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09/23/11 15:47:07
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National Weather Service Forecast for: Millersville MD
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 6:32 pm EST Feb 5, 2012
 
Tonight

Clear
Clear
Monday

Sunny
Sunny
Monday
Night

Partly Cloudy
Partly
Cloudy
Tuesday

Sunny
Sunny
Tuesday
Night

Mostly Cloudy
Mostly
Cloudy
Wednesday

Chance Rain. Chance for Measurable Precipitation 30%
Chance
Rain
Wednesday
Night

Chance Rain. Chance for Measurable Precipitation 30%
Chance
Rain
Thursday

Partly Sunny
Partly
Sunny
Thursday
Night

Mostly Clear
Mostly
Clear
Lo 30 °F Hi 51 °F Lo 34 °F Hi 52 °F Lo 34 °F Hi 44 °F Lo 33 °F Hi 46 °F Lo 29 °F

 

Tonight
 
Clear, with a low around 30. West wind around 5 mph.
Monday
 
Sunny, with a high near 51. West wind between 5 and 10 mph.
Monday Night
 
Partly cloudy, with a low around 34. South wind 5 to 8 mph becoming west.
Tuesday
 
Sunny, with a high near 52. Northwest wind between 7 and 9 mph.
Tuesday Night
 
Mostly cloudy, with a low around 34. East wind between 3 and 8 mph.
Wednesday
 
A chance of rain. Cloudy, with a high near 44. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.
Wednesday Night
 
A chance of rain. Cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
 
Partly sunny, with a high near 46.
Thursday Night
 
Mostly clear, with a low around 29.
Friday
 
Mostly sunny, with a high near 50.
Friday Night
 
Mostly cloudy, with a low around 33.
Saturday
 
Mostly cloudy, with a high near 45.
Saturday Night
 
Partly cloudy, with a low around 28.
Sunday
 
Mostly sunny, with a high near 41.

 

Forecast from NOAA-NWS for Millersville MD.

 
 
 

Forecast Discussion:

 
 
000
FXUS61 KLWX 052002
AFDLWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
302 PM EST SUN FEB 5 2012

.SYNOPSIS...
HIGH PRESSURE WILL BUILD FROM THE NORTHWEST THROUGH MONDAY THEN
PERSIST THROUGH TUESDAY...THOUGH AN UPPER TROUGH LOOKS TO MOVE EAST
ACROSS THE CENTRAL MID ATLANTIC MONDAY NIGHT. A WEDGE OF HIGH
PRESSURE AND AN ONSHORE FLOW DEVELOPS TUESDAY NIGHT THROUGH
WEDNESDAY WHILE ANOTHER UPPER TROUGH CROSSES ON WEDNESDAY. HIGH
PRESSURE IS THEN EXPECTED FOR THE END OF THE WEEK.

&&

.NEAR TERM /THROUGH MONDAY/...
EARLIER RA/SN SHOWERS HAVE DISAPPATED AS TROUGH AXIS HAS PUSHED
FURTHER SOUTH AND OVERHEAD THIS AFTERNOON.  A SHARP GRADIENT
BEHIND AXIS HAS BROUGHT PARTLY SUNNY CONDITIONS TO NORTHERN MD AND
NORTHERN VA BUT WITH THE ONSET OF WEAK CAA BEHIND THE AXIS CLOUDS
HAVE INCREASED IN PA AND WILL CONTINUE TO BUILD INTO NORTHERN MD
BEFORE SUNSET THIS EVENING.  TEMPS IN AREAS THAT HAVE SEEN SUNSHINE
HAVE ROSE A FEW DEGREES IN THE PAST FEW HOURS.  AREAS IN THE
SHENANDOAH VALLEY HAVE HAD A DIFFICULT TIME REACHING 40 DUE TO
STEADY CLOUDY CONDITIONS.

AS TROUGH CONTINUES TO MOVE SOUTH CLOUDS WILL DISSAPATE THIS EVENING
AND OVERNIGHT.  CONDITIONS WILL BE PRIME FOR RADIATIONAL COOLING AND
THEREFORE HAVE DROPPED TEMPS A FEW DEGREES WEST OF THE BLUE RIDGE
AND IN VALLEYS.  HIGH PRESSURE WILL MOVE OVERHEAD AND DUE TO SHOWERS
THIS MORNING PATCHY FOG IN VALLEYS IS POSSIBLE.

MINOR RIDGING IS EXPECTED MONDAY AFTERNOON AHEAD OF A UPPER LEVEL
VORT MAX.  HIGH CLOUDS WILL BEGIN TO FILTER INTO SW ZONES MONDAY
AFTERNOON AS VORT MAX APPROACHES.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
MONDAY NIGHT...REMNANT UPR LOW THAT HAD BEEN CUTOFF OVER THE THE
CENTRAL PLAINS IS NOW PROGGED TO TRACK ACROSS THE SRN EXTENT OF THE
LWX CWA BY THE 12Z GFS AND 12Z ECMWF. BEST CHANCES FOR A RAIN/SNOW
MIX ARE ACROSS THE SOUTHERN POTOMAC HIGHLANDS...THOUGH GUIDANCE DOES
SUGGEST ENOUGH LIFT REMAINS TO PRODUCE LIGHT RAIN /ACCORDING TO GFS
FCST SNDGS...CANNOT RULE OUT SOME POCKETS OF FREEZING RAIN FOR
COLDER SPOTS/ FARTHER EAST ACROSS THE SRN HALF OF THE CWA. CLOUDS
FROM SAID LOW/VORT MAX SHOULD LIMIT MIN TEMPS TO THE LOW 30S
INLAND...MID 30S I-95 AND EAST.

TUESDAY AND TUESDAY NIGHT...RIDGING ACROSS THE E-CNTRL CONUS BRINGS
NWLY FLOW AND SUNNY SKIES TO THE START OF TUESDAY...WITH HIGH CLOUDS
OVERSPREADING THE REGION FROM THE WEST LATE IN THE DAY THROUGH THE
NIGHT. MILD DAY WITH DOWNSLOPING FLOW...MAX TEMPS LOW TO MID 50S.
CLOUDS TUESDAY NIGHT LIMIT MIN TEMPS AGAIN TO LOW 30S INLAND...MID
30S I-95 AND EAST. NLY FLOW BECOMES NELY...WITH CLOUDS LOWERING.

WEDNESDAY...ANOTHER UPR TROUGH CROSSES LATE TUESDAY NIGHT THROUGH
WEDNESDAY. CONTINUED CHANCE POPS FOR A RAIN/SNOW MIX EXCEPT ALL RAIN
I-95 AND EAST...ADDED SOME ALL SNOW FOR HIGHLANDS/RIDGELINES WHERE
TEMPS WILL BE LOWEST.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
12Z GFS/ECMWF GUIDANCE PROGS EXPANSIVE HIGH PRESSURE ACROSS THE
SOUTHEASTERN QUARTER OF THE CONUS FOR THURSDAY INTO NEXT WEEKEND.
FOR NOW EXPECT DRY CONDITIONS WITH NEAR NORMAL TEMPERATURES /MAX MID
TO UPR 40S...MINS AROUND 30F/.

&&

.AVIATION /20Z SUNDAY THROUGH FRIDAY/...
THREAT OF PCPN HAS ENDED ACRS THE TERMINALS. CIGS HV LIFTED TO VFR.
CLRG MAKING ITS WAY SWD FM PA. FOCUSED ON 19-22Z TIMEFRAME N TO S
FOR CLRG LCLLY. HIPRES BLDG TNGT AND MVG OFFSHORE TMRW. THEREFORE...
ONLY ELEMENT OF MARGINAL INTEREST WL BE WNDS...WHICH WL BE NLY
TAFTN...BCMG LGT AND VRBL TNGT...AND RTNG SWLY TMRW. HWVR...SPDS WL
BE AOB 10 KT...SO ACTUAL IMPACT WL BE MINIMAL.

CHANCES OF LIGHT RAIN OR SOME WINTRY MIX AND MVFR VSBYS/CIGS MONDAY
NIGHT MAINLY SOUTH OF BALT-WASH AS AN UPR TROUGH CROSSES FROM THE
WEST. LIGHT FLOW BECOMES NLY FOR TUESDAY. MORE CHANCES FOR PRECIP ON
WEDNESDAY WITH A NELY FLOW AND POSSIBLE IFR CONDITIONS. HIGH
PRESSURE TO END THE WEEK.

&&

.MARINE...
HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE WATERS THIS EVENING
AND OVERNIGHT.  LIGHT NORTHERLY WINDS 5-10 KNOTS EXPECTED ON THE
WATERS THROUGH MONDAY MORNING.  BRIEF PERIOD OF 15-20 KNOT GUSTS
POSSIBLE BEFORE SUNSET AS GUSTS WILL BE ABLE TO MIX DOWN TO THE
SURFACE WITH CLOUDS PARTING.  WINDS WILL BEGIN TO BACK COMING OUT OF
THE WEST BY THE AFTERNOON.

SLY FLOW MONDAY NIGHT BECOMES WLY BEHIND A WEAK DISTURBANCE. NLY
FLOW TUESDAY BECOMES NELY TUESDAY NIGHT AND WEDNESDAY AS HIGH
PRESSURE WEDGES IN FROM THE NORTHEAST. NO HEADLINES ANTICIPATED
THROUGH MIDWEEK.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.
MARINE...NONE.

&&

$$
SYNOPSIS...BAJ
NEAR TERM...HAS
SHORT TERM...BAJ
LONG TERM...BAJ
AVIATION...BAJ/HTS
MARINE...BAJ/HAS

NWS LWX Office Area Forecast Discussion