032
FNUS55 KBOI 152113
FWFBOI
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON
NATIONAL WEATHER SERVICE BOISE ID
313 PM MDT THU MAY 15 2008
..HOT AND DRY CONDITIONS EXPECTED THROUGH THE WEEKEND
..POOR TO FAIR VENTILATION FRIDAY
DISCUSSION
A LARGE RIDGE ALOFT WILL DOMINATE THE WEATHER PATTERN OVER THE REGION
THROUGH SUNDAY. THIS WILL BRING VERY WARM CONDITIONS WITH SOME AREAS
FLIRTING WITH RECORD TEMPERATURES. AFTERNOON HUMIDITIES WILL LOWER INTO THE
5 TO 15 PERCENT RANGE THROUGH THE WEEKEND. OTHERWISE LIGHT WINDS ALOFT
FRIDAY WILL BRING POOR TO FAIR VENTILATION INDICIES TO ALL AREAS. WINDS
WILL INCREASE SLIGHTLY SATURDAY AND SUNDAY BRINGING BETTER MIXING TO THE
REGION. MOISTURE IS EXPECTED TO MOVE BACK INTO THE AREA AHEAD OF ANOTHER
COLD FRONT BY TUESDAY BRING THE THREAT OF CONVECTION. WINDS WILL GENERALLY
BE LIGHT AND TERRAIN DRIVEN.
IDZ400>404-162200-
NORTHERN BOISE BLM-WESTERN PAYETTE NATIONAL FOREST-
EASTERN PAYETTE NATIONAL FOREST-NORTHERN BOISE NATIONAL FOREST-
SOUTHERN BOISE NATIONAL FOREST-
313 PM MDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....38 TO 52.
24 HR TREND......ON AVERAGE...8 DEGREES WARMER.
MAX HUMIDITY........59 TO 89 PERCENT.
24 HR TREND......ON AVERAGE...15 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHEAST 8 TO 13 MPH.
RIDGES...........NORTHEAST 8 TO 11 MPH IN THE EVENING...BECOMING
LIGHT AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......1000-2000 FT AGL.
TRANSPORT WINDS....EAST 5 TO 10 MPH.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....69 TO 84.
24 HR TREND......ON AVERAGE...13 DEGREES WARMER.
MIN HUMIDITY........15 TO 26 PERCENT.
24 HR TREND......ON AVERAGE...10 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......4000-6000 FT AGL.
TRANSPORT WINDS....NORTHWEST AROUND 5 MPH.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....41 TO 56.
24 HR TREND......ON AVERAGE...4 DEGREES WARMER.
MAX HUMIDITY........48 TO 73 PERCENT.
24 HR TREND......ON AVERAGE...14 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......1000-2000 FT AGL.
TRANSPORT WINDS....SOUTHEAST AROUND 5 MPH.
SATURDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....74 TO 89.
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.
MIN HUMIDITY........14 TO 20 PERCENT.
24 HR TREND......ON AVERAGE...5 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING...BECOMING SOUTHWEST AROUND 8 MPH IN
THE AFTERNOON.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH IN THE
MORNING...BECOMING WEST AROUND 8 MPH IN THE
AFTERNOON.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......4500-6500 FT AGL.
TRANSPORT WINDS....WEST 5 TO 15 MPH.
=
IDZ408-418-419-162200-
TREASURE VALLEY-WESTERN TWIN FALLS BLM-OWYHEE MOUNTAINS-
313 PM MDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....45 TO 58.
24 HR TREND......ON AVERAGE...8 DEGREES WARMER.
MAX HUMIDITY........55 TO 75 PERCENT.
24 HR TREND......ON AVERAGE...14 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHWEST 8 TO 9 MPH WITH GUSTS TO 20 MPH IN THE
EVENING...BECOMING LIGHT DOWNSLOPE LESS THAN 8 MPH
AFTER MIDNIGHT.
RIDGES...........NORTHEAST 8 TO 13 MPH IN THE EVENING...BECOMING
LIGHT AFTER MIDNIGHT.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......900-1400 FT AGL.
TRANSPORT WINDS....EAST UP TO 10 MPH.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....78 TO 87.
24 HR TREND......ON AVERAGE...12 DEGREES WARMER.
MIN HUMIDITY........13 TO 20 PERCENT.
24 HR TREND......ON AVERAGE...12 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......5500-7500 FT AGL.
TRANSPORT WINDS....NORTH AROUND 5 MPH.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....45 TO 55.
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.
MAX HUMIDITY........40 TO 60 PERCENT.
24 HR TREND......ON AVERAGE...14 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH IN THE
EVENING...BECOMING SOUTHEAST AROUND 8 MPH AFTER
MIDNIGHT.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......900-1400 FT AGL.
TRANSPORT WINDS....SOUTH UP TO 5 MPH.
SATURDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....83 TO 93.
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.
MIN HUMIDITY........9 TO 16 PERCENT.
24 HR TREND......ON AVERAGE...5 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........SOUTHEAST AROUND 8 MPH IN THE
MORNING...BECOMING LIGHT UPSLOPE LESS THAN 8
MPH IN THE AFTERNOON.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......6000-8000 FT AGL.
TRANSPORT WINDS....NORTHWEST 5 TO 10 MPH.
=
ORZ636-637-162200-
BURNS BLM-VALE BLM-
313 PM MDT THU MAY 15 2008 /213 PM PDT THU MAY 15 2008/
TONIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....45 TO 58.
24 HR TREND......ON AVERAGE...8 DEGREES WARMER.
MAX HUMIDITY........46 TO 66 PERCENT.
24 HR TREND......ON AVERAGE...14 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHEAST 9 TO 15 MPH.
RIDGES...........NORTHEAST 9 TO 15 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....79 TO 88.
24 HR TREND......ON AVERAGE...13 DEGREES WARMER.
MIN HUMIDITY........11 TO 18 PERCENT.
24 HR TREND......ON AVERAGE...17 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH IN THE
MORNING...BECOMING SOUTHEAST 8 TO 9 MPH IN THE
AFTERNOON.
RIDGES...........SOUTHEAST AROUND 8 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....46 TO 57.
24 HR TREND......ON AVERAGE...4 DEGREES WARMER.
MAX HUMIDITY........27 TO 42 PERCENT.
24 HR TREND......ON AVERAGE...22 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........5 MODERATE.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SATURDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....85 TO 94.
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.
MIN HUMIDITY........9 TO 14 PERCENT.
24 HR TREND......ON AVERAGE...3 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........4 LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
=
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. LOWS 47 TO 58. HIGHS 78 TO 93. WEST WINDS
UP TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 43 TO 57. HIGHS 78 TO 93. WEST WINDS
UP TO 10 MPH.
TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 39 TO 52. HIGHS 72 TO 87. WEST WINDS 10 TO
15 MPH.
WEDNESDAY
COOLER. MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
SHOWERS. LOWS 35 TO 47. HIGHS 60 TO 75.
THURSDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS. LOWS
33 TO 44. HIGHS 58 TO 73.
.OUTLOOK FOR FRIDAY MAY 23 THROUGH THURSDAY MAY 29 CALLS FOR
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
=
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