An isolated severe thunderstorm moved across southern Piscataquis county during the evening of the 29th in advance of a cold front. The storm produced damaging winds.
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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 CAR wrote it up.
An isolated severe thunderstorm moved across southern Piscataquis county during the evening of the 29th in advance of a cold front. The storm produced damaging winds.
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 Caribou, ME wrote its last area forecast discussion before the first event at Jun 29, 1:10 PM EST, 5 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CARIBOU ME 210 PM EDT TUE JUN 29 2010 .SYNOPSIS... AN UPPER LOW WILL TRACK NORTH OF THE REGION TONIGHT THROUGH THURSDAY. HIGH PRESSURE WILL THEN BUILD ACROSS THE REGION FRIDAY INTO THE WEEKEND WITH DRIER AND WARMER CONDITIONS. && .NEAR TERM /THROUGH WEDNESDAY/... A WEAK SHORTWAVE ROUNDING THE BOTTOM OF AN UPPER LOW TO OUR NORTHWEST WILL SWING ACROSS THE AREA THIS EVENING. SURFACE LOW PRESSURE SUPPORTED BY THIS LOW WILL TRACK ACROSS NORTHERN PARTS OF THE AREA EARLY THIS EVENING. SOUTHEAST WINDS EAST OF THIS LOW COMBINED WITH WEAK SOUTHWEST WINDS WEST OF THE LOW WILL PRODUCE A LINE OF CONVERGENCE. THUNDERSTORMS FORMING IN RESPONSE TO THE DAYS HEATING...MAINLY IN WESTERN AREAS...WILL TRACK ALONG THIS CONVERGENCE LINE. HEAVY RAINS...GUSTY WINDS AND SMALL HAIL ARE LOCALLY POSSIBLE WITH ANY STORMS EARLY THIS EVENING. SHOWERS WILL LIFT AWAY TO THE NORTHEAST LATER TONIGHT AS SLIGHTLY COOLER DRIER AIR COMES IN FROM THE WEST. COOL UPPER LOW PRESSURE SLIDING NORTH OF THE AREA WILL BRING MOSTLY CLOUDY SKIES NORTH WITH A CHANCE FOR SOME LIGHT SHOWERS ON WEDNESDAY. PARTLY TO MOSTLY SUNNY SKIES AND DRIER AIR CAN BE EXPECTED DOWNEAST WEDNESDAY WITH A DRIER WEST WIND. && .SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/... THE UPPER LOW WILL BE TO OUR NORTHEAST WEDNESDAY NIGHT AND THURSDAY BRINGING VARIABLE CLOUDINESS AND CHANCES FOR LIGHT SHOWERS ACROSS THE NORTH AND PARTLY CLOUDY SKIES DOWNEAST. HIGH PRESSURE WILL BUILD TOWARD THE EAST COAST FRIDAY AS RIDGING BEGINS TO BUILD INTO THE NORTHEAST. THIS WILL BRING WARMING WITH MOSTLY SUNNY SKIES ON FRIDAY. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... LOOKS LIKE A NICE STRETCH OF WEATHER IS IN THE OFFING AS WE HEAD TOWARD THE UPCOMING HOLIDAY WEEKEND. HEIGHTS WILL BEGIN TO RISE AS AN UPPER LEVEL RIDGE GRADUALLY BUILDS ACROSS THE NORTHEAST. THIS SHOULD BRING DRY AND INCREASINGLY WARM WEATHER TO THE REGION WITH ABOVE NORMAL TEMPERATURES EXPECTED BY THE WEEKEND. MAINLY DRY AND UNSEASONABLY WARM WEATHER WILL CONTINUE INTO EARLY NEXT WEEK. && .AVIATION /17Z TUESDAY THROUGH SATURDAY/... IFR CONDITIONS EARLY TONIGHT SHOULD GIVE WAY TO VFR CONDITIONS LATE AS DRIER AIR COMES IN FROM THE WEST. VFR CONDITIONS ARE EXPECTED ON WEDNESDAY. VFR CONDITIONS ARE LIKELY THURSDAY INTO THE FOURTH OF JULY WEEKEND. && .MARINE... WINDS AND SEAS ARE EXPECTED TO BE BELOW SCA THROUGH THE END OF THE WEEK. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...NONE. MARINE...NONE. && NEAR TERM...BLOOMER SHORT TERM...LERICOS/BLOOMER LONG TERM...LERICOS/BLOOMER AVIATION...BLOOMER MARINE...BLOOMER/LERICOS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CARIBOU ME 306 PM EDT TUE JUN 29 2010 MEZ001>006-010-011-015>017-029>032-301915- NORTHWEST AROOSTOOK-NORTHEAST AROOSTOOK-NORTHERN SOMERSET- NORTHERN PISCATAQUIS-NORTHERN PENOBSCOT-SOUTHEAST AROOSTOOK- CENTRAL PISCATAQUIS-CENTRAL PENOBSCOT-SOUTHERN PENOBSCOT- INTERIOR HANCOCK-CENTRAL WASHINGTON-COASTAL HANCOCK- COASTAL WASHINGTON-SOUTHERN PISCATAQUIS-NORTHERN WASHINGTON- 306 PM EDT TUE JUN 29 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL MAINE...NORTH CENTRAL MAINE...NORTHERN MAINE...SOUTHEAST MAINE AND WEST CENTRAL MAINE. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ050>052-070-301915- COASTAL WATERS FROM EASTPORT ME TO SCHOODIC POINT ME OUT 25 NM- COASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME OUT 25 NM- INTRACOASTAL WATERS FROM SCHOODIC POINT ME TO STONINGTON ME- WATERS FROM EASTPORT ME TO STONINGTON (DEER ISLE) ME FROM 25 TO 40 NM- 306 PM EDT TUE JUN 29 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Caribou radar (KCBW), 123 km away, was scanning. The volume nearest the first event began at 23:32 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees and powerlines were toppled on Stickney Hill Road...near the intersection of Stanchfield Ridge Road...by wind gusts estimated at 60 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maine in 2010Every state in 2010This day in weather historyWarnings in Maine, June 2010
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: 238998.