0 inches per hour created localized flash flooding across portions of southern Penobscot county. The flash flooding washed out portions of several roads.
Every event with a place to put it. Tap one for its entry below.
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.
Thunderstorms with rainfall rates of up to 1.0 to 2.0 inches per hour created localized flash flooding across portions of southern Penobscot county. The flash flooding washed out portions of several roads.
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 Jul 12, 9:06 PM EST, 2 hours 54 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CARIBOU ME 1006 PM EDT SUN JUL 12 2009 .SYNOPSIS... LOW PRESSURE WILL LIFT NORTH ACROSS THE MARITIMES TONIGHT. A SERIES OF COLD FRONTS WILL CROSS THE REGION MONDAY THROUGH TUESDAY...WHILE AN UPPER LOW TRACKS JUST NORTH OF MAINE. HIGH PRESSURE WILL BUILD ACROSS THE REGION WEDNESDAY.&& .NEAR TERM /THROUGH MONDAY/... UPDATED THE GRIDS/ZFP TO REFRESH THINGS AND ADJUST HIGHER POPS A BIT FURTHER N TO REFLECT THE LATEST RADAR TRENDS AND THE RUC13. INCLUDED AREAS OF FOG FOR THE COAST AS FOG IS JUST LINGERING OFF THE COAST PER LATEST WEB CAMS. RKD SHOWING FOG STARTING TO MOVE ONTO THE COAST. CURRENTLY SUN HAS BROKEN THROUGH ACROSS MOST OF THE FORECAST AREA. WATCHING FOR CONVECTION TO DEVELOP BUT NOT MUCH BUILD UP SO FAR. PRIMARY FEATURE IS UPPER LEVEL LOW PRESSURE LOCATED NEAR JAMES BAY. WEAK DISTURBANCES ARE EXPECTED TO MOVE AROUND THIS SYSTEM AND PRODUCE SHOWERS WHILE THE SYSTEM MOVES ACROSS THE STATE. DIFFICULTY WILL BE TIMING OF THESE SYSTEMS. HAVE USED A BLEND OF THE NAM AND GFS AND BLENDED CURRENT CONDITIONS WITH THE MODEL COMBINATION GOING INTO THIS EVENING. HAVE USED 50/50 MODEL BLEND FOR SKY...POPS AND QPF. WILL USE THE GMOS FOR TEMPERATURE...WIND AND DEW POINT. && .SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY NIGHT/... A COLD FRONT/TROF WILL CROSS THE REGION MONDAY NIGHT...WHILE AN UPPER LOW APPROACHES FROM THE NORTHWEST. SKIES WILL REMAIN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS ACROSS NORTHERN AREAS MONDAY NIGHT. ACROSS DOWNEAST AREAS...SKIES WILL BE PARTLY CLOUDY WITH A CHANCE OF EVENING SHOWERS. ANOTHER COLD FRONT/TROF WILL CROSS THE REGION TUESDAY WHILE THE UPPER LOW TRACKS JUST NORTH OF MAINE...KEEPING A CHANCE OF SHOWERS ACROSS THE FORECAST AREA. THE UPPER LOW MOVES EAST TUESDAY NIGHT WHILE SURFACE HIGH PRESSURE BUILDS EAST BRINGING DECREASING CLOUDS TO THE FORECAST AREA. HIGH PRESSURE WILL BUILD ACROSS THE REGION WEDNESDAY BRINGING PARTLY/MOSTLY SUNNY SKIES. HIGH PRESSURE THEN MOVES EAST WEDNESDAY NIGHT WHILE A WARM/OCCLUDED FRONT LIFTS TOWARD THE REGION LATE. CLOUD COVER WILL INCREASE WEDNESDAY NIGHT WITH A CHANCE OF SHOWERS LATE. TEMPERATURES WILL BE AT BELOW NORMAL LEVELS TUESDAY/WEDNESDAY. && .LONG TERM /THURSDAY THROUGH SUNDAY/... LONG TERM GRIDS IN GOOD AGREEMENT...UPPER LVL LOW OVER CANADA SW OF HUDSON BAY. ITS ASSOCIATED SFC SYSTEM EXTENDING SE ACROSS SRN ME AT THE START OF THE LONG TERM WILL MOVE EAST OF THE AREA BY THURS EVENING AND HIGHER PRESS WILL RIDGE ACROSS THE AREA. THIS RIDGE WILL BE SHORT LIVED...BREAKING DOWN BY FRI MORNING WHILE THE 500MB LVL SYSTEM MOVES INTO QUEBEC PROVINCE BRINGING SHOWERS BACK TO NRN ME. UNSETTLED CONDITIONS WITH BRIEF BREAKS BETWEEN WILL CONTINUE THROUGH THE END OF THE EXTENDED PERIOD AS TROUGHS TRANSIT AROUND THE SLOW MOVING 500MB LOW WHILE IT MOVES EAST ACROSS QUEBEC. && .AVIATION /02Z MONDAY THROUGH FRIDAY/... NEAR TERM: EXPECT IFR CONDITIONS DUE TO LOW CEILINGS TONIGHT. ALSO EXPECT SOME FOG KBGR AND KBHB. FOR MONDAY IFR/MVFR CONDITIONS DUE TO CEILING. SHORT TERM: OCCASIONAL MVFR CONDITIONS ARE EXPECTED ACROSS NORTHERN AREAS MONDAY NIGHT. GENERALLY VFR CONDITIONS ARE EXPECTED DOWNEAST MONDAY NIGHT...THOUGH LOCAL MVFR CONDITIONS COULD OCCUR DURING THE EVENING WITH ANY SHOWERS. OCCASIONAL MVFR CONDITIONS WILL PERSIST ACROSS NORTHERN AREAS TUESDAY. GENERALLY VFR CONDITIONS ARE EXPECTED DOWNEAST TUESDAY...THOUGH OCCASIONAL MVFR CONDITIONS COULD OCCUR WITH ANY SHOWERS. VFR CONDITIONS ARE EXPECTED ACROSS THE REGION TUESDAY NIGHT THROUGH EARLY WEDNESDAY NIGHT. MVFR CONDITIONS COULD BEGIN TO DEVELOP LATER WEDNESDAY NIGHT WITH A CHANCE OF SHOWERS. LONG TERM: IFR TO MVFR COND WHILE LOW TRACKS ACROSS THE GULF OF MAINE FOR BGR/BHB. MVFR TO VFR FOR HUL/PQI/CAR ON THURS. VFR ALL SITES THURS EVENING. VFR...PERIODS OF MVFR FOR CAR/PQI IN SCT SHWRS FRI. && .MARINE... NEAR TERM: FOR WINDS WILL USE A BLEND OF THE NAM12 AND THE GFS40. WILL NOT MAKE ANY WIND SPEED ADJUSTMENTS WITH VERY LIGHT WIND SPEED EXPECTED. FOR WAVES: CURRENTLY COMBINED SEAS DOMINATED BY INTERMEDIATE PERIOD WAVE. PERIOD OF AROUND 6 SECONDS INDICATES THIS WAS GENERATED CLOSE TO FORECAST WATERS. CURRENT OBSERVATIONS INDICATE COMBINED SEA RUNNING ABOUT 1 FOOT HIGHER THAN GUIDANCE AND EXPECT THIS BIAS TO PERSIST AND WILL MAKE ADJUSTMENTS. SHORT TERM: WINDS/SEAS ARE EXPECTED TO REMAIN BELOW SMALL CRAFT ADVISORY LEVELS MONDAY NIGHT THROUGH WEDNESDAY NIGHT. VISIBILITIES COULD BE REDUCED AT TIMES IN SHOWERS EARLY MONDAY NIGHT...TUESDAY AFTERNOON THROUGH EARLY TUESDAY NIGHT THEN AGAIN LATER WEDNESDAY NIGHT. LONG TERM: A LOW PRESSURE SYSTEM WILL TRACK ACROSS THE GULF OF MAINE AT THE START OF THE LONG TERM...HOWEVER SEAS AND WINDS WILL REMAIN BELOW SCA THROUGH THE PERIOD. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...NONE. MARINE...NONE. && NEAR TERM...HEWITT/MIGNONE SHORT TERM...NORCROSS LONG TERM...NORTON AVIATION...HEWITT/MIGNONE MARINE...HEWITT/MIGNONE/NORCROSS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CARIBOU ME 242 AM EDT SUN JUL 12 2009 MEZ001>006-010-011-015>017-029>032-130645- 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- 242 AM EDT SUN JUL 12 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL MAINE...NORTH CENTRAL MAINE...NORTHERN MAINE...SOUTHEAST MAINE AND WEST CENTRAL MAINE. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ050>052-130645- 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- 242 AM EDT SUN JUL 12 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Portland,ME radar (KGYX), 157 km away, was scanning. The volume nearest the first event began at 05:01 UTC.
3 flash flood. Local standard time, as filed.
Thunderstorms containing rainfall rates of 1.0 to 2.0 inches per hour caused flash flooding. The flash flooding washed out portions of Copeland Road.
Thunderstorms containing rainfall rates of 1.0 to 2.0 inches per hour caused flash flooding. The flash flooding washed out portions of South Road.
Thunderstorms containing rainfall rates of 1.0 to 2.0 inches per hour caused flash flooding. The flash flooding washed out portions of Fisher Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maine in 2009Every state in 2009This day in weather historyWarnings in Maine, July 2009
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: 186556, 186558, 186559.