NOUS70 KFFC 261541 RRA
OEPZTL
ATL
CONCERNS...AFTN CNVTN POTENTIAL.  APPARENT BOUNDARY SE OF ATL ON 
VISIBLE METSAT MAY BE EXPLAINING WHY ATL WIND WENT AND STAYED NW BY 
10Z VICE ALL MODELS KEEPING WINDS NE TIL 15-16Z.  APPEARS WE'RE 
GETTING ADDITIONAL MOISTURE CONVERGENCE OVER ATL AS A RESULT WITH 
EARLIER THAN EXPECTED BKN/OVC045 CLOUDS...WITH FEW/SCT030-035 
BELOW.  ENHANCED CU ON 1500Z METSAT.  EXP BKN050CB NNW10-12KTS BY 
18Z BECOMING SCT050CB BY 19-20Z.  MAY NEED BRF TEMPO -SHRA AT TAF 
TIME.  SCT MID CLD ABV 070 BY 01Z.  WINDS NNW 7KTS OVERNIGHT.  
SCT050CB NNW 8KTS BY 18Z THURSDAY, THO CHC FOR CNVTN APPEARS LOWER, 
ESP PER GFS.
 
ADDITIONAL/OPTIONAL ELEMENTS:
ATL AIRPORT ACCEPTANCE RATE (AAR)...W OPS 112 (OVC048)    
                                              
DELAYS/ACFT...NONE                      
ATL PROGRAMS...TBM
IMPORTANT NUMBERS FOR ATL (TIMING OF ONSET/ENDING VERY IMPORTANT)
CIGS        VSBY    ARRIVAL/HR    IMPACT
                       (AAR)
>6000       >9         126+       NO ARTCC PROBLEMS 
2800-6000  3-9        112-118     LIMITED VISUAL APPROACHES 
400-2700    1/2-3      96-104     IN-TRAIL SPACING NEEDED (MIT) 
<400        <1/2       88-96      SIGNIFICANT DELAYS(MIT GDP GS AH) 
TSRA                    0+        VARIABLE DELAYS (MIT GDP GS AH) 
FZRA/FZDZ               0+        MAJOR DELAYS FOR DE-ICING 
CW                                    (MIT GDP GS AH) 
SN                      0+        MAY CLOSE AIRPORT FOR REMOVAL OPS  
                                     (MIT GDP GS AH) 
WINDSHIFTS THRU N OR S            UP TO 15-20 MIN (MIT GS AH) 
HEADWINDS >15KTS       111-120    VARIABLE DELAYS (MIT GDP GS AH) 
HAZE INTO THE SUN      104        SLANT RANGE VIS WILL FORCE TRIP ILS
CLT 
CONCERNS...NONE. AGREE WITH TAF AND AFD.  DRY AIR FROM NE.  EXP 
FEW060 (AT MOST) BY 18Z...LIKELY ALL MIXED OUT WITH JUST FEW/SCT 
MID-HI CLD.  N-NE 8-10KTS.  FEW-SCTT MID/HI CLD OVERNIGHT N 3-5KTS.  
ENUF LVL MOISTURE RETURN FOR FEW/SCT030-040 BY 15Z THURSDAY...NW 
4-6KTS.  BOTH NAM AND GFS SHOW MUCH BETTER INSTABILITY BY THURSDAY 
EVENING. 
CLT AIRPORT ACCEPTANCE RATE (AAR)...N OPS 85
DELAYS/ACFT...NONE  
CLT PROGRAMS...TBM
IMPORTANT NUMBERS FOR CLT (TIMING OF ONSET/ENDING VERY IMPORTANT)
CIGS        VSBY    ARRIVAL/HR    IMPACT
                       (AAR)
>3500       >6       N60+/S75+   NO ARTCC PROBLEMS
1000-3500   3-6        55-65     LIMITED VISUAL APPROACHES 
200-1000    1/2-3      30-55     IN-TRAIL SPACING NEEDED (MIT) 
<200        <1/4       30-55     SIGNIFICANT DELAYS(MIT GDP GS AH) 
TSRA                    0+       VARIABLE DELAYS (MIT GDP GS AH) 
FZRA/FZDZ               <35      MAJOR DELAYS FOR DE-ICING (MIT      
                                    GDP GS AH)
SN                      0+       MAY CLOSE AIRPORT FOR REMOVAL
                                    OPS(MIT GDP GS AH) 
WINDSHIFTS THRU E OR W           UP TO 15-20 MIN (MIT GS AH) 
HEADWINDS >15KTS        <60      VARIABLE DELAYS (MIT GDP GS AH) 
MILES IN TRAIL (MIT)  GROUND DELAY PROGRAM (GDP)  GROUND STOP (GS) 
AIRBORNE HOLDING (AH) TIME-BASED METERING (TBM)
RW