456
FNUS74 KJAN 221012
FWSJAN
SPOT FORECAST FOR COMP 81 PRAIRIE BURN...USFS
NATIONAL WEATHER SERVICE JACKSON MS
412 AM CST FRI NOV 22 2024
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON NOVEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
FOG IS NOT EXPECTED TO BE A SIGNIFICANT CONCERN GIVEN
THE DRIER AIR MOVING IN AND BOUNDARY LAYER MIXING.
SKY/WEATHER.........SUNNY (0-10 PERCENT).
TEMPERATURE.........40 AT IGNITION...MAX 58.
RH..................70 PERCENT AT IGNITION...MIN 47 PERCENT.
WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE
NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
MORNING BECOMING LIGHT.
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 2700 FT
AGL.
TRANSPORT WINDS.....NORTH 7 TO 15 MPH.
MIXING HEIGHT (M)...1200 METERS AGL AT IGNITION...OTHERWISE 152-823
METERS AGL.
TRANSPORT WINDS M/S.NORTH 3 TO 7 METERS/SECOND.
TIME (CST) 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
TEMP............40 49 54 57 55
RH..............70 54 50 47 51
20 FT WIND DIR..N N NW NW NW
20 FT WIND SPD..5 5 5 5 5
20 FT WIND GUST.17 15 14 14 13
MIX HGT (FT)....1200 1900 2500 2700 2400
MIX HGT (M).....370 580 760 820 730
TRANSPORT WIND..N 14 N 13 N 12 N 12 N 10
TRAN WIND (M/S).N 6 N 6 N 5 N 5 N 4
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT). PATCHY FROST OVERNIGHT.
AREAS OF FOG AFTER 3 AM. WIDESPREAD FROST EARLY
IN THE MORNING.
TEMPERATURE.........MIN 30.
RH..................MAX 100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 9 MPH.
MIXING HEIGHT (M)...122 METERS AGL.
TRANSPORT WINDS M/S.NORTH 1 TO 4 METERS/SECOND.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR MCLEAR MCLEAR
WEATHER COV..... PATCHY AREAS
WEATHER TYPE....NONE NONE NONE NONE FROST FOG
TSTM COV........
TEMP............46 41 40 38 35 33
RH..............73 89 89 92 100 100
20 FT WIND DIR..NW NW NW N N N
20 FT WIND SPD..2 2 2 1 0 0
20 FT WIND GUST.12 10 8 6 5 3
MIX HGT (FT)....400 400 400 400 400 400
MIX HGT (M).....120 120 120 120 120 120
TRANSPORT WIND..N 9 N 9 N 8 N 7 N 7 N 5
TRAN WIND (M/S).N 4 N 4 N 4 N 3 N 3 N 2
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). WIDESPREAD FROST AND
AREAS OF FOG EARLY IN THE MORNING.
TEMPERATURE.........MAX 64.
RH..................MIN 46 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE EAST
AROUND 3 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE WEST 2 TO 5 MPH LATE IN THE MORNING
SHIFTING TO THE SOUTH AROUND 3 MPH LATE IN THE
AFTERNOON.
MIXING HEIGHT (M)...91-792 METERS AGL.
TRANSPORT WINDS M/S.NORTHEAST 1 TO 2 METERS/SECOND SHIFTING TO THE
EAST AROUND 1 METERS/SECOND LATE IN THE
MORNING, THEN SHIFTING TO THE WEST 1 TO 2
METERS/SECOND LATE IN THE MORNING SHIFTING TO
THE SOUTH AROUND 1 METERS/SECOND LATE IN THE
AFTERNOON.
TIME (CST) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR
WEATHER COV.....WIDSPD
WEATHER TYPE....FROST NONE NONE NONE
TSTM COV........
TEMP............31 48 59 63
RH..............100 74 51 46
20 FT WIND DIR..N N W W
20 FT WIND SPD..0 0 2 1
20 FT WIND GUST.3 2 3 3
MIX HGT (FT)....400 1000 2300 2400
MIX HGT (M).....120 300 700 730
TRANSPORT WIND..NE 5 E 3 NW 3 W 5
TRAN WIND (M/S).NE 2 E 1 NW 1 W 2
FORECASTER...CARPENTER
REQUESTED BY...USFS
TYPE OF REQUEST...PRESCRIBED
.TAG 2427175.0/JAN
.DELDT 11/22/24
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.CREWS@USDA.GOV
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