518  
FXUS63 KSGF 191045  
AFDSGF  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE SPRINGFIELD MO  
545 AM CDT THU APR 19 2018  
   
..12Z AVIATION FORECAST UPDATE
 
 
   
SHORT TERM
 
(TODAY AND TONIGHT)  
ISSUED AT 142 AM CDT THU APR 19 2018  
 
CANADIAN HIGH PRESSURE WILL CONTINUE TO BUILD IN ACROSS THE  
MIDWEST TODAY. NORTHERLY WINDS WILL REMAIN 10 TO 15 MPH TODAY BUT  
SLOWLY RELAX BY THIS EVENING AND OVERNIGHT. LIGHTER WINDS AND  
CLEAR SKIES WILL ALLOW FOR TEMPERATURES TO FALL INTO THE LOWER AND  
MIDDLE 30S ONCE AGAIN. AREAS TO WIDESPREAD FROST WILL BE LIKELY  
AND WE WILL ISSUE ANOTHER FROST ADVISORY FOR THOSE WITH SENSITIVE  
PLANTS OUTSIDE.  
   
LONG TERM
 
(FRIDAY THROUGH WEDNESDAY)  
ISSUED AT 142 AM CDT THU APR 19 2018  
 
SOUTHEASTERLY WINDS RETURN FRIDAY AHEAD OF OUR NEXT STORM SYSTEM.  
A LARGE UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE OUT OF THE FOUR  
CORNERS REGION INTO THE SOUTHERN PLAINS THIS WEEKEND. RAIN SHOWERS  
WILL BEGIN TO IMPACT THE AREA FROM WEST TO EAST SATURDAY AFTERNOON  
AND EVENING. RAIN LOOKS LIKELY SATURDAY NIGHT ACROSS SOUTHERN  
MISSOURI LINGERING INTO SUNDAY. THE SLOW MOVING UPPER LEVEL LOW  
WILL EXIT THE REGION SUNDAY NIGHT AND MONDAY. WE WILL BE IN  
BETWEEN WEATHER SYSTEMS FOR EARLY NEXT WEEK WITH NICER WEATHER.  
TEMPERATURES WILL RETURN TO SEASONABLY MILD CONDITIONS. ANOTHER  
WEAK COLD FRONT WILL TRY TO MOVE THROUGH TUESDAY NIGHT INTO  
WEDNESDAY WHICH MAY BRING A SLIGHT CHANCE OF A SHOWER.  
 

 
   
AVIATION
 
(FOR THE 12Z TAFS THROUGH 12Z FRIDAY MORNING)  
ISSUED AT 542 AM CDT THU APR 19 2018  
 
VFR CONDITIONS WILL CONTINUE OVER THE NEXT 24 HOURS. A BAND OF  
BROKEN CLOUDS AROUND 3500 FEET WILL MOVE THROUGH THE TAF SITES  
THIS MORNING FOR A COUPLE HOURS WITH NO IMPACTS. WINDS WILL  
REMAIN NORTHERLY TODAY WITH A FEW GUSTS UP TO 15 OR 20 KNOTS FOR  
SGF AND BBG. WINDS WILL RELAX TONIGHT 5 KNOTS OR LESS.  
 

 
   
SGF WATCHES/WARNINGS/ADVISORIES
 
 
MO...FROST ADVISORY FROM 1 AM TO 9 AM CDT FRIDAY FOR MOZ055>058-  
066>071-077>083-088>098-101>106.  
 
FROST ADVISORY UNTIL 9 AM CDT THIS MORNING FOR MOZ055-066>068-  
077>079-088-089-093-094-101-102.  
 
KS...FROST ADVISORY FROM 1 AM TO 9 AM CDT FRIDAY FOR KSZ073-097-101.  
 
FROST ADVISORY UNTIL 9 AM CDT THIS MORNING FOR KSZ073-097-101.  
 

 
 

 
 
SHORT TERM...GRIFFIN  
LONG TERM...GRIFFIN  
AVIATION...GRIFFIN  
 
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