Area Forecast Discussion
Issued by NWS Tucson, AZ

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FXUS65 KTWC 010417
AFDTWC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
915 PM MST TUE SEP 30 2014

.SYNOPSIS...DRY CONDITIONS WILL PREVAIL INTO THIS WEEKEND. A GRADUAL
WARMING TREND WILL OCCUR ESPECIALLY DURING THE LATTER PART OF THE
WEEK AS HIGH PRESSURE ALOFT BUILDS OVER THE AREA.

&&

.DISCUSSION...04Z IR IMAGERY SHOWING CLEAR SKIES OVER SERN AZ THIS
EVENING. VERY PLEASANT WITH SFC TEMPS MAINLY IN THE 60S AND 70S.
MUCH DRIER AS WELL WITH DEWPOINTS SITTING COMFORTABLY IN THE UPPER
20S TO LOWER 40S ACROSS THE CWA. LIGHT WINDS SHOULD PREVAIL TONIGHT
ALLOWING FOR IDEAL RADIATIONAL COOLING CONDITIONS TO OCCUR. WOULD
NOT BE SURPRISED IF KTUS DIPPED BELOW THE 60 DEGREE MARK AGAIN
TOMORROW MORNING. CURRENT FORECAST LOOKS TO BE ON TRACK WITH THE
LATEST TRENDS AND NO UPDATES ARE ANTICIPATED. PLEASE SEE THE
PREVIOUS DISCUSSION BELOW FOR MORE INFORMATION ON THE FORECAST PAST
THIS EVENING.

&&

AVIATION...VALID THRU 02/06Z.
EXPECT CLEAR SKIES THROUGH WEDNESDAY. SURFACE WIND WILL BE MAINLY
LESS THAN 10 KTS TONIGHT THROUGH EARLY WEDNESDAY AT ALL TERMINALS.
SFC WINDS WEDNESDAY AFTERNOON AGAIN RANGING FROM 10-15 KTS WITH
OCCASIONAL GUSTS TO AROUND 20 KTS...AND DIMINISHING AFTER
SUNSET. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...DRY CONDITIONS WILL PREVAIL THROUGH EARLY NEXT WEEK.
DAYTIME MINIMUM RELATIVE HUMIDITIES WILL LOWER THIS WEEK AS DRIER
AIR MOVES INTO THE REGION. HOWEVER...GOOD OVERNIGHT RH RECOVERIES
ARE EXPECTED. 20-FOOT WINDS WILL BE LESS THAN 15 MPH THROUGH
THURSDAY. LOCALLY GUSTY EAST WINDS MAY OCCUR FRIDAY.

&&

.PREV DISCUSSION...ANOTHER SYSTEM EXPECTED TO BRUSH THROUGH NORTHERN
ARIZONA EARLY WEDNESDAY... THEN SWING THROUGH THE EASTERN PART OF
THE STATE LATE WEDNESDAY OR EARLY THURSDAY...BUT NO PRECIPITATION
WITH THAT SYSTEM.

STRONG RIDGING WILL BUILD IN BEHIND THIS WEAKER SYSTEM FOR AN
INCREASE IN HIGH TEMPERATURES...MAINLY FRIDAY AND SATURDAY...BEFORE
FALLING BACK A FEW DEGREES EARLY NEXT WEEK. A DRY FORECAST
ANTICIPATED THROUGH THE ENTIRE FORECAST PERIOD. HOWEVER...SOME
HIGHER MOISTURE IS INDICATED BY THE MODELS TO BE JUST TO OUR SOUTH
LATE THIS WEEKEND AND EARLY NEXT WEEK.

HIGH TEMPERATURES EXPECTED TO BE NEAR NORMAL WEDNESDAY AND
THURSDAY...THEN 3 TO 5 DEGS ABOVE NORMAL THEREAFTER. LOWS AROUND 3
TO 5 DEGS BELOW NORMAL TONIGHT/EARLY WEDNESDAY...THEN NEAR NORMAL
THURSDAY AND FRIDAY MORNINGS...FOLLOWED BY 2 TO 4 DEGS ABOVE NORMAL
THROUGH TUESDAY.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE.


&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.