252
FXUS65 KTWC 092127
AFDTWC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
227 PM MST TUE DEC 9 2025
SYNOPSIS
WARM AND DRY WEATHER PERSISTS OVER THE NEXT SEVEN DAYS
WITH ABOVE NORMAL TEMPERATURES EACH DAY.
DISCUSSION
OVERALL BENIGN AND NON-IMPACTFUL WEATHER IN THE
FORECAST OVER THE NEXT SEVEN DAYS. THIS IS THANKS TO THE AREA OF
HIGH PRESSURE CONTINUING TO BE THE DOMINATE FEATURE. HIGH
TEMPERATURES WILL SLOWLY WARM UP INTO LATE THIS WEEK, WITH THE
WARMEST DAYS THURSDAY AND FRIDAY REACHING NEAR TO RECORD BREAKING
TEMPERATURES, MORE IN THE CLIMATE SECTION BELOW.
AVIATION
VALID THROUGH 11/00Z.
SKC. SFC WINDS WLY/NWLY 8-12 KTS THRU 10/03Z THEN AGAIN AFT 10/18Z
THRU THE END OF THE PERIOD. OTHERWISE SFC WINDS REMAIN UNDER 10
KTS AND TERRAIN DRIVEN. AVIATION DISCUSSION NOT UPDATED FOR TAF
AMENDMENTS.
FIRE WEATHER.
DRY CONDITIONS ARE EXPECTED THE NEXT 7 DAYS. A
WARMING TREND CONTINUES THROUGH THE WEEK WHERE HIGH STARTING TODAY
WILL RUN 8 TO 15 DEGREES ABOVE NORMAL. 20-FOOT WINDS WILL
GENERALLY BE 15 MPH OR LESS AND TERRAIN DRIVEN THROUGHOUT THE
WEEK. MINIMUM RH VALUES IN THE VALLEYS AND MOUNTAINS 16-26 PERCENT
WITH GOOD OVERNIGHT RECOVERIES AT LEAST 35 PERCENT IN THE
MOUNTAINS AND OVER 45 PERCENT IN THE VALLEYS FOR THE WEEK.
CLIMATE
RECORD OR NEAR RECORD HIGH TEMPERATURES FOR DECEMBER 10-12
DATE DEC 10 DEC 11 DEC 12
FCST RCD/YR FCST RCD/YR FCST RCD/YR
TUCSON INTL AIRPORT 79 82/1950 80 83/1939 78 79/2004
AJO 79 84/1939 80 85/1950 80 83/1995
ORGAN PIPE CACTUS 81 83/2015 82 83/1995 82 83/2010
NBM PROBABILITIES TO TIE OR BREAK RECORD HIGHS FOR DECEMBER 10-12
DEC 10 DEC 11 DEC 12
TIE/BREAK TIE/BREAK TIE/BREAK
TUCSON INTL AIRPORT 0%/ 0% 0%/ 0% 50%/25%
AJO 3%/ 0% 0%/ 0% 3%/ 0%
ORGAN PIPE CACTUS 25%/14% 36%/21% 34%/20%
TWC WATCHES/WARNINGS/ADVISORIES
NONE.
TETRAULT
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