309
FNUS73 KDLH 091833
FWSDLH

Spot Forecast for DCWA RX...Wisconsin DNR
National Weather Service Duluth MN
133 PM CDT Thu May 9 2024

Forecast is based on ignition time of 1300 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...

Updated forecast to reflect slightly stronger winds and wind
direction being more northerly than northeasterly. The winds have
likely peaked in terms of strength and are anticipated to
gradually weaken through the afternoon hours. Relative humidity
values will continue to fall over the next 2-3 hours to around 35
percent at the lowest. Smoke dispersal remains excellent.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 59.
Min humidity........35 percent.
Wind (20 ft)........Northeast winds 10 to 13 mph.
Mixing height.......4500 ft AGL.
Transport winds.....Northeast 16 to 18 mph.
Smoke dispersal.....Excellent (60200-68200 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0
LAL.............1   1   1   1   1
Temp............59  58  57  57  57
RH..............42  40  38  37  35
20 FT wind dir..N   N   NE  NE  NE
20 FT wind spd..13  14  12  11  10
20 FT wind gust.20  19  18  18  15
Mix hgt (kft)...4.2 4.5 4.5 4.5 4.3
Transp wind dir.N   N   N   N   NE
Transp wind spd.18  17  17  16  16
Haines index....4   4   4   4   4
SDspl kt-ft/100067  68  68  62  60

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent). Areas of frost
                    overnight. Widespread frost overnight.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 30.
Max humidity........96 percent.
Wind (20 ft)........Northeast winds 5 to 9 mph in the evening
                    becoming light.
Mixing height.......3900 ft AGL decreasing to 1800 ft AGL early in
                    the evening.
Transport winds.....Northeast 5 to 14 mph decreasing to around 3
                    mph overnight, then shifting to the south 3 to
                    5 mph after 3 am.
Smoke dispersal.....Fair to good (27900-46900 knot-ft) decreasing
                    to poor to fair (900-14000 knot-ft) early in
                    the evening.
Haines Index........4 or 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.......CLEAR  CLEAR  CLEAR  MCLEAR MCLEAR MCLEAR
Weather cov.....                     AREAS  WIDSPD WIDSPD
Weather type....NONE   NONE   NONE   FROST  FROST  FROST
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............55     50     40     36     34     32
RH..............41     50     73     82     85     88
20 ft wind......NE 9   NE 6   NE 4   NE 2   N 1    S 2
20 ft wind gust.14     11     6      5      2
Mix hgt (ft)....3900   1800   400    400    400    300
Transport wind..NE 14  NE 9   NE 7   NE 6   NE 3   S 3
Haines index....4      4      4      4      4      4
SDspl kt-ft/100047     14     3      2      1      1

.FRIDAY...

Sky/weather.........Sunny (10-20 percent) then becoming partly
                    sunny (50-60 percent). Widespread frost early
                    in the morning. Chance of rain showers in the
                    morning, then rain showers and chance of
                    thunderstorms in the afternoon.
Chance of pcpn......80 percent.
LAL.................1 until 1300, then 3 until 1600, then 2.
Max temperature.....Around 64.
Min humidity........47 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 9 mph early
                    in the morning, then shifting to the west
                    around 9 mph early in the afternoon shifting to
                    the northwest 10 to 12 mph late in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms early in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
Mixing height.......2200 ft AGL increasing to 3300 ft AGL in the
                    afternoon.
Transport winds.....Southwest 5 to 13 mph shifting to the west 10
                    to 13 mph early in the afternoon, then shifting
                    to the northwest 15 to 20 mph late in the
                    afternoon.
Smoke dispersal.....Poor to fair (1200-19200 knot-ft) increasing to
                    good (38400-52300 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Pcpn amount.........0.12 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR MCLEAR MCLDY  MCLDY  MCLDY  PCLDY
Weather cov.....WIDSPD        S CHC  CHANCE DEFNTE LIKELY
Weather type....FROST  NONE   RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........                            CHANCE S CHC
Chc of pcpn (%).0      10     20     50     80     60
LAL.............1      1      1      1      3      2
Temp............31     39     53     59     61     61
RH..............96     79     50     47     49     51
20 ft wind......S 2    S 4    SW 7   SW 9   W 9    NW 10
20 ft wind gust.3      6      12     13     15     16
Mix hgt (ft)....300    700    1800   2200   3300   3100
Transport wind..SW 5   SW 8   SW 12  W 13   W 12   NW 20
Haines index....4      4      4      4      4      4
SDspl kt-ft/10001      5      19     24     33     52

$$
Forecaster...Joe
Requested by...Zak Neitzel
Type of request...PRESCRIBED
.TAG 2413562.0/DLH
.DELDT 05/09/24
.FormatterVersion 2.0.0
.EMAIL zachary.neitzel@wisconsin.gov