383
FNUS86 KSGX 051111
FWLSGX

ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
411 AM PDT FRI JUL 5 2024

ECC033-060515-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
411 AM PDT FRI JUL 5 2024


A LONG-DURATION HEAT WAVE WILL CONTINUE INTO NEXT WEEK, WHERE THE
PEAK OF THE HEAT WILL OCCUR TODAY AND SATURDAY FOR MANY. HIGHS WILL
RANGE FROM NEAR 5 DEGREES ABOVE NORMAL NEAR THE COAST WITH UP TO
15 DEGREES ABOVE NORMAL FOR AREAS FURTHER INLAND. THIS AFTERNOON
WILL BE THE DRIEST THROUGH THE WEEKEND WITH SINGLE DIGIT RELATIVE
HUMIDITY READING FROM THE DESERTS UP ONTO THE DESERT SLOPES;
10-15 PERCENT READINGS WILL OCCUR FOR MOST MOUNTAIN AREAS INTO THE
INLAND EMPIRE.

MOISTURE FROM THE GULF OF CALIFORNIA IS EXPECTED TO MAKE IT INTO THE
LOW DESERTS EACH MORNING THROUGH AT LEAST SATURDAY, INCREASING DEW
POINTS AND POTENTIALLY KEEPING MINIMUM RELATIVE HUMIDITY VALUES FROM
FALLING AS LOW AS FORECAST. INCREASING ONSHORE FLOW WILL INCREASE
RELATIVE HUMIDITY VALUES BY SATURDAY AND SUNDAY SLIGHTLY ALONG WITH
GUSTIER WINDS FOR MOUNTAIN PASSES AND DESERTS WITH GUSTS NEAR 20-30
MPH AT TIMES. WARM WEATHER WILL CONTINUE INTO MUCH OF NEXT WEEK AWAY
FROM THE IMMEDIATE COAST.


$$

ECC035-060515-
MONTE VISTA ECC DISPATCH-
411 AM PDT FRI JUL 5 2024


A LONG-DURATION HEAT WAVE WILL CONTINUE INTO NEXT WEEK, WHERE THE
PEAK OF THE HEAT WILL OCCUR TODAY AND SATURDAY FOR MANY. HIGHS WILL
RANGE FROM NEAR 5 DEGREES ABOVE NORMAL NEAR THE COAST WITH UP TO
15 DEGREES ABOVE NORMAL FOR AREAS FURTHER INLAND. THIS AFTERNOON
WILL BE THE DRIEST THROUGH THE WEEKEND WITH SINGLE DIGIT RELATIVE
HUMIDITY READING FROM THE DESERTS UP ONTO THE DESERT SLOPES;
10-15 PERCENT READINGS WILL OCCUR FOR MOST MOUNTAIN AREAS INTO THE
INLAND EMPIRE.

MOISTURE FROM THE GULF OF CALIFORNIA IS EXPECTED TO MAKE IT INTO THE
LOW DESERTS EACH MORNING THROUGH AT LEAST SATURDAY, INCREASING DEW
POINTS AND POTENTIALLY KEEPING MINIMUM RELATIVE HUMIDITY VALUES FROM
FALLING AS LOW AS FORECAST. INCREASING ONSHORE FLOW WILL INCREASE
RELATIVE HUMIDITY VALUES BY SATURDAY AND SUNDAY SLIGHTLY ALONG WITH
GUSTIER WINDS FOR MOUNTAIN PASSES AND DESERTS WITH GUSTS NEAR 20-30
MPH AT TIMES. WARM WEATHER WILL CONTINUE INTO MUCH OF NEXT WEEK AWAY
FROM THE IMMEDIATE COAST.


$$

ECC034-060515-
RIVERSIDE ECC DISPATCH-
411 AM PDT FRI JUL 5 2024

...DISCUSSION FROM LAXFWFSGX...


A LONG-DURATION HEAT WAVE WILL CONTINUE INTO NEXT WEEK, WHERE THE
PEAK OF THE HEAT WILL OCCUR TODAY AND SATURDAY FOR MANY. HIGHS WILL
RANGE FROM NEAR 5 DEGREES ABOVE NORMAL NEAR THE COAST WITH UP TO
15 DEGREES ABOVE NORMAL FOR AREAS FURTHER INLAND. THIS AFTERNOON
WILL BE THE DRIEST THROUGH THE WEEKEND WITH SINGLE DIGIT RELATIVE
HUMIDITY READING FROM THE DESERTS UP ONTO THE DESERT SLOPES;
10-15 PERCENT READINGS WILL OCCUR FOR MOST MOUNTAIN AREAS INTO THE
INLAND EMPIRE.

MOISTURE FROM THE GULF OF CALIFORNIA IS EXPECTED TO MAKE IT INTO THE
LOW DESERTS EACH MORNING THROUGH AT LEAST SATURDAY, INCREASING DEW
POINTS AND POTENTIALLY KEEPING MINIMUM RELATIVE HUMIDITY VALUES FROM
FALLING AS LOW AS FORECAST. INCREASING ONSHORE FLOW WILL INCREASE
RELATIVE HUMIDITY VALUES BY SATURDAY AND SUNDAY SLIGHTLY ALONG WITH
GUSTIER WINDS FOR MOUNTAIN PASSES AND DESERTS WITH GUSTS NEAR 20-30
MPH AT TIMES. WARM WEATHER WILL CONTINUE INTO MUCH OF NEXT WEEK AWAY
FROM THE IMMEDIATE COAST.


...DISCUSSION FROM PHXFWFPSR...


HOT AND DRY CONDITIONS WILL PERSIST THROUGH THIS WEEKEND. STRONG
HIGH PRESSURE WILL LEAD TO EXTREME TEMPERATURES, WITH LOWER DESERT
HIGHS REACHING 112-120 DEGREES UNDER SUNNY SKIES. MINIMUM RH VALUES
WILL FALL BETWEEN 3-15% EACH AFTERNOON WITH AN OVERNIGHT RECOVERY TO
25-35% IN SOUTH-CENTRAL AZ AND 30-50% IN MOST AREAS OF SOUTHWEST AZ
AND SOUTHEAST CA. WINDS WILL REMAIN FAIRLY LIGHT AND FOLLOW TYPICAL
DIURNAL AND TERRAIN PATTERNS. AFTERNOON GUSTS MAY REACH UP TO
20-25 MPH AT TIMES AND THE ENVIRONMENT WILL BE FAVORABLE FOR DUST
DEVILS. THE HOT AND DRY CONDITIONS WILL RESULT IN INCREASED FIRE
DANGER.

...THUNDERSTORMS IMPLY GUSTY WINDS...

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


$$