Land Management Forecasts
Issued by NWS San Diego, CA

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FNUS86 KSGX 171325
FWLSGX

ECCDA DISCUSSIONS
NAATIONAL WEATHER SERVICE SAN DIEGO CA
525 AM PST SUN DEC 17 2017

ECC033-180730-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
525 AM PST SUN DEC 17 2017

UPPER LEVEL LOW PRESSURE OVER NORTHWEST MEXICO WILL MOVE EASTWARD
TODAY WITH RESIDUAL MID LEVEL MOISTURE AND CLOUDS OVER THE MOUNTAINS
AND DESERTS OF SAN BERNARDINO...RIVERSIDE...AND SAN DIEGO COUNTIES
CONTINUING INTO THIS MORNING...THEN DECREASING DURING THE LATE
MORNING AND AFTERNOON. SURFACE HIGH PRESSURE OVER THE GREAT BASIN
WILL BRING PERIODS OF STRONGER AND GUSTY NORTHEAST WINDS ALONG AND
BELOW COASTAL MOUNTAIN SLOPES THROUGH TODAY ALONG  WITH LOWER
HUMIDITIES. WARMING WITH WEAKER WINDS FOR MONDAY AND  TUESDAY.
ANOTHER LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT  BASIN WILL
BRING COOLING AND STRONG GUSTY WEST WINDS FOR THE  MOUNTAINS AND
DESERTS FOR WEDNESDAY...FOLLOWED BY STRONG GUSTY  NORTHEAST WINDS
FOR THURSDAY...WEAKENING FRIDAY. DRY WITH WARMING  AND WEAKER WINDS
FOR NEXT WEEKEND.

$$

ECC035-180730-
MONTE VISTA ECC DISPATCH-
DISCUSSION FOR MONTE VISTA ECC DISPATCH
525 AM PST SUN DEC 17 2017

UPPER LEVEL LOW PRESSURE OVER NORTHWEST MEXICO WILL MOVE EASTWARD
TODAY WITH RESIDUAL MID LEVEL MOISTURE AND CLOUDS OVER THE MOUNTAINS
AND DESERTS OF SAN BERNARDINO...RIVERSIDE...AND SAN DIEGO COUNTIES
CONTINUING INTO THIS MORNING...THEN DECREASING DURING THE LATE
MORNING AND AFTERNOON. SURFACE HIGH PRESSURE OVER THE GREAT BASIN
WILL BRING PERIODS OF STRONGER AND GUSTY NORTHEAST WINDS ALONG AND
BELOW COASTAL MOUNTAIN SLOPES THROUGH TODAY ALONG  WITH LOWER
HUMIDITIES. WARMING WITH WEAKER WINDS FOR MONDAY AND  TUESDAY.
ANOTHER LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT  BASIN WILL
BRING COOLING AND STRONG GUSTY WEST WINDS FOR THE  MOUNTAINS AND
DESERTS FOR WEDNESDAY...FOLLOWED BY STRONG GUSTY  NORTHEAST WINDS
FOR THURSDAY...WEAKENING FRIDAY. DRY WITH WARMING  AND WEAKER WINDS
FOR NEXT WEEKEND.

$$

ECC034-180730-
RIVERSIDE ECC DISPATCH-
DISCUSSION FOR RIVERSIDE ECC DISPATCH
525 AM PST SUN DEC 17 2017

...DISCUSSION FROM LAXFWFSGX...

UPPER LEVEL LOW PRESSURE OVER NORTHWEST MEXICO WILL MOVE EASTWARD
TODAY WITH RESIDUAL MID LEVEL MOISTURE AND CLOUDS OVER THE MOUNTAINS
AND DESERTS OF SAN BERNARDINO...RIVERSIDE...AND SAN DIEGO COUNTIES
CONTINUING INTO THIS MORNING...THEN DECREASING DURING THE LATE
MORNING AND AFTERNOON. SURFACE HIGH PRESSURE OVER THE GREAT BASIN
WILL BRING PERIODS OF STRONGER AND GUSTY NORTHEAST WINDS ALONG AND
BELOW COASTAL MOUNTAIN SLOPES THROUGH TODAY ALONG  WITH LOWER
HUMIDITIES. WARMING WITH WEAKER WINDS FOR MONDAY AND  TUESDAY.
ANOTHER LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT  BASIN WILL
BRING COOLING AND STRONG GUSTY WEST WINDS FOR THE  MOUNTAINS AND
DESERTS FOR WEDNESDAY...FOLLOWED BY STRONG GUSTY  NORTHEAST WINDS
FOR THURSDAY...WEAKENING FRIDAY. DRY WITH WARMING  AND WEAKER WINDS
FOR NEXT WEEKEND.

...DISCUSSION FROM PHXFWFPSR...

POTENT BUT COMPACT UPPER LOW WILL CONTINUE TO SWING THROUGH ARIZONA
TODAY, SUPPORTING CLOUDS AND SCATTERED RAIN AND THUNDERSHOWERS
THROUGH THE DAY. PRECIP ACTIVITY WILL SLOWLY FOCUS ACROSS EASTERN AZ
LATER INTO THE DAY. DRY AND BREEZY CONDITIONS TO PERSIST ACROSS
WESTERN AZ AND SOUTHEAST CA, WITH DAYTIME HUMIDITIES RANGING 20 TO
30 PERCENT. BEST CHANCES FOR WETTING  RAINS LIE FROM MARICOPA COUNTY
EASTWARD WITH AREA SNOW LEVELS  RANGING 5500-6000FT TODAY.

...THUNDERSTORMS IMPLY GUSTY WINDS...

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


$$



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