Spot Forecast
Issued by NWS Wilmington, OH

000
FNUS71 KILN 221635
FWSILN

Spot Forecast for Chi West Unit...The Nature Conservancy - OH
National Weather Service Wilmington OH
1235 PM EDT Mon Apr 22 2024

Forecast is based on ignition time of 0800 EDT on April 23.
Please contact our office if you have questions or concerns
with this forecast.

.DISCUSSION...
High pressure will shift off to the southeast through the day,
leading to dry conditions and some moderation in temperatures. A
chance of showers will return Tuesday into Tuesday night as an upper
level disturbance moves through the region.

.TUESDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    mostly cloudy (70-80 percent). Slight chance of
                    rain showers late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 69.
Min humidity........37 percent.
Wind (20 ft)........Southwest winds 7 to 12 mph.
Mixing height.......5500 ft AGL.
Transport winds.....Southwest 13 to 21 mph increasing to 25 to 29
                    mph late in the morning.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32  24  21  25  35  48  60  68  73  77
Weather cov.....                                    SCH
Weather type....                                    RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   10  20
Temp............46  51  56  60  63  65  67  67  68  69
RH..............63  56  51  46  43  40  37  37  37  39
20 FT wind dir..S   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..6   9   10  9   10  10  11  11  11  12
20 FT wind gust.10  14  14  14  14  14  16  18  18  18
Mix hgt (kft)...0.5 1.1 2.1 3.8 4.2 4.7 5.1 5.3 5.5 5.4
Transp wind dir.S   SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.13  17  21  25  25  26  26  28  29  29
Haines index....5   5   5   5   5   5   5   5   5   5

.TUESDAY NIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Rain showers in
                    the evening, then rain showers likely
                    overnight.
Chance of pcpn......90 percent.
Min temperature.....Around 49.
Max humidity........93 percent.
Wind (20 ft)........West winds 6 to 12 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 20 to 28 mph shifting to the west 13
                    to 16 mph early in the evening.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........82  87  91  94  96  97  96  94  90  85  80  75
Weather cov.....CHC CHC LKY LKY DEF DEF LKY CHC CHC SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).30  50  60  70  80  90  70  50  30  20  20  10
Temp............67  67  65  62  59  57  56  55  54  53  53  52
RH..............40  42  45  52  64  75  77  80  83  85  84  86
20 FT wind dir..SW  SW  SW  SW  SW  W   W   W   SW  SW  SW  W
20 FT wind spd..11  10  9   8   8   9   9   8   7   6   6   6
20 FT wind gust.17  14  14  12  12  14  14  13  11  10  8   8
Mix hgt (kft)...4.7 1.7 0.6 0.5 0.6 0.7 0.7 0.7 0.6 0.7 0.7 0.8
Transp wind dir.SW  SW  SW  W   W   W   W   W   W   W   W   W
Transp wind spd.28  20  16  15  15  14  14  13  13  13  14  14
Haines index....5   5   4   4   4   4   4   4   3   3   3   3

.WEDNESDAY...

Sky/weather.........Partly sunny (50-60 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 64.
Min humidity........46 percent.
Wind (20 ft)........Northwest winds 6 to 7 mph becoming around 7
                    mph late in the afternoon.
Mixing height.......4600 ft AGL.
Transport winds.....Northwest 13 to 14 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........72  70  65  64  63  62  60  57  52  46  39  33
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  0   0   0   0   0   0   0   0   0   0
Temp............52  51  50  52  55  57  59  60  62  63  63  64
RH..............88  91  93  85  78  72  65  59  54  51  49  46
20 FT wind dir..W   W   W   W   NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..6   6   6   6   6   6   6   7   7   7   7   7
20 FT wind gust.8   8   10  10  10  10  10  11  11  11  11  11
Mix hgt (kft)...1.0 1.2 1.5 1.8 2.2 2.6 3.2 3.8 4.4 4.5 4.5 4.6
Transp wind dir.W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.14  13  13  13  13  13  13  14  14  14  13  13
Haines index....3   3   3   3   3   3   3   3   3   3   3   3

$$
Forecaster...Lott
Requested by...Michael Hall
Type of request...PRESCRIBED
.TAG 2411748.0/ILN
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL michael.hall@tnc.org