304  
FXUS64 KTSA 211113  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
613 AM CDT SUN OCT 21 2018  
   
AVIATION
 
 
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.  
VFR CONDITIONS WILL PREVAIL THROUGH THE FORECAST PERIOD.  
 

 
   
PREV DISCUSSION
 
/ISSUED 301 AM CDT SUN OCT 21 2018/  
 
DISCUSSION...  
TEMPERATURES HAVE BEEN A BIT SLOW TO FALL, ALTHOUGH CURRENT  
READINGS HAVE DIPPED INTO THE UPPER 30S/LOWER 40S FOR MOST AREAS.  
NO CHANGES PLANNED TO ONGOING FROST ADVISORY/FREEZE WARNING, WITH  
BOTH PRODUCTS EXPIRING AT 8 AM. OTHERWISE, EXPECT A PLEASANT DAY  
WITH SUNNY SKIES AND LIGHT WINDS. ANOTHER CHILLY NIGHT EXPECTED  
FOR SUNDAY NIGHT, ESPECIALLY ACROSS FAR EASTERN OK/WESTERN AR  
WHERE SURFACE RIDGE LINGERS.  
 
A MODEST WARMING TREND WILL ENSUE FOR EARLY NEXT WEEK, AS  
TEMPORARY UPPER RIDGING DEVELOPS ACROSS THE PLAINS. APPROACHING  
UPPER WAVE WILL BRING A CHANCE OF SHOWERS MAINLY FOR WEDNESDAY AND  
WEDNESDAY NIGHT, WITH OVERALL AMOUNTS LOOKING RATHER LIGHT.  
 
NORTHWESTERLY UPPER FLOW DEVELOPS LATE NEXT WEEK, AND LATEST 00Z  
ECMWF/GFS NOW IN REASONABLY AGREEMENT DROPPING AN UPPER WAVE JUST  
NORTHEAST OF THE REGION BY THE WEEKEND. FOR NOW, HAVE INTRODUCE  
SOME LOW POPS FOR FRIDAY NIGHT INTO SATURDAY.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TUL 66 45 69 46 / 0 0 0 0  
FSM 67 41 65 46 / 0 0 0 0  
MLC 67 42 64 43 / 0 0 0 0  
BVO 66 41 70 42 / 0 0 0 0  
FYV 63 37 67 40 / 0 0 0 0  
BYV 62 39 68 43 / 0 0 0 0  
MKO 66 42 65 44 / 0 0 0 0  
MIO 64 43 68 43 / 0 0 0 0  
F10 67 43 65 45 / 0 0 0 0  
HHW 66 41 64 44 / 0 0 0 0  
 

 
   
TSA WATCHES/WARNINGS/ADVISORIES
 
 
OK...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR OKZ054-060>062-  
067-068.  
 
FREEZE WARNING UNTIL 8 AM CDT THIS MORNING FOR OKZ055>058-063-  
069.  
 
AR...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR ARZ019-020.  
 
FREEZE WARNING UNTIL 8 AM CDT THIS MORNING FOR ARZ001-002-010-  
011.  
 

 
 

 
 
AVIATION.....14  
 
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