Spot Forecast
Issued by NWS Grand Rapids, MI

000
FNUS73 KGRR 241625
FWSGRR

Spot Forecast for SE Peacock 10 RX...USFS
National Weather Service Grand Rapids MI
1225 PM EDT Wed Apr 24 2024

Forecast is based on ignition time of 1000 EDT on April 24.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (616) 949-5150, if you have questions
or concerns with this forecast.

.DISCUSSION...
Temperatures by late afternoon should reach the mid to upper 40s with
dew point temperatures dropping from the lower 30s at noon into the
upper teens. This will result in RH values dropping from around 50
percent at noon down to around 30 percent by late afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Temperature.........35 at ignition...Max 49.
RH..................69 percent at ignition...Min 26 percent.
Wind (20 ft)........Winds north at 10 mph at ignition...otherwise
                    North winds 6 to 10 mph.
Mixing height.......2800 ft AGL at ignition...otherwise 4800 ft
                    AGL.
Mixing winds........North 8 to 17 mph decreasing to around 7 mph in
                    the evening.
Smoke dispersal.....480 /good/ at ignition. Max...480 /good/.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 6.

TIME (EDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Sky (%).........47     1      1      1      1      1
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............35     41     46     48     48     43
RH..............69     50     37     27     27     35
20 ft wind......N 10   N 8    N 7    N 6    N 6    N 6
20 ft wind gust.13     10     10     8      8      10
Mix hgt (ft)....2800   3700   4400   4800   4700   2600
Mixing wind.....N 17   N 13   N 9    N 8    N 8    N 8
Haines index....5      5      6      6      6      5
Smoke disprsl...480    460    410    390    380    210

.TONIGHT...

Sky/weather.........Clear (0-10 percent). Widespread frost toward
                    daybreak.
Temperature.........Min 22.
RH..................Max 70 percent.
Wind (20 ft)........North winds around 6 mph shifting to the
                    southeast 5 to 7 mph after midnight.
Mixing height.......400 ft AGL.
Mixing winds........North 8 to 9 mph shifting to the southeast 7 to
                    10 mph after midnight.
Smoke dispersal.....210 (fair) early in the evening decreasing to
                    30 (poor) late in the night.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
Temperature.........Max 58.
RH..................Min 23 percent.
Wind (20 ft)........South winds 5 to 7 mph becoming around 6 mph in
                    the evening.
Mixing height.......6300 ft AGL.
Mixing winds........Southeast 6 to 8 mph shifting to the west
                    around 6 mph in the evening.
Smoke dispersal.....60 (poor) early in the morning increasing to
                    440 (good) in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

$$
Forecaster...Ostuno
Requested by...Joshua Nichols
Type of request...PRESCRIBED
.TAG 2411995.0/GRR
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL Joshua.nichols@usda.gov