Spot Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
000
FNUS73 KMQT 251236
FWSMQT
Spot Forecast for Lake LeVasseur Rx Burn...MI DNR
National Weather Service Marquette MI
836 AM EDT Thu Apr 25 2024
Forecast is based on ignition time of 1100 EDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Sunny skies will prevail today, and with high pressure
slipping east of the area, light southerly winds are expected through
at least the beginning of the burn. However, with these winds being
light and given the close proximity of the burn site to Lake
Superior, there is the potential for a lake breeze to reach the site
this afternoon. If the lake breeze does push onshore, it would occur
between 1 PM and 5 PM, resulting in a wind shift to the east to
possibly northeast at 5 to 10 mph. Late in the day, around 6 PM, the
Lake Michigan lake breeze should pass, bringing a temporary
increase in south-southeast winds to around 10 mph with gusts up to
15 mph. If the Lake Superior lake breeze reaches the burn site,
temperatures could fall back 5 degrees or so from what is indicated
in the forecast below with relative humidity making a corresponding
increase. Southeast to south winds will prevail tonight at around 10
mph with RH recovery to around 77 percent. Southerly winds gusting up
to around 25 mph are expected on Friday with minimum RH just under
40 percent. Showers will arrive Friday night.
.REST OF TODAY...
Sky/weather.........Sunny (0-5 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........46 at ignition...Max 55.
RH..................41 percent at ignition...Min 30 percent.
Dewpoint............23.
33-foot winds.......Winds south at 7 mph at ignition...otherwise
South winds around 7 mph shifting to the
southeast 8 to 10 mph late in the afternoon.
20-foot winds.......South winds around 6 mph shifting to the
southeast 6 to 8 mph late in the afternoon.
Mixing height.......2400 ft AGL at ignition...otherwise 2400-4200
ft AGL increasing to 4900-5500 ft AGL late in
the afternoon.
Ventilation index...Fair (171) at ignition. Max...good (328.0).
Haines Index........5 or moderate potential for large plume
dominated fire growth at ignition...max 5.
Rainfall amount.....0.00 inches.
Ceiling (kft).......25.
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0 0 0 0 0 0 0
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1
Temp............46 50 51 52 53 54 54
Dewpoint........24 23 23 22 23 24 25
RH..............41 35 32 30 30 31 32
33 ft wind dir..S SE SE SE SE SE SE
33 ft wind spd..7 7 7 7 10 10 10
20 ft wind dir..S SE SE SE SE SE SE
20 ft wind spd..6 6 6 6 8 8 8
Wind gust.......7 8 8 8 10 10 12
Mix hgt (kft)...2.4 3.4 4.2 4.9 5.3 5.5 5.2
Haines index....5 5 5 5 5 5 5
VIndx kt-ft/100.17 20 25 29 32 33 31
Ceiling (kft)...25 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Clear (0-5 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........Min 32.
RH..................Max 77 percent.
Dewpoint............26.
33-foot winds.......South winds 9 to 12 mph.
20-foot winds.......South winds 7 to 10 mph.
Mixing height.......3200-4300 ft AGL decreasing to 200-2100 ft AGL
early in the evening.
Ventilation index...Poor to good (37.0-348.0).
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Rainfall amount.....0.00 inches.
Ceiling (kft).......25 decreasing to 21 after 3 am.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........0 0 0 1 1 2 2 3 3 3 3 3
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............52 51 49 45 42 39 38 37 35 34 34 33
Dewpoint........25 26 27 27 27 26 26 26 26 26 26 27
RH..............35 37 41 48 54 60 61 65 70 72 73 77
33 ft wind dir..SE SE SE S S S S S S S S S
33 ft wind spd..12 12 12 12 12 12 10 10 10 10 10 10
20 ft wind dir..SE SE SE S S S S S S S S S
20 ft wind spd..10 10 10 10 10 10 8 8 8 8 8 8
Wind gust.......14 14 14 13 13 13 12 12 12 11 11 11
Mix hgt (kft)...4.3 3.2 2.1 1.5 1.0 0.6 0.4 0.3 0.3 0.2 0.2 0.3
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
VIndx kt-ft/100.35 32 24 17 12 9 6 4 4 4 4 5
Ceiling (kft)...25 25 25 25 25 25 25 25 25 21 21 21
.FRIDAY...
Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........Max 55.
RH..................Min 39 percent.
Dewpoint............29.
33-foot winds.......South winds 9 to 17 mph. Gusts up to 28 mph in
the late morning and afternoon.
20-foot winds.......South winds 7 to 14 mph. Gusts up to 28 mph in
the late morning and afternoon.
Mixing height.......100-1900 ft AGL increasing to 2800-3700 ft AGL
late in the morning.
Ventilation index...Poor to fair (10.0-238.0) increasing to
excellent (1000.0).
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
Rainfall amount.....0.00 inches.
Ceiling (kft).......19 decreasing to 18 early in the afternoon.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........3 3 6 12 21 33
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0
LAL.............1 1 1 1 1 1
Temp............34 36 45 51 54 54
Dewpoint........27 27 29 29 29 30
RH..............75 71 54 44 39 40
33 ft wind......S 10 S 10 S 15 S 17 S 17 S 17
20 ft wind......S 8 S 8 S 12 S 14 S 14 S 14
Wind gust.......13 13 18 22 22 22
Mix hgt (ft)....100 300 1900 3200 3500 3700
Haines index....5 4 4 4 4 4
VIndx kt-ft/100.2 6 52 96 105 109
Ceiling (kft)...21 21 20 19 18 18
$$
Forecaster...Rolfson
Requested by...Rob Shields
Type of request...PRESCRIBED
.TAG 2412420.0/MQT
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL shieldsr1@michigan.gov
- National Weather Service
- Grand Rapids, MI Weather Forecast Office
- 4899 Tim Dougherty Drive SE
- Grand Rapids, MI 49512-4034
- 616-949-0643
- Page Author: GRR Webmaster
- Web Master's E-mail: w-grr.webmaster@noaa.gov
- Page last modified: Sep 19th, 2023 19:10 UTC