Spot Forecast
Issued by NWS Duluth, MN

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FNUS73 KDLH 081950
FWSDLH

Spot Forecast for Seagull Helispot Rx...USFS
National Weather Service Duluth MN
Issued by National Weather Service Twin Cities/Chanhassen MN
250 PM CDT Wed May 8 2024

Forecast is based on ignition time of 0800 CDT on May 09.
If there are questions or concerns with this forecast, or if
conditions become unrepresentative, contact the National
Weather Service in Duluth at 218-729-0653.

.DISCUSSION...For the Seagull Helispot Rx burn, mostly sunny skies
are expected throughout the day with northeast winds 10kts or
less. Temperatures will start out in the upper 30s with highs near
60. RH values will fall into the 30-35% range in the afternoon.

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........39 at ignition...Max 59.
RH..................73 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds northeast at 7 mph at
                    ignition...otherwise Northeast winds 6 to 7
                    mph.
Mixing height.......2300 ft AGL at ignition...otherwise 4100 ft AGL
                    increasing to 5400 ft AGL in the afternoon.
Transport winds.....Northeast 8 to 14 mph.
Smoke dispersal.....Fair /27600 knot-ft/ at ignition. Max...good
                    /41700 knot-ft/.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 3.
Pcpn amount.........0.00 inches.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  PC  PC  PC  PC  MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............39  41  47  49  51  54  56  57  57  58
RH..............73  66  53  50  46  40  37  37  36  34
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..7   7   7   7   6   6   6   6   6   5
20 FT wind gust.13  11  12  11  11  11  9   9   9   8
Mix hgt (kft)...2.3 3.0 3.7 4.1 4.5 4.8 5.1 5.2 5.4 5.4
Transp wind dir.E   E   E   NE  NE  NE  NE  NE  NE  NE
Transp wind spd.14  13  13  10  10  9   9   9   8   8
Haines index....3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100028  33  41  37  41  38  41  42  38  38

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........Min 35.
RH..................Max 76 percent.
Wind (20 ft)........East winds around 6 mph shifting to the south
                    in the late evening and overnight.
Mixing height.......4800 ft AGL decreasing to 500 ft AGL.
Transport winds.....Northeast around 7 mph shifting to the south 6
                    to 8 mph in the evening and overnight, then
                    shifting to the southwest around 8 mph after 3
                    am.
Smoke dispersal.....Fair (14100-28700 knot-ft) decreasing to poor
                    (1500-8300 knot-ft) early in the evening.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLEAR CLEAR  CLEAR  MCLEAR MCLEAR MCLEAR
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............57     52     42     38     36     36
RH..............37     43     62     71     74     76
20 ft wind......NE 5   S 4    S 5    SW 5   SW 5   SW 5
20 ft wind gust.7      7      8      8      7      8
Mix hgt (ft)....4800   1200   300    300    300    300
Transport wind..NE 7   S 8    S 6    S 6    SW 7   SW 8
Haines index....3      4      4      4      4      4
SDspl kt-ft/100029     8      2      2      2      2

.FRIDAY...

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
                    rain showers in the morning. Rain showers
                    likely and slight chance of thunderstorms in
                    the afternoon.
Chance of pcpn......60 percent.
LAL.................1 until 1300, then 2.
Temperature.........Max 61.
RH..................Min 47 percent.
Wind (20 ft)........Southwest winds 6 to 10 mph shifting to the
                    west 10 to 13 mph late in the afternoon. Gusty
                    and erratic winds expected near thunderstorms
                    in the afternoon.
Mixing height.......2100 ft AGL increasing to 4200 ft AGL late in
                    the morning.
Transport winds.....West 9 to 18 mph shifting to the northwest
                    around 20 mph in the afternoon.
Smoke dispersal.....Poor to fair (3300-17600 knot-ft) increasing to
                    good to excellent (57300-70800 knot-ft).
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.09 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR PCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....       S CHC  S CHC  S CHC  LIKELY LIKELY
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........                            S CHC  S CHC
Chc of pcpn (%).0      20     20     20     60     60
LAL.............1      1      1      1      2      2
Temp............37     43     52     57     59     59
RH..............76     65     52     48     47     48
20 ft wind......SW 6   SW 7   W 8    W 9    W 10   NW 10
20 ft wind gust.9      12     13     14     15     15
Mix hgt (ft)....400    1000   2100   2900   3700   4200
Transport wind..W 9    W 12   W 15   W 18   NW 20  NW 20
Haines index....4      4      4      4      3      3
SDspl kt-ft/10003      10     27     47     64     71

$$
Forecaster...WFO MPX
Requested by...Drew Augustyn
Type of request...PRESCRIBED
.TAG 2413508.0/DLH
.DELDT 05/08/24
.FormatterVersion 2.0.0
.EMAIL andrew.augustyn@usda.gov