Heat Advisory 21, NWS Phoenix, AZ

000 
WWUS75 KPSR 281113
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
413 AM MST TUE AUG 28 2007

AZZ022-023-027-028-282300-
/O.CON.KPSR.HT.Y.0021.070828T1700Z-070829T0300Z/
/O.CON.KPSR.HT.Y.0022.070829T1700Z-070830T0300Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...LAKE PLEASANT...MORRISTOWN...
NEW RIVER...TONOPAH...BUCKEYE...WICKENBURG...CAREFREE...
CAVE CREEK...CHANDLER...FOUNTAIN HILLS...GILBERT...GLENDALE...
MESA...PEORIA...PHOENIX...SCOTTSDALE...SUN CITY...TEMPE...
GILA BEND...APACHE JUNCTION...CASA GRANDE...COOLIDGE...FLORENCE
413 AM MST TUE AUG 28 2007

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM MST THIS EVENING FOR NORTHWEST AND NORTH-CENTRAL PINAL
COUNTY AND MARICOPA COUNTY DESERT AREAS INCLUDING THE GREATER
PHOENIX AREA...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM MST
WEDNESDAY...

STRONG HIGH PRESSURE ALOFT WILL CONTINUE BUILDING OVER ARIZONA
RESULTING IN HOTTER WEATHER TODAY...AND SLIGHTLY HOTTER WEATHER
WEDNESDAY. SOME FORECAST HIGHS FOR TODAY ARE 110 AT SKY HARBOR
AIRPORT IN PHOENIX...111 AT GILA BEND...AND 108 AT COOLIDGE. IT IS
EXPECTED TO BE ANOTHER DEGREE OR SO HOTTER WEDNESDAY AS TEMPERATURES
CLIMB TO NEAR RECORD HIGH LEVELS.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.

DURING PROLONGED PERIODS OF HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

$$

MEYERS

000 
WWUS75 KPSR 281151 CCA
NPWPSR

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE PHOENIX AZ
443 AM MST TUE AUG 28 2007

AZZ022-023-027-028-282345-
/O.COR.KPSR.HT.Y.0021.070828T1700Z-070829T0300Z/
/O.COR.KPSR.HT.Y.0022.070829T1700Z-070830T0300Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...LAKE PLEASANT...MORRISTOWN...
NEW RIVER...TONOPAH...BUCKEYE...WICKENBURG...CAREFREE...
CAVE CREEK...CHANDLER...FOUNTAIN HILLS...GILBERT...GLENDALE...
MESA...PEORIA...PHOENIX...SCOTTSDALE...SUN CITY...TEMPE...
GILA BEND...APACHE JUNCTION...CASA GRANDE...COOLIDGE...FLORENCE
443 AM MST TUE AUG 28 2007

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM MST THIS EVENING FOR NORTHWEST AND NORTH-CENTRAL PINAL
COUNTY AND MARICOPA COUNTY DESERT AREAS INCLUDING THE GREATER
PHOENIX AREA...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM MST
WEDNESDAY...

A HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
MST THIS EVENING. A HEAT ADVISORY ALSO REMAINS IN EFFECT FROM 10 AM
TO 8 PM MST WEDNESDAY.

STRONG HIGH PRESSURE ALOFT WILL CONTINUE BUILDING OVER ARIZONA
RESULTING IN HOTTER WEATHER TODAY...AND SLIGHTLY HOTTER WEATHER
WEDNESDAY. SOME FORECAST HIGHS FOR TODAY ARE 110 AT SKY HARBOR
AIRPORT IN PHOENIX...111 AT GILA BEND...AND 108 AT COOLIDGE. IT IS
EXPECTED TO BE ANOTHER DEGREE OR SO HOTTER WEDNESDAY AS TEMPERATURES
CLIMB TO NEAR RECORD HIGH LEVELS.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.

DURING PROLONGED PERIODS OF HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

$$

MEYERS

000 
WWUS75 KPSR 282153
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
253 PM MST TUE AUG 28 2007

AZZ020-021-025-026-CAZ031>033-291200-
/O.EXA.KPSR.HT.Y.0021.000000T0000Z-070829T0300Z/
/O.EXA.KPSR.HT.Y.0022.070829T1700Z-070830T0300Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...BOUSE...
QUARTZSITE...SALOME...SAN LUIS...SOMERTON...YUMA...
FORTUNA FOOTHILLS...DATELAND...TACNA...WELLTON...BLYTHE...
CHIRIACO SUMMIT...DESERT CENTER...EAGLE MTN...MIDLAND...BRAWLEY...
CALEXICO...EL CENTRO...GLAMIS...IMPERIAL...AND THE SALTON SEA
253 PM MST TUE AUG 28 2007 /253 PM PDT TUE AUG 28 2007/

...HEAT ADVISORY IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THIS
EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM MST /10 AM PDT/ TO 8 PM MST
/8 PM PDT/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A HEAT ADVISORY
FOR YUMA COUNTY...LA PAZ COUNTY...IMPERIAL COUNTY...AND EASTERN
RIVERSIDE COUNTY INCLUDING YUMA AND THE EL CENTRO/IMPERIAL AREAS.
THE HEAT ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING AND AGAIN
FROM 10 AM TO 8 PM WEDNESDAY.

STRONG HIGH PRESSURE ALOFT WILL CONTINUE BUILDING OVER ARIZONA
RESULTING IN HOT WEATHER INTO THIS EVENING AND AGAIN WEDNESDAY.
SOME FORECAST HIGHS FOR WEDNESDAY INCLUDE 112 AT YUMA...114 IN THE
EL CENTRO/IMPERIAL AREA...113 AT BLYTHE AND TACNA...AND 112 AT
BOUSE.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.

DURING PROLONGED PERIODS OF HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

$$

AZZ022-023-027-028-291200-
/O.CON.KPSR.HT.Y.0021.000000T0000Z-070829T0300Z/
/O.CON.KPSR.HT.Y.0022.070829T1700Z-070830T0300Z/
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
INCLUDING THE CITIES OF...LAKE PLEASANT...MORRISTOWN...
NEW RIVER...TONOPAH...BUCKEYE...WICKENBURG...CAREFREE...
CAVE CREEK...CHANDLER...FOUNTAIN HILLS...GILBERT...GLENDALE...
MESA...PEORIA...PHOENIX...SCOTTSDALE...SUN CITY...TEMPE...
GILA BEND...APACHE JUNCTION...CASA GRANDE...COOLIDGE...FLORENCE
253 PM MST TUE AUG 28 2007

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM MST
WEDNESDAY...

A HEAT ADVISORY REMAINS IN EFFECT FOR NORTHWEST AND NORTH-CENTRAL
PINAL COUNTY AND MARICOPA COUNTY DESERT AREAS INCLUDING THE GREATER
PHOENIX AREA UNTIL 8 PM THIS EVENING AND AGAIN FROM 10 AM TO 8 PM
WEDNESDAY.

STRONG HIGH PRESSURE ALOFT WILL CONTINUE BUILDING OVER ARIZONA
RESULTING IN HOT WEATHER INTO THIS EVENING AND AGAIN WEDNESDAY. SOME
FORECAST HIGHS FOR WEDNESDAY INCLUDE 111 AT SKY HARBOR AIRPORT IN
PHOENIX...112 AT GILA BEND...AND 109 AT COOLIDGE.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.

DURING PROLONGED PERIODS OF HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

$$

ELLIS

000 
WWUS75 KPSR 290306
NPWPSR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
806 PM MST TUE AUG 28 2007

AZZ020>023-025>028-CAZ031>033-291515-
/O.EXP.KPSR.HT.Y.0021.000000T0000Z-070829T0300Z/
/O.CON.KPSR.HT.Y.0022.070829T1700Z-070830T0300Z/
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...BOUSE...
QUARTZSITE...SALOME...LAKE PLEASANT...MORRISTOWN...NEW RIVER...
TONOPAH...BUCKEYE...WICKENBURG...CAREFREE...CAVE CREEK...
CHANDLER...FOUNTAIN HILLS...GILBERT...GLENDALE...MESA...PEORIA...
PHOENIX...SCOTTSDALE...SUN CITY...TEMPE...SAN LUIS...SOMERTON...
YUMA...FORTUNA FOOTHILLS...DATELAND...TACNA...WELLTON...
GILA BEND...APACHE JUNCTION...CASA GRANDE...COOLIDGE...FLORENCE...
BLYTHE...CHIRIACO SUMMIT...DESERT CENTER...EAGLE MTN...MIDLAND...
BRAWLEY...CALEXICO...EL CENTRO...GLAMIS...IMPERIAL...
AND THE SALTON SEA
806 PM MST TUE AUG 28 2007 /806 PM PDT TUE AUG 28 2007/

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ TO
8 PM MST /8 PM PDT/ WEDNESDAY...
...HEAT ADVISORY WILL EXPIRE AT 8 PM MST /8 PM PDT/ THIS
EVENING...

THE HEAT ADVISORY FOR YUMA COUNTY...LA PAZ COUNTY...IMPERIAL COUNTY
...EASTERN RIVERSIDE COUNTY...PORTIONS OF NORTHERN PINAL COUNTY...AND
ALL OF MARICOPA COUNTY...INCLUDING THE GREATER PHOENIX...YUMA AND THE
EL CENTRO/IMPERIAL AREAS...WILL EXPIRE AT 8 PM MST /8 PM PDT/ THIS
EVENING. A HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
TO 8 PM MST /8 PM PDT/ WEDNESDAY.

STRONG HIGH PRESSURE ALOFT WILL CONTINUE OVER ARIZONA RESULTING IN
HOT WEATHER AGAIN WEDNESDAY. SOME FORECAST HIGHS FOR WEDNESDAY
INCLUDE 111 AT SKY HARBOR AIRPORT IN PHOENIX...112 AT GILA BEND...109
AT COOLIDGE...112 AT YUMA...114 IN THE EL CENTRO/IMPERIAL AREA...113
AT BLYTHE AND TACNA...AND 112 AT BOUSE.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.

DURING PROLONGED PERIODS OF HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

$$
LW

AZZ020>028-CAZ030>033-280600-

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE PHOENIX AZ
315 PM MST MON AUG 27 2007

.SYNOPSIS...
STRONG HIGH PRESSURE ALOFT BUILDING OVER THE SOUTHWESTERN UNITED
STATES WILL RESULT IN HOTTER WEATHER TUESDAY AND SLIGHTLY HOTTER
WEATHER WEDNESDAY...THEN LITTLE CHANGE IS EXPECTED THURSDAY. IT WILL
ALSO BE DRIER TUESDAY WITH LITTLE DAY TO DAY CHANGE WEDNESDAY AND
THURSDAY. THIS IS EXPECTED TO KEEP THE POSSIBILITY OF AFTERNOON AND
EVENING THUNDERSTORMS CONFINED TO MAINLY THE HIGHER TERRAIN OF
SOUTH-CENTRAL ARIZONA THROUGH THURSDAY. SOME MOISTURE IS EXPECTED TO
RETURN FOR A SLIGHT CHANCE OF MAINLY LATE AFTERNOON AND EVENING
SHOWERS AND THUNDERSTORMS FRIDAY THROUGH THE LABOR DAY HOLIDAY
WEEKEND.

&&

.SHORT TERM...
TONIGHT THROUGH THURSDAY...
THERE WERE CLOUD BUILDUPS WITH ISOLATED SHOWERS AND THUNDERSTORMS
OVER NORTHWEST MARICOPA COUNTY AND SOUTHERN GILA COUNTY. OTHERWISE...
SKIES WERE MOSTLY SUNNY WITH SOME CUMULUS CLOUDS TODAY...EXCEPT IT
WAS ALMOST COMPLETELY CLEAR AND SUNNY ALONG THE LOWER COLORADO RIVER
VALLEY...AND IN IMPERIAL AND EASTERN RIVERSIDE COUNTIES.

TEMPERATURES WERE GENERALLY 4 TO 7 DEGREES WARMER TODAY. IT WAS ALSO
DRIER WITH DEW POINT TEMPERATURES 2 TO 6 DEGREES GENERALLY 2 TO 4
DEGREES LOWER IN THE SOUTH-CENTRAL ARIZONA DESERT AREAS INCLUDING
THE GREATER PHOENIX AREA...AND 6 TO 10 DEGREES LOWER IN SOUTHWEST
ARIZONA AND SOUTHEAST CALIFORNIA WITH LITTLE CHANGE IN THE HIGHER
TERRAIN EAST OF THE GREATER PHOENIX AREA. WIND WAS GENERALLY FROM
THE SOUTHWEST AND WEST 10 TO 20 MPH IN SOUTH-CENTRAL ARIZONA
INCLUDING THE GREATER PHOENIX AREA...AND 5 TO 15 MPH IN SOUTHWEST
ARIZONA AND SOUTHEAST CALIFORNIA WITH SOME HIGHER GUSTS EARLY THIS
AFTERNOON.

STRONG HIGH PRESSURE ALOFT THAT HAS BEEN CENTERED EAST OF ARIZONA
WILL BE IN TRANSITION TUESDAY AND BECOME REESTABLISHED OVER ARIZONA
WEDNESDAY. THIS SYSTEM WILL RESULT IN HOTTER WEATHER TUESDAY AND
SLIGHTLY HOTTER WEATHER WEDNESDAY.

A HEAT ADVISORY HAS BEEN ISSUED FOR NORTHWEST AND NORTH-CENTRAL
PINAL COUNTY AND MARICOPA COUNTY DESERT AREAS INCLUDING THE GREATER
PHOENIX AREA FROM 10 AM TO 8 PM MST BOTH TUESDAY AND WEDNESDAY.
TEMPERATURES ARE EXPECTED TO GET CLOSE TO EXCESSIVE HEAT WARNING
CRITERIA AND NEAR RECORD HIGHS WEDNESDAY AS TEMPERATURES REACH THEIR
PEAK. SEE CLIMATE SECTION BELOW.

THE AIRMASS IS ALREADY SHOWING DRYING AND IT WILL CONTINUE TO GET
DRIER TUESDAY WITH LITTLE CHANGE WEDNESDAY AND THURSDAY. THIS IS
EXPECTED TO KEEP THE POSSIBILITY OF AFTERNOON AND EVENING
THUNDERSTORMS CONFINED TO MAINLY THE HIGHER TERRAIN OF SOUTH-CENTRAL
ARIZONA THROUGH THURSDAY.

&&

.LONG TERM...
THURSDAY NIGHT THROUGH LABOR DAY...
THE STRONG HIGH PRESSURE SYSTEM IS EXPECTED TO BECOME CENTERED OVER
SOUTHERN NEVADA AND UTAH FRIDAY AND THE LABOR DAY HOLIDAY WEEKEND
WITH A FLOW ALOFT FROM THE NORTHEAST AND EAST BRINGING A RETURN OF
SOME MOISTURE AT LEAST AS FAR WEST AS THE SOUTH-CENTRAL ARIZONA
DESERT AREAS INCLUDING THE GREATER PHOENIX AREAS. THUS...A SLIGHT
CHANCE OF MAINLY LATE AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS CAN BE EXPECTED TO RETURN AT LEAST AS FAR WEST AS THE
DESERT AREAS OF SOUTH-CENTRAL ARIZONA INCLUDING THE GREATER PHOENIX
AREA FRIDAY OVER THE LABOR DAY HOLIDAY WEEKEND. LATER SHIFTS MAY
EVEN WANT TO EXTEND THIS SLIGHT CHANCE FARTHER WEST ACROSS SOUTHWEST
ARIZONA AND SOUTHEAST CALIFORNIA. TEMPERATURES ARE EXPECTED TO DROP
SOMEWHAT EACH DAY WITH THE RETURN OF THE MOISTURE.

&&

.AVIATION...
AUGUST 27 1950 UTC (AUGUST 27 1250 MST)

SUFFICIENT MOISTURE AND INSTABILITY FOR ISOLATED THUNDERSTORM
DEVELOPMENT TODAY OVER THE LOWER ELEVATIONS AND MORE NUMEROUS OVER
THE HIGHER TERRAIN...MAINLY ARIZONA PORTIONS. LOWER ELEVATION
LOCATIONS MOST LIKELY TO SEE STORMS WILL BE NORTHWEST MARICOPA
COUNTY AND NORTHEAST LA PAZ. SOUTHWESTERLY STEERING FLOW TENDS NOT
TO BE FAVORABLE FOR STORMS REACHING THE PHOENIX METRO AREA...AND
THUS HELD OFF ON INDICATING STORMS AFFECTING KPHX OR KIWA. BUT
CUMULUS DEVELOPMENT OVER THE MOUNTAINS SOUTHEAST OF GILA BEND WILL
NEED TO WATCHED TO SEE IF THEY BECOME CUMULONIMBUS WHICH THEN HEAD
NORTHEASTWARD TOWARD PORTIONS OF THE PHOENIX AREA. KIPL...KBLH...AND
KYUM ARE EVEN LESS LIKELY TO HAVE STORMS.

SEE TAFS PHXTAFPHX...PHXTAFIWA...PHXTAFYUM...LAXTAFBLH AND LAXTAFIPL
FOR MORE DETAILED INFORMATION.

AVIATION DISCUSSION IS NOT UPDATED FOR AMENDED TAFS.

&&

.FIRE WEATHER...
AUGUST 27 2205 UTC (AUGUST 27 1505 MST)

TEMPERATURES WILL CONTINUE TO RISE TUESDAY WITH SLIGHT ADDITIONAL
WARMING WEDNESDAY...LEVELING OFF THURSDAY...BEFORE GRADUALLY
DECREASING INTO EARLY NEXT WEEK. TEMPERATURES WILL CLIMB WELL ABOVE
NORMAL AND MAY FLIRT WITH RECORDS IN SOME SPOTS WEDNESDAY AND
THURSDAY. CONVERSELY...HUMIDITIES WILL DECREASE TUESDAY AND
WEDNESDAY...LEVELING OFF THURSDAY...THEN GRADUALLY INCREASING INTO
NEXT WEEK. AFTER TONIGHT...STORM CHANCES WILL BE CONFINED TO THE
HIGHER TERRAIN OF SOUTH-CENTRAL ARIZONA THROUGH THURSDAY BEFORE
EXPANDING INTO THE LOWER ELEVATIONS OF SOUTH-CENTRAL ARIZONA FRIDAY
INTO NEXT WEEK. APART FROM GUSTINESS ASSOCIATED WITH THUNDERSTORMS...
NO STRONG SUSTAINED WINDS ARE ANTICIPATED THIS WEEK.

&&

.CLIMATE...

PHOENIX    FORECAST   AVERAGE   RECORD   YEAR
             HIGH      HIGH      HIGH

TUESDAY...    110       103       113    1998 AND TIED IN 2005

WEDNESDAY...  111       103       113    1948 AND TIED IN 1981

&&

.PSR WATCHES/WARNINGS/ADVISORIES...

AZ...HEAT ADVISORY FOR NORTHWEST AND NORTH-CENTRAL PINAL COUNTY AND
     MARICOPA COUNTY DESERT AREAS INCLUDING THE GREATER PHOENIX AREA
     FROM 10 AM TO 8 PM MST BOTH TUESDAY AND WEDNESDAY.

CA...NONE.

&&

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

SHORT TERM...ELLIS
LONG TERM...ELLIS
AVIATION...AJ
FIRE WX...AJ