058  
FNUS74 KMRX 180823  
FWSMRX  
 
SPOT FORECAST FOR TN-CNF NZ OTHERSIDE...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
423 AM EDT THU APR 18 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON APRIL 18.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE...AT 1-800-697-0075. IF POSSIBLE...PLEASE PROVIDE FEEDBACK  
FOR EVERY SPOT FORECAST REQUEST.  
 
...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON EDT  
FRIDAY...  
   
DISCUSSION
 
 
TODAY WILL FEATURE WARMER TEMPERATURES WITH SOUTHERLY  
WIND FLOW. WINDS WILL STRENGTHEN AND BECOME GUSTY, ESPECIALLY  
OVER SOME OF THE HIGHER ELEVATIONS AND FOOTHILLS. IN ADDITION,  
RELATIVE HUMIDITY VALUES WILL DIP INTO THE 30S THIS AFTERNOON  
ESPECIALLY ACROSS THE NORTHERN AND PARTS OF THE CENTRAL TENNESSEE  
VALLEY AND INTO SOUTHWEST VIRGINIA.  
 
TONIGHT AN APPROACHING AREA OF LOW PRESSURE WILL BRING  
INCREASING CHANCES OF RAINFALL WITH SOME THUNDERSTORMS ALSO  
POSSIBLE. IT WILL TURN COOLER FRIDAY INTO SATURDAY WITH SOME  
LINGERING PRECIPITATION. DRY WEATHER AND SEASONABLE TEMPERATURES  
ARE FORECAST FOR EASTER SUNDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY TO MOSTLY SUNNY.  
MAX TEMPERATURE.....66 TO 71.  
MIN HUMIDITY........47 TO 52 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT MSL...6200 FT MSL.  
BOTTOM MIX HGT AGL..2800 FT AGL.  
TOP MIX HGT AGL.....2600 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 28 MPH.  
DISPERSION..........62.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........61 60 50 40 30 31 32 33 40 47 54 59 64  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............53 53 56 59 62 64 65 66 67 68 68 68 67  
RH..............64 64 62 60 58 56 56 56 54 52 49 52 55  
20 FT WIND DIR..S S S S S S S S S S S S S  
20 FT WIND SPD..7 6 5 5 6 7 9 12 14 16 18 20 24  
20 FT WIND GUST.10 7 6 6 7 11 14 18 21 26 29 33 35  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
EVENING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS OVERNIGHT.  
MIN TEMPERATURE.....51 TO 56.  
MAX HUMIDITY........90 TO 95 PERCENT.  
WIND (20 FT)........BREEZY. SOUTH WINDS 21 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS OVERNIGHT.  
MIXING HEIGHT MSL...DECREASING TO JUST ABOVE SURFACE.  
RAINFALL AMOUNT.....0.15 TO 0.25 INCHES.  
 
TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM  
SKY (%).........69 77 84 92 90 89 87 88 89 90 91 93  
WEATHER COV..... SCH CHC CHC CHC LKY LKY DEF DEF  
WEATHER TYPE.... RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
TEMP............66 64 63 62 61 60 59 59 58 58 57 56  
RH..............63 67 70 72 75 81 83 83 83 83 86 90  
20 FT WIND DIR..SE SE SE SE SE S S S S S S S  
20 FT WIND SPD..21 21 21 21 22 24 25 25 25 25 25 23  
20 FT WIND GUST.32 32 32 32 33 36 38 38 38 38 38 35  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY. RAIN SHOWERS EARLY IN THE MORNING.  
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY.  
RAIN SHOWERS LIKELY IN THE LATE MORNING AND  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........67 PERCENT.  
WIND (20 FT)........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
35 MPH SHIFTING TO THE SOUTHWEST 7 TO 12 MPH  
WITH GUSTS TO AROUND 18 MPH IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
MIXING HEIGHT MSL...4300 FT MSL.  
BOTTOM MIX HGT AGL..900 FT AGL.  
TOP MIX HGT AGL.....700 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 22 MPH.  
DISPERSION..........15.  
RAINFALL AMOUNT.....0.75 TO 1 INCH.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........94 95 97 98 96 95 93 90 87 84 86 91  
WEATHER COV.....DEF DEF DEF LKY LKY LKY LKY LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
TEMP............56 58 59 60 61 61 62 62 63 62 61 59  
RH..............90 86 83 78 75 75 70 70 67 67 67 69  
20 FT WIND DIR..S S S S S S S S S S SW W  
20 FT WIND SPD..22 22 22 21 18 15 12 12 10 10 9 7  
20 FT WIND GUST.33 33 33 32 28 22 18 17 16 17 16 13  
 

 
FORECASTER...LYLE WILSON  
REQUESTED BY...JOHN INGRAM  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1906442.1/MRX  
.DELDT 04/18/19  
.FORMATTERVERSION 1.0.26  
.EMAIL JBINGRAM@FS.FED.US,RYANBHOKINS@FS.FED.US  
 
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