FXUS61 KAKQ 261602
AFDAKQ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WAKEFIELD VA
1102 AM EST SAT DEC 26 2009

.SYNOPSIS...
LOW PRESSURE WILL MOVE SLOWLY NE ACROSS THE AREA TODAY...THEN NE OF 
THE AREA TONIGHT. HIGH PRESSURE WILL BUILD OVER THE AREA 
SUNDAY...THEN A SECONDARY COLD FRONT WILL MOVE ACROSS SUNDAY NIGHT. 
STRONG HIGH PRESSURE WILL BUILD IN FROM THE WEST MONDAY THROUGH 
WEDNESDAY.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
LINGERING POPS WILL BE NEEDED INTO THE EARLY AFTN FOR THE EASTERN
SHORE AS LAST BATCH OF DEEP MOISTURE AND LIFT ASSOCD WITH SHORT
WAVE ROTATING ABOUT THE LARGE DEEP VORTEX CENTERED OVER THE UPPER
MISSISSIPPI VALLEY MOVES UP THE MID ATLC COAST. WAL MORN UA SOCKED
IN WITH MOISTURE UP TO 650 MB AND WITH LTL TO NO LOW LEVEL FLOW TO
SCOUR THINGS OUT AND INJECTION OF HIGH LEVEL MOISTURE FROM THE
SW...EXPECT LOTS OF CLOUD COVER THIS AFTN. TEMPS ALREADY MILD
ACRS THE AREA BUT CLOUDS SHUD LIMIT MUCH OF A TEMPERATURE RISE
THIS AFTRN.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY NIGHT/...
SHRT WVS ROTATING AROUND UPR LOW WILL BRING SOME HIGH CLOUDS FROM S 
TONIGHT AND SUN...THEN PUSH SECONDARY FRONT THROUGH AREA SUN NIGHT 
WITH STRONG ARCTIC AIR SURGE MON-TUE. NO POPS DURING PERIOD. MAIN 
SIGNIFICANT WX WILL BE COLDER TEMPS MON-TUE.

&&

.LONG TERM /WEDNESDAY THROUGH FRIDAY/...
MAJOR FORECAST FEATURE IN THE EXTENDED IS WITH MIDLVL LOW PRESSURE 
COMING ASHORE ALONG SO CAL/BAJA MONDAY...MOVING ACROSS THE SW CONUS 
TUE/WED. THIS COULD POSE A WINTER WX THREAT FOR PARTS OF THE REGION 
NEW YEARS EVE/DAY. ONLY CHANGE TO PREVIOUS FCST WAS TO ADD SLGHT CHC 
POPS ALL ZONES WED NIGHT...LIGHT SNOW FOR VA/MD SECTIONS AND RAIN OR 
MIX S.

&&

.AVIATION /16Z SATURDAY THROUGH WEDNESDAY/...
FCST SOUNDINGS SHOW LOW LVL MOISTURE TRAPPED ACROSS THE REGION
INTO THE AFTN AND EXPECT WIDESPREAD IFR CONDS WITH SOME SLOW
IMPROVEMENT TO MVFR VERY LATE THIS AFTN OR EVE. VFR ALL AREAS
DEVELOP OVERNIGHT AS DRIER AIR WORKS DOWN TO THE SFC. CONT VFR
INTO MID WEEK AS WEAK HIGH PRES BUILDS IN FROM THE SW
SUNDAY...WITH STRONGER HIGH BUILDING IN FROM THE WNW MON THROUGH
WED.

&&

.MARINE...
DROPPED THE GALE WARNING FOR NORTHERN CSTL WATERS BUT WINDS WILL
REMAIN IN SCA RANGE THERE FOR THE EARLY AFTN. ELSEWHERE SCA WILL
REMAIN UP FOR SEAS (AND WAVES FOR FAR SOUTHERN CHES BAY). SEAS
WILL BE SLOW TO COME DOWN AND A REINFORCING CAA SURGE MAY BRING
WINDS UP NEAR SCA LEVELS AGAIN SUN NIGHT.

&&

.HYDROLOGY...
ISSUED FLW FOR LAWRENCEVILLE THIS MORN. ADDITIONAL RIVER FLOOD
WARNINGS MAY NEED TO B ISSUED THIS AFTN PER LATEST GUIDANCE FROM RFC.

&&

.TIDES/COASTAL FLOODING...
A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR BAYSIDE LOWER MD
EASTERN SHORE. WATER LEVEL IS PEAKING AT CAMBRIDGE AT JUST BLO 4
FT LATE THIS MORN. HIGH TIDE IS OCCURRING NOW AND WATER LEVEL WILL
FALL HEADING INTO THE NEXT LOW TIDE CYCLE THIS AFTN.

&&

.EQUIPMENT...
PHONE SERVICE AT AKQ CONTS TO BE SPORADIC AT BEST. INTERMITTENT 
OUTAGES WILL CONTINUE FOR NWR XMTRS OUT OF AKQ. RIC NWR TRANSMITTING 
ON MICROWAVE AND AVBL ONLINE. IN ADDITION...KAKQ 88D PRODUCTS NOT 
BEING TRANSMITTED. RETURN TO SERVICE FOR THESE PRODCTS UNKNOWN. PNS 
WAS ISSUED ON 12/23.

&&

.AKQ WATCHES/WARNINGS/ADVISORIES...
MD...COASTAL FLOOD ADVISORY UNTIL 4 PM EST THIS AFTERNOON FOR 
     MDZ021-023.
NC...NONE.
VA...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 7 PM EST THIS EVENING FOR ANZ632.
     SMALL CRAFT ADVISORY UNTIL 4 PM EST MONDAY FOR ANZ650-652-654-
     656-658.

&&

$$
SYNOPSIS...
NEAR TERM...
SHORT TERM...
LONG TERM...
AVIATION...
MARINE...
HYDROLOGY...
TIDES/COASTAL FLOODING...
EQUIPMENT...