316
FNUS73 KMPX 041415
FWSMPX

Spot Forecast for Bolson Slough RX...USFWS
National Weather Service Twin Cities/Chanhassen MN
915 AM CDT Sat May 4 2024

Forecast is based on ignition time of 1000 CDT on May 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...
For Bolson Slough RX, Showers have ended and skies cleared out. We`ll
see RH values remain in the 70 to 80% through late morning before
RH settles in the 45 to 55% range by mid afternoon. Scattered
clouds should redevelop this afternoon, but it`ll likely remain
mostly sunny. Northwesterly winds will be between 5 to 10mph
with sporadic gusts up to 15mph this afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Temperature.........50 at ignition...Max 62.
RH..................74 percent at ignition...Min 46 percent.
Wind (20 ft)........Winds northwest at 9 mph at
                    ignition...otherwise Northwest winds 9 to 13
                    mph.
Smoke dispersal.....Fair /26700 knot-ft/ at ignition.
                    Max...excellent /106100 knot-ft/.
Mixing height.......2400 ft AGL at ignition...otherwise 6400 ft
                    AGL.
Transport winds.....Northwest 13 to 20 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 3.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
Sky cover.......PC  PC  MC  PC  PC  PC  MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............50  52  55  58  59  60  61  60  60  59  55  52
RH..............74  69  59  53  49  47  46  47  46  47  57  61
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W
20 FT wind spd..9   10  10  13  13  13  12  10  9   7   6   6
20 FT wind gust.14  15  16  18  18  18  18  17  15  13  10  8
Mix hgt (kft)...2.4 4.0 5.2 6.1 6.2 6.2 6.4 6.3 4.9 2.4 0.5 0.5
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W
Transp wind spd.13  17  18  18  20  20  18  17  15  10  7   8
Haines index....3   3   3   3   3   3   3   3   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Temperature.........Min 39.
RH..................Max 92 percent.
Wind (20 ft)........Northwest winds 5 to 9 mph shifting to the
                    southwest 5 to 6 mph overnight.
Smoke dispersal.....Excellent (63700 knot-ft) early in the evening
                    decreasing to poor (1500 knot-ft) late in the
                    night.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 6 to 15 mph decreasing to around 5
                    mph after 3 am, then shifting to the southwest
                    early in the morning.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent). Patchy fog early in the
                    morning.
Temperature.........Max 69.
RH..................Min 36 percent.
Wind (20 ft)........South winds 5 to 7 mph shifting to the
                    southeast 7 to 12 mph in the afternoon.
Smoke dispersal.....Poor (1700 knot-ft) early in the morning
                    increasing to excellent (78400 knot-ft) in the
                    afternoon.
Mixing height.......5600 ft AGL.
Transport winds.....South 6 to 14 mph increasing to 16 to 17 mph
                    late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Hewett
Requested by...Kyle Avesing
Type of request...PRESCRIBED
.TAG 2413140.0/MPX
.DELDT 05/04/24
.FormatterVersion 2.0.0
.EMAIL kyle_avesing@fws.gov