Quick wrap up on current storm:
Precipitation entered a little late, which meant the colder air didnt line up as earlier thought, however we still have gotten 3.6" so far, and another inch or so on the way for later this evening and tonight.
The weekend, and next week:
You better enjoy Saturday, because Sunday wont be much fun, Monday will be worse, Tuesday will be just as bad, and Wednesday will be spent cleaning up from what could turn out to be a 100 year storm for the eastern third of the nation.
Im going to just post a bunch of recent products right now. I'll have a detailed forecast out tomorrow morning.
--- Taunton PM AFD ---
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
711 PM EDT THU APR 12 2007
- snip -
LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
.COOL AND UNSETTLED WEATHER PERSISTS DURING MUCH OF THE EXTENDED
TIMEFRAME WITH A SIGNIFICANT OCEAN STORM EARLY NEXT WEEK...
APOLOGIZE FOR THE DELAY BUT WILL KEEP THIS BRIEF FOR NOW GIVEN
TODAYS NECESSARY ADDITIONAL CONCENTRATION AND ASSISTANCE ON TODAYS
WINTRY PRECIPITATION...WIND AND CONVECTION.
SATURDAY...WEAK HIGH PRESSURE PREVAILS WITH SOME SUNSHINE
EXPECTED. MIXING WILL BE SOMEWHAT LIMITED WITH THE HIGH
OVERHEAD. IN ADDITION SEABREEZES WILL DEVELOP GIVEN THE WEAK
PRESSURE GRADIENT.
SATURDAY NIGHT...CLOUDS WILL BE ON THE INCREASE AHEAD OF THE NEXT
DEVELOPING LOW PRESSURE SYSTEM DEVELOPING ACROSS THE DEEP SOUTH.
SUNDAY THROUGH TUESDAY...THE NEXT SIGNIFICANT COASTAL LOW WILL
INTENSIFY AS IT HEADS OFF THE MID ATLANTIC COAST SUNDAY. LONG RANGE
MODEL GUIDANCE AND THE GFS ENSEMBLES STILL DIFFER WITH RESPECT TO
SOME OF THE DETAILS OF THE TRACK...TIMING AND STRENGTH OF THE
SURFACE LOW AS IT MOVES UP THE COAST SUNDAY...BUT THEY ARE OTHERWISE
IN GOOD AGREEMENT ON THE SCENARIO FOR A POTENT NOR-EASTER.
THERE WILL BE SEVERAL FACTORS TO CONSIDER WITH THIS POTENTIAL EVENT.
THE GFS ENSEMBLES FEATURE A SMALL CLUSTER LOW TRACK TO NEAR LONG
ISLAND SUNDAY EVENING WITH A SECONDARY CLUSTER JUST NORTH OF THE
BENCHMARK.
FIRST...PRECIPITATION AMOUNTS SHOULD BE RATHER SIGNIFICANT GIVEN THE
AVAILABLE GULF AND ATLANTIC MOISTURE CONNECTIONS...EXCELLENT
CONVERGENCE AND OVERRUNNING. THE 12Z OPERATIONAL GFS INDICATES A
POSSIBLE LULL IN THE HEAVIEST PRECIPITATION WITH AN APPROACHING DRY
SLOT ON MONDAY. HOWEVER NOT CONFIDENT IN THIS SCENARIO GIVEN THE
UNCERTAINTY IN LOW TRACK. SEVERAL INCHES OF RAINFALL WILL BE
EXPECTED FROM SUNDAY AFTERNOON THROUGH TUESDAY. HPC GUIDANCE BRINGS
3 TO 5 INCHES OF RAINFALL WHICH WOULD BE CAUSE FOR CONCERN REGARDING
FLOOD POTENTIAL FOR RIVERS AND STREAMS. ENHANCED RAINFALL TOTALS ARE
ALSO POSSIBLE DUE TO UPSLOPE FLOW. AN ADDITIONAL FOCUS MAY BE A
DEVELOPING WINTERLIKE COASTAL FRONT AHEAD OF THE INTENSIFYING LOW ON
SUNDAY. THIS COULD BRING A SECOND BULLSEYE ALONG THE INTERSTATE 95
CORRIDOR. WILL REFINE THE FLOOD POTENTIAL IN THE HAZARDOUS WEATHER
OUTLOOK AND DURING SUBSEQUENT MODEL RUNS.
SECONDLY THERMAL PROFILES SUPPORT AT LEAST SOME MIXED PRECIPITATION
ACROSS THE INTERIOR SUNDAY NIGHT THROUGH TUESDAY...POSSIBLY
ACCUMULATING WET SNOW ACROSS THE HIGH TERRAIN. IT IS STILL TOO EARLY
AT THIS POINT TO ASSESS POTENTIAL ACCUMULATION TOTALS.
THIRD IS THE COASTAL FLOOD THREAT WHICH APPEARS MORE CERTAIN AT THIS
TIME...GIVEN PROLONGED EASTERLY FETCH...STORM FORCE WIND GUSTS UP TO
50 KT OR MORE POSSIBLE AND ASTRONOMICALLY HIGH SPRING TIDES. THE
TIME AND LOCATIONS OF GREATEST CONCERN WILL DEPEND ON WHEN AND WHERE
THE LOW TRACKS AND INTENSIFIES. PLEASE REFER TO THE LATEST MWSBOX
FOR DETAILS.
THE LOW IS EXPECTED TO HEAD FURTHER OFFSHORE TUESDAY AND WEDNESDAY.
HOWEVER AN ONSHORE FLOW WILL OFFER CONSIDERABLE CLOUDS...OCCASIONAL
LIGHT PRECIPITATION AND A CONTINUATION OF UNSEASONABLY COOL
TEMPERATURES. MAY NEED TO INCREASE POPS FURTHER DURING THE DAY 6 TO
7 TIMEFRAME GIVEN THE SLOW DEPARTURE.
- snip -
--- HPC HSD ---
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
510 PM EDT THU APR 12 2007
- snip -
DAY 3...
...NORTHEAST...
DAY THREE SHOULD BE THE BEGINNING OF THE ADVERTISED MAJOR STORM
FOR PORTIONS OF THE NORTHEAST. THE DEEP LAYER TROUGH MOVES EAST
FROM THE OH VALLEY AND A NEW COASTAL LOW IS FCST TO DEVELOP OVER
THE MID ATLANTIC AND INTENSIFY RAPIDLY. THE MODELS ARE STARTING
TO CONVERGE ON SOLUTIONS WITH THE 18Z NAM SLOWING EAST MOVEMENT
AWAY FROM THE COAST CLOSER TO THE 00Z-12Z ECMWF/12Z GFS/12Z
CANADIAN/12Z UKMET MODELS. WITH THE CONSENSUS 850 MB LOW NEAR THE
COAST...THERMAL PROFILES COLD ENOUGH FOR SUSTAINED SNOW SHOULD BE
AWAY FROM THE COAST THIS PERIOD...WITH THE LIKELY TARGET AREAS THE
HIGHER ELEVATIONS OF CENTRAL PA TO THE POCONOS AND CATSKILLS OF NY
INTO THE BERKSHIRES OF MA...WHERE THE HIGHER RISKS
ARE INDICATED. THESE AREAS HAVE THE GREATER LIKELIHOOD OF BEING
COLD ENOUGH FOR SNOW AND ALSO STRONG ASCENT AS THE 850 MB JET
CRANKS UP TO 50 KT IN MULTIPLE MODELS INTO THESE RANGES. THE 18Z
NAM VERTICAL VELOCITIES INCREASE TO 25 MICROBARS/SEC AT THE END OF
THIS PERIOD IN SOUTHEAST NY/ADJACENT CT...LEADING TO HIGH TO
INTENSE SNOWFALL RATES AT THE END OF THIS PERIOD AND BEYOND.
RISKS ARE MDT FOR FOUR INCHES AND LOW FOR EIGHT AND TWELVE INCHES
AS THE EVENT IS EXPECTED DURING THE LAST SEVERAL HOURS OF THIS
PERIOD AND LATER.
- snip -
--- HPC EFD ---
EXTENDED FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
126 PM EDT THU APR 12 2007
VALID 12Z SUN APR 15 2007 - 12Z THU APR 19 2007
...INTENSE STORM FOR EAST COAST SUNDAY INTO MID WEEK...
MEDIUM RANGE MODELS ARE IN EXCELLENT AGREEMENT THRU DAY 5 MON WITH
A HIGHLY AMPLIFIED PATTERN. STRONG FULL LATITUDE SHORTWAVE WILL BE
MOVING THRU THE MS VALLEY SUNDAY TAKING A NEG TILT AND CLOSING OFF
INTO A CUTOFF LOW OVER THE COASTAL MID ATLC REGION AND SHIFTING
SLOWLY NEWD INTO THE NY BIGHT. UPSTREAM ANOTHER STRONG PAC
SHORTWAVE COMES INTO THE PAC COAST AND CLOSES OFF OVER SRN CA AND
SLOWLY PROGRESSES EWD TO NM BY DAY 5 TUES.
NEXT UPSTREAM PAC SHORTWAVE AND FRONT APPROACHES THE PAC NW COAST
TUES. THESE MAJOR FEATURES ARE WELL AGREED UPON BY MODELS/ GFS AND
ECMWF ENSEMBLES AND PREVIOUS CONTINUITY.
DIFFERENCES OCCUR MAINLY WITH HOW NRN STREAM SHORTWAVE ENERGY
DROPS INTO THE MEAN ERN TROF DAYS 6 AND 7 WED/THU.
GFS/GFSP/ECMWF/ENSEMBLES CONT TO INDICATE STRONG BLOCKING S OF
GREENLAND LOCKING IN A MEAN VORTEX IN THE VICINITY OF THE GULF OF
ME. ECMWF/GFS ENS MEAN AND THE PARRALLEL GFSP DROP SHORTWAVE
ENERGY OVER THE SRN CANADIAN RIDGE THRU THE GREAT LAKES REGION
LATE WED. THIS COMBINED WITH THE DE AMPLIFYING SRN PLAINS
SHORTWAVE THAT HAS MOVED TO NM/TX ON DAY 5 AND THE NW ATLC BLOCK
EITHER LEAVES THE MEAN CLOSED LOW OFF THE NE COAST IN PLACE OR
ALLOWS FOR SOME RETROGRESSION. DAY 10 ECMWF KEEPS THIS IN PLACE AS
DO TELECONNECTIONS ON THE POSITIVE HT ANOMALY IN THE NW ATLC. THE
PARALLEL GFSP OFFERS THE LEAST COMPLEX SOLUTION ON THIS EVOLUTION
AND IS VERY SIMILAR TO THE 00Z GFS ENS MEAN AND THE 00Z ECMWF.
HPC BASE PROGS WERE 3-5 SUN-TUES GFSP...WHICH IS NEARLY IDENTICAL
TO THE GFS AND ECMWF AND A 70/30 BLEND TOWARDS THE GFSP AND GFS
ENS MEAN USED DAYS 6 AND 7 WED/THU. THIS AGAIN IS A SIMPLIFIED
VERSION OF THE ECMWF/GFS ENS MEAN. THIS RESULTS IN KEEPING MORE
LOW PRESSURE IN THE GLF OF ME DAYS 6 WED AND DAY 7 THU WWD OF
ECMWF AND GFS ENS MEAN.
OUTSTANDING MODEL AND ENSEMBLE AGREEMENT WITH SFC POSITIONS
ESPECIALLY DAYS 4 AND 5 MON/TUES AS A STORM DEEPENS OFF THE MID
ATLC COAST AND SLOWLY MOVES INTO THE NY BIGHT. THIS WILL GRADUALLY
DRIFT EWD BUT MAY WELL RETROGRADE WWD WED AND KEEP A RESIDUAL LOW
OVER THE NORTHEAST THRU NEXT WED WITH A MEAN MID LEVEL LOW AND
TROF BEYOND THAT. AN INTENSE STORM INDICATED BY CONSENSUS OF OP
MODELS AND ENSEMBLES ESPECIALLY WITH THE H850 HTS AND WINDS
AS THEY EXCEED 5-6 STANDARD DEVIATIONS BELOW NORMAL.
NEW 12Z MODEL RUNS REMAIN CONSISTENT. GFS HUGS THE WHILE NEWER
CANADIAN/UKMET FOLLOW PRIOR HPC POSITIONING. COAST NO CHANGES TO
HPC EARLIER THINKING OR PROGS.
...EAST...
MDT TO HEAVY RAINS WILL SPREAD E AND NEWD SUNDAY FROM THE OH
VALLEY AND ACROSS THE MID AND S ATLC REGIONS AS LOW PRESSURE MOVES
TO THE NC COAST. DEEPENING LOW SUNDAY WILL BRING GALE FORCE SRLY
WINDS ALONG THE S ATLC COAST SUNDAY WITH INCREASING NE GALE FORCE
WINDS INTO THE MID ATLC. THE LOW WILL BE DEEPENING OFF MID ATLC
COASTAL WATERS AND MOVE INTO THE NY BIGHT BRINGING GALE TO STORM
FORCE E/NE WINDS INTO NEW ENG/LONG ISLAND WATERS SUNDAY NIGHT INTO
MON AND TUES. ABOVE NORMAL SPRING TIDES ASSOCIATED WITH A NEW MOON
PHASE AND ENHANCED BY A LONG FETCH OF STORM FORCE WINDS AND
COASTAL FLOODING ALONG WITH VERY HEAVY TO EXCESSIVE RAIN CAN BE
EXPECTED WITH THIS STORM.
INLAND....PCPN TYPE WILL BECOME MORE COMPLICATED AS CONDITIONS SFC
AND ALOFT WILL BE COLD ENOUGH FOR SNOW ACROSS INTERIOR PORTIONS OF
NEW ENG/NY/NWRN NJ/PA AND POSSIBLY SWD DOWN THE CENTRAL APPLCHNS.
HEAVY SNOW THREAT. HIGH CONFIDENCE FORECAST AND A POTENTIAL
HISTORIC EVENT. A FAIR SYNOPTIC ANALOG FOR THIS SYSTEM SFC AND
ALOFT IS DEC 1992 STORM.
SOUTHWARD....THE DEEP STORM WILL BRING STRONG OFFSHORE W-NW WINDS
SUNDAY NIGHT THRU MON AND CONTG TUESDAY AND KEEPING UP NW FLOW
POSSIBLY INTO THURSDAY IN THE MID ATLC REGION. PROLONGED OFFSHORE
FLOW LIABLE TO BRING WELL BELOW NORMAL TIDES CHES BAY/DEL BAY WITH
A THREAT OF SOME SOUNDSIDE TIDAL FLOODING NC OUTER BANKS. THIS
EVENT HAS SIMILARITY TO EARLY APRIL 1975 BLOWOUT EVENT. THIS
AFFECTING SHIPPING IN DEL/CHES BAY HARBORS. A HIGH CONFIDENCE
FORECAST. POTENTIALLY HISTORIC EVENT.
--- HPC MDD ---
MODEL DIAGNOSTIC DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
148 PM EDT THU APR 12 2007
VALID APR 12/1200 UTC THRU APR 16/0000 UTC
MODEL INITIALIZATION...
...SEE NOUS42 KWNO ADMNFD FOR STATUS OF UPPER AIR INGEST...
...SYSTEM INITIALLY OVER THE GRTLKS/NORTHEAST...
THE NAM HAS ANALYZED 850 MB TEMPS ABOUT 2 C WARMER THAN REPORTED
BY ALY/GYX RAOBS. THE GFS DISPLAYS A MORE ACCURATE ANALYSIS.
ELSEWHERE MODEL INITIALIZATION ERRORS DO NOT APPEAR TO HAVE A
SIGNIFICANT IMPACT ON THE FCST.
MODEL TRENDS...
- snip -
...SYSTEM TRAVERSING THE CONUS THU-SUN...
OVER THE PAST 24 HRS THE NAM HAS BEEN TRENDING STEADILY MORE
AMPLIFIED AS THE CORE OF MID LVL ENERGY TRACKS FARTHER S THRU
NV/AZ ON THU. HOWEVER NAM RUNS SHOW MORE SIMILARITY AS THE CLOSED
LOW REACHES ERN NM. NAM RUNS DIVERGE AFTER THAT TIME... WITH THE
12Z RUN LIFTING THE CORE OF MID LVL ENERGY SLIGHTLY NE OF 06Z/00Z
RUNS BY F48 EARLY SAT. AFTER F36 LATE FRI... LATEST NAM RUNS ARE
NW OF YDAYS 12Z RUN WITH THE OVERALL TROF. BY F72 EARLY SUN THE
PAST 12 HRS OF NAM RUNS SHOW MINOR DIFFS WITH MID LVL ENERGY
REACHING THE SOUTHEAST WITH NO WELL DEFINED TREND. THE NAM HAS
BEEN LOWERING HGTS OVER THE NORTHEAST AND TO A LESSER EXTENT
FARTHER S. ONTARIO/GRTLKS CLOSED LOW SHOWS REASONABLE CONTINUITY.
SFC PATTERN OVER THE WEST IS SIMILAR BACK TO THE 00Z RUN WITH NRN
AZ LOW PRESSURE ON THU FARTHER SW THAN YDAYS 12Z NAM. NAM RUNS
ARE SIMILAR WITH SRN PLAINS LOW PRESSURE BY F30 FRI. CONSISTENT
WITH TRENDS ALOFT... LATEST NAM RUNS ARE SLOWER THAN YDAYS 12Z NAM
FOR THE REST OF THE PERIOD. 12Z/06Z NAM RUNS ARE A TAD SE OF THE
00Z NAM SFC LOW OVER/JUST E OF THE RED RIVER VLY. 12Z NAM SFC LOW
NEAR THE EAST COAST BY F72 EARLY SUN IS S OF THE 06Z RUN AND SE OF
THE 00Z RUN.
THE GFS HAS BEEN TRENDING SLIGHTLY MORE AMPLIFIED WITH THE TROF
SWINGING THRU THE SWRN CONUS... AND THEN GRADUALLY SLOWER AS
ENERGY EJECTS THRU THE PLAINS. SFC DIFFS ARE MINIMAL OVER THE
WEST BUT SRN PLAINS LOW PRESSURE HAS BEEN TRENDING MORE
SUPPRESSED. WITH THE MID LVL TROF PROGRESSING FROM THE PLAINS TO
SE/MID ATLC... THE 12Z/06Z RUNS ARE SLIGHTLY FASTER THAN THE 00Z
RUN... WITH THE DEVELOPING E COAST MID LVL LOW CENTER AND ASSOC
SFC LOW TRENDING NEWD OVER THE PAST 12 HRS. LATEST RUNS ARE
SLOWER THAN YDAYS 12Z GFS WITH THE PLAINS/ERN CONUS TROF BUT MID
LVL ENERGY CONSOLIDATES OVER A SIMILAR MID ATLC LOCATION BY F84
LATE SUN... SUPPORTING A 12Z GFS SFC LOW ONLY SLIGHTLY E OF YDAYS
12Z GFS. ONTARIO/GRTLKS ENERGY THAT BEGINS TO FEED INTO THE WRN
SIDE OF THE OVERALL TROF/LOW IS SIMILAR TO THE 00Z RUN AND FARTHER
NE/N OF 06Z AND YDAYS 12Z RUNS.
- snip -
MODEL DIFFERENCES AND PREFERENCES...
- snip -
...SYSTEM TRAVERSING THE CONUS THU-SUN...
GIVEN THE PREFERENCE FOR A COMPROMISE OR SLOWER TIMING WITH THE
ABOVE SYSTEM ENTERING THE WEST... IT SEEMS REASONABLE TO GO ALONG
WITH A CNTRL/ERN CONUS EVOLUTION THAT ADJUSTS HALFWAY OR MORE FROM
THE FASTER GFS/NAM SOLNS TO THE SLOWER UKMET/CANADIAN GLBL/00Z
ECMWF. GUIDANCE HAS GENERALLY CONVERGED WITH AMPLITUDE/TRACK OF
ENERGY CROSSING THE SWRN STATES EARLY IN THE PERIOD. 1-2 DAY
TRENDS HAVE FAVORED A SUPPRESSED SFC SOLN OVER THE SRN PLAINS...
LIKE THE GFS/UKMET... BUT MID LVL DYNAMICS AS OF F36 LATE FRI
COULD SUPPORT A SLIGHTLY MORE WRAPPED UP SFC SOLN AS SUGGESTED BY
THE NAM/CANADIAN GLBL AND REG GEM/00Z ECMWF. PREFER A COMPROMISE
AT THAT TIME... BUT THEN THE SFC PATTERN SHOULD BECOME SOMEWHAT
FLATTER FOR A WHILE AS INITIAL ENERGY SHEARS OUT. AFTER F36...
THE NAM APPEARS TOO AGGRESSIVE IN BRINGING HGT FALLS EWD FROM THE
ERN PLAINS TO EAST COAST. THIS COMBINED WITH POTENTIAL
FEEDBACK... THOUGH SOME HVY PCPN IS LIKELY WITH THIS SYSTEM... MAY
BE CAUSING THE NAM TO LOWER PRESSURES TOO QUICKLY ALONG THE EAST
COAST. THE GFS APPEARS SOMEWHAT BETTER BUT POTENTIAL FOR A SLOWER
WRN CONUS SYSTEM IN THE UKMET/CANADIAN GLBL/00Z ECMWF SUGGESTS THE
GFS MAY ALSO BE A LITTLE FAST WITH THE CNTRL-ERN CONUS TROF. THUS
WOULD AT LEAST RECOMMEND A COMPROMISE TIMING/POSN FOR EVOLUTION
BETWEEN THE GFS AND SLOWER UK/CMC/EC. LATEST SREF/NCEP-GEFS MEANS
ARE FARTHER OFFSHORE WITH THE SFC LOW COMPARED TO THE OP MDLS BY
F84 LATE SUN. AT THIS TIME PREFER TO GIVE GREATEST WEIGHTING TO
THE OP MDLS GIVEN THAT ENSEMBLE MEANS TEND TO TAKE EXTRA TIME TO
RESOLVE DETAILS IMPORTANT FOR EAST COAST DEVELOPMENT.
- snip -
--- Some of today's model forecasts ---
UKMET
... 12z 4/12
http://weather.cod.edu/forecast/UKMET/ukmet_nhUS_0_prec_60.gif
http://weather.cod.edu/forecast/UKMET/ukmet_nhUS_0_prec_72.gif
GFS
... 18z 4/12
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/18/images/gfs_p06_066l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/18/images/gfs_p06_078l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/18/images/gfs_p06_090l.gif
... 12z 4/12
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/12/images/gfs_p06_072l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/12/images/gfs_p06_084l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/12/images/gfs_p06_096l.gif
GFSX
... 00z 4/12
http://weather.unisys.com/gfsx/4e/gfsx_500p_3e.gif
http://weather.unisys.com/gfsx/4d/gfsx_500p_4d.gif
http://weather.unisys.com/gfsx/4e/gfsx_500p_4e.gif
ECMWF
... 12z 4/12
http://weather.cod.edu/forecast/ECMWF/ecmwf_850_temp_72.gif
http://weather.cod.edu/forecast/ECMWF/ecmwf_850_temp_96.gif
... 00z 4/12
http://weather.cod.edu/forecast/ECMWF/previous/ecmwf_850_temp_72.gif
http://weather.cod.edu/forecast/ECMWF/previous/ecmwf_850_temp_96.gif
http://weather.cod.edu/forecast/ECMWF/previous/ecmwf_850_temp_120.gif
NAM
... 18z 4/12
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/nam/18/images/nam_p06_066l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/nam/18/images/nam_p06_078l.gif
... 12z 4/12
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/nam/12/images/nam_p06_072l.gif
http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/nam/12/images/nam_p06_084l.gif
NOGAPS
... 12z 4/12
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041212&field=Sea+Level+Pressure&hour=072hr
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041212&field=Sea+Level+Pressure&hour=084hr
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041212&field=Sea+Level+Pressure&hour=096hr
... 00z 4/12
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041200&field=Sea+Level+Pressure&hour=084hr
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041200&field=Sea+Level+Pressure&hour=096hr
http://moe.met.fsu.edu/cgi-bin/nogapstc2.cgi?time=2007041200&field=Sea+Level+Pressure&hour=108hr
HPC
... 1723z 4/12
http://www.hpc.ncep.noaa.gov/medr/9jh.gif
http://www.hpc.ncep.noaa.gov/medr/9kh.gif
http://www.hpc.ncep.noaa.gov/medr/9lh.gif
... 2002z 4/12
http://www.hpc.ncep.noaa.gov/lowtracks/lowtrack.gif
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