A combination of rain and run-off from melting snow led to minor flooding along the Big Black River at Depot Mountain. The flooding affected wilderness areas of the North Maine Woods bordering the river.
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The episode as NWS CAR wrote it up.
A combination of rain and run-off from melting snow led to minor flooding along the Big Black River at Depot Mountain. The flooding affected wilderness areas of the North Maine Woods bordering the river.
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 Apr 23, 2:49 PM EST, 5 hours 26 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CARIBOU ME 349 PM EDT THU APR 23 2009 .SYNOPSIS... LOW PRESSURE WILL TRACK AWAY FROM THE REGION NORTH THROUGH QUEBEC OVERNIGHT AS A RIDGE OF HIGH PRESSURE BEGINS TO BUILD INTO THE EAST. WARM HIGH PRESSURE WILL BUILD ACROSS THE ENTIRE EAST COAST FRIDAY AND SATURDAY. A COLD FRONT IS EXPECTED TO CROSS THE REGION SUNDAY BUT MAY MOVE BACK NORTHEAST AS A WARM FRONT BY LATE MONDAY. && .NEAR TERM /THROUGH FRIDAY/... LOW PRESSURE WILL CONTINUE TO WEAKEN AS IT LIFTS NORTHEAST AWAY FROM THE STATE TONIGHT. ANY LINGERING SHOWERS ACROSS THE REGION THIS EVENING WILL CONTINUE TO DIMINISH AS DRIER AIR CONTINUES TO OVERSPREAD THE REGION. COULD BE A FEW WET SNOW FLAKES ACROSS NORTHWEST MAINE THROUGH EARLY EVENING BEFORE PRECIPITATION DIMINISHES BUT NOT EXPECTING ANY ACCUMULATION. OTHERWISE...EXPECT PARTIAL CLEARING ALL AREAS LATER TONIGHT. LOW TONIGHT WILL FALL INTO THE UPR 20S TO LWR 30S ACROSS THE NORTH...AND LOW TO MID 30S DOWNEAST. HIGH PRESSURE WILL BUILD ACROSS THE REGION ON FRIDAY WITH ABUNDANT SUNSHINE EXPECTED ALL AREAS. TEMPS ON FRIDAY WILL BE MUCH MILDER THAN TODAY WITH LWR 60S NORTH AND MID 60S DOWNEAST. && .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... THE WARMING TREND WILL CONT FULL SWAY FRI NGT THRU SAT AS THE UPPER RIDGE BUILDS ALG THE ENTIRE E COAST AND CORRESPONDING LLVL THERMAL FIELDS WARM IN THE PROCESS. MODELS SHOW WHATS LEFT OF A S/WV FROM NEAR THE IO/MO/IL CONFLUENCE PERHAPS BRINGING SOME CLDS TO THE FA DURING SAT...SOMEWHAT REDUCING THE MAX POTENTIAL HI TEMP SAT AFT BY A FEW DEG F. MODELS...HOWEVER...HAVE COME IN BETTER AGREEMENT IN SUGGESTING A ZONAL S/WV MOVING ENE THRU CNTRL QB ASSOCIATED WITH A MDTLY STRONG COLD FRONT FROM QB...CROSSING THE FA BEGINNING ERLY SUN MORN ACROSS THE XTRM NW...CLRG THE DOWNEAST COAST BY MID AFT. THIS TIMING HAS RESULTED IN A SIGNIFICANT REDUCTION IN WARM SECTOR TIME... AS WELL AS HI TEMPS SUN...FOR SPCLY NRN PTNS OF THE FA. HI TEMPS SUN WILL OCCUR IN THE MORN ACROSS THE N WITH TEMPS LEVELING OFF LATE MORN TO MIDDAY. TEMPS WILL LIKELY FALL AFT ERLY AFT HIGHS ACROSS DOWNEAST AREAS. MODELS INDICATE LITTLE INSTABILITY ALF OR LLVL MOISTURE CNVRG WITH THE FRONT...SO KEPT POPS IN SLGT CHC CAT. && .LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/... AFT REACHING A FURTHEST S PSN ACROSS CNTRL NEW ENG THE SRN GULF OF ME LATE SUN NGT...MOST 12Z MODELS INDICATE THE FRONT TRYING TO RETURN AS A WARM FRONT MON INTO MON EVE ACROSS THE FA...WITH MORE IN THE WAY OF CLDS AND THE POTENTIAL OF SOME OVRRNG SHWR ACTIVITY MSLY LATE SUN NGT AND ERLY MON MORN ACROSS THE NW HF OF THE FA. THE LATE ARRIVAL OF WARM AIR WITH SSWRLY LLVL WINDS WILL KEEP THE BEST POTENTIAL OF A WARM-UP TO WRN INTERIOR PTNS OF THE FA MON AFT. AFT A MILD NGT MON NGT...ANOTHER COLD FRONT WILL CROSS THE FA WITH SIMILAR DAY TIMING TO SUNS COLD FRONT. WITH THE UPPER DYNAMICS CLOSER TO THE FA WITH THE SUPPORTING S/WV...THERE MAY A BE A BETTER CHC OF SHWRS ACROSS PTNS OF THE FA LATE MON NGT AND TUES MORN. AFT COOLER AND DRIER CONDITIONS TO THE FA TUE NGT...MODELS...IN PARTICULAR SHOW LOW PRES TRACKING ESE FROM THE MID ATLC STATES PERHAPS BRINGING CLDS AND A CHC OF SHWRS TO DOWNEAST AREAS LATE WED INTO WED EVE. OTHERWISE...MSLY FAIR SKIES AND SEASONABLE TEMPS WILL PREVAIL ACROSS THE FA DURING THE MIDWEEK. && .AVIATION /19Z THURSDAY THROUGH TUESDAY/... EXPECT LINGERING MVFR KCAR/KPQI/KHUL THRU EARLY EVENING IN LWR CLOUDS AND SHOWERS...WITH VFR ALL AREAS LATER TONIGHT THRU FRI. MSLY VFR XPCTD ACROSS THE TAF SITES BEYOND FRI...HOWEVER...CANNOT RULE OUT A PD OF MVFR/IFR ST CLGS SPCLY DOWNEAST SITES SUN NGT INTO MON WITH THE RETURN OF LLVL WARM AIR INTO THE FA. && .MARINE... NEAR TERM: EXPECT SCA CONDITIONS IN WINDS/SEAS TONIGHT. SCA SEAS COULD LINGER INTO EARLY FRI OTHERWISE NO HEADLINES ANTICIPATED. SHORT TERM: NO HDLNS ANTICIPATED ATTM. WV HTS MAY APCH SCA THRESHOLDS SAT AND SAT NGT AND AGAIN LATE MON INTO MON NGT WHEN RETURN S WINDS INCREASE SOMEWHAT. LLVL STABLE MARINE AIR WILL LIKELY KEEP SRLY WIND SPEEDS BLO 25 KTS DURING BOTH EPISODES. && .HYDROLOGY... RAINFALL AMOUNTS DURING THE PAST 24 HOURS HAVE GENERALLY RANGED FROM AROUND AN INCH ALONG THE MAINE/QUEBEC BORDER WITH GENERALLY AROUND A HALF INCH ELSEWHERE. WITH LITTLE ADDITIONAL RAINFALL EXPECTED TONIGHT AND MOST RIVERS AND STREAMS WELL BELOW BANKFULL ALL FLOOD WATCHES HAVE BEEN CANCELLED. && .CAR WATCHES/WARNINGS/ADVISORIES... ME...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL 4 AM EDT FRIDAY FOR ANZ050>052. && NEAR TERM...DUDA SHORT TERM...VJN LONG TERM...VJN AVIATION...DUDA MARINE...DUDA/VJN HYDROLOGY...DUDA
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CARIBOU ME 302 PM EDT THU APR 23 2009 MEZ001>006-010-011-015>017-029>032-241915- 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- 302 PM EDT THU APR 23 2009 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...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ050>052-241915- 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- 302 PM EDT THU APR 23 2009 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...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
A combination of rain and run-off from melting snow led to minor flooding along the Big Black River at Depot Mountain. The river crested around 1 foot above flood stage. The flooding affected wilderness areas of the North Maine Woods bordering the river.
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, April 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: 156780.