603
NGUS86 KRSA 311303
HCMRSA
HYDROMETEOROLOGICAL COORDINATION MESSAGE
NATIONAL WEATHER SERVICE / CALIFORNIA-NEVADA RFC / SACRAMENTO CA
605 AM PDT FRI JUL 31 2026
..DRY CONDITIONS WITH ABOVE NORMAL TEMPERATURES INTO NEXT WEEK
METEOROLOGICAL CONDITIONS (FRI AM - THU AM)
HIGH PRESSURE IS CENTERED OVER THE VICINITY OF THE 4-CORNERS REGION
AND HAS EXPANDED ITS REACH WESTWARD OVER CA AND NV THIS MORNING. AT
THE SAME TIME...GENERAL TROFFING EXISTS OVER THE NORTHEAST PACIFIC
EXTENDING FROM AN UPR LOW SPINNING NEAR 50N/140W. THROUGH THE
WEEKEND...THE AREA OF HIGH PRESSURE WILL STRENGTHEN AND REACH NEAR
6000-METERS AT 500-MB WHILE ALSO DRIFTING JUST A TAD TO THE WEST.
OVER THE NORTHEAST PACIFIC...THE OFFSHORE LOW PRESSURE SYSTEM WILL
ROTATE INLAND ACROSS BC AND THE PACIFIC NORTHWEST...WHICH MAY HELP
KEEP TEMPERATURES IN CHECK JUST A BIT OVER THE FAR NORTHERN PORTION
OF THE AREA ON SUNDAY AND MONDAY. THEN FOR MUCH OF NEXT WEEK...THE
AREA OF HIGH PRESSURE WILL CONTINUE TO MEANDER NEAR THE 4-CORNERS
REGION...WHILE A WEAKER DISTURBANCE MOVES TOWARD VANCOUVER ISLAND ON
WEDNESDAY. THIS S/WV TROF DOESN/T LOOK TO HAVE MUCH IMPACT ON THE
AREA. OVERALL...THROUGH THE UPCOMING WEEK...EXPECT TEMPERATURES TO
FLUCTUATE ANYWHERE FROM PLUS 5- TO PLUS 15-DEGF OVER SEASONAL
NORMALS...EXCEPT THE IMMEDIATE COAST WHERE MARINE INFLUENCES WILL
KEEP TEMPERATURES CLOSER TO AVERAGE FOR THIS TIME OF YEAR.
FREEZING LEVELS CURRENTLY RUNNING ANYWHERE FROM 15000-FEET NEAR
CRATER LAKE TO 18500-FEET NEAR POINT CONCEPTION WILL STAY IN THIS
GENERAL RANGE THROUGH MUCH OF THE UPCOMING WEEK.
PLEASE NOTE: THIS PRODUCT MAY NOT BE ROUTINELY UPDATED.
PLEASE REFER TO THE FOLLOWING PRODUCT ISSUED BY THE CNRFC
WWW.CNRFC.NOAA.GOV/DAILY-BRIEFING FOR A GRAPHICAL SUMMARY OF
WEATHER AND HYDROLOGIC CONDITIONS.
QPF GRAPHICS ARE AVAILABLE AT WWW.CNRFC.NOAA.GOV/QPF.PHP
*********************** CONTACT INFORMATION ************************
CNRFC OFFICE HOURS PHONE: 1 (916) 979-3056 EXTENSION 338
AFTER-HOURS CALLING SERVICE: 1 (800) 218-0858
LEAVE NAME...OFFICE...AND PHONE NUMBER
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