Forecast Discussions mentioning ACARS, received at FSL on 03/30/01


SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NWS LOS ANGELES/OXNARD CA
AFDLOX 845 AM PST THU MAR 29 2001

COASTAL EDDY CIRCULATION CONTINUES TO BE DOMINATING WEATHER FACTOR THIS MORNING...BRINGING LOW CLOUDS AND FOG WELL INTO THE VALLEYS. ACARS SOUNDINGS AND PILOT REPORTS INDICATING MARINE LAYER DEPTH BETWEEN 2000 AND 2500 FEET THIS MORNING ACROSS THE LOS ANGELES BASIN. A GOOD SURGE OF NORTHERLY FLOW ACROSS THE LA COUNTY MOUNTAINS HAS SCOURED OUT MOST OF THE STRATUS ACROSS THE SAN FERNANDO VALLEY... BUT LOW CLOUDS ARE PERSISTENT ACROSS THE PROTECTED SAN GABRIEL VALLEY. STRATUS EXPECTED TO BURNOFF THIS AFTERNOON ACROSS MOST AREAS... EXCEPT ACROSS THE LA COUNTY COAST...WHERE LOW CLOUDS COULD BE PERSISTENT NEAR THE BEACHES.

FAIRLY DEEP MARINE LAYER AND GOOD ONSHORE GRADIENTS WILL KEEP TEMPERATURES FAIRLY MILD TODAY ACROSS MOST COASTAL AND VALLEY AREAS. ONLY EXCEPTION TO THIS COULD BE THE SANTA CLARITA AND SAN FERNANDO VALLEYS...WHERE DOWNSLOPE NORTHERLY WINDS COULD LOCALLY BRING TEMPERATURES ABOVE 80 DEGREES.

WILL EXTEND WIND ADVISORIES UNTIL NOON ACROSS THE MOUNTAINS...WHERE WIND GUSTS OVER 50 MPH ARE STILL BEING REPORTED. NORTHERLY WINDS WILL CONTINUE IN THE MOUNTAINS THROUGH TONIGHT...THEN WILL SHIFT TO THE NORTHEAST FRIDAY THROUGH SATURDAY. AT THIS TIME...IT DOES NOT APPEAR THAT THE OFFSHORE EVENT WILL BE STRONG ENOUGH TO WARRANT ADVISORIES. WITH EDDY CIRCULATION AND DEEP MARINE LAYER IN PLACE... WILL BE DIFFICULT FOR OFFSHORE WINDS TO SURFACE AT LOWER ELEVATIONS. WHILE MARINE LAYER IS EXPECTED TO SHRINK SOME OVER THE NEXT COUPLE OF DAYS...PERSISTENT EDDY CIRCULATION COULD KEEP LOW CLOUDS GOING ACROSS LA BASIN.

LAX 000. GOMBERG.

.LAX...WIND ADVISORY...SEE LAXNPWLAX. GALE WARNING/SMALL CRAFT ADVISORY...SEE LAXCWFLAX.




AREA FORECAST DISCUSSION
NWS QUAD CITIES IA IL
AFDMLI 200 PM CST THU MAR 29 2001

UA ANALYSIS SHOWED THE S/W THAT BROUGHT THE LIGHT PRECIPITATION TO THE CWA THIS MORNING OVER WI AT 12Z. ANOTHER S/W TROUGH WAS EVIDENT OVER THE CENTRAL AND NORTHERN PLAINS. A WEAK SURFACE TROUGH EXTENDING FROM LOW PRESSURE OVER NORTH CENTRAL IA SW INTO KS WAS NOTED AT 18Z. SURFACE REPORTS SHOWED SOME DZ NEAR THIS TROUGH EARLIER THIS MORNING. REGIONAL RADAR LOOPS SHOWING SOME SHRA ACTIVITY OVER SRN NE...JUST NORTH OF THE TROUGH. THIS ACTIVITY APPEARS TO BE DRIVEN BY SOME ISENTROPIC LIFT AND WEAK DYNAMICS.

SOME PROBLEMS WERE NOTED WITH THE MODEL INITIALIZATION THIS MORNING...OVER THE EASTERN PACIFIC. SATELLITE DERIVED WINDS AND AIRCRAFT REPORTS INDICATE A MUCH STRONGER H300 JET THAN MODELS DEPICT ENTERING BRITISH COLUMBIA TODAY...WHICH WILL LEAD TO CONTINUED DOUBTS ABOUT SYSTEM MOVING THROUGH REGION SAT/SUN.

IN THE NEAR TERM...MODELS WERE SIMILAR WITH ETA/AVN COMPROMISE FOLLOWED FOR THE FORECAST IN THE SHORT TERM. MODELS KEEP WEAK SURFACE TROUGH JUST TO OUR WEST THROUGH 12Z FRIDAY. WITH HIGH LOW LEVEL RH AND SOME WEAK CONVERGENCE WILL MENTION DZ WEST OF THE MS TONIGHT AND INTO FRIDAY MORNING. TROUGH FILLS DURING THE DAY FRIDAY AS THE NEXT SYSTEM APPROACHES FROM THE NORTHWEST. MODELS ARE SUGGESTING A S/W OVER THE PLAINS WILL MOVE THROUGH CWA FRIDAY. WEAK LIFT WITH THE S/W COMBINED WITH WAA MAY BE ENOUGH TO GENERATE SOME -RN DURING THE AFTERNOON. WILL INTRODUCE LOW POPS OVER THE NORTH AND LEAVE SOUTH DRY FOR NOW. SCENARIO IS LESS CLEAR INTO SATURDAY AND SUNDAY WITH STRONG SYSTEM DROPPING IN FROM THE NORTHWEST. ETA/AVN ARE CLOSE AT 60HRS WITH LENDS SOME CONFIDENCE TO THE AVN. AVN BRINGS BEST LIFT THROUGH CWA SATURDAY MORNING. WILL GO WITH LIKELY OR BETTER WORDING FRIDAY NIGHT AND SATURDAY. WITH STRONG DYNAMICS AND FORECAST SOUNDINGS SHOWING STEEP MID LEVEL LAPSE RATES WILL ALSO MENTION SOME THUNDER. 850 TEMPS CRASH DURING THE AFTERNOON SO THERE COULD BE A MIX AS THE MAIN PCPN SHIELD EXITS THE CWA. SATURDAY NIGHT INTO SUNDAY...CLOUDS...WITH SOME LIGHT PCPN POSSIBLE...WITH STRONG CAA AND MORE ENERGY DROPPING SOUTH THROUGH THE REGION. WILL GO WITH -RN/SN MIX FOR NOW WITH LOW LEVEL TEMPS WARM ENOUGH TO SUPPORT SOME LIQUID PCPN SUNDAY. MOS MIN TEMPS LOOK A LITTLE TOO COOL DUE TO CLOUD COVER TONIGHT AND SOUTHERLY FLOW FRIDAY NIGHT AND WILL BUMP UP A NOTCH. MOS MAX TEMPS LOOK REASONABLE FOR FRIDAY. SATURDAY HIGHS WILL BE TRICKY WITH MID DAY FROPA. AT THE MOMENT A MAV/FWC COMPROMISE LOOKS BEST WEST OF THE MS WITH SLIGHTLY COOLER MAV NUMBERS FAVORED TO THE EAST.

MODELS CONTINUE TO SHOW A LOT OF VARIABILITY IN THE EXTENDED PERIOD. FOLLOWED AVN THROUGH MID WEEK PULLING WEEKEND SYSTEM OUT OF REGION ON SUNDAY THEN BRINGING PACIFIC FRONT THROUGH BY TUESDAY. INITIAL INDICATIONS ARE THAT MOISTURE WILL BE LIMITED WITH THIS SYSTEM...BUT DYNAMICS MAY BE ENOUGH FOR SOME SHRA. WILL ALSO INCLUDE CHANCE FOR THURSDAY WITH MRF INDICATING SOUTHWEST TROUGH WILL LIFT OUT BY THE END OF THE WEEK.

.DVN... IA...NONE. IL...NONE. MO...NONE.

DLF




SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NWS LOS ANGELES/OXNARD CA
AFDLOX 900 PM PST THU MAR 29 2001

WIND ADVISORY CONTINUES THIS EVENING ACROSS S SBA COUNTY COAST AND ADJACENT MOUNTAINS. MONTECITO HILLS BEING HIT THE HARDEST AT THIS TIME WITH LATEST WINDS NORTHEAST 39 GUSTING TO 53 MPH. WILL CONTINUE ADVISORY THRU 3 AM FRI AS SUPPORT FOR STRONG WINDS BY THIS TIME DIMINISHES. ELSEWHERE...FAIR SKIES EXCEPT FOR PATCHY MARINE LAYER CLOUDS OVER THE CENTRAL COAST...ALONG VTU COUNTY COAST...AND IN SAN GABRIEL VALLEY. SOME HINTS OF AN EDDY GOING ON...BUT CERTAINLY CIRCULATION WEAKER THIS EVENING THAN FROM 24 HOURS AGO. 00Z SOUNDINGS AND RECENT ACARS DATA OVER LAX BASIN SHOWS MARINE LAYER TO BE AROUND 1500 FEET OVER SBA COUNTY AND AROUND 2200 FEET OVER LAX COUNTY. MESO-ETA CROSS SECTIONS SHOW THE MARINE LAYER SHRINKING OVERNIGHT...DOWN TO BELOW 1000 FEET OVER LAX COUNTY BY MORNING AS OFFSHORE FLOW INCREASES SOMEWHAT. HAVE BEEN LOOKING AT RAWS DATA TO SEE ANY HINTS OF THIS BEGINNING TO HAPPEN. WINDS AT SAUGUS HAVE SWITCHED AROUND TO EASTERLY...OTHERWISE LOW LEVEL HUMIDITIES REMAIN HIGH. DIFFICULT TO SAY IF MESO-ETA IS ON THE RIGHT STRACK. SOMETIMES THE MODELS OVERDO THE SHRINKING OF THE MARINE LAYER WITH OFFSHORE FLOW. CONSIDERING LOW CLOUDS HAVE ALREADY FORMED INLAND OVER THE SAN GABRIEL VALLEY...IT APPEARS THIS MARINE LAYER SHRINKING PROCESS HAS NOT YET BEGUN...AND MAY NOT HAPPEN UNTIL FRI MORNING. AM INCLINED TO BE MORE PESSIMISTIC WITH LOW CLOUDS OVER THE LAX COUNTY VALLEYS TONIGHT.

HOW THE MARINE LAYER BEHAVES TONIGHT AND FRI WILL HAVE AN EFFECT ON HIGH TEMPS ACROSS THE REGION FRI. MESO-ETA DOES SHOW 950 MB TEMPS INCREASING BY 6 DEGREES OR SO OVER LAX COUNTY FOR FRI AFTERNOON. TEMPS FRI AFTERNOON WILL LIKELY BE WARMER THAN TODAY OVER MOST AREAS. THEN FOR SAT...IT APPEARS THAT MARINE LAYER INFLUENCE WILL BE CONFINED TO THE IMMEDIATE COAST...WITH THE VALLEYS WARMING WELL INTO THE 80S. UPPER RIDGE OFF THE COAST WILL LINGER THROUGH SAT TO KEEP THE WEATHER DRY AND WARMER THAN NORMAL.

WILL ISSUE A ZONE UPDATE BY 930 PM TO ADJUST WORDING MAINLY IN THE FIRST PERIOD FOR A FEW ZONES. OTHERWISE...THE BALANCE OF THE FORECAST LOOKS REASONABLE...INCLUDING TEMPERATURES.

IN THE EXTENDED...THE UPPER RIDGE OFF THE COAST GRADUALLY BREAKS DOWN SUN AND EARLY MON...THEN AN UPPER TROUGH WILL MOVE DOWN THE W COAST AND INTO SOCAL FOR LATE MON AND TUE. IT IS A BIT TOO EARLY TO SAY WHETHER THE DISTRICT WILL GET ANY RAIN FROM THIS UPPER TROUGH. AT THIS TIME IT LOOKS LIKE AFFECTS WILL BE TO COOL TEMPS DOWN...DEEPEN THE MARINE LAYER...AND INCREASE ONSHORE FLOW.

LAX 0000. SIRARD.

.LAX...WIND ADVISORY...SEE LAXNPWLAX. SMALL CRAFT ADVISORY...SEE LAXCWFLAX.




AREA FORECAST DISCUSSION
NWS CHICAGO IL
AFDCHI 300 AM CST FRI MAR 30 2001

THE LARGE WAVE OVER THE CENTRAL U.S. DOMINATES THE WEATHER FOR THE FORECAST AREA OF NORTHEAST ILLINOIS AND NORTHWEST INDIANA. SHORT WAVES MOVING EAST ACROSS THE REGION WILL KEEP THE CLOUDS TRAPPED UNDER THE WEAK INVERSION THIS MORNING AND DURING THE DAY. A NORTHEAST TO EAST FLOW IS EVIDENT FROM ACARS SOUNDINGS AND WOLCOTT PROFILER DATA. A STRONG JET ON THE NORTHWEST COAST AS SEEN ON THE 300 MB AND WATER VAPOR LOOPS WILL PUSH SOUTHEAST AS A SHORT WAVE MOVE SOUTHEAST FROM CANADA. THIS WAVE WILL CREATE ENOUGH BAROCLINIC INSTABILITY TO CAUSE CYCLOGENESIS IN SOUTHERN SASKATCHEWAN. HEIGHT FALLS ARE IN ALBERTA AT 00 UTC AT 500 MB. THIS LOW WILL BRING RAIN INTO THE FORECAST AREA SATURDAY. THICKNESS FORECASTS SUGGEST SNOW FOR SATURDAY NIGHT INTO SUNDAY. WITH A MIX ON SUNDAY MAINLY AROUND ROCKFORD.

WARM FRONT SHOWERS MOVE IN ON MONDAY NIGHT AND MORE RAIN MOVES IN ON WEDNESDAY AHEAD OF ANOTHER LOW IN THE DAKOTAS. WILL USE THE AVN AS MODEL OF CHOICE TONIGHT. .CHI...NONE. $$ WHW




AREA FORECAST DISCUSSION
NWS GRAY ME
AFDGYX 245 AM EST FRI MAR 30 2001

TUFF CALL THIS MRNG WITH RESPECT TO W/W/A DECISION...SINCE THE AMS APPEARS AS THO IT WL BE BORDERLINE CD ENUF TO SUPPORT SN FOR A GUF PTN OF THE FA LONG ENUF TO PUT DOWN A DECENT ACCUMULATION.

MODELS IN FAIRLY GUD AGREEMENT WITH RESPECT TO THE LARGER FTRS THRU THE FCST PD. THE MAIN FCST PROBLEM LIES WITH TDY (AND TNGT FOR ERN ZNS AND THE MTNS).

PCPN ALREADY GOING IN THE SRN PTN OF THE FA...AND SINCE THE PCPN IS LITE...IT IS TAKING VARIOUS FORMS. FURTHER S...ORH IS NOW SN...AND EXPECT A TYPICAL WAA PCPN BURST TO DEVELOP THIS MRNG ACRS NH AND LATER THIS MRNG INTO THIS AFTN IS ME. ACARS SOUNDINGS (AS WELL AS THE 30/00Z GYX RAOB) SUGGEST THAT THERE IS PLENTY OF ROOM FOR EVAP COOLING TO CHANGE PCPN TO SN AS THE INTENSITY INCREASES.

THE QUESTION IS HOW LONG THE PCPN CAN REMAIN SN (ESP FOR PTNS OF INTERIOR SRN NH AND INTERIOR SWRN AND CNTRL ME). MODEL SOUNDINGS SUGGEST THAT THIS CUD OCCUR AS LT AS 16-18Z FOR SRN NH AND EVEN LATER FOR INTERIOR CRNTL ME. GIVEN THE AMT OF INFLO ASSOCIATED WITH THE MID LEVEL S/W...AS WELL AS THE AMT OF WAA...WUD EXPECT THAT THERE WL BE A PD OF +SN FOR JUST ABT EVERYONE THIS AM.

AFT THIS...AS ACARS SOUNDINGS TO THE S SHOW...+1/+2C AIR ARRIVE BETWEEN 4.5KFT AND 7KFT...BRINGING -PL INTO THE EQUATION. WUD EXPECT THIS TO OCCUR FOR INTERIOR SRN NH AND INTERIOR SWRN AND CNTRL ME AS THE BEST WAA AND VV/S OCCUR. MODEL QPFS SUGGEST THAT UP TO 0.6 TO 0.7 CUD FALL BEFORE THE MIX WITH -PL. THIS CUD GET SOME OF THE HIER ELEVATION IN THE ABOVEMENTIONED AREAS TO WINTER STORM NUMBERS.

FURTHER SE...ESP ALG THE NH AND SWRN ME CST...WUD EXPECT THAT EVEN WITH THE +SN EARLY...THIS AREAS SHUD CHANGE TO -RA...EVEN WITH THE BEST UVV/S. SUM TREPIDATION HERE...BUT WL GO WITH A MIN ADVISORY FOR HIER TRRN. SINCE MUCH LESS LIQUID EXPECTED THAT PRVS...WL DROP THE FLOOD WATCH HERE AS WELL.

FOR THE MIDCST...INCLUDING PWM...WL BE A BATTLE BETWEEN SN AND RA WITH THE WARMER BOUNDARY TEMPS. SPOKE WITH CAR...AND WL KEEP AMTS IN THE WINTER WEATHER ADVISORY RANGE HERE. WL WACTH THE PROGRESS OF THE CHANGE TO DETERMINE THE STATE OF THIS ADVISORY.

IN THE MTNS...WL GO WITH A MIN WARNING SINCE THE UPSLOPE COMPONENT SHUD COMPENSATE FOR LESSER QPF DUE TO THE STROM TRACK.

AS FOR TEMPS...WUD EXPECT THAT THE COOLER NGM NUMBERS WL BE BETTER...BASED ON THE FACT THAT TEMPS AWAY FM THE CST MAY NOT CHANGE MUCH SINCE THE WIND DIRECTION DOES NOT FAVOR IT.

FOR TNGT...WUD EXPECT THE PCPN TO TAPER TO A LITE MIX FROM SW TO NE. WL NOT TRY TO TIME THIS IN THE MTNS...SNCE THE UPSLOPE COMPONENT CUD KEEP THE PCPN GOING HERE WELL INTO THE NGT. FOR MOST PLACES...WUD EXPECT LTL TEMPS CHANGE.

FOR SAT...IN THE BROAD CYCLONIC FLO...WL KEEP A MENTION OF -SHSN IN THE MTNS AND FOOTHILLS...AND PROBABLY A MIN CHC OR NON-POP PCPN FOR OTHER ZNS. TEMPS ARE CLOSE...AND IN THE NLY FLO...WUD EXPECT LTL IN THE WAY OF RISE IN TEMPS FOR MAXES.

NEXT EVENT PROBABLY HOLDS OFF TIL SUN NIGHT OR MON.

ON THE COASTAL WATERS...WINDS INCRG TO GLW LATER THIS MRNG. THO THERE MAY BE SUM GUSTS TO STM LAT THIS AFTN AND EARLY TNGT...WUD EXPECT GLW SHUD HOLD IT.

THANKS FOR THE COORD BTV AND CAR!

PRELIM WRKZFP/WRKCWF AVBL. AS ALWAYS...COMMENTS/OPINIONS WELCOME.

.GYX...WINTER STORM WARNING TODAY AND TONIGHT MEZ007>009-012>014 NHZ001>004

WINTER STORM WARNING TODAY AND THIS EVENING NHZ005>009 WINTER WEATHER ADVISORY FOR TODAY MEZ018>022-MEZ023>028-NHZ014 GLW

HAYES




AREA FORECAST DISCUSSION
NWS SEATTLE WA
AFDSEW 830 PM PST THU MAR 29 2001

.OVERVIEW... STRONG ZONAL FLOW CONTINUES ACROSS THE ERN PAC WITH A FLAT LONG WAVE RIDGE CENTERED NEAR 140W AND EMBEDDED PROGRESSIVE SHORT WAVES MOVING THROUGH. WHILE A LITTLE WEAK WITH THE STRENGTH OF THE JET ACROSS THE N PAC PER ACARS DATA...MODELS ONCE AGAIN APPEAR RATHER WELL INITIALIZED. BUT SHORT TERM MODELS ARE SIGNIFICANTLY FASTER AND WETTER WITH THE NEXT INCOMING SYSTEM THAT NOW MOVES IN SAT. IN THE LONGER RANGE MODELS CONTINUE TO SHOW A LOT OF VARIANCE IN OUR AREA. MOST SOLUTIONS...PARTICULARLY THE ECMWF...SHOW QUITE A BIT OF CYCLONIC FLOW OVER OUR AREA AND THE NE PAC THRU WED. THE MRF/AVN SHOWS THE MOST RIDGING ALONG 130W BY TUE OR WED OF NEXT WEEK.

.SHORT TERM... WITH THE PASSAGE OF THE FRONT EARLIER THIS EVENING ONSHORE GRADIENTS AND WESTERLY WINDS THROUGH THE STRAIT AND CHEHALIS GAP ARE INCREASING. A PGTSND CONVERGENCE ZONE APPEARS TO BE SETTING UP N OF KPAE PER KATX RADAR WHILE MODERATE PCPN IS BEING REPORTED IN THE MOUNTAINS. EXPECT UPSLOPE PCPN AND CONVERGENCE TO CONTINUE OVERNIGHT SO WILL MAINTAIN THE SN ADVISORY FOR THE CASCADES AND PASSES. RIDGING BUILDS RAPIDLY INLAND FRI MORNING WHICH WILL STABILIZE THE AMS AND KILL THE ONSHR GRADIENTS...HENCE ENDING THE PCPN AND CONVERGENCE ZONES BY 15-18Z. THE MAIN DIFFERENCE TONIGHT CONCERNS THE SPEED AT WHICH THE NEXT SYSTEM NOW NEARING 145W MOVES EWD. WARM ADVECTION PCPN SHOULD REACH THE COAST FRI EVENING THEN MOVE INLAND LATE FRI NIGHT. SAT COULD BE AN ALL DAY RAIN WITH A LATE AFTN FROPA IN THE INTERIOR. THE AFTN FORECASTS...BASED ON PREVIOUS MODEL GUIDANCE...APPEAR TOO DRY AND SLOW. SO WILL UPDATE FRI NIGHT AND SAT PERIODS.

.EXTENDED... LOOKS SHOWERY SUN AS A MEAN TROUGH SETS UP ALONG 130W. CURRENT FORECASTS FOR MON AND TUE MAY BE A BIT OPTIMISTIC...BUT WILL AWAIT NEW GUIDANCE BEFORE MAKING CHANGES BEYOND SAT NIGHT PERIOD.

UIL 827+ SEA 3237 OLM 6238 ALBRECHT

.SEW...SNOW ADVISORY TONIGHT NORTH W SLOPES NORTH AND CENTRAL CASCADES AND PASSES. SMALL CRAFT ADVISORY COAST...STRAIT OF JUAN DE FUCA... PUGET SOUND AND HOOD CANAL.

.KATX...VCP21/CSR21...OPERATIONAL.




EXTREME SOUTHWESTERN CALIFORNIA AREA FORECAST DISCUSSION
NWS SAN DIEGO CA
AFDSAN 315 AM PST FRI MAR 30 2001

...SYNOPSIS... WEAK HIGH PRESSURE WILL BRING WARM TEMPERATURES FOR THE MOUNTAINS AND DESERTS THROUGH THE WEEKEND. A COASTAL EDDY WILL KEEP COASTAL AREAS COOLER WITH LOW CLOUDS AND FOG CLEARING A LITTLE FASTER DAY. A TROUGH OF LOW PRESSURE WILL DEVELOP ALONG THE WEST COAST EARLY NEXT WEEK BRINGING COOLER TEMPERATURES TO SOUTHWEST CALIFORNIA WITH A CHANCE OF RAIN BY MID WEEK.

...DISCUSSION... AVN/ETA PREFERRED IN THE NR TERM. WK UPR RDG WL BUILD INTO SRN CA THRU THE WEEKEND...THEN BE REPLACED BY A DEEP UPR TROUGH DEVELOPING ALG THE W CST EARLY NEXT WEEK. EXTENDED MDLS CONTINUE TO HAVE DIFFICULTY WITH THE DETAILS IN THE DEVELOPMENT OF THIS DEEP UPR TROUGH. UPR TROUGH THEN PROGGED TO LINGER IN THE VCNTY OF THE SW STATES DURG THE MIDDLE TO LATTER PART OF NEXT WEEK. THIS MAY BRING A CHANCE OF RAIN TO SW CA SOME TIME DURG THIS PD.

IN THE NR TERM...CSTL EDDY PROGGED BY ETA/AVN TO CONTINUE THRU THE WEEKEND. MARINE LYR DEPTH STILL AROUND 3000 FT. BASES ARE SLIGHTLY HIGHER THAN 24 HOUR AGO. DEPTH OF MOIST LYR BETWEEN STRATUS BASES AND TOPS HAS DECRD A LTL FM THE PAST TWO DAYS. THIS SHOULD KP ANY DRIZZLE THIS MORNING LESS EXTENSIVE THAN THE PAST TWO MORNINGS. RECENT ACARS SOUNDINGS FM ONT SHOW NELY WINDS AROUND 25 KT JUST ABV THE MARINE INVERSION. THIS SHOULD AID MIXING AFTER SUNRISE AND ALLOW FOR A LTL FASTER INLAND CLRG TODAY.

MINOR DECR IN MARINE LYR DEPTH MAY OCCUR DURG EACH OF THE NEXT TWO DAYS WITH A LTL FASTER CLRG EACH DAY. HOWEVER...MARINE LYR WL LIKELY REMAIN DEEP ENOUGH TO REACH PORTIONS OF THE INLAND EMPIRE EACH NIGHT. SIGNIFICANT DEEPENING OF THE MARINE LYR IS LIKELY SUN NIGHT CONTINUING INTO EARLY NEXT WEEK. WL CONTINUE TO UNDERCUT AVN MOS NUMBERS W OF THE MTNS THRU THE WEEKEND DUE TO THE CONTINUING EDDY AND ASSOCD MARINE INFLUENCE. SAN 000

.SAN...NONE.

MARTIN