683
FNUS56 KOTX 152152
FWFOTX
FIRE WEATHER PLANNING FORECAST FOR EASTERN WASHINGTON AND NORTH IDAHO
NATIONAL WEATHER SERVICE SPOKANE WA
252 PM PDT THU MAY 15 2008
DISCUSSION
STRONG HIGH PRESSURE RIDGING WILL CONTINUE TO BUILD OVER THE
DISTRICTS TONIGHT AND REMAIN OVER THE AREA THROUGH THE WEEKEND. THIS
RIDGE WILL DELIVER JULY LIKE TEMPERATURES WITH RELATIVELY LIGHT
TERRAIN DRIVEN WINDS AND LOW RELATIVE HUMIDITIES. THE RIDGE IS
FORECAST TO BREAK DOWN EARLY NEXT WEEK BUT MODEL DISAGREEMENT ON
TIMING LEADS TO LOW FORECAST CONFIDENCE FOR THE RIDGE BREAKDOWN AT
THIS TIME.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***************************************************************
WAZ676-677-680-682-161415-
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
EAST WASHINGTON SOUTH CENTRAL CASCADE MOUNTAINS (ZONE 680)-
EAST WASHINGTON CENTRAL CASCADE MOUNTAINS (ZONE 682)-
252 PM PDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
LAL.................1.
MIN TEMPERATURE.....49-58.
24 HR TREND......4 DEGREES WARMER VALLEYS AND 8 DEGREES WARMER
MOUNTAINS.
MAX HUMIDITY........50-65 PERCENT.
24 HR TREND......15 PERCENT DRIER VALLEYS AND 20 PERCENT DRIER
MOUNTAINS.
HUMIDITY RECOVERY...FAIR.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH.
RIDGES/UPR SLOPES....NORTHEAST 5 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....87-95 VALLEYS AND 76-86 MOUNTAINS.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........16-26 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 4 TO 8 MPH.
RIDGES/UPR SLOPES....EAST 4 TO 8 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 7 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
LAL.................1.
MIN TEMPERATURE.....52-60.
MAX HUMIDITY........45-60 PERCENT.
HUMIDITY RECOVERY...POOR.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 2 TO 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWN VALLEY 3 TO 6 MPH.
CWR (> 0.10 IN).....0 PERCENT.
SATURDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....88-96 VALLEYS AND 74-84 MOUNTAINS.
MIN HUMIDITY........16-26 PERCENT VALLEYS AND 25-35 PERCENT
MOUNTAINS.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 3 TO 6 MPH IN THE MORNING
EXCEPT BECOMING WEST 5 TO 9 MPH WITH HIGHER GUSTS
IN THE KITTITAS VALLEY.
RIDGES/UPR SLOPES....EAST 3 TO 6 MPH IN THE MORNING
BECOMING WEST 6 TO 10 MPH IN THE
AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 7 MPH IN THE MORNING INCREASING TO 13
TO 17 MPH IN THE AFTERNOON.
CWR (> 0.10 IN).....0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 50 TO 60. HIGHS 76 TO 86. WEST WIND
8 TO 12 MPH.
MONDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS 68 TO 78. WEST WIND
8 TO 12 MPH.
TUESDAY
COOLER. MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS.
LOWS 40 TO 50. HIGHS 57 TO 67. WEST WIND 10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS. LOWS 37 TO 42. HIGHS 58 TO 63.
.8 TO 14 DAY OUTLOOK FOR MAY 23 - 29, 2008
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ684-685-687-161415-
EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)-
EAST WASHINGTON NORTH CASCADES (ZONE 685)-
EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)-
252 PM PDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
LAL.................1.
MIN TEMPERATURE.....48-56.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........65-80 PERCENT VALLEYS AND 50-65 PERCENT
MOUNTAINS.
24 HR TREND......10 PERCENT DRIER VALLEYS AND 15 PERCENT DRIER
MOUNTAINS.
HUMIDITY RECOVERY...FAIR.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....NORTHEAST 3 TO 7 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 7 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....88-94 VALLEYS AND 76-86 MOUNTAINS.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........13-23 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 2 TO 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
LAL.................1.
MIN TEMPERATURE.....50-59.
MAX HUMIDITY........60-75 PERCENT VALLEYS AND 45-60 PERCENT
MOUNTAINS.
HUMIDITY RECOVERY...FAIR.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....SOUTH 3 TO 6 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH.
CWR (> 0.10 IN).....0 PERCENT.
SATURDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....89-96 VALLEYS AND 75-85 MOUNTAINS.
MIN HUMIDITY........15-25 PERCENT.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 3 TO 6 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 6 TO 10 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 49 TO 58. HIGHS 77 TO 87. WEST WIND
8 TO 12 MPH.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 56. HIGHS 71 TO 81. WEST WIND
3 TO 7 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS. LOWS 41 TO
50. HIGHS 62 TO 72. SOUTHWEST WIND 5 TO 9 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS. LOWS 37 TO 42. HIGHS 60 TO 65.
.8 TO 14 DAY OUTLOOK FOR MAY 23 - 29, 2008
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
IDZ101-WAZ686-161415-
NORTHERN AND CENTRAL IDAHO PANHANDLE (ZONE 101)-
EAST WASHINGTON NORTHEAST (ZONE 686)-
252 PM PDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
LAL.................1.
MIN TEMPERATURE.....44-53.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........71-90 PERCENT VALLEYS AND 61-80 PERCENT
MOUNTAINS.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....NORTHEAST 2 TO 5 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....83-89 VALLEYS AND 74-84 MOUNTAINS.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........17-27 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 4 TO 6 MPH.
RIDGES/UPR SLOPES.... SOUTHWEST 3 TO 6 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 6 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
LAL.................1.
MIN TEMPERATURE.....46-56 VALLEYS AND 49-59 MOUNTAINS.
MAX HUMIDITY........65-80 PERCENT VALLEYS AND 55-70 PERCENT
MOUNTAINS.
HUMIDITY RECOVERY...FAIR.
20-FOOT WIND........
VALLEYS/LWR SLOPES...DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
RIDGES/UPR SLOPES....EAST 2 TO 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
CWR (> 0.10 IN).....0 PERCENT.
SATURDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....85-91 VALLEYS AND 75-85 MOUNTAINS.
MIN HUMIDITY........15-25 PERCENT.
20-FOOT WIND........
VALLEYS/LWR SLOPES...UPSLOPE/UPVALLEY 4 TO 7 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 3 TO 7 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 4 TO 8 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS 76 TO 86. SOUTHWEST
WIND 8 TO 12 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS
46 TO 56. HIGHS 75 TO 85. SOUTHWEST WIND 3 TO 7 MPH.
TUESDAY
NOT AS WARM. MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 44 TO 52. HIGHS 65 TO
75. SOUTHWEST WIND 3 TO 7 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 23 - 29, 2008
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
WAZ673-161415-
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
252 PM PDT THU MAY 15 2008
TONIGHT
SKY/WEATHER.........CLEAR.
LAL.................1.
MIN TEMPERATURE.....51-58.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........61-80 PERCENT.
24 HR TREND......15 TO 20 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WIND........NORTHEAST 2 TO 5 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 7 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....87-93.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........15-25 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WIND........SOUTHEAST 2 TO 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 7 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FRIDAY NIGHT
SKY/WEATHER.........CLEAR.
LAL.................1.
MIN TEMPERATURE.....54-62.
MAX HUMIDITY........60-75 PERCENT.
HUMIDITY RECOVERY...FAIR.
20-FOOT WIND........EAST 2 TO 5 MPH.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 7 MPH.
CWR (> 0.10 IN).....0 PERCENT.
SATURDAY
SKY/WEATHER.........SUNNY.
LAL.................1.
MAX TEMPERATURE.....89-95.
MIN HUMIDITY........15-25 PERCENT.
20-FOOT WIND........SOUTHWEST 5 TO 9 MPH WITH HIGHER
GUSTS IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 10 MPH.
CWR (> 0.10 IN).....0 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
CLEAR. LOWS 54 TO 62. HIGHS 85 TO 92. SOUTHWEST WIND
8 TO 12 MPH.
MONDAY
MOSTLY CLEAR. LOWS 51 TO 59. HIGHS 81 TO 88. SOUTHWEST
WIND 3 TO 7 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS
47 TO 52. HIGHS 73 TO 80. SOUTHWEST WIND 10 TO 20 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. LOWS
IN THE MID 40S. HIGHS IN THE LOWER 70S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S.
.8 TO 14 DAY OUTLOOK FOR MAY 23 - 29, 2008
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.
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