Suppression Forecast
Issued by NWS Paducah, KY

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FNUS73 KPAH 171308
FWSPAH

Spot Forecast for AT11...DOD
National Weather Service Paducah KY
808 AM CDT Tue Apr 17 2018

Forecast is based on ignition time of 0900 CDT on April 17.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

After a frosty and cold start this morning, much warmer and
more seasonable air will build in across the region through
Wednesday, when another cold frontal passage will bring cooler
weather late in the week in addition to dry conditions.

.TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Temperature.........45 at ignition...Max 68.
RH..................61 percent at ignition...Min 40 percent.
Wind (20 ft)........
 Slope/valley.......Winds west at 5 mph at ignition...becoming
                    southwest 5 to 10 mph in the late morning
                    and afternoon.
Mixing height.......1700 ft AGL at ignition...increasing to
                    2400-3200 ft AGL in the late morning and
                    afternoon.
Transport winds.....West 4 to 9 mph shifting to the southwest 9 to
                    15 mph in the late morning and afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 4.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......MCLEAR MCLEAR PCLDY  PCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0
Temp............45     55     61     66     68
RH..............61     48     45     44     49
20 FT wind dir..W      W      SW     SW     SW
20 FT wind spd..5      7      9      10     10
20 FT wind gust.              10     15     15
Mix hgt (ft)....1700   2700   2800   3200   2400
Transp wind dir.W      W      SW     SW     SW
Transp wind spd.9      12     9      14     13
Haines index....3      3      2      2      4

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Temperature.........Min 55.
RH..................Max 84 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 6 to 9 mph.
Mixing height.......300-1500 ft AGL.
Transport winds.....Southwest 8 to 12 mph.
Haines Index........3 to 4 or very low to low potential for
                    large plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............67     63     60     58     57     56
RH..............53     60     65     68     71     77
20 FT wind dir..SW     SW     S      S      S      SW
20 FT wind spd..9      7      6      7      8      9
20 FT wind gust.10                          10     10
Mix hgt (ft)....1500   500    700    600    400    400
Transp wind dir.SW     SW     SW     SW     SW     SW
Transp wind spd.10     8      12     12     10     10
Haines index....4      4      4      4      4      3

.WEDNESDAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Temperature.........Max 74.
RH..................Min 42 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 10 to 18 mph. Gusts up to 30
                    mph.
Mixing height.......400-2100 ft AGL increasing to 2600-4400 ft AGL
                    in the late morning and afternoon.
Transport winds.....Southwest 14 to 21 mph increasing to 25 to 32
                    mph in the late morning and afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR PCLDY  PCLDY  MCLDY  MCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............55     59     66     71     74     74
RH..............80     73     63     59     52     47
20 FT wind dir..SW     SW     SW     SW     SW     SW
20 FT wind spd..10     13     16     17     18     18
20 FT wind gust.15     20     30     30     30     30
Mix hgt (ft)....400    1300   2700   2700   2900   3700
Transp wind dir.SW     SW     SW     SW     SW     SW
Transp wind spd.14     21     29     30     30     31
Haines index....3      3      2      2      2      2

$$
Forecaster...WFO PADUCAH
Requested by...John Paul Hart
Type of request...PRESCRIBED
.TAG 1806842.0/PAH
.EMAIL johnpaul.f.hart.civ@mail.mil



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