358
FNUS73 KMQT 241307
FWSMQT
SPOT FORECAST FOR MARSH CREEK COMP 3...USFWS
NATIONAL WEATHER SERVICE MARQUETTE MI
907 AM EDT THU JUL 24 2008
FORECAST IS BASED ON IGNITION TIME OF 1135 EDT ON JULY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE OVER UPPER MICHIGAN THIS MORNING WILL
BRING DRY WEATHER TO THE AREA TODAY AS IT SHIFTS TO THE SOUTH.
EXPECT THE RELATIVE HUMIDITY TO FALL AS LOW AS 30 PERCENT OVER
THE INTERIOR EAST IN THE AFTERNOON. AS THE SOUTHWEST FLOW AROUND
THIS RIDGE ADVECTS MORE MOISTURE NORTHEAST INTO THE GREAT LAKES
TONIGHT...SOME SHOWERS WILL BE POSSIBLE. THE APPROACH OF A COLD
FRONT MAY TRIGGER MORE SHOWERS AND THUNDERSTORMS ON FRIDAY INTO
FRIDAY EVENING BEFORE DRIER AIR ARRIVES LATE FRIDAY NIGHT AND
SATURDAY.
TODAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....MAX 76.
MIN HUMIDITY........MIN 35 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 5 MPH OR LESS INCREASING TO
SOUTHWEST 5 TO 10 MPH.
HAINES INDEX........5 TO 6...OR MODERATE TO HIGH POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
TRANSPORT WINDS.....SOUTHWEST 3 TO 10 MPH.
VENTILATION INDEX...FAIR (291).
LAL.................1.
MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 2700 FT AGL AT
IGNITION...THEN INCREASING TO 3900-5200 FT
AGL IN THE AFTERNOON AND DECREASING TO 2700 FT
AGL EARLY IN THE EVENING.
TIME (EDT) 11 AM 1 PM 3 PM 5 PM 7 PM
SKY (%).........17 27 29 30 31
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TEMP............67 74 75 75 74
RH..............45 36 37 42 44
20 FOOT WIND....W 5 SW 5 SW 6 SW 7 S 7
20 FOOT GUST.... 10 15 15
HAINES INDEX....4 5 5 4 5
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A
CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....MIN 60.
MAX HUMIDITY........MAX 97 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS AFTER
MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH SHIFTING TO THE WEST 17
TO 31 MPH BY MIDNIGHT.
VENTILATION INDEX...POOR (26).
TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM
SKY (%).........31 46 65 80 78 75
WEATHER COV..... S CHC S CHC CHANCE
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR
TEMP............74 69 65 63 62 60
RH..............44 56 70 80 87 97
20 FOOT WIND....S 7 S 6 S 6 S 7 S 6 S 7
20 FOOT GUST....15 10 10 10 10 10
FRIDAY
SKY/WEATHER.........PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS.
MAX TEMPERATURE.....MAX 77.
MIN HUMIDITY........MIN 63 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 6 TO 11 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM
SKY (%).........73 72 71 70 68 65
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............64 69 74 76 76 76
RH..............88 76 66 63 65 66
20 FOOT WIND....SW 7 SW 8 SW 10 SW 10 SW 10 SW 9
20 FOOT GUST....15 15 20 20 20 15
FORECASTER...DLG/JLA
REQUESTED BY...GARY LINDSAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20080724.MARSH.01/MQT
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