792  
FNUS54 KMEG 220848  
FWFMEG  
 
FIRE WEATHER PLANNING FORECAST FOR THE MIDSOUTH  
NATIONAL WEATHER SERVICE MEMPHIS TN  
348 AM CDT SUN OCT 22 2017  
   
DISCUSSION
 
 
FOLLOWING WIDESPREAD WETTING RAINS TODAY, DRIER AND COOLER  
WEATHER WILL SETTLE INTO THE MIDSOUTH ON MONDAY AND PERSIST  
THROUGH MIDWEEK. PATCHY FROST WILL BE POSSIBLE NEAR THE  
TENNESSEE RIVER WEDNESDAY MORNING. A BRIEF WARM-UP AND  
MODERATING LEVELS OF HUMIDITY WILL OCCUR LATE WEDNESDAY  
AND THURSDAY, IN ADVANCE OF A STRONG COLD FRONTAL PASSAGE  
ON FRIDAY. WETTING RAINS WILL LIKELY OCCUR ALONG AND BEHIND  
THE FRONT FRIDAY INTO SATURDAY, FOLLOWED BY MUCH COOLER AND  
DRIER FOR NEXT SUNDAY AND THE EARLY PART OF THE FOLLOWING  
WEEK.  
 
ARZ008-009-017-018-026>028-MOZ113-115-222330-  
CLAY-CRAIGHEAD-DUNKLIN-GREENE-LAWRENCE-MISSISSIPPI-PEMISCOT-  
POINSETT-RANDOLPH-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY MCLDY MCLEAR  
PRECIP CHANCE (%) 100 20 0  
PRECIP TYPE TSTMS SHOWERS NONE  
PRECIP AMOUNT (IN) 0.67 0.03 0.00  
PRECIP DUR (HRS) 11 1  
PRECIP BEGINS 6 AM CONTINUING  
PRECIP ENDS CONTINUING 1 AM  
TEMP (24H TREND) 70 (-14) 50 (-16) 71  
RH % (24H TREND) 72 (+21) 93 (+4) 37  
AM 20 FT WIND (MPH) S 9-13 NW 4-8  
PM 20 FT WIND (MPH) W 6-10 N 4-8 NW 5-9  
MIXING HGT (M-AGL) 654 1566  
MIXING HGT (FT-AGL) 2145 5139  
MIXING HGT (M-MSL) 740 1654  
MIXING HGT (FT-MSL) 2427 5428  
TRANSPORT WND (M/S) NW 6 NW 7  
TRANSPORT WND (MPH) NW 14 NW 16  
VENT INDEX (M2/S) 4440 11578  
CATEGORY DAY 3 4  
500M MIX HGT TEMP (F) 67 63  
500M TSPT WIND (M/S) W 8 NW 6  
500M TSPT WIND (MPH) W 18 NW 13  
DISPERSION INDEX 46 30 54  
LAL 5 3 1  
LASI 2 2 4  
STABILITY D E B  
STAGNATION INDEX 2 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH 34 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 37 PERCENT.  
WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 40 PERCENT.  
SOUTH WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE LOWER  
60S. MINIMUM RH 50 PERCENT. WEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
A CHANCE OF RAIN SHOWERS. MOSTLY CLOUDY. LOWS IN  
THE UPPER 30S. NORTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF RAIN SHOWERS. PARTLY SUNNY. HIGHS  
IN THE MID 50S. MINIMUM RH 44 PERCENT. NORTHWEST WINDS 5 TO  
10 MPH.  
 

 
 
ARZ035-036-048-049-058-222330-  
CRITTENDEN-CROSS-LEE AR-PHILLIPS-ST. FRANCIS-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER CLOUDY MCLDY MCLEAR  
PRECIP CHANCE (%) 100 20 0  
PRECIP TYPE TSTMS SHOWERS NONE  
PRECIP AMOUNT (IN) 0.77 0.02 0.00  
PRECIP DUR (HRS) 11 1  
PRECIP BEGINS 6 AM CONTINUING  
PRECIP ENDS CONTINUING 10 PM  
TEMP (24H TREND) 70 (-14) 51 (-16) 71  
RH % (24H TREND) 75 (+22) 96 (+7) 36  
AM 20 FT WIND (MPH) S 8-12 NW 5-9  
PM 20 FT WIND (MPH) W 4-8 NW 3-7 NW 6-10  
MIXING HGT (M-AGL) 454 1547  
MIXING HGT (FT-AGL) 1489 5074  
MIXING HGT (M-MSL) 516 1609  
MIXING HGT (FT-MSL) 1693 5280  
TRANSPORT WND (M/S) NW 5 NW 8  
TRANSPORT WND (MPH) NW 12 NW 18  
VENT INDEX (M2/S) 2580 12872  
CATEGORY DAY 2 4  
500M MIX HGT TEMP (F) 69 63  
500M TSPT WIND (M/S) W 7 NW 6  
500M TSPT WIND (MPH) W 15 NW 13  
DISPERSION INDEX 39 28 51  
LAL 5 3 1  
LASI 2 2 3  
STABILITY D E C  
STAGNATION INDEX 2 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 34 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 37 PERCENT.  
WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 39 PERCENT.  
SOUTH WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. PARTLY SUNNY. HIGHS IN THE MID 60S. MINIMUM RH  
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH BECOMING WEST LATE IN THE  
MORNING.    
FRIDAY NIGHT
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS AROUND  
40. NORTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF RAIN SHOWERS. PARTLY SUNNY. HIGHS  
IN THE MID 50S. MINIMUM RH 45 PERCENT. NORTHWEST WINDS 5 TO  
10 MPH.  
 

 
 
TNZ001>004-019>022-222330-  
BENTON TN-CARROLL-DYER-GIBSON-HENRY-LAKE-OBION-WEAKLEY-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP CHANCE (%) 80 60 20  
PRECIP TYPE TSTMS SHOWERS SHOWERS  
PRECIP AMOUNT (IN) 0.31 0.55 0.04  
PRECIP DUR (HRS) 10 6 1  
PRECIP BEGINS 6 AM CONTINUING CONTINUING  
PRECIP ENDS CONTINUING CONTINUING 6 PM  
TEMP (24H TREND) 74 (-6) 54 (-9) 66  
RH % (24H TREND) 72 (+24) 98 (+11) 48  
AM 20 FT WIND (MPH) S 8-12 G18 NW 4-8  
PM 20 FT WIND (MPH) S 6-10 NW 2-6 NW 5-9  
MIXING HGT (M-AGL) 520 606  
MIXING HGT (FT-AGL) 1707 1989  
MIXING HGT (M-MSL) 642 732  
MIXING HGT (FT-MSL) 2105 2401  
TRANSPORT WND (M/S) S 9 NW 6  
TRANSPORT WND (MPH) S 21 NW 14  
VENT INDEX (M2/S) 5778 4392  
CATEGORY DAY 3 3  
500M MIX HGT TEMP (F) 72 57  
500M TSPT WIND (M/S) S 10 NW 7  
500M TSPT WIND (MPH) S 23 NW 16  
DISPERSION INDEX 54 28 33  
LAL 4 3 1  
LASI 2 2 2  
STABILITY C D C  
STAGNATION INDEX 1 2 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
A SLIGHT CHANCE OF SHOWERS. MOSTLY CLEAR. LOWS IN  
THE MID 40S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH 37 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
PATCHY FROST. MOSTLY CLEAR. LOWS IN THE UPPER  
30S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS AROUND 60. MINIMUM RH 41 PERCENT. WEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST  
WINDS AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH 42 PERCENT.  
SOUTH WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS AROUND 50. SOUTH WINDS 5 TO 10 MPH.   
FRIDAY
 
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE MID  
60S. MINIMUM RH 51 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
A CHANCE OF RAIN SHOWERS. MOSTLY CLOUDY. LOWS  
AROUND 40. WEST WINDS AROUND 5 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF RAIN SHOWERS. PARTLY SUNNY. HIGHS  
IN THE LOWER 50S. MINIMUM RH 52 PERCENT. NORTHWEST WINDS AROUND  
5 MPH.  
 

 
 
TNZ048>055-088>091-222330-  
CHESTER-CROCKETT-DECATUR-FAYETTE-HARDEMAN-HAYWOOD-HENDERSON-  
LAUDERDALE-MADISON-MCNAIRY-SHELBY-TIPTON-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP CHANCE (%) 90 60 0  
PRECIP TYPE TSTMS SHOWERS NONE  
PRECIP AMOUNT (IN) 0.44 0.34 0.00  
PRECIP DUR (HRS) 11 3  
PRECIP BEGINS 6 AM CONTINUING  
PRECIP ENDS CONTINUING 6 AM  
TEMP (24H TREND) 73 (-7) 54 (-10) 67  
RH % (24H TREND) 73 (+19) 99 (+11) 47  
AM 20 FT WIND (MPH) S 7-11 G17 NW 4-8  
PM 20 FT WIND (MPH) S 5-9 NW 2-6 NW 5-9  
MIXING HGT (M-AGL) 521 913  
MIXING HGT (FT-AGL) 1708 2995  
MIXING HGT (M-MSL) 642 1038  
MIXING HGT (FT-MSL) 2106 3407  
TRANSPORT WND (M/S) SW 8 NW 7  
TRANSPORT WND (MPH) SW 18 NW 16  
VENT INDEX (M2/S) 5136 7266  
CATEGORY DAY 3 3  
500M MIX HGT TEMP (F) 71 58  
500M TSPT WIND (M/S) S 9 NW 7  
500M TSPT WIND (MPH) S 20 NW 15  
DISPERSION INDEX 57 25 39  
LAL 4 3 1  
LASI 2 2 2  
STABILITY D D C  
STAGNATION INDEX 2 2 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH 37 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
PATCHY FROST. MOSTLY CLEAR. LOWS IN THE UPPER  
30S. NORTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH  
40 PERCENT. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS AROUND 70. MINIMUM RH 41 PERCENT. SOUTH  
WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS. MOSTLY SUNNY. HIGHS IN THE MID  
60S. MINIMUM RH 51 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
A CHANCE OF RAIN SHOWERS. MOSTLY CLOUDY. LOWS  
AROUND 40. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
A SLIGHT CHANCE OF RAIN SHOWERS. PARTLY SUNNY. HIGHS  
IN THE MID 50S. MINIMUM RH 50 PERCENT. NORTHWEST WINDS 5 TO  
10 MPH.  
 

 
 
MSZ001-007-008-010>012-020-021-222330-  
COAHOMA-DESOTO-PANOLA-QUITMAN-TALLAHATCHIE-TATE-TUNICA-YALOBUSHA-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP CHANCE (%) 100 50 0  
PRECIP TYPE TSTMS SHOWERS NONE  
PRECIP AMOUNT (IN) 0.79 0.04 0.00  
PRECIP DUR (HRS) 11 3  
PRECIP BEGINS 6 AM CONTINUING  
PRECIP ENDS CONTINUING 6 AM  
TEMP (24H TREND) 72 (-12) 53 (-13) 70  
RH % (24H TREND) 76 (+24) 99 (+9) 40  
AM 20 FT WIND (MPH) S 6-10 NW 4-8  
PM 20 FT WIND (MPH) SW 4-8 NW 2-6 NW 6-10  
MIXING HGT (M-AGL) 437 1356  
MIXING HGT (FT-AGL) 1435 4450  
MIXING HGT (M-MSL) 509 1429  
MIXING HGT (FT-MSL) 1670 4689  
TRANSPORT WND (M/S) NW 5 NW 8  
TRANSPORT WND (MPH) NW 10 NW 17  
VENT INDEX (M2/S) 2545 11432  
CATEGORY DAY 2 4  
500M MIX HGT TEMP (F) 72 61  
500M TSPT WIND (M/S) SW 7 NW 6  
500M TSPT WIND (MPH) SW 16 NW 14  
DISPERSION INDEX 37 27 51  
LAL 3 3 1  
LASI 2 2 3  
STABILITY C D C  
STAGNATION INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 34 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. NORTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 38 PERCENT.  
WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHWEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S. MINIMUM RH 39 PERCENT.  
SOUTH WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH  
49 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
A CHANCE OF RAIN SHOWERS. PARTLY SUNNY. HIGHS IN THE  
MID 50S. MINIMUM RH 48 PERCENT. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MSZ002>006-009-013>017-022>024-222330-  
ALCORN-BENTON MS-CALHOUN-CHICKASAW-ITAWAMBA-LAFAYETTE-LEE MS-  
MARSHALL-MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-  
348 AM CDT SUN OCT 22 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP CHANCE (%) 100 90 0  
PRECIP TYPE TSTMS TSTMS NONE  
PRECIP AMOUNT (IN) 0.61 0.42 0.00  
PRECIP DUR (HRS) 10 7  
PRECIP BEGINS 6 AM CONTINUING  
PRECIP ENDS CONTINUING 6 AM  
TEMP (24H TREND) 74 (-6) 55 (-8) 68  
RH % (24H TREND) 71 (+17) 100 (+13) 49  
AM 20 FT WIND (MPH) S 7-11 NW 4-8  
PM 20 FT WIND (MPH) S 5-9 LGT/VAR NW 5-9  
MIXING HGT (M-AGL) 677 870  
MIXING HGT (FT-AGL) 2221 2855  
MIXING HGT (M-MSL) 801 994  
MIXING HGT (FT-MSL) 2627 3261  
TRANSPORT WND (M/S) S 10 NW 7  
TRANSPORT WND (MPH) S 22 NW 15  
VENT INDEX (M2/S) 8010 6958  
CATEGORY DAY 4 3  
500M MIX HGT TEMP (F) 73 59  
500M TSPT WIND (M/S) S 9 NW 6  
500M TSPT WIND (MPH) S 20 NW 14  
DISPERSION INDEX 58 21 34  
LAL 3 3 1  
LASI 3 2 2  
STABILITY D D C  
STAGNATION INDEX 2 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS  
AROUND 5 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. MINIMUM RH 36 PERCENT.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. MINIMUM RH  
38 PERCENT. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS  
AROUND 5 MPH.    
THURSDAY
 
SUNNY. HIGHS AROUND 70. MINIMUM RH 40 PERCENT. SOUTH  
WINDS 5 TO 10 MPH.    
THURSDAY NIGHT
 
CLEAR. LOWS AROUND 50. SOUTH WINDS AROUND  
5 MPH.    
FRIDAY
 
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. MOSTLY SUNNY. HIGHS IN THE UPPER 60S. MINIMUM RH  
50 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT
 
A CHANCE OF SHOWERS. MOSTLY CLOUDY. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
A CHANCE OF SHOWERS. PARTLY SUNNY. HIGHS IN THE UPPER  
50S. MINIMUM RH 48 PERCENT. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
PWB  
 
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