Land Management Forecasts
Issued by NWS San Diego, CA

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FNUS86 KSGX 212145
FWLSGX
SGXWRKECC
WORK DISCUSSION FOR SAN DIEGO FIRE WEATHER ECC DISPATCH FORECASTS
NATIONAL WEATHER SERVICE SAN DIEGO CA
245 PM PDT THU AUG 21 2014

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##           ECC033, ECC034 or ECC035-                  ##
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##                LAXECCSGX                             ##
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## (note that ECC033, etc. are no longer separate PILs) ##
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##    discussions in the fire weather forecast (and     ##
##    they apply to Phoenix`s part of the ECC034 too).  ##
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SUMMARY OF FWF DISCUSSIONS

Discussion from LAXFWFSGX


AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST AND TRACK NEAR
THE MEXICO BORDER THROUGH TONIGHT...REACHING CENTRAL ARIZONA BY
FRIDAY MORNING. THUNDERSTORMS HAVE DEVELOPED AND WILL CONTINUE
ACROSS THE MOUNTAINS OF SAN DIEGO...RIVERSIDE AND SAN BERNARDINO
COUNTIES AS WELL AS THE DESERTS. SHOWERS AND THUNDERSTORMS WILL
DISSIPATE LATE THIS EVENING. DRIER AND WARMER CONDITIONS WILL
RETURN FRIDAY AND LIKELY CONTINUE THROUGH THE MIDDLE OF NEXT WEEK.
LOCALLY GUSTY WEST WINDS MAY OCCUR FRIDAY THROUGH THE WEEKEND IN
THE DESERTS.


Discussion from LAXFWFLOX


LOW PRESSURE OVER SRN CA IS STARTING TO MOVE SLOWLY SOUTH AND EAST
AWAY FROM OUR AREA. THIS HAS ALREADY RESULTED IN A SIGNIFICANT DROP
IN THE MARINE LAYER DEPTH AND DOUBLE DIGIT WARMING TRENDS BETWEEN
3000 AND 5000 FEET. HUMIDITIES IN THIS LAYER ARE TRENDING STRONGLY
LOWER THIS MORNING AS WELL. MOST OF THE REST OF THE AREA WILL BE
DRIER AND WARMER AS WELL BUT TO A LESSER DEGREE. THERE IS STILL SOME
LINGERING UNSTABLE AIR ACROSS THE MOUNTAINS, ESPECIALLY THE EASTERN
SAN GABRIELS, AND THE ANTELOPE VALLEY SO THERE IS STILL A VERY SMALL
CHANCE OF AN AFTERNOON THUNDERSTORM THERE TODAY. IF THUNDERSTORMS
FORM...DRY LIGHTNING WILL BE A CONCERN ALONG WITH GUSTY AND ERRATIC
WINDS. THE AIR MASS WILL CONTINUE TO DRY AND STABILIZE FRIDAY AND
THROUGH THE WEEKEND WITH VIRTUALLY NO CHANCE FOR THUNDERSTORM
ACTIVITY. TEMPS NEAR TO SLIGHTLY BELOW SEASONAL NORMS. A WARMING
TREND IS EXPECTED BY THE MIDDLE OF NEXT WEEK.


Discussion from SFOFWFHNX

A FEW SHOWERS AND THUNDERSTORMS WILL LINGER OVER
MOUNTAIN AREAS INTO THE EVENING AS AN UPPER LEVEL LOW MOVES
INTO SOUTHERN CALIFORNIA. A DRIER WESTERLY FLOW ALOFT
WILL LEAD TO DRY CONDITIONS THROUGH FRIDAY. TEMPERATURES WILL
WARM TO NEAR SEASONAL LEVEL WITH GRADUALLY DECREASING HUMIDITIES.
WINDS WILL GENERALLY BE LIGHT AND TERRAIN DRIVEN ON THURSDAY.
A TROUGH OF LOW PRESSURE WILL MOVE INTO NORTHERN CALIFORNIA ON
FRIDAY BRINGING STRONGER ONSHORE WINDS.


Discussion from RNOFWFVEF

A LOW PRESSURE SYSTEM NEAR SAN DIEGO WILL MOVE TOWARD
ARIZONA LEADING TO INCREASING THUNDERSTORM COVERAGE OVER SOUTHEAST
CALIFORNIA...SOUTHERN NEVADA AND NORTHWEST ARIZONA TODAY. LINGERING
STORMS MAY CONTINUE OVER NORTHWEST ARIZONA EARLY IN THE WEEKEND THEN
DRY CONDITIONS CAN BE EXPECTED ACROSS THE ENTIRE REGION THROUGH THE
MIDDLE OF NEXT WEEK.


Discussion from PHXFWFPSR


SHOWERS AND THUNDERSTORMS WILL CONTINUE TO IMPACT THE REGION THIS
EVENING...PARTICULARLY ACROSS SOUTHEASTERN CALIFORNIA AND SOUTHWESTERN
ARIZONA. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING GUSTY AND ERRATIC
WINDS...FREQUENT LIGHTNING AND WIDESPREAD WETTING RAINS. DRIER
CONDITIONS ARE EXPECTED FRIDAY AND SATURDAY AS THE FLOW BECOMES
WESTERLY IN THE WAKE OF A DEPARTING LOW PRESSURE SYSTEM.

...THUNDERSTORMS IMPLY GUSTY WINDS...

NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.


############# Modify the discussions below ###############

ECC033-220945-

DISCUSSION FOR ORANGE ECC DISPATCH
245 PM PDT THU AUG 21 2014


AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST AND TRACK NEAR
THE MEXICO BORDER THROUGH TONIGHT...REACHING CENTRAL ARIZONA BY
FRIDAY MORNING. THUNDERSTORMS HAVE DEVELOPED AND WILL CONTINUE
ACROSS THE MOUNTAINS OF SAN DIEGO...RIVERSIDE AND SAN BERNARDINO
COUNTIES AS WELL AS THE DESERTS. SHOWERS AND THUNDERSTORMS WILL
DISSIPATE LATE THIS EVENING. DRIER AND WARMER CONDITIONS WILL
RETURN FRIDAY AND LIKELY CONTINUE THROUGH THE MIDDLE OF NEXT WEEK.
LOCALLY GUSTY WEST WINDS MAY OCCUR FRIDAY THROUGH THE WEEKEND IN
THE DESERTS.

$$

ECC034-220945-

DISCUSSION FOR RIVERSIDE ECC DISPATCH
245 PM PDT THU AUG 21 2014


AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST AND TRACK NEAR
THE MEXICO BORDER THROUGH TONIGHT...REACHING CENTRAL ARIZONA BY
FRIDAY MORNING. THUNDERSTORMS HAVE DEVELOPED AND WILL CONTINUE
ACROSS THE MOUNTAINS OF SAN DIEGO...RIVERSIDE AND SAN BERNARDINO
COUNTIES AS WELL AS THE DESERTS. SHOWERS AND THUNDERSTORMS WILL
DISSIPATE LATE THIS EVENING. DRIER AND WARMER CONDITIONS WILL
RETURN FRIDAY AND LIKELY CONTINUE THROUGH THE MIDDLE OF NEXT WEEK.
LOCALLY GUSTY WEST WINDS MAY OCCUR FRIDAY THROUGH THE WEEKEND IN
THE DESERTS.

$$

ECC035-220945-

DISCUSSION FOR MONTE VISTA ECC DISPATCH
245 PM PDT THU AUG 21 2014


AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST AND TRACK NEAR
THE MEXICO BORDER THROUGH TONIGHT...REACHING CENTRAL ARIZONA BY
FRIDAY MORNING. THUNDERSTORMS HAVE DEVELOPED AND WILL CONTINUE
ACROSS THE MOUNTAINS OF SAN DIEGO...RIVERSIDE AND SAN BERNARDINO
COUNTIES AS WELL AS THE DESERTS. SHOWERS AND THUNDERSTORMS WILL
DISSIPATE LATE THIS EVENING. DRIER AND WARMER CONDITIONS WILL
RETURN FRIDAY AND LIKELY CONTINUE THROUGH THE MIDDLE OF NEXT WEEK.
LOCALLY GUSTY WEST WINDS MAY OCCUR FRIDAY THROUGH THE WEEKEND IN
THE DESERTS.

$$




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