A mid atmospheric disturbance and surface trough moved into a warm and unstable airmass across northern New York during the afternoon of the 19th. Scattered thunderstorms developed during the mid to late afternoon hours and produced localized wind damage in the form of downed trees and powerlines.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BTV wrote it up.
A mid atmospheric disturbance and surface trough moved into a warm and unstable airmass across northern New York during the afternoon of the 19th. Scattered thunderstorms developed during the mid to late afternoon hours and produced localized wind damage in the form of downed trees and powerlines. Some communities affected included; Malone (Franklin county), Saranac (Clinton county) and Westport (Essex county).
The local office's own words before the first event, 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 the first event at Jun 19, 12:33 PM EST, 20 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BURLINGTON VT 133 PM EDT TUE JUN 19 2007 .SYNOPSIS... HIGH PRESSURE WILL SLIDE EAST OF THE REGION TODAY...DELIVERING A VERY WARM AND INCREASINGLY HUMID DAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS NORTHERN NEW YORK LATE TODAY AND BECOME MORE NUMEROUS ACROSS NORTHERN NEW YORK AND VERMONT TONIGHT...AS A COLD FRONT MOVES INTO THE REGION. SOME STORMS MAY CONTAIN STRONG WINDS AND HAIL LATE TODAY IN NORTHERN NEW YORK AND ALL THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL. ON WEDNESDAY...HIGH PRESSURE BUILDS INTO THE REGION WITH COOLER TEMPERATURES. && .NEAR TERM /THROUGH TONIGHT/... VISIBLE SATELLITE LOOP SHOWING MOSTLY CLEAR SKIES ACROSS THE REGION AT THIS TIME...WITH JUST SOME CU STARTING TO DEVELOP OVER THE ADIRONDACKS. PREVIOUSLY ISSUED ZONE FORECASTS STILL LOOK GOOD...SO NO UPDATES WILL BE ISSUED. && .SHORT TERM /WEDNESDAY THROUGH WEDNESDAY NIGHT/... OTHERWISE...THE ABV MNTD DYNAMICS WL KEEP CONVECTION GOING AND PSBLY FIRE SOME ADDTNL TRW AS LLVL INSTABILITY WL STL BE PLENTIFUL. THE H3-H5 JET LIFTING NNE (PARALLEL) TO FNTL BNDRY BTWN 00-06Z WED WITH TREMENDOUS UVM SUGGESTING PTNL SLOWING OF ESTWRD PROGRESS AT THIS TIME. IN FACT...SRN STREAM HAS S/W THAT HAS LIFTED THRU MS RVR VLY AND WL TRAVERSE ACRS MID-ATLANTIC STATES INTO NJ WITH ANTHR AREA OF PSBL CONVECTION. PWATS INCREASE TO LCLLY 2+ INCHES ALG FNTL BNDRY AND LOOKING AT THE PSBLTY OF TRAINING TSRA WITH TROP DOWNPOURS ACRS NRN NY BFR MIDNGT WITH GRDL WEAKENING AFT MIDNGT ACRS VT. THE FNT CUD STALL ACRS CT RVR VLY ARD 12Z WED DUE TO THE S/W AND CONVECTION ARD NJ THAT MAY ATTEMPT TO DVLP A WEAK WAVE AND FVRBL SSW FLOW WL LKLY DRAW SOME OF THAT CONVECTION NE ALG THIS FNTL BNDRY. ATTM...ANTECEDENT CONDS ARE IN GOOD SHAPE WITH RECENT DRY WX...BUT CUD NOT RULE OUT LCLZD PONDING PRBLMS DUE TO TORRENTIAL RAINS. MID LVL S/W MVS ACRS FA WED WITH GRDL DRYING BUT NOT BFR PROVIDING SOME LIFT FOR INSTABILITY MTN -SHRA DRG PSG. WEAK RIDGING AT ALL LVLS AND COOLER AIRMASS WED NGT SPELLS GOOD OPPORTUNITY FOR RADTNL COOLING AND PATCHY FOG. && .LONG TERM /THURSDAY THROUGH TUESDAY/... UPDATED 335AM TUE MADE A FEW MODIFICATIONS TO THE LONG TERM...BUT CONFIDENCE IS STILL ON THE LOW SIDE AS NORTHWEST FLOW ALOFT IS QUITE STRONG MEANING PIECES OF ENERGY MOVING THRU THE FLOW WILL BE HARD TO TRACK. LOOKS LIKE AT LEAST 2 SYSTEMS WILL ROLL THRU THE AREA DURING THE PERIOD. THE FIRST IS ON THURSDAY AS A FAIRLY POTENT SHORTWAVE AND ASSOCIATED SFC TROF IS EXPECTED TO DROP OUT OF SRN CANADA. NOT A LOT OF LOW LEVEL MOISTURE TO WORK WITH...BUT DECENT INSTABILITY /TOTAL TOTALS NEAR 50/ AND DYNAMICS SHOULD SQUEEZE OUT SOME TSTORMS ACROSS THE REGION DURING THE AFTERNOON AND EVENING. PROFILES INDICATE SOME DRY AIR ALOFT AND LOW WET BULB ZEROS...HINTING AT HAIL AND WIND THREATS. FRIDAY SHOULD BE QUIET...THEN ANOTHER SYSTEM APPROACHES FOR SATURDAY AND SATURDAY NIGHT. LAST FEW RUNS OF GFS MODEL HAS BEEN HINTING AT SOMETHING DURING THAT TIMEFRAME. DETAILS ARE ALL OVER THE PLACE...BUT FELT IT PRUDENT TO INTRODUCE LOW CHANCE...ROUGHLY 30%... OF SHOWERS/TSTORMS AT THIS TIME. FUTURE FORECASTS CAN PIN DOWN THE TIMING AND DETAILS. && .AVIATION /18Z TUESDAY THROUGH SUNDAY/... THROUGH THE NEXT 24 HOURS... DETERIORATING CONDS EXPECTED THROUGH NEXT 6-12 HOURS AS SFC FRONT AND ATTENDANT DEEP CONVECTION AFFECT REGION. SCT ACTIVITY SHOULD BECOME MORE WIDESPREAD ACROSS NRN NY BY 21Z AND EVOLVE INTO WIDESPREAD RAFL W/EMBEDDED CONVECTION ACROSS THE ENTIRE AREA OVERNIGHT. INITIAL ACTIVITY ASSOC W/PRE-FRONTAL TROUGH MAY BE QUITE STRONG...WITH GUSTY WINDS AND POSSIBLE HAIL ALONG W/ASSOC MVR/IFR FLIGHT CONDS. AS OVERALL CONVECTIVE MASS EVOLVES OVERNIGHT...MORE WIDESPREAD IFR/MVFR CONDS EXPECTED AREA WIDE UNDER BROAD RAIN SHIELD...OCCASIONALLY HVY THROUGH THE PRE-DAWN HOURS. SFC FRONT THEN CLEARS ENTIRE REGION BY 12Z WITH SKIES SLOWLY CLEARING E-W AND VFR CONDS RETURNING UNDER LIGHT TO MODERATE WNW SFC FLOW. 18Z WEDNESDAY THROUGH SUNDAY... ADDL ENERGY AND ASSOC FRONT TO BRING NEXT CHC OF RAFL AND POSSBL CONVECTION/MVFR-IFR CONDS TO REGION THURSDAY AFTERNOON INTO EARLY FRIDAY...THEN AGAIN BY LATER SATURDAY INTO SUNDAY. OTW MAINLY VFR CONDS EXPECTED. && .BTV WATCHES/WARNINGS/ADVISORIES... VT...NONE. NY...NONE. && SYNOPSIS...SLW NEAR TERM...WGH SHORT TERM...SLW LONG TERM...NASH AVIATION...JMG
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BURLINGTON VT 355 AM EDT TUE JUN 19 2007 NYZ026>031-034-035-087-VTZ001>012-016>019-200800- 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- 355 AM EDT TUE JUN 19 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW YORK...CENTRAL VERMONT...NORTHEAST VERMONT...NORTHWEST VERMONT AND SOUTHERN VERMONT. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN NEW YORK AND THE CHAMPLAIN VALLEY OF VERMONT THIS AFTERNOON THROUGH THIS EVENING. THE MAIN THREAT IS STRONG WINDS AND POSSIBLE HAIL THIS AFTERNOON ACROSS NORTHERN NEW YORK AND SHIFT EASTWARD DURING THE EVENING. WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS NORTHERN NEW YORK THIS EVENING AND EARLY TONIGHT...THEN SHIFTING ACROSS VERMONT. THE MAIN THREAT WILL BE LOCALLY HEAVY RAIN THAT MAY CAUSE SOME PONDING OF WATER PROBLEMS IN POOR DRAINAGE LOCATIONS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY INTO TONIGHT.
The Burlington radar (KCXX), 97 km away, was scanning. The volume nearest the first event began at 17:53 UTC.
4 thunderstorm wind. Local standard time, as filed.
Cooperative weather observer recorded unofficial wind gust of 74 mph (64 knots).
Widespread trees and powerlines downed due to thunderstorm winds in the town of Malone.
Powerlines and large limbs were blown down by thunderstorm winds in Westport.
A 10 inch diameter tree and several large limbs were downed by thunderstorm winds on Douglass Rd. Also, numerous trees and powerlines were blown down across the town.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2007Every state in 2007This day in weather historyWarnings in New York, June 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 27506, 27507, 27504, 27505.