National Weather Service Text Product
AFOS product AFDPSR
Dates interpreted at 00:00 UTC Found 2 products at the given pil and timestamp. Scroll down to see them all.
Displaying AFOS PIL: AFDPSR
Product Timestamp: 1999-03-02 04:10 UTC
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999 FXUS65 KPSR 020413 AFDPSR SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 910 PM MST MON MAR 1 1999 .SYNOPSIS... HIGH PRESSURE ALOFT OVER THE REGION WILL CONTINUE TO MOVE TO THE EAST WHILE BEING WEAKENED BY WEATHER DISTURBANCES MOVING THROUGH THE GREAT BASIN AND THE PACIFIC NORTHWEST STATES. THIS WILL RESULT IN GRADUALLY LOWERING PRESSURE ALOFT OVER THE REGION...BRINGING GRADUAL DAY-TO-DAY COOLING BEGINNING TUESDAY. HOWEVER...TEMPERATURES SHOULD STILL REMAIN ABOVE NORMAL INTO THE WEEKEND. MOREOVER...WEAK UPPER-AIR DISTURBANCES MOVING ACROSS THE REGION FROM TIME TO TIME WILL BRING LOCAL AFTERNOON BREEZINESS THURSDAY AND FRIDAY. THE WIND IS EXPECTED TO INCREASE OVER THE WEEKEND AS LOWER PRESSURE APPROACHING THE STATE INTENSIFIES. .DISCUSSION... FAST-MOVING VORTICITY MAX ANALYZED OVER NRN AZ AT 00Z WITH NGM HAVING PRIMARY CENTER NEAR WILLIAMS. CIFM CLDS AT OR ABOVE 20K FT ALREADY SPREADING ACROSS NM. WATER VAPOR IMAGERY INDICATED STRONG DRYING THROUGHOUT UPPER LEVELS...AND ONLY SIGNIFICANT MSTR REMAINING SOUTH OF A YUMA-TUCSON LINE AT 03Z. SHORT TERM FCSTS IN GOOD SHAPE SO UPDATES NOT NECESSARY. MAX TEMPS MORE LIKE MID APRIL IN PHX. MODELS NOT DIFFERING TOO MUCH ON MAJOR FEATURES THIS EVE. NGM AND ETA VERY CLOSE ON 500MB PATTERN BUT DIFFERENCES REALLY APPARENT AFT TUESDAY PM. IN FACT ETA BRINGS THE PACIFIC LOW ONSHORE FARTHER SOUTH THAN NGM AND RESULTING 700MB HEIGHTS LOWER ACROSS AZ. IN ANY CASE WILL EXPECT MAX TEMPS TO PEAK ON TUESDAY WITH A RETURN TO MORE SEASONABLE READINGS BY SAT. SIPPLE
000 TTAA00 KPHX 020413 SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 910 PM MST MON MAR 1 1999 .SYNOPSIS... HIGH PRESSURE ALOFT OVER THE REGION WILL CONTINUE TO MOVE TO THE EAST WHILE BEING WEAKENED BY WEATHER DISTURBANCES MOVING THROUGH THE GREAT BASIN AND THE PACIFIC NORTHWEST STATES. THIS WILL RESULT IN GRADUALLY LOWERING PRESSURE ALOFT OVER THE REGION...BRINGING GRADUAL DAY-TO-DAY COOLING BEGINNING TUESDAY. HOWEVER...TEMPERATURES SHOULD STILL REMAIN ABOVE NORMAL INTO THE WEEKEND. MOREOVER...WEAK UPPER-AIR DISTURBANCES MOVING ACROSS THE REGION FROM TIME TO TIME WILL BRING LOCAL AFTERNOON BREEZINESS THURSDAY AND FRIDAY. THE WIND IS EXPECTED TO INCREASE OVER THE WEEKEND AS LOWER PRESSURE APPROACHING THE STATE INTENSIFIES. .DISCUSSION... FAST-MOVING VORTICITY MAX ANALYZED OVER NRN AZ AT 00Z WITH NGM HAVING PRIMARY CENTER NEAR WILLIAMS. CIFM CLDS AT OR ABOVE 20K FT ALREADY SPREADING ACROSS NM. WATER VAPOR IMAGERY INDICATED STRONG DRYING THROUGHOUT UPPER LEVELS...AND ONLY SIGNIFICANT MSTR REMAINING SOUTH OF A YUMA-TUCSON LINE AT 03Z. SHORT TERM FCSTS IN GOOD SHAPE SO UPDATES NOT NECESSARY. MAX TEMPS MORE LIKE MID APRIL IN PHX. MODELS NOT DIFFERING TOO MUCH ON MAJOR FEATURES THIS EVE. NGM AND ETA VERY CLOSE ON 500MB PATTERN BUT DIFFERENCES REALLY APPARENT AFT TUESDAY PM. IN FACT ETA BRINGS THE PACIFIC LOW ONSHORE FARTHER SOUTH THAN NGM AND RESULTING 700MB HEIGHTS LOWER ACROSS AZ. IN ANY BCASE WILL EXPECT MAX TEMPS TO PEAK ON TUESDAY WITH A RETURN TO MORE SEASONABLE READINGS BY SAT. SIPPLE