Aviation Discussion


.AVIATION /02Z WEDNESDAY THROUGH SUNDAY/...
VFR CONDITIONS WILL CONTINUE THROUGH THIS EVENING WITH W TO NW WINDS 
GENERALLY UNDER 10 KT. 

LOW PRESSURE WILL MOVE UP THE EASTERN SEABOARD FROM LATE TONIGHT 
THROUGH WEDNESDAY. CIGS WILL CONTINUALLY LOWER...REACHING IFR LEVELS 
(AND BELOW) AFTER DAYBREAK. PRECIPITATION WILL SPREAD FROM SOUTH TO 
NORTH BETWEEN 08-11Z. AT THE TERMINALS...PRECIPITATION WILL 
INITIALLY BE MOSTLY RAIN...EXCEPT SNOW COULD MIX IN AT MRB. 
CHANGEOVER TO SNOW WILL OCCUR EARLY MORNING AT MRB. MIX ARRIVES AT 
IAD...BWI AND CHO DURING MID TO LATE MORNING. CHANGEOVER FULLY TO 
SNOW QUESTIONABLE AT THESE SITES...BUT IF SO...WOULD HAPPEN MIDDAY 
TO EARLY AFTERNOON. DCA AND MTN WILL BE MOSTLY RAIN FOR A MAJORITY 
OF THE EVENT...BUT SNOW COULD MIX IN PAST MIDDAY. VSBY IN TAFS WOULD 
BE CONSERVATIVE IF HEAVIER SNOW BANDS DEVELOP...WHICH WOULD BE MOST 
LIKELY AT MRB. WINDS WILL BE NORTHERLY...WITH SLIGHTLY HIGHER 
MAGNITUDES NEAR 15 KT FOR THE EASTERN SITES.

CONDITIONS IMPROVE WEDNESDAY EVENING...BUT SNOW SHOWERS MAY AFFECT 
CHO DURING THE LATE NIGHT HOURS. SUB-VFR POSSIBLE IN SCTD SNOW
SHWRS THU W/ W FLOW 10-20 KTS. MAINLY VFR LIKELY THU NIGHT-
SUN...W WINDS 10-15 KTS BECOMING S FRI NIGHT 10 KTS OR LESS
THROUGH THE WEEKEND.

 

Terminal Aviation Forecasts

TAFBWI (View previous versions )
KBWI 252331Z 2600/2706 00000KT P6SM SCT250
     FM260600 36005KT P6SM OVC110
     FM260900 02008KT P6SM -RA OVC060
     FM261200 03010KT 3SM -RA SCT020 OVC035
     FM261500 02009KT 2SM RASN SCT005 OVC012
     FM261800 35011KT 1SM -RASN OVC003
     FM262100 32011KT 3SM -RASN OVC008
     FM262300 32011KT P6SM OVC008
     FM270300 31008KT P6SM BKN050=

TAFCHO (View previous versions )
KCHO 252331Z 2600/2624 00000KT P6SM BKN250
     FM260300 04006KT P6SM OVC250
     FM260500 02005KT P6SM -RA OVC090
     FM261200 02007KT 2SM -RASN OVC008
     FM261400 01007KT 1SM -RASN OVC003
     FM261500 01007KT 1/2SM SN OVC003
     FM261800 34007KT 1SM -RASN OVC003
     FM262100 33006KT P6SM OVC008=

TAFDCA (View previous versions )
KDCA 252331Z 2600/2624 10004KT P6SM BKN250
     FM260400 04005KT P6SM OVC250
     FM260500 02004KT P6SM -RA OVC090
     FM260900 02008KT 5SM -RA OVC050
     FM261200 03009KT 5SM -RA SCT015 OVC030
     FM261500 01009KT 2SM RASN OVC003
     FM262000 34010KT 5SM -RASN OVC008
     FM262300 31010KT P6SM OVC008=

TAFIAD (View previous versions )
KIAD 252331Z 2600/2706 VRB03KT P6SM SCT250
     FM260500 01004KT P6SM -RA OVC090
     FM260900 02008KT 6SM -RASN OVC050
     FM261200 02009KT 1 1/2SM -RASN OVC015
     FM261500 01007KT 1SM -SN OVC003
     FM261800 34010KT 1/2SM SNRA OVC003
     FM262100 33010KT 5SM -SN SCT004 OVC010
     FM270000 31005KT P6SM BKN050=

TAFMRB (View previous versions )
KMRB 252331Z 2600/2624 31004KT P6SM SCT250
     FM260700 36005KT P6SM OVC100
     FM260900 01007KT P6SM -RASN OVC060
     FM261200 02006KT 2SM -SN SCT015 OVC025
     FM261800 36005KT 4SM -SN SCT003 BKN009
     FM262100 33007KT P6SM OVC008=

TAFMTN (View previous versions )
KMTN 252331Z 2600/2624 00000KT P6SM SCT250
     FM260600 36005KT P6SM OVC110
     FM260900 02007KT P6SM -RA OVC060
     FM261200 03010KT 4SM -RA OVC025
     FM261500 02009KT 2SM RASN SCT006 OVC012
     FM261800 35011KT 1SM -SNRA OVC003
     FM262100 32012KT 2SM -SNRA OVC008
     FM262300 32011KT P6SM OVC008
      AMD NOT SKED 2602/2612=


Meteorological Impact Statement

ZDC MIS 02 VALID 252200-260800
...FOR ATC PLANNING PURPOSES ONLY...
IFR CIG 005-020 VIS 1-5SM RA BR NC SERN VA SPRDG N INCLUDG
RDU ORF...RIC BY 03Z. AFT 05Z MVFR CIG 020-100 VIS 3-6SM RA BR
N OF LINE BKW-SBY INCLUDG DCA IAD BWI. MOD ICE 100-FL280 MOD
TURB BLW FL430. RA/IP/SN WV WRN MD/VA...MOD ICE BLW FL280.
.............................................................
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Surface Map


TRACON Thunderstorm Forecast


Vertical Wind Profiles