssex67 min
Jul 7, 4:05 PM EDTFlash Flood WarningBTVEssex99 min
Jul 7, 6:25 PM EDTSpecial Weather StatementBTVFranklin65 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2009Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.