139
FNUS71 KILN 181300 AAA
FWSILN

Spot Forecast for Spillway...UPDATED
National Weather Service Wilmington OH
900 AM EDT Wed Sep 18 2024

Forecast is based on ignition time of 1100 EDT on September 18.
Please contact our office if you have questions or concerns
with this forecast.

.DISCUSSION...
Updated forecast to lower humidity forecast this afernoon.
Light northeast winds are expected today under a mix of clouds
and sunshine. While an isolated sprinkle cannot be completely
ruled out, dry weather is expected. Somewhat higher low level
moisture in comparison to recent days, with humidity expected
to fall back into the 40-45% range.  Light winds
are expected again tomorrow, with temperatures warming well
into the 80s which will allow daytime humidity to fall back into 40
to 45% range.

.REST OF TODAY...

Sky/weather.........Partly cloudy. (30-40 percent).
Chance of pcpn......5 percent.
Max temperature.....Around 84.
Min humidity........42 percent.
Wind (20 ft)........Northeast winds 5 to 6 mph.
Mixing height.......6300 ft AGL.
Transport winds.....Northeast 7 to 9 mph.
Haines Index........4 or low potential for large plume
                    dominated fire growth.

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........50  45  42  40  38  29  26
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0
Temp............75  78  80  82  83  83  84
RH..............61  55  52  48  44  42  43
20 FT wind dir..E   NE  NE  NE  NE  NE  NE
20 FT wind spd..6   6   6   6   6   6   5
20 FT wind gust.8   8   7   7           6
Mix hgt (kft)...3.0 4.3 5.2 5.9 6.3 6.3 5.8
Transp wind dir.E   NE  NE  NE  NE  NE  NE
Transp wind spd.9   9   9   8   8   7   7
Haines index....3   3   3   3   3   4   4

.TONIGHT...

Sky/weather.........Mostly clear. Patchy fog. (15-25 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 61.
Max humidity........98 percent.
Wind (20 ft)........Light winds.
Mixing height.......200 ft AGL.
Transport winds.....East 5 to 7 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........27  28  17  20  23  26  22  18  14  14  14  14
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............83  81  78  73  71  68  67  66  65  64  63  63
RH..............45  47  53  63  69  77  81  86  90  93  93  93
20 FT wind dir..NE  NE  N   NE  NE  NE  NE  NE  E   E   E   E
20 FT wind spd..4   4   4   3   2   1   1   2   2   2   2   2
20 FT wind gust.5       5   5   5   5   5   6   6   6   6   6
Mix hgt (kft)...4.5 1.3 0.2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.E   NE  E   NE  NE  NE  E   E   E   E   E   E
Transp wind spd.6   5   5   7   6   6   7   7   6   7   6   6
Haines index....3   4   4   4   4   4   4   4   4   4   4   4

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 86.
Min humidity........41 percent.
Wind (20 ft)........Light winds.
Mixing height.......6400 ft AGL.
Transport winds.....East 3 to 6 mph shifting to the north 5 to 7
                    mph in the late morning and afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........18  23  27  25  24  22  19  16  13  12  12  11
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............62  61  62  65  73  78  80  83  85  85  86  86
RH..............97  97  93  87  71  62  56  51  46  45  43  42
20 FT wind dir..E   E   E   E   NE  NE  NE  N   N   N   N   N
20 FT wind spd..2   1   1   1   2   2   2   3   3   3   3   3
20 FT wind gust.6   5   5   5   5   6   6   6   6   6   6   6
Mix hgt (kft)...0.4 0.4 0.4 0.4 1.2 2.7 4.9 5.5 6.1 6.2 6.3 6.4
Transp wind dir.E   E   NE  NE  NE  N   N   N   N   N   N   N
Transp wind spd.6   3   5   5   5   7   7   7   6   6   7   7
Haines index....4   4   5   5   5   5   5   5   5   5   5   5

$$
Forecaster...Binau
Requested by...Casey Mefford
Type of request...PRESCRIBED
.TAG 2422660.0/ILN
.DELDT 09/18/24
.FormatterVersion 2.0.0
.EMAIL casey_mefford@fws.gov