272
FNUS72 KILM 211017
FWSILM

Spot Forecast for Phelps Power...NCWRC
National Weather Service Wilmington NC
617 AM EDT Wed Oct 21 2026

Forecast is based on ignition time of 0700 EDT on October 21.
If conditions become unrepresentative...or if you have questions
or concerns about this forecast...contact the National Weather
Service in Wilmington at 910-762-1374.

.DISCUSSION...
High pressure will prevail across the eastern US this week while
strong low pressure drifts off the mid-Atlantic coast. Very dry
air aloft will result in minimum RH values below 30 percent today
through Thursday. Steady north winds, dry weather, and cool
temperatures will continue through the end of the week. Winds will
pick up again this weekend as strong high pressure builds in from
the north.

Wind profile analysis/fire control over flat terrain is Favorable.

Fog potential for tonight is Low.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 74.
Min humidity........29 percent.
Wind (20 ft)........Light winds becoming north 5 to 8 mph in the
                    late morning and afternoon.
Max mixing hgt......3700 ft AGL.
Transport winds.....North 12 to 17 mph.
Max vent rate.......Good (62230 mph-ft).

TIME (EDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........0      0      0      0      0      0
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............46     52     64     71     73     72
RH..............86     75     52     34     29     32
20 ft wind......N 3    N 5    N 8    N 7    N 7    N 5
20 ft wind gust.7      9      13     12     11     8
Mix hgt (ft)....400    800    2100   3300   3600   3500
Transport wind..N 12   N 16   N 16   N 17   N 16   N 15
Vrate mph-ft/1K.5      14     34     56     58     52
Ventrate Cat....POOR   POOR   POOR   FAIR   FAIR   FAIR

.TONIGHT...

Sky/weather.........Clear (0-5 percent).
Min temperature.....Around 41.
Max humidity........88 percent.
Wind (20 ft)........Light winds.
Min mixing hgt......400 ft AGL.
Transport winds.....North 9 to 12 mph.
Min vent rate.......Poor (3719 mph-ft).

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........0      0      0      4      2      2
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............67     58     54     51     48     45
RH..............39     56     65     71     78     84
20 ft wind......N 3    N 2    N 2    N 1    N 1    N 1
20 ft wind gust.6      5      4      2      2      3
Mix hgt (ft)....1100   400    400    400    400    400
Transport wind..N 12   N 10   N 9    N 9    N 9    N 9
Vrate mph-ft/1K.13     5      4      4      4      4
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.THURSDAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 73.
Min humidity........31 percent.
Wind (20 ft)........Light winds becoming north 5 to 6 mph late in
                    the morning, then becoming light late in the
                    afternoon.
Max mixing hgt......4100 ft AGL.
Transport winds.....North 9 to 14 mph.
Max vent rate.......Fair (50711 mph-ft).

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........0      0      0      0      0      1
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............44     43     56     66     72     72
RH..............87     88     57     39     31     32
20 ft wind......N 2    N 3    N 3    N 6    N 6    N 5
20 ft wind gust.4      5      6      9      9      7
Mix hgt (ft)....400    400    1300   2800   3700   4100
Transport wind..N 9    N 9    N 12   N 14   N 13   N 12
Vrate mph-ft/1K.4      4      15     38     47     47
Ventrate Cat....POOR   POOR   POOR   POOR   FAIR   FAIR

$$
Forecaster...Bacon
Requested by...Hewett
Type of request...PRESCRIBED
.TAG 2624217.0/ILM
.DELDT 10/21/26
.FormatterVersion 2.0.0
.EMAIL travis.hewett@ncwildlife.gov