258
FNUS72 KKEY 142001
FWSKEY
SPOT FORECAST FOR BIG PINE KEY 9.2 NIGHT...USFWS
NATIONAL WEATHER SERVICE KEY WEST FL
401 PM EDT SAT OCT 14 2023
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (305) 295-1316 EXT 3, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A WEAK BOUNDARY CONTINUES TO SLOWLY DRIFT SOUTH TOWARDS THE
ISLAND CHAIN ARRIVING OVER THE NEXT COUPLE HOURS. MEANWHILE, AN
APPROACHING ARCTIC HIGH WILL PUSH A SECONDARY FRONT ACROSS THE
FLORIDA PENINSULA AND ACROSS THE FLORIDA KEYS SOMETIME SUNDAY
NIGHT. RAIN CHANCES WILL CONTINUE TO INCREASE THROUGH THIS
EVENING, PEAKING OVERNIGHT INTO SUNDAY AFTERNOON. BEST THUNDER
CHANCES WILL OCCUR THIS EVENING INTO SUNDAY. WEST WINDS NEAR 10
MPH THIS EVENING WILL CLOCK AROUND TO THE NORTHWEST AND EVENTUALLY
NORTHWEST TO NORTH BEHIND THE FRONT AND INCREASE SUNDAY AND
SUNDAY NIGHT.
TONIGHT
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY (45-65 PERCENT). CHANCE OF
SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
LAL.................1-8 STRIKES.
MIN TEMPERATURE.....AROUND 80.
MAX HUMIDITY........91 PERCENT.
EYE LEVEL WINDS.....WEST TO NORTHWEST WINDS 8 TO 11 MPH THIS EVENING,
DECREASING TO NEAR 5 MPH OVERNIGHT.
WIND (20 FT)........WEST TO NORTHWEST WINDS 6 TO 9 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 14 MPH.
DISPERSION INDEX....44 DECREASING TO 9.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY COVER.......PCLDY MCLDY MCLDY PCLDY MCLDY MCLDY
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC S CHC S CHC
CHC OF PCPN (%).30 50 50 50 50 50
LAL.............1 2 2 2 2 2
TEMP............89 84 82 81 81 81
RH..............73 85 88 91 91 88
20 FT WIND......W 12 W 10 W 10 NW 9 NW 8 NW 8
20 FT WIND GUST.16 15 15 13 12 12
EYE LEVEL WIND..W 8 W 7 W 7 NW 6 NW 6 NW 6
EYE LVL WND GST.11 11 11 9 8 8
MIX HGT (FT)....2900 2000 1600 1200 1200 1000
TRANSPORT WIND..W 16 W 15 W 14 NW 13 NW 12 W 10
DISPERSION......44 21 15 13 10 7
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......50 PERCENT.
LAL.................1-8 STRIKES.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........64 PERCENT.
EYE LEVEL WINDS.....WEST TO NORTHWEST WINDS NEAR 5 MPH, INCREASING TO
7 TO 9 MPH DURING THE AFTERNOON.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 16 MPH.
DISPERSION INDEX....13 INCREASING TO 36.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC S CHC S CHC S CHC S CHC S CHC
CHC OF PCPN (%).50 50 50 50 50 50
LAL.............2 2 2 2 2 2
TEMP............80 81 87 88 89 87
RH..............91 85 70 66 64 68
20 FT WIND......W 7 W 9 W 9 W 8 W 9 W 9
20 FT WIND GUST.10 13 13 12 13 13
EYE LEVEL WIND..W 5 W 6 W 6 W 6 W 6 W 6
EYE LVL WND GST.7 9 9 8 9 9
MIX HGT (FT)....1500 1700 2900 3700 3700 3500
TRANSPORT WIND..W 12 W 12 W 13 W 13 W 14 W 14
DISPERSION......10 20 29 35 37 38
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
CHANCE OF PCPN......50 PERCENT EARLY, DECREASING TO 20 PERCENT OVERNIGHT.
LAL.................NO TSTMS.
MIN TEMPERATURE.....AROUND 76.
MAX HUMIDITY........85 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 11 MPH.
WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 22 MPH.
DISPERSION INDEX....29 DECREASING TO 21 EARLY IN THE EVENING, THEN
INCREASING TO 28 AFTER 3 AM.
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM
SKY COVER.......MCLDY MCLDY MCLDY MCLDY
WEATHER COV.....CHANCE S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC
CHC OF PCPN (%).50 20 20 20
LAL.............2 1 1 1
TEMP............87 79 78 77
RH..............65 82 85 79
20 FT WIND......W 9G14 NW 10G15 NW 13G16 NW 15G21
EYE LEVEL WIND..W 6G10 NW 7G11 NW 9G11 NW 11G15
MIX HGT (FT)....3000 2100 2000 2600
TRANSPORT WIND..W 15 NW 15 NW 16 NW 20
DISPERSION......31 18 19 26
FORECASTER...MJV
REQUESTED BY...GREG SUSZEK
TYPE OF REQUEST...PRESCRIBED
.TAG 2322276.3/KEY
.DELDT 10/14/23
.FORMATTERVERSION 2.0.0
.EMAIL GREG_SUSZEK@FWS.GOV
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