Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 101, NWS Burlington, VT

August 16, 2007Clinton County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Aug 16, 2007, 3:15 PM EDT for Clinton County, New York. It was in force for 30 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 16, 2007, 3:15 PM EDT (19:15 UTC)
Expired
Aug 16, 2007, 3:45 PM EDT
In force
30 min
Issued by
NWS Burlington, VT
Area
Counties, with a storm outline in the text

County Clinton County, NY

The radar

The Burlington radar (KCXX), 53 km from the middle of the area, began a volume at 19:18 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 was reported inside it

TimeReportWhereRemark
Aug 16, 3:30 PM EDTTSTM WND DMG5 S Altona, NYNUMEROUS TREES DOWN IN THE TOWN OF ALTONA AND ON ALBERBEEN ROAD.
Aug 16, 3:30 PM EDTTSTM WND DMGDannemora, NYTREE DOWN ACROSS PICK-UP TRUCK ON GENERAL LEE MANOR RD.
Aug 16, 3:32 PM EDTHAIL 0.88West Beekmantown, NYNICKEL SIZE HAIL AND SMALL BRANCHES DOWN REPORTED
Aug 16, 3:37 PM EDTHAIL 1.75Beekmantown, NYWINDOWS BROKEN IN CARS AND A BROKE FRONT PORCH WINDOW IN THE TOWN OF BEEKMANTOWN FROM LARGE HAIL.
Aug 16, 3:39 PM EDTTSTM WND DMGBeekmantown, NYBETWEEN PLATTSBURGH AND BEEKMANTOWN ESTIMATED 30 TO 40 TREES DOWN IN EVERY DIRECTION NEAR MILE MARKER 159 ON I-87.
Aug 16, 3:39 PM EDTHAIL 1Beekmantown, NYQUARTER SIZE HAIL AND ESTIMATED WIND GUSTS IN EXCESS OF 50 MPH REPORTED.
Aug 16, 3:45 PM EDTTSTM WND DMG3 N Plattsburgh, NYTRACTOR TRAILER BLOWN OVER ON INTERSTATE 87 NEAR EXIT 40

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 6 storm reports to this severe thunderstorm warning; the first came 15 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.3 hours before the alert went out and 240 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 2007-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1347 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
83 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.

000 
WUUS51 KBTV 161916
SVRBTV
NYC019-161945-
/O.NEW.KBTV.SV.W.0101.070816T1915Z-070816T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
315 PM EDT THU AUG 16 2007

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLINTON COUNTY IN NORTHERN NEW YORK

* UNTIL 345 PM EDT.

* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH AND LARGE HAIL. THIS STORM WAS LOCATED NEAR 
  MERRILL...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELLENBURG DEPOT AROUND 320 PM EDT.
  7 MILES NORTH OF DANNEMORA AROUND 325 PM EDT.
  JERICHO AND 9 MILES NORTH OF CADYVILLE AROUND 330 PM EDT.
  SCIOTA AND 9 MILES NORTH OF MORRISONVILLE AROUND 335 PM EDT.
  WEST CHAZY AND BEEKMANTOWN AROUND 340 PM EDT.
  CHAZY AROUND 345 PM EDT.

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS...DESTRUCTIVE
HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4499 7340 4461 7347 4472 7399 4490 7400
TIME...MOT...LOC 1915Z 267DEG 39KT 4481 7387

$$
NASH
1 follow-up statement
000 
WWUS51 KBTV 161932
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
330 PM EDT THU AUG 16 2007

NYC019-161945-
/O.CON.KBTV.SV.W.0101.000000T0000Z-070816T1945Z/
CLINTON NY-
330 PM EDT THU AUG 16 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHERN CLINTON COUNTY...

AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 70 MPH ALONG WITH HAIL.  THIS STORM WAS LOCATED NEAR 
JERICHO..MOVING EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BEEKMANTOWN...WEST CHAZY AROUND 335 PM EDT.
  SOUTH OF CHAZY AND NEAR EXIT 41 OF I87 AROUND 340 PM EDT.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4499 7340 4461 7347 4472 7399 4490 7400
TIME...MOT...LOC 1930Z 270DEG 38KT 4479 7359

$$

NASH

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 Aug 16, 3:05 PM EDT, 10 minutes earlier.

Area forecast discussion, Aug 16, 3:05 PM EDT, 10 minutes before
ZONE FORECAST PRODUCT FOR VERMONT AND NORTHERN NEW YORK
NATIONAL WEATHER SERVICE BURLINGTON VT
305 PM EDT THU AUG 16 2007

NYZ028-035-VTZ001-002-005-009-170815-
EASTERN CLINTON-EASTERN ESSEX-GRAND ISLE-WESTERN FRANKLIN-
WESTERN CHITTENDEN-WESTERN ADDISON-
INCLUDING THE CITIES OF...PLATTSBURGH...PORT HENRY...TICONDEROGA...
ALBURGH...SOUTH HERO...ST. ALBANS...BURLINGTON...MIDDLEBURY...
VERGENNES
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY EVENING...THEN A SLIGHT CHANCE OF SHOWERS THROUGH
EARLY MORNING. SOME THUNDERSTORMS MAY PRODUCE SMALL HAIL AND
DAMAGING WINDS THROUGH EARLY EVENING. LOWS IN THE MID 50S. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH...BECOMING
NORTHWEST 5 TO 15 MPH FROM LATE EVENING ON. CHANCE OF RAIN
50 PERCENT.
.FRIDAY...MOSTLY SUNNY IN THE MORNING...THEN BECOMING CLOUDY WITH A
CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH. CHANCE OF
RAIN 50 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
.SATURDAY NIGHT...CLEAR. LOWS IN THE MID 40S. NORTHWEST WINDS 5 TO
10 MPH.
.SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS IN THE UPPER 60S. LOWS
IN THE UPPER 40S.
.MONDAY NIGHT AND TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S.
.TUESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 50S.
.WEDNESDAY AND WEDNESDAY NIGHT...PARTLY CLOUDY. A 30 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE LOWER 80S. LOWS IN THE LOWER 60S.
.THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE MID 80S.

VTZ003-006-008-016-017-170815-
ORLEANS-LAMOILLE-WASHINGTON-EASTERN FRANKLIN-EASTERN CHITTENDEN-
INCLUDING THE CITIES OF...NEWPORT...JOHNSON...STOWE...MONTPELIER...
ENOSBURG FALLS...RICHFORD...UNDERHILL
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY EVENING...THEN A SLIGHT CHANCE OF
SHOWERS FROM LATE EVENING ON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL THROUGH EARLY EVENING. PATCHY FOG AFTER
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 35 MPH...BECOMING NORTHWEST 5 TO 15 MPH WITH GUSTS UP
TO 30 MPH FROM LATE EVENING ON. CHANCE OF RAIN 70 PERCENT.
.FRIDAY...PARTLY SUNNY. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.FRIDAY NIGHT...CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.SATURDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH WITH GUSTS UP TO 30 MPH UNTIL MIDNIGHT...BECOMING
LIGHT AND VARIABLE.
.SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS IN THE LOWER 60S.
LOWS IN THE LOWER 40S.
.MONDAY AND MONDAY NIGHT...MOSTLY CLEAR. HIGHS IN THE UPPER 60S.
LOWS IN THE UPPER 40S.
.TUESDAY...MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
.TUESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 50S.
.WEDNESDAY AND WEDNESDAY NIGHT...PARTLY CLOUDY. A 30 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE UPPER 70S. LOWS IN THE UPPER 50S.
.THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 80S.

VTZ004-007-170815-
ESSEX-CALEDONIA-
INCLUDING THE CITIES OF...ISLAND POND...ST. JOHNSBURY
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS
LIKELY THROUGH EARLY EVENING...THEN A CHANCE OF SHOWERS THROUGH
EARLY MORNING. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL
HAIL THROUGH EARLY EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. WEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 30 MPH THROUGH
EARLY MORNING...BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 70
PERCENT.
.FRIDAY...PARTLY SUNNY. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.FRIDAY NIGHT...CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.SATURDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
.SATURDAY NIGHT...MOSTLY CLEAR. A CHANCE OF SHOWERS UNTIL MIDNIGHT.
LOWS IN THE LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH UNTIL MIDNIGHT...
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 30 PERCENT.
.SUNDAY...PARTLY SUNNY. HIGHS IN THE LOWER 60S.
.SUNDAY NIGHT AND MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 60S.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE
UPPER 40S. HIGHS AROUND 70.
.WEDNESDAY AND WEDNESDAY NIGHT...PARTLY CLOUDY. A 30 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE UPPER 70S. LOWS IN THE MID 50S.
.THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
AROUND 80.

VTZ011-170815-
WESTERN RUTLAND-
INCLUDING THE CITIES OF...RUTLAND
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY EVENING...THEN A SLIGHT CHANCE OF SHOWERS LATE. SOME
THUNDERSTORMS MAY PRODUCE SMALL HAIL AND DAMAGING WINDS THROUGH
EARLY EVENING. LOWS IN THE MID 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE
OF RAIN 70 PERCENT.
.FRIDAY...MOSTLY SUNNY IN THE MORNING...THEN BECOMING CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS WITH ISOLATED THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE LOWER 70S. WEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT.
.FRIDAY NIGHT...PARTLY CLOUDY WITH A CHANCE OF SHOWERS UNTIL
MIDNIGHT...THEN CLEARING AFTER MIDNIGHT. LOWS IN THE LOWER 50S. WEST
WINDS AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
.SATURDAY NIGHT...CLEAR. LOWS IN THE MID 40S. NORTHWEST WINDS AROUND
5 MPH UNTIL MIDNIGHT...BECOMING LIGHT AND VARIABLE.
.SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS IN THE UPPER 60S. LOWS
IN THE UPPER 40S.
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...PARTLY CLOUDY WITH A
30 PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S.
.THURSDAY...PARTLY SUNNY. HIGHS IN THE MID 80S.

VTZ018-019-170815-
EASTERN ADDISON-EASTERN RUTLAND-
INCLUDING THE CITIES OF...BRISTOL...RIPTON...EAST WALLINGFORD...
KILLINGTON
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY EVENING...THEN A SLIGHT CHANCE OF SHOWERS LATE. SOME
THUNDERSTORMS MAY PRODUCE SMALL HAIL AND DAMAGING WINDS THROUGH
EARLY EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 50S.
SOUTHWEST WINDS 5 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.
.FRIDAY...PARTLY SUNNY. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.FRIDAY NIGHT...CLOUDY. A CHANCE OF SHOWERS UNTIL MIDNIGHT. LOWS IN
THE UPPER 40S. WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 5 TO 10 MPH UNTIL MIDNIGHT...BECOMING LIGHT AND VARIABLE.
.SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS IN THE LOWER 60S.
LOWS IN THE LOWER 40S.
.MONDAY AND MONDAY NIGHT...MOSTLY CLEAR. HIGHS IN THE UPPER 60S.
LOWS IN THE UPPER 40S.
.TUESDAY AND TUESDAY NIGHT...PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE LOWER 50S.
.WEDNESDAY THROUGH THURSDAY...PARTLY CLOUDY WITH A 30 PERCENT CHANCE
OF SHOWERS. HIGHS AROUND 80. LOWS IN THE MID 50S.

NYZ026-027-087-170815-
NORTHERN ST. LAWRENCE-NORTHERN FRANKLIN-SOUTHWESTERN ST. LAWRENCE-
INCLUDING THE CITIES OF...MASSENA...MALONE...OGDENSBURG...POTSDAM...
GOUVERNEUR
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY EVENING...THEN CLEARING TOWARD MORNING. SOME
THUNDERSTORMS MAY PRODUCE SMALL HAIL AND DAMAGING WINDS THROUGH
EARLY EVENING. LOWS AROUND 50. WEST WINDS 10 TO 15 MPH WITH GUSTS UP
TO 35 MPH...DECREASING TO AROUND 5 MPH FROM LATE EVENING ON. CHANCE
OF RAIN 50 PERCENT.
.FRIDAY...SUNNY IN THE MORNING...THEN PARTLY SUNNY WITH SHOWERS
LIKELY WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL IN THE
AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH. CHANCE OF
RAIN 70 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY WITH SHOWERS LIKELY UNTIL MIDNIGHT...
THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 70 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO
10 MPH.
.SATURDAY NIGHT...CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO
10 MPH.
.SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS AROUND 70. LOWS IN THE
UPPER 40S.
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S.
.TUESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 50S.
.WEDNESDAY...PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE LOWER 80S.
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT
CHANCE OF SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S.

NYZ029>031-034-170815-
SOUTHEASTERN ST. LAWRENCE-SOUTHERN FRANKLIN-WESTERN CLINTON-
WESTERN ESSEX-
INCLUDING THE CITIES OF...STAR LAKE...SARANAC LAKE...TUPPER LAKE...
DANNEMORA...LAKE PLACID
305 PM EDT THU AUG 16 2007

.TONIGHT...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH EARLY EVENING...THEN MOSTLY CLEAR TOWARD EARLY MORNING. SOME
THUNDERSTORMS MAY PRODUCE SMALL HAIL AND DAMAGING WINDS THROUGH
EARLY EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE UPPER 40S.
WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH...BECOMING NORTHWEST
AROUND 5 MPH FROM LATE EVENING ON. CHANCE OF RAIN 50 PERCENT.
.FRIDAY...PARTLY SUNNY. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST
WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.FRIDAY NIGHT...CLOUDY. A CHANCE OF SHOWERS UNTIL MIDNIGHT. LOWS IN
THE MID 40S. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS
5 TO 10 MPH. GUSTS UP TO 30 MPH UNTIL MIDNIGHT.
.SUNDAY AND SUNDAY NIGHT...MOSTLY CLEAR. HIGHS IN THE LOWER 60S.
LOWS IN THE MID 40S.
.MONDAY...MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
.MONDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 40S.
.TUESDAY...MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
.TUESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 50S.
.WEDNESDAY AND WEDNESDAY NIGHT...PARTLY CLOUDY. A 30 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE UPPER 70S. LOWS IN THE MID 50S.
.THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 70S.

VTZ010-012-170815-
ORANGE-WINDSOR-
INCLUDING THE CITIES OF...BRADFORD...RANDOLPH...SPRINGFIELD...
WHITE RIVER JUNCTION
305 PM EDT THU AUG 16 2007

.TONIGHT...PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
THROUGH EARLY EVENING...THEN A SLIGHT CHANCE OF SHOWERS LATE. SOME
THUNDERSTORMS MAY PRODUCE SMALL HAIL AND DAMAGING WINDS THROUGH
EARLY EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 50S. WEST
WINDS 5 TO 15 MPH. CHANCE OF RAIN 70 PERCENT.
.FRIDAY...PARTLY SUNNY. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AND SMALL HAIL IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 40 PERCENT.
.FRIDAY NIGHT...MOSTLY CLOUDY. A CHANCE OF SHOWERS UNTIL MIDNIGHT.
LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH. CHANCE OF RAIN
50 PERCENT.
.SATURDAY...PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
10 TO 15 MPH.
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST WINDS
5 TO 10 MPH UNTIL MIDNIGHT...BECOMING LIGHT AND VARIABLE.
.SUNDAY THROUGH MONDAY...MOSTLY CLEAR. HIGHS IN THE MID 60S. LOWS IN
THE LOWER 40S.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 40S.
.TUESDAY AND TUESDAY NIGHT...PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE LOWER 50S.
.WEDNESDAY THROUGH THURSDAY...PARTLY CLOUDY WITH A 30 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE LOWER 80S. LOWS IN THE MID 50S.
Hazardous weather outlook, Aug 16, 5:44 AM EDT, 9 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
544 AM EDT THU AUG 16 2007

NYZ026>031-034-035-087-VTZ001-002-005-006-008>012-016>019-170945-
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-WESTERN CHITTENDEN-LAMOILLE-WASHINGTON-
WESTERN ADDISON-ORANGE-WESTERN RUTLAND-WINDSOR-EASTERN FRANKLIN-
EASTERN CHITTENDEN-EASTERN ADDISON-EASTERN RUTLAND-
544 AM EDT THU AUG 16 2007

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. GUSTY WINDS
ARE EXPECTED IN THUNDERSTORMS. AN ISOLATED SEVERE STORM IS
POSSIBLE WITH DAMAGING WINDS THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VTZ003-004-007-170945-
ORLEANS-ESSEX-CALEDONIA-
544 AM EDT THU AUG 16 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST VERMONT.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. GUSTY WINDS
ARE EXPECTED IN THUNDERSTORMS. AN ISOLATED SEVERE STORM IS
POSSIBLE WITH DAMAGING WINDS THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

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 16, 1:22 PM EDT, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
122 PM EDT THU AUG 16 2007

NYZ026>031-034-035-087-VTZ001-002-005-009-016>018-161845-
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-WESTERN CHITTENDEN-WESTERN ADDISON-
EASTERN FRANKLIN-EASTERN CHITTENDEN-EASTERN ADDISON-
INCLUDING THE CITIES OF...MASSENA...MALONE...PLATTSBURGH...
STAR LAKE...SARANAC LAKE...TUPPER LAKE...DANNEMORA...
LAKE PLACID...PORT HENRY...TICONDEROGA...OGDENSBURG...POTSDAM...
GOUVERNEUR...ALBURGH...SOUTH HERO...ST. ALBANS...BURLINGTON...
MIDDLEBURY...VERGENNES...ENOSBURG FALLS...RICHFORD...UNDERHILL...
BRISTOL...RIPTON
122 PM EDT THU AUG 16 2007

...STRONG THUNDERSTORMS EXPECTED THIS AFTERNOON...

SCATTERED THUNDERSTORMS WERE DEVELOPING ACROSS ONTARIO AND MOVING
RAPIDLY EASTWARD TOWARD NORTHERN NEW YORK. THESE STORMS ARE
EXPECTED TO MOVE INTO THE SAINT LAWRENCE VALLEY AFTER 2 PM...AND
REACH THE CHAMPLAIN VALLEY BETWEEN 4 AND 5 PM.

SOME OF THE THUNDERSTORMS ARE EXPECTED TO BECOME STRONG...AND BE
CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF 40 MPH...HAIL AND
BRIEFLY HEAVY RAINFALL.

NASH
Special weather statement, Aug 16, 2:55 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
255 PM EDT THU AUG 16 2007

NYZ026-027-087-162000-
NORTHERN FRANKLIN-NORTHERN ST. LAWRENCE-SOUTHWESTERN ST. LAWRENCE-
INCLUDING...MASSENA AND OGDENSBURG
255 PM EDT THU AUG 16 2007

...STRONG THUNDERSTORM APPROACHING ST LAWRENCE COUNTY...

AT 255 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 11 MILES NORTHWEST OF OGDENSBURG...MOVING EAST AT 45
MPH.

THE THUNDERSTORM WILL REACH THE BORDER WADDINGTON BY 320 PM AND
THEN MOVE TO NEAR MASSENA BY 335 PM AND HOGANSBURG AND SOUTH BOMBAY
BY 400 PM.

SMALL HAIL AND WIND GUSTS OF 40 MPH OR HIGHER MAY ACCOMPANY THE
THUNDERSTORMS.

NASH
Special weather statement, Aug 16, 3:05 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
305 PM EDT THU AUG 16 2007

NYZ028-030-031-162000-
EASTERN CLINTON-WESTERN CLINTON-SOUTHERN FRANKLIN-
INCLUDING...ALTONA...BRAINARDSVILLE...BRYANTS MILL...CHASM FALLS...
CHAZY LAKE...DEBAR MOUNTAIN...DICKINSON CENTER...DUANE CENTER...
ELLENBURG...ELLENBURG CENTER...ELLENBURG DEPOT...ELLENBURG
MOUNTAIN...HARRIGAN...IRONA...LOON LAKE...LYON MOUNTAIN...MERRILL...
OWLS HEAD...RIVERVIEW...SANTA CLARA...ST. REGIS FALLS...STANDISH...
WHIPPLEVILLE AND WOLF POND
305 PM EDT THU AUG 16 2007

...STRONG THUNDERSTORMS OVER NORTHERN NEW YORK...

AT 305 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS...SOME STRONG...FROM WESTERN CLINTON COUNTY NEAR
ELLENBURG SOUTHWEST ACROSS FRANKLIN COUNTY. THESE THUNDERSTORMS
WERE MOVING EAST AT 40 MPH.

SMALL HAIL AND STRONG WIND GUSTS OF 40 MPH OR HIGHER...ALONG WITH
HEAVY RAINFALL MAY ACCOMPANY THE THUNDERSTORMS.

NASH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 3:21 PM EDTSevere Thunderstorm WarningBTVSt. Lawrence24 min
Aug 16, 3:39 PM EDTSevere Thunderstorm WarningBTVClinton51 min

Nearby

Severe Thunderstorm Warnings in New York, 2007Every severe thunderstorm warning in 2007

Sources

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