918
FNUS55 KTWC 191044
FWFTWC
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
NATIONAL WEATHER SERVICE TUCSON AZ
343 AM MST SUN MAY 19 2013
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY
TERRAIN DRIVEN WINDS +++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCUSSION
DRY CONDITIONS WILL PREVAIL DURING THE UPCOMING WEEK
ALONG WITH A GRADUAL DAILY WARMING TREND. DAYTIME MINIMUM RELATIVE
HUMIDITIES WILL GENERALLY BE IN THE SINGLE DIGITS TO LOWER TEENS
WITH FAIR OVERNIGHT RECOVERIES. EXPECT NORMAL DIURNAL WIND TRENDS
SUNDAY THROUGH WEDNESDAY...WITH OCCASIONAL GUSTS DURING THE
AFTERNOON AND EARLY EVENING HOURS DUE TO STRONG DAYTIME HEATING.
SOMEWHAT STRONGER SOUTHWEST WINDS WILL LIKELY RETURN THURSDAY AND
FRIDAY AS A LOW PRESSURE SYSTEM DEEPENS NORTHWEST OF THE AREA.
AZZ146-192215-
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-
343 AM MST SUN MAY 19 2013
TODAY
* SKY/WEATHER..............MOSTLY SUNNY.
* MAX TEMPERATURE..........
* BELOW 5000 FT.........77 TO 87 DEGS
* ABOVE 5000 FT.........65 TO 81 DEGS
* 24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............
* BELOW 5000 FT.........8 TO 13 PCT
* ABOVE 5000 FT.........12 TO 17 PCT
* 24 HR TREND...........UP 2 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO 15 TO
20 MPH WITH OCCASIONAL GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGETOP..............WEST 15 TO 20 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............3 VERY LOW.
* MIXING HEIGHT............9499 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 13 TO 20 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (189980 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR.
* MIN TEMPERATURE..........
* BELOW 5000 FT.........49 TO 59 DEGS
* ABOVE 5000 FT.........40 TO 50 DEGS
* 24 HR TREND...........LITTLE CHANGE.
* MAX HUMIDITY.............
* BELOW 5000 FT.........31 TO 41 PCT
* ABOVE 5000 FT.........38 TO 48 PCT
* 24 HR TREND...........DOWN 3 PCT.
* WIND (20 FT/10-MIN AVG)..NORTHWEST 10 TO 15 MPH.
* RIDGETOP..............WEST 25 TO 30 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............3 VERY LOW.
MONDAY
* SKY/WEATHER..............SUNNY.
* MAX TEMPERATURE..........
* BELOW 5000 FT.........78 TO 88 DEGS
* ABOVE 5000 FT.........65 TO 81 DEGS
* 24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............
* BELOW 5000 FT.........6 TO 11 PCT
* ABOVE 5000 FT.........10 TO 15 PCT
* 24 HR TREND...........DOWN 2 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH INCREASING TO 15 TO
20 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON.
* RIDGETOP..............WEST 25 TO 30 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............4 LOW.
* MIXING HEIGHT............10931 FT AGL.
* TRANSPORT WINDS..........NORTHWEST 18 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (207689 KNOT-FT).
FORECAST DAYS 3 THROUGH 7
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
TUESDAY
CLEAR. LOWS 37 TO 55. HIGHS 67 TO 89. NORTHWEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 4 TO 17 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 39 TO 58. HIGHS 71 TO 91.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 4 TO 13 PCT.
THURSDAY
MOSTLY CLEAR. LOWS 41 TO 59. HIGHS 71 TO 93. WEST
WIND AROUND 15 MPH. MINIMUM HUMIDITY 4 TO 12 PCT.
FRIDAY
MOSTLY CLEAR. LOWS 41 TO 60. HIGHS 70 TO 92.
SATURDAY
MOSTLY CLEAR. LOWS 40 TO 59. HIGHS 69 TO 92.
NOTE TO USERS - ZONE 146 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)
AZZ147-192215-
ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
343 AM MST SUN MAY 19 2013
TODAY
* SKY/WEATHER..............SUNNY.
* MAX TEMPERATURE..........85 TO 93 DEGS.
* 24 HR TREND...........UP 2 DEGS.
* MIN HUMIDITY.............10 TO 18 PCT.
* 24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING WEST AROUND 15 MPH
IN THE AFTERNOON.
* RIDGETOP..............WEST 15 TO 20 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............4 LOW.
* MIXING HEIGHT............8941 FT AGL.
* TRANSPORT WINDS..........SOUTH 6 KNOTS SHIFTING TO THE WEST IN
THE AFTERNOON.
* VENTILATION CATEGORY.....VERY GOOD (98351 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR.
* MIN TEMPERATURE..........57 TO 64 DEGS.
* 24 HR TREND...........UP 2 DEGS.
* MAX HUMIDITY.............29 TO 39 PCT.
* 24 HR TREND...........DOWN 9 PCT.
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGETOP..............WEST 10 TO 15 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............4 LOW.
MONDAY
* SKY/WEATHER..............SUNNY.
* MAX TEMPERATURE..........87 TO 95 DEGS.
* 24 HR TREND...........UP 2 DEGS.
* MIN HUMIDITY.............7 TO 13 PCT.
* 24 HR TREND...........DOWN 3 TO 5 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH.
* RIDGETOP..............NORTHWEST 15 TO 20 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............4 LOW.
* MIXING HEIGHT............9751 FT AGL.
* TRANSPORT WINDS..........SOUTH 7 KNOTS SHIFTING TO THE WEST 14
KNOTS IN THE AFTERNOON.
* VENTILATION CATEGORY.....EXCELLENT (136514 KNOT-FT).
FORECAST DAYS 3 THROUGH 7
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
TUESDAY
MOSTLY CLEAR. LOWS 56 TO 62. HIGHS 88 TO 97. WEST WIND
AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 12 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 58 TO 65. HIGHS 90 TO 100.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 4 TO 9 PCT.
THURSDAY
MOSTLY CLEAR. LOWS 59 TO 66. HIGHS 90 TO 100. SOUTH
WIND AROUND 15 MPH. MINIMUM HUMIDITY 5 TO 10 PCT.
FRIDAY
MOSTLY CLEAR. LOWS 58 TO 65. HIGHS 90 TO 98.
SATURDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS 89 TO 97.
NOTE TO USERS - ZONE 147 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
(3500 MSL)
AZZ148-192215-
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
343 AM MST SUN MAY 19 2013
TODAY
* SKY/WEATHER..............SUNNY.
* MAX TEMPERATURE..........
* BELOW 5000 FT.........80 TO 92 DEGS
* ABOVE 5000 FT.........64 TO 79 DEGS
* 24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............
* BELOW 5000 FT.........6 TO 11 PCT
* ABOVE 5000 FT.........10 TO 20 PCT
* 24 HR TREND...........LITTLE CHANGE.
* WIND (20 FT/10-MIN AVG)..WEST 10 TO 15 MPH WITH OCCASIONAL GUSTS
TO 25 MPH IN THE AFTERNOON.
* RIDGETOP..............WEST 15 TO 20 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............3 VERY LOW.
* MIXING HEIGHT............8899 FT AGL.
* TRANSPORT WINDS..........WEST 8 TO 15 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (133485 KNOT-FT).
TONIGHT
* SKY/WEATHER..............CLEAR.
* MIN TEMPERATURE..........
* BELOW 5000 FT.........54 TO 65 DEGS
* ABOVE 5000 FT.........42 TO 53 DEGS
* 24 HR TREND...........UP 2 DEGS.
* MAX HUMIDITY.............
* BELOW 5000 FT.........28 TO 38 PCT
* ABOVE 5000 FT.........45 TO 55 PCT
* 24 HR TREND...........DOWN 4 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 5 TO 15 MPH.
* RIDGETOP..............WEST 20 TO 25 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............3 VERY LOW.
MONDAY
* SKY/WEATHER..............SUNNY.
* MAX TEMPERATURE..........
* BELOW 5000 FT.........81 TO 94 DEGS
* ABOVE 5000 FT.........65 TO 80 DEGS
* 24 HR TREND...........LITTLE CHANGE.
* MIN HUMIDITY.............
* BELOW 5000 FT.........6 TO 11 PCT
* ABOVE 5000 FT.........9 TO 17 PCT
* 24 HR TREND...........DOWN 0 TO 3 PCT.
* WIND (20 FT/10-MIN AVG)..WEST 15 TO 20 MPH WITH OCCASIONAL GUSTS
TO 30 MPH IN THE AFTERNOON.
* RIDGETOP..............WEST 20 TO 25 MPH.
* CHANCE OF PRECIP.........0 PCT.
* LAL......................1.
* HAINES INDEX.............4 LOW.
* MIXING HEIGHT............10037 FT AGL.
* TRANSPORT WINDS..........WEST 12 TO 19 KNOTS.
* VENTILATION CATEGORY.....EXCELLENT (190703 KNOT-FT).
FORECAST DAYS 3 THROUGH 7
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
TUESDAY
CLEAR. LOWS 41 TO 64. HIGHS 67 TO 95. WEST WIND AROUND
15 MPH. MINIMUM HUMIDITY 4 TO 13 PCT.
WEDNESDAY
MOSTLY CLEAR. LOWS 43 TO 66. HIGHS 68 TO 98.
SOUTHWEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 4 TO 9 PCT.
THURSDAY
MOSTLY CLEAR. LOWS 45 TO 67. HIGHS 68 TO 98.
SOUTHWEST WIND AROUND 20 MPH. MINIMUM HUMIDITY 4 TO 10 PCT.
FRIDAY
MOSTLY CLEAR. LOWS 45 TO 67. HIGHS 67 TO 97.
SATURDAY
MOSTLY CLEAR. LOWS 44 TO 66. HIGHS 66 TO 96.
NOTE TO USERS - ZONE 148 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)
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