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000
FNUS73 KMPX 181339
FWSMPX

Spot Forecast for Lamprey Rx...MN DNR
National Weather Service Twin Cities/Chanhassen MN
839 AM CDT Thu Apr 18 2024

Forecast is based on ignition time of 0900 CDT on April 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

Please contact our office if you have questions or concerns with
this forecast.

.DISCUSSION...
For the Lamprey RX, expect skies to gradually clear out on the
heels of rain showers exiting the region. Relative humidity will
remain fairly high around 70 percent at ignition time dropping to
around 40 percent this afternoon as temperatures increase to the
mid 50s. Winds will be breezy out of the west at 10-15mph gusting
to around 25mph throughout the day, with peak gustiness during the
afternoon.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (35-45 percent).
Temperature.........45 at ignition...Max 54.
RH..................70 percent at ignition...Min 42 percent.
Wind (20 ft)........Winds west at 10 mph at ignition...otherwise
                    West winds 10 to 17 mph.
Smoke dispersal.....Good /37700 knot-ft/ at ignition.
                    Max...excellent /107900 knot-ft/ increasing to
                    excellent (143500 knot-ft) in the afternoon.
Mixing height.......2400 ft AGL at ignition...otherwise 6900 ft
                    AGL.
Transport winds.....West 18 to 26 mph increasing to 26 to 28 mph
                    late in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
Sky cover.......MC  MC  MC  MCR MCR PC  PC  MC  MC  MC  PC  MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............45  47  48  50  51  51  51  50  49  48  46  45
RH..............70  60  56  50  46  44  42  42  44  46  47  47
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..10  12  13  14  16  16  17  17  16  15  15  14
20 FT wind gust.15  17  20  21  23  24  25  26  24  23  22  21
Mix hgt (kft)...2.4 3.2 4.2 5.4 6.2 6.7 6.8 6.9 6.7 6.4 4.1 1.1
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.18  20  21  23  26  26  26  28  26  26  23  17
Haines index....4   4   4   4   4   4   4   4   4   4   4   4

.TONIGHT...

Sky/weather.........Mostly cloudy (45-55 percent) then becoming
                    mostly clear (20-30 percent).
Temperature.........Min 32.
RH..................Max 69 percent.
Wind (20 ft)........West winds 12 to 15 mph.
Smoke dispersal.....Excellent (81600 knot-ft) decreasing to fair
                    (16300 knot-ft) early in the evening decreasing
                    to poor (8000 knot-ft) late in the night early
                    in the evening.
Mixing height.......700 ft AGL.
Transport winds.....West 17 to 26 mph decreasing to 14 to 16 mph in
                    the late evening and overnight.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FRIDAY...

Sky/weather.........Mostly sunny (30-40 percent) then becoming
                    mostly cloudy (65-75 percent).
Temperature.........Max 45.
RH..................Min 40 percent.
Wind (20 ft)........West winds 13 to 20 mph.
Smoke dispersal.....Poor (10200 knot-ft) early in the morning
                    increasing to excellent (108100 knot-ft) in the
                    afternoon increasing to excellent (170400
                    knot-ft) in the late morning and afternoon.
Mixing height.......7300 ft AGL.
Transport winds.....West 15 to 21 mph increasing to 26 to 31 mph in
                    the late morning and afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Hasenstein
Requested by...Kevin Berens
Type of request...PRESCRIBED
.TAG 2411322.0/MPX
.DELDT 04/18/24
.FormatterVersion 2.0.0
.EMAIL kevin.berens@state.mn.us