930
FNUS55 KBOI 112116
FWFBOI
FIRE WEATHER PLANNING FORECAST FOR SW IDAHO AND SE OREGON
NATIONAL WEATHER SERVICE BOISE ID
316 PM MDT SAT OCT 11 2008
..THIS IS THE LAST FIRE WEATHER PLANNING FORECAST FOR THE SEASON
...COLD AND WINDY TONIGHT AND SUNDAY WITH SNOW IN SHOSHONE AND BOISE NF...
DISCUSSION
AN UPPER LEVEL LOW PRESSURE SYSTEM OVER WESTERN UTAH
HAS BROUGHT SEVERAL INCHES OF WET SNOW INTO SOUTHERN IDAHO...WHILE THE
EASTERN OREGON ZONES ARE ON THE COLD AND WINDY SIDE OF THE STORM. THIS
PATTERN WILL CONTINUE TONIGHT AND EARLY SUNDAY AS THE LOW MOVES EAST INTO
THE ROCKY MOUNTAINS. BY MONDAY WINDS WILL SUBSIDE AND THE AIRMASS WILL
WARM UP AS PACIFIC HIGH PRESSURE BUILDS IN FROM OREGON. EXPECT DRIER AND
MORE SEASONABLE WEATHER UNTIL NEXT SATURDAY.
IDZ400>404-121030-
NORTHERN BOISE BLM-WESTERN PAYETTE NATIONAL FOREST-
EASTERN PAYETTE NATIONAL FOREST-NORTHERN BOISE NATIONAL FOREST-
SOUTHERN BOISE NATIONAL FOREST-
316 PM MDT SAT OCT 11 2008
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY WITH SNOW LIKELY. CHANCE OF SNOW
60 PERCENT. SNOW ACCUMULATION UP TO 3 INCHES.
MIN TEMPERATURE.....16 TO 31.
24 HR TREND......ON AVERAGE...UNCHANGED.
MAX HUMIDITY........62 TO 92 PERCENT.
24 HR TREND......ON AVERAGE...7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........BREEZY. NORTH 19 TO 25 MPH. GUSTS UP TO 30 MPH
IN THE EVENING...DECREASING TO 20 MPH AFTER
MIDNIGHT.
RIDGES...........NORTH 16 TO 22 MPH. GUSTS UP TO 40 MPH IN THE
EVENING...DECREASING TO 30 MPH AFTER MIDNIGHT.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....20 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....NORTH 20 TO 30 MPH.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW
SHOWERS.
MAX TEMPERATURE.....32 TO 47.
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.
MIN HUMIDITY........34 TO 54 PERCENT.
24 HR TREND......ON AVERAGE...7 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHWEST 8 TO 10 MPH...WITH GUSTS TO AROUND 25
MPH.
RIDGES...........NORTH 12 TO 15 MPH WITH GUSTS NEAR 25 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......1000-2000 FT AGL.
TRANSPORT WINDS....NORTH 15 TO 25 MPH.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....15 TO 26.
24 HR TREND......ON AVERAGE...2 DEGREES COOLER.
MAX HUMIDITY........74 TO 97 PERCENT.
24 HR TREND......ON AVERAGE...8 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS..........NORTH 8 TO 11 MPH IN THE EVENING...BECOMING
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER MIDNIGHT.
RIDGES...........NORTH 10 TO 15 MPH IN THE EVENING...BECOMING
LIGHT AFTER MIDNIGHT.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....WEST AROUND 10 MPH.
COLUMBUS DAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....39 TO 54.
24 HR TREND......ON AVERAGE...7 DEGREES WARMER.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......ON AVERAGE...14 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......900-1900 FT AGL.
TRANSPORT WINDS....WEST 5 TO 10 MPH.
=
IDZ408-418-419-121030-
TREASURE VALLEY-WESTERN TWIN FALLS BLM-OWYHEE MOUNTAINS-
316 PM MDT SAT OCT 11 2008
TONIGHT
SKY/WEATHER.........SNOW...MIXED WITH RAIN IN THE EVENING.
CHANCE OF PRECIPITATION NEAR 100 PERCENT. SNOW
ACCUMULATION UP TO 3 INCHES.
MIN TEMPERATURE.....20 TO 30.
24 HR TREND......ON AVERAGE...2 DEGREES WARMER.
MAX HUMIDITY........62 TO 92 PERCENT.
24 HR TREND......ON AVERAGE...10 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........WEST 14 TO 20 MPH. GUSTS 25 TO 35 MPH IN THE
EVENING.
RIDGES...........NORTHWEST 16 TO 22 MPH. GUSTS 30 TO 40 MPH IN
THE EVENING...DECREASING TO 30 MPH AFTER
MIDNIGHT.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....30 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....NORTHWEST 20 TO 30 MPH.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW
SHOWERS.
MAX TEMPERATURE.....35 TO 50.
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.
MIN HUMIDITY........34 TO 54 PERCENT.
24 HR TREND......ON AVERAGE...6 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHWEST 8 TO 12 MPH...WITH GUSTS TO AROUND 25
MPH.
RIDGES...........NORTHWEST UP TO 15 MPH...WITH GUSTS TO AROUND 25
MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....10 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......3000-5000 FT AGL.
TRANSPORT WINDS....NORTHWEST 15 TO 25 MPH.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....16 TO 25.
24 HR TREND......ON AVERAGE...5 DEGREES COOLER.
MAX HUMIDITY........78 TO 100 PERCENT.
24 HR TREND......ON AVERAGE...11 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS..........LIGHT DOWNSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......400-900 FT AGL.
TRANSPORT WINDS....NORTHWEST 5 TO 10 MPH.
COLUMBUS DAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....41 TO 53.
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.
MIN HUMIDITY........26 TO 41 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........3 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SMOKE DISPERSAL:
MIXING HEIGHT......1000-2000 FT AGL.
TRANSPORT WINDS....NORTHWEST 5 TO 10 MPH.
=
ORZ636-637-121030-
BURNS BLM-VALE BLM-
316 PM MDT SAT OCT 11 2008 /216 PM PDT SAT OCT 11 2008/
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
MIN TEMPERATURE.....20 TO 30.
24 HR TREND......ON AVERAGE...3 DEGREES WARMER.
MAX HUMIDITY........48 TO 68 PERCENT.
24 HR TREND......ON AVERAGE...16 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........BREEZY. NORTHWEST 20 TO 26 MPH. GUSTS UP TO 45
MPH IN THE EVENING...DECREASING TO 30 MPH AFTER
MIDNIGHT.
RIDGES...........BREEZY. NORTHWEST 19 TO 25 MPH. GUSTS UP TO 45
MPH IN THE EVENING...DECREASING TO 30 MPH AFTER
MIDNIGHT.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....10 PERCENT.
SUNDAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....40 TO 51.
24 HR TREND......ON AVERAGE...6 DEGREES WARMER.
MIN HUMIDITY........25 TO 35 PERCENT.
24 HR TREND......ON AVERAGE...13 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........NORTHWEST 10 TO 16 MPH...WITH GUSTS TO AROUND
30 MPH.
RIDGES...........NORTHWEST 11 TO 17 MPH...WITH GUSTS TO AROUND
30 MPH.
HAINES INDEX........2 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
SUNDAY NIGHT
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....17 TO 23.
24 HR TREND......ON AVERAGE...5 DEGREES COOLER.
MAX HUMIDITY........76 TO 93 PERCENT.
24 HR TREND......ON AVERAGE...25 PERCENT WETTER.
20-FOOT WINDS.......
VALLEYS..........NORTH 8 TO 10 MPH IN THE EVENING...BECOMING
LIGHT DOWNSLOPE LESS THAN 8 MPH AFTER MIDNIGHT.
RIDGES...........NORTH 8 TO 11 MPH IN THE EVENING...BECOMING
LIGHT AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
COLUMBUS DAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....50 TO 59.
24 HR TREND......ON AVERAGE...8 DEGREES WARMER.
MIN HUMIDITY........18 TO 28 PERCENT.
24 HR TREND......ON AVERAGE...8 PERCENT DRIER.
20-FOOT WINDS.......
VALLEYS..........LIGHT UPSLOPE WINDS LESS THAN 8 MPH.
RIDGES...........LIGHT WINDS LESS THAN 8 MPH.
HAINES INDEX........3 VERY LOW.
LAL.................1.
CWR /0.10 INCH/.....0 PERCENT.
=
FORECAST DAYS 3 THROUGH 7
TUESDAY
PARTLY CLOUDY. LOWS 26 TO 36. HIGHS 44 TO 59. WEST
WINDS UP TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 29 TO 38. HIGHS 47 TO 62. LIGHT
WINDS LESS THAN 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 31 TO 40. HIGHS 50 TO 65. LIGHT
WINDS LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 33 TO 43. HIGHS 55 TO 70.
SATURDAY
PARTLY CLOUDY. WIDELY SCATTERED SHOWERS. CHANCE OF
SHOWERS 20 PERCENT. LOWS 31 TO 40. HIGHS 55 TO 70.
.OUTLOOK FOR SUNDAY OCTOBER 19 THROUGH SATURDAY OCTOBER 25 FAVORS
ABOVE NORMAL TEMPERATURE AND NEAR NORMAL PRECIPITATION.
=
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