710
FNUS75 KGJT 181625
FWSGJT
SPOT FORECAST FOR MIDDLE MAMM...GRAND JUNCTION DISPATCH CENTER
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1025 AM MDT WED SEP 18 2019
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON AND PERSIST
THROUGH FRIDAY AS A LOW PRESSURE SYSTEM APPROACHES FROM THE WEST AND A
STRONG UPPER LEVEL JET ENTERS WESTERN COLORADO TONIGHT. CLEAR SKIES WILL
ALLOW STRONG WINDS ALOFT TO MIX TO DOWN TO THE SURFACE. IN ADDITION,
CONDITIONS WILL REMAIN MOSTLY DRY THIS AFTERNOON AND INTO THURSDAY.
MOISTURE WILL INCREASE FROM THE SOUTH AS THE SYSTEM APPROACHES THURSDAY
BUT SHOWERS WILL STAY CONFINED TO HIGHER TERRAIN ALONG THE DIVIDE UNTIL
LATE THURSDAY EVENING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%).
MAX TEMPERATURE.....64-69 F.
MIN HUMIDITY........24-29%.
WIND (20 FT)........SOUTHWEST WINDS 15 TO 20 MPH WITH OCCASIONAL GUSTS
AROUND 25 MPH THIS AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT BY 1200.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 9400 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTHWEST 23 MPH.
TONIGHT
SKY/WEATHER.........CLEAR (0-10%).
MIN TEMPERATURE.....47-52 F.
MAX HUMIDITY........49-54%.
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH
IN THE EVENING, BECOMING SOUTHEAST WINDS 10 TO 15
MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO POOR BY 2100.
HAINES INDEX........3 OR VERY LOW.
LAL.................1.
MIXING HEIGHT.......DECREASING TO 3200 FT AGL BY 2100.
TRANSPORT WINDS.....SOUTHWEST 22 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....61-66 F.
MIN HUMIDITY........26-31%.
WIND (20 FT)........SOUTH TO SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
UP TO 30 MPH.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT BY 1200.
HAINES INDEX........5 OR MODERATE.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 9400 FT AGL BY 1500.
TRANSPORT WINDS.....SOUTHWEST 28 MPH.
FORECASTER...ERIN WALTER
REQUESTED BY...HARRISON/BENAGE (T)
TYPE OF REQUEST...WILDFIRE
.TAG 1914835.8/GJT
.DELDT 09/18/19
.FORMATTERVERSION 1.0.26
.EMAIL COGJC@FIRENET.GOV
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