Red Flag Warning 10, NWS Tucson, AZ

454 
WWUS85 KTWC 181035
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
335 AM MST MON APR 18 2011

..RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST THIS MORNING TO
7 PM MST THIS EVENING FOR GREENLEE...GRAHAM...COCHISE...SANTA CRUZ
AND EASTERN PIMA COUNTIES DUE TO STRONG AND GUSTY SOUTHWEST TO
WEST WINDS...LOW RELATIVE HUMIDITIES...AND A HIGH TO VERY HIGH
FIRE DANGER RATING...

AZZ146-148-182200-
/O.CON.KTWC.FW.W.0010.110418T1800Z-110419T0200Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
335 AM MST MON APR 18 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST THIS MORNING TO
7 PM MST THIS EVENING FOR GREENLEE...GRAHAM...COCHISE...SANTA CRUZ
AND EASTERN PIMA COUNTIES...

* AFFECTED AREA...A RED FLAG WARNING REMAINS IN EFFECT FOR
  GREENLEE...GRAHAM...COCHISE...SANTA CRUZ AND EASTERN PIMA
  COUNTIES.

 * TIMING...WINDS WILL BE ON THE INCREASE DURING THE MORNING HOURS
   AND WILL BECOME STRONG AND GUSTY BY LATE MORNING...WITH THE
   STRONG AND GUSTY WINDS CONTINUING INTO THE EARLY EVENING HOURS
   TONIGHT.

 * WINDS...SUSTAINED 20-FOOT SOUTHWEST TO WEST WINDS OF 15 TO 30 MPH
   WITH GUSTS TO 45 MPH ARE EXPECTED.

 * RELATIVE HUMIDITY...THE MINIMUM RELATIVE HUMIDITIES ARE FORECAST
   TO FALL INTO THE SINGLE DIGITS TO MIDDLE TEENS.

 * IMPACTS...THE STRONG WINDS...LOW RELATIVE HUMIDITIES AND HIGH TO
   VERY HIGH FIRE DANGER RATING WILL COMBINE TO CREATE CRITICAL
   FIRE WEATHER CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG 
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD
OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA.

&&

$$

850 
WWUS85 KTWC 182122
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
222 PM MST MON APR 18 2011

..RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR GREENLEE...GRAHAM...COCHISE...SANTA CRUZ AND EASTERN PIMA
COUNTIES DUE TO STRONG AND GUSTY SOUTHWEST TO WEST WINDS...LOW
RELATIVE HUMIDITIES...AND A HIGH TO VERY HIGH FIRE DANGER
RATING...

AZZ146-148-190200-
/O.CON.KTWC.FW.W.0010.000000T0000Z-110419T0200Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
222 PM MST MON APR 18 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING.

* TIMING...CRITICAL FIRE WEATHER CONDITIONS WILL PREVAIL INTO THE
  EARLY EVENING HOURS...THEN WINDS WILL DIMINISH AND HUMIDITIES
  INCREASE.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST TO WEST WINDS OF 15 TO 30
  MPH WITH GUSTS TO 45 MPH ARE EXPECTED.

* RELATIVE HUMIDITY...THE MINIMUM RELATIVE HUMIDITIES WILL BE IN
  THE SINGLE DIGITS TO LOWER TEENS.

* IMPACTS...THE STRONG WINDS...LOW RELATIVE HUMIDITIES AND A HIGH
  TO VERY HIGH FIRE DANGER RATING WILL CREATE CRITICAL FIRE WEATHER
  CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA.

&&

$$

HTTP://WEATHER.GOV/TUCSON

370 
WWUS85 KTWC 190203
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
703 PM MST MON APR 18 2011

...RED FLAG WARNING HAS EXPIRED...

AZZ146-148-190315-
/O.EXP.KTWC.FW.W.0010.000000T0000Z-110419T0200Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
703 PM MST MON APR 18 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

WINDS HAVE RELAXED BELOW RED FLAG CRITERIA...ALTHOUGH RELATIVE
HUMIDITY LEVELS WILL REMAIN LOW THROUGH THE EVENING.

$$


HTTP://WEATHER.GOV/TUCSON

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
940 AM MST SUN APR 17 2011

.SYNOPSIS...EXPECT DRY CONDITIONS AND MUCH ABOVE NORMAL DAYTIME
TEMPERATURES TODAY. A SERIES OF WEAK LOW PRESSURE SYSTEMS WILL MOVE
NORTH OF THE AREA THIS WEEK. THESE SYSTEMS WILL BRING SOME MINOR
COOLING AND BREEZY TO WINDY CONDITIONS DURING THE AFTERNOONS. THE
STRONGEST WINDS ARE EXPECTED MONDAY AND AGAIN THURSDAY. OTHERWISE...
DRY CONDITIONS WILL CONTINUE THIS WEEK.

&&

.DISCUSSION...FLAT RIDGE OVER THE SWRN CONUS WITH A FEW CIRRIFORM
CLOUDS MOVING EWD ACROSS SE AZ THIS MORNING. ABUNDANT SUNSHINE TODAY
AS VERY DRY REGIME TO CONTINUE. SHORTWAVE TROUGH TO APPROACH THE
WEST COAST TODAY...THEN MOVE EWD ACROSS THE GREAT BASIN REGION
MONDAY. MID-LEVEL GRADIENT WILL TIGHTEN FOR BREEZY CONDITIONS EAST
OF TUCSON THIS AFTERNOON...AND BREEZY TO WINDY CONDITIONS AREA-WIDE
MONDAY. BELIEVE ANY MEASURABLE PRECIP ASSOCIATED WITH THIS SYSTEM
WILL BE WELL NORTH OF THIS FORECAST AREA. THEREAFTER...GENERALLY WLY
FLOW ALOFT DURING THE MIDDLE AND LATTER PART OF THE UPCOMING WEEK.
SOME DIFFERENCES BETWEEN VARIOUS GFS/ECMWF SOLUTIONS REGARDING
SHORTWAVE TROUGH AMPLIFICATION OVER THE WRN CONUS. BOTTOM LINE...
PRECIP-FREE CONDITIONS WITH OCCASIONAL AFTERNOON BREEZES AND HIGH
TEMPS TO AVERAGE ABOUT 5 DEGS F OR SO ABOVE NORMAL.

&&

.AVIATION...FEW-SCT HIGH CLOUDS AT OR ABOVE 25K FT AGL THRU 18Z
MONDAY. EXPECT INCREASING SURFACE WINDS...WITH SUSTAINED SWLY/WLY
SURFACE WINDS OF 13-18 KTS AND GUSTS TO AROUND 30 KTS BETWEEN 17Z
TODAY AND 03Z MONDAY. DIMINISHING SURFACE WINDS AFT 03Z MONDAY...
WITH TYPICAL DIURNAL WIND SPEEDS/DIRECTIONS BETWEEN 06Z-13Z MONDAY.
STRONG AND GUSTY SURFACE WINDS ARE THEN EXPECTED DURING THE DAY ON
MONDAY. AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...EXPECT DRY CONDITIONS TODAY WITH WELL ABOVE NORMAL
TEMPERATURES. INCREASING WINDS ARE ALSO EXPECTED THIS AFTERNOON AND
EARLY EVENING IN ADVANCE OF A WEAK PACIFIC LOW PRESSURE SYSTEM...AND
CONDITIONS MAY BRIEFLY APPROACH CRITICAL FIRE THRESHOLDS EAST OF
TUCSON THIS AFTERNOON AND EARLY EVENING. AS THE PACIFIC SYSTEM MOVES
ACROSS THE GREAT BASIN ON MONDAY...BREEZY TO WINDY CONDITIONS WILL
OCCUR ACROSS THE EASTERN HALF OF SOUTHEAST ARIZONA. THEREFORE...A
FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY MORNING THROUGH MONDAY
EVENING FOR FIRE WEATHER ZONE 148. IN ADDITION...PORTIONS OF FIRE
WEATHER ZONE 146 HAVE NOW BEEN ADDED TO THE FIRE WEATHER WATCH AREA.
THIS SYSTEM WILL RESULT IN A LITTLE COOLER TEMPERATURES. IT WILL
ALSO REMAIN DRY THIS UPCOMING WEEK...ALONG WITH OCCASIONAL GUSTY
WINDS DURING THE AFTERNOON AND EARLY EVENING HOURS DUE TO DAYTIME
HEATING.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...FIRE WEATHER WATCH FROM MONDAY
     MORNING THROUGH MONDAY EVENING FOR AZZ148 AND AZZ146.

BF

WEATHER.GOV/TUCSON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
601 AM MST SUN APR 17 2011

AZZ503-504-507>514-181215-
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
601 AM MST SUN APR 17 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO WEATHER HAZARDS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE COMBINATION FOR STRONG AND GUSTY WINDS...LOW RELATIVE
HUMIDITIES...AND A VERY HIGH FIRE DANGER RATING WILL LEAD TO THE
POTENTIAL OF WIDESPREAD CRITICAL FIRE CONDITIONS MONDAY. THUS A
FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING. PLEASE REFER TO AWIPS PRODUCT PHXRFWTWC /WMO HEADER
WWUS85 KTWC/ FOR ADDITIONAL DETAIL.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

WEATHER.GOV/TUCSON