099  
FNUS74 KMEG 131918  
FWSMEG  
 
SPOT FORECAST FOR COMPARTMENT 98...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE MEMPHIS TN  
218 PM CDT TUE APR 13 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LIGHT AND VARIABLE WINDS WILL PREVAIL THROUGHOUT THE REST OF THE AFTERNOON.  
WETTING RAIN CHANCES WILL INCREASE A FEW HOURS AFTER SUNRISE ON WEDNESDAY  
AND PREVAIL THROUGH TOMORROW EVENING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......6100 FT AGL.  
MIXING HEIGHT (M)...1280-1859 METERS AGL.  
TRANSPORT WINDS M/S.SOUTH 1 TO 2 METERS/SECOND.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY (%).........59 48 37  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............10 10 10  
CHC OF PCPN (%).10 10 10  
TEMP............80 80 80  
RH..............39 36 36  
20 FT WIND DIR..S S S  
20 FT WIND SPD..2 2 2  
20 FT WIND GUST.  
MIX HGT (KFT)...6.1 5.8 4.2  
MIX HGT (KM)....1.9 1.8 1.3  
TRANS WIND DIR..S S S  
TRANS SPD (M/S).2 2 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS AFTER 3 AM.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER 3 AM.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......0 FT AGL.  
MIXING HEIGHT (M)...0-640 METERS AGL.  
TRANSPORT WINDS M/S.SOUTH AROUND 0 METERS/SECOND SHIFTING TO THE  
SOUTHEAST EARLY IN THE EVENING, THEN SHIFTING  
TO THE NORTHEAST 1 TO 2 METERS/SECOND LATE IN  
THE EVENING SHIFTING TO THE NORTH OVERNIGHT.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........31 29 15 21 11 9 15 22 24 28 63 66  
WEATHER COV..... SCH SCH  
WEATHER TYPE.... RW RW  
TSTM COV........  
CWR.............10 10 0 0 0 0 0 0 10 10 20 20  
CHC OF PCPN (%).10 10 0 0 0 0 0 0 10 10 20 20  
TEMP............79 75 69 66 64 62 59 58 57 56 55 55  
RH..............38 46 61 68 73 75 80 83 83 83 86 86  
20 FT WIND DIR..W N N N N NE N N N N N N  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 3  
20 FT WIND GUST. 4 4 4 4 4 4 6  
MIX HGT (KFT)...2.1 0.3 0.1 0.1 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
MIX HGT (KM)....0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANS WIND DIR..S SE SE NE N N N N N N NW N  
TRANS SPD (M/S).0 0 0 1 2 2 2 1 1 1 1 1  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS  
LIKELY IN THE MORNING, THEN RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
CWR.................30 PERCENT INCREASING TO 40 PERCENT EARLY IN  
THE MORNING, THEN INCREASING TO 50 PERCENT LATE  
IN THE MORNING INCREASING TO 60 PERCENT LATE IN  
THE MORNING INCREASING TO 80 PERCENT DECREASING  
TO 70 PERCENT LATE IN THE AFTERNOON DECREASING  
TO 60 PERCENT DECREASING TO 50 PERCENT LATE IN  
THE AFTERNOON.  
CHANCE OF PCPN......80 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........58 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
AFTERNOON.  
MIXING HEIGHT.......1600 FT AGL.  
MIXING HEIGHT (M)...122-488 METERS AGL.  
TRANSPORT WINDS M/S.SOUTHEAST 1 TO 4 METERS/SECOND SHIFTING TO THE  
NORTHEAST 4 TO 5 METERS/SECOND IN THE LATE  
MORNING AND AFTERNOON.  
RAINFALL AMOUNT.....0.31 INCHES.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........63 68 84 93  
WEATHER COV.....CHANCE CHANCE LIKELY LIKELY  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC  
CWR.............30 40 60 70  
CHC OF PCPN (%).30 40 60 70  
TEMP............54 57 62 63  
RH..............86 80 65 60  
20 FT WIND......N 3G6 NE 6G7 NE 6G7 NE 5G6  
MIX HGT (FT)....400 1200 1600 1500  
MIX HGT (M).....120 370 490 460  
TRAN WIND (M/S).N 2 NE 4 NE 5 NE 5  
 

 
FORECASTER...CHIUPPI  
REQUESTED BY...JEN NEPPL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2108627.2/MEG  
.DELDT 04/13/21  
.FORMATTERVERSION 1.0.26  
.EMAIL JENNIFER.NEPPL@USDA.GOV  
 
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