985
FNUS76 KOTX 192151
FWSOTX
SPOT FORECAST FOR WILLIAMS FLATS...COLVILLE BIA
NATIONAL WEATHER SERVICE SPOKANE WA
251 PM PDT MON AUG 19 2019
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT WARM DRY CONDITIONS WITH POOR TO MODERATE OVERNIGHT RELATIVE
HUMIDITY RECOVERY ON MID-SLOPES AND RIDGES TUESDAY AND TUESDAY NIGHT.
WEDNESDAY WILL CONTINUE TO BE WARM AND DRY, BUT WE ARE EXPECTING A
COLD FRONT TO MOVE ACROSS THE BURN AREA WEDNESDAY EVENING. SOUTHWEST
WINDS WILL BE ON THE INCREASE AHEAD OF THE FRONT WEDNESDAY AFTERNOON
CONINTUE THROUGH THE NIGHT. WHILE SHOWERS ARE EXPECTED AMOUNTS WILL
BE VERY LIGHT. THURSDAY WILL BE 5-10 DEGREES COOLER WITH BREEZY SOUTHWEST
WINDS.
TUESDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1.
MAX TEMPERATURE.....89.
MIN HUMIDITY........14-17 PERCENT.
WIND (20 FT)........EAST-SOUTHEAST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL AFTER 1030.
TRANSPORT WINDS.....SOUTHEAST 7 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1.
MIN TEMPERATURE.....61.
MAX HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH...BECOMING SOUTHWEST
4 TO 7 MPH AFTER 0500
MIXING HEIGHT.......DECREASING TO NEAR THE SURFACE 2100.
TRANSPORT WINDS.....SOUTH AROUND 6 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS LATE IN THE
AFTERNOON. A BETTER CHANCE WEDNESDAY NIGHT
CWR.................LESS THAN 10 PERCENT WEDNESDAY NIGHT.
LAL.................1.
MAX TEMPERATURE.....84.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........SOUTH WINDS 3 TO 6 MPH IN THE MORNING SHIFTING
TO THE SOUTHWEST 10 TO 12 MPH AFTER 1600.
MIXING HEIGHT.......INCREASING TO 6600 FT AGL AFTER 2030.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
FORECASTER...BT
REQUESTED BY...DEBBIE PLUMMER
TYPE OF REQUEST...WILDFIRE
.TAG 1913859.4/OTX
.DELDT 08/19/19
.FORMATTERVERSION 1.0.26
.EMAIL DPLUMMER@BLM.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page