Aviation Discussion


.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
SCATTERED AREAS OF RAIN ARE DEVELOPING TO THE WEST...AND WILL MOVE
INTO THE WASHINGTON/BALTIMORE TERMINALS BY THIS EVENING. PERIODS
OF MVFR VSBYS LIKELY WITH RAIN. CIGS LOWER TO MVFR TONIGHT.
PERIODS OF IFR PSBL AS WELL AS LOW PRESSURE MOVES ACROSS THE
REGION BRINGING ADDITIONAL RAINFALL. LIGHT WESTERLY WINDS THIS
AFTN AND EVENING...BECG NW AND INCREASING TO AROUND 10KT
OVERNIGHT. LOWER CIGS EXPECTED TO PERSIST WEDNESDAY...AND PERIODIC
RAINFALL WILL BE POSSIBLE. GUSTY NW WINDS EXPECTED...UP TO 20-25KT
BY THE AFTERNOON. 

THU...VFR. NW WINDS GUSTING TO 20-25KT.

FRI...VFR. NW WINDS AROUND 1OKT.

CONFIDENCE IS LOW IN THE OCCURRENCE OF AVIATION HAZARDS OVER THE
WEEKEND AS HIGH PRESSURE BUILDS IN.


CLDY WED NGT BUT CIGS XPCTD TO BE VFR. BRZY NW WINDS XPCTD WED NGT
AND THU. VFR/NO PROBS FRI AND SAT.

 

Terminal Aviation Forecasts

TAFBWI (View previous versions )
KBWI 211746Z 2118/2224 28006KT P6SM SCT050
     FM212000 29005KT 6SM -SHRA BKN050
     FM220200 33004KT 5SM -SHRA OVC025
     FM220700 35008KT P6SM OVC025
     FM221200 35010G15KT 3SM -SHRA OVC008
     FM221800 34015G20KT 5SM -SHRA OVC020=

TAFCHO (View previous versions )
KCHO 211746Z 2118/2218 22005KT P6SM FEW050
     FM212000 25005KT P6SM BKN050
     FM212300 31005KT P6SM OVC050
     FM220600 32006KT 5SM -SHRA OVC030
     FM221500 34013KT P6SM BKN050=

TAFDCA (View previous versions )
KDCA 211746Z 2118/2218 VRB04KT P6SM SCT050 BKN100
     FM212100 35004KT 6SM -SHRA BKN050
     FM220300 33007KT P6SM OVC025
     FM220600 34007KT 3SM -SHRA OVC008
     FM221200 34011G18KT P6SM OVC008
     FM221500 34014G21KT P6SM OVC015=

TAFIAD (View previous versions )
KIAD 211746Z 2118/2224 30004KT P6SM OVC050
     FM212100 VRB03KT 6SM -SHRA BKN035
     FM220000 32005KT P6SM OVC050
     FM220600 33006KT 3SM -SHRA OVC008
     FM221200 33012G17KT P6SM OVC008
     FM221900 33016G22KT P6SM BKN025=

AMENDED TAFMRB (View previous versions )
KMRB 211848Z 2119/2218 VRB05KT 6SM -RA OVC050
      TEMPO 2119/2123 3SM -RA OVC030
     FM212300 31005KT P6SM OVC025
     FM220600 33006KT 5SM -SHRA OVC015
     FM221100 34011G18KT P6SM OVC025=

TAFMTN (View previous versions )
KMTN 211746Z 2118/2218 VRB03KT P6SM SCT040
     FM212100 20005KT 6SM -SHRA BKN050
     FM220200 33004KT 6SM -SHRA OVC025
     FM220900 35008KT 5SM -SHRA OVC008
     FM221200 36010G18KT 3SM -SHRA OVC008
     FM221600 01014G21KT 5SM -SHRA OVC015=


Meteorological Impact Statement

ZDC MIS 01 VALID 211155-212000
...FOR ATC PLANNING PURPOSES ONLY...
A WEAK COLD FRONT WILL MOVE ACROSS ZDC THROUGH EARLY AFTERNOON. 
WINDS WILL SHIFT WEST TO NORTHWEST 5-10KT. A FEW SHRA EXPECTED THIS 
MORNING BECOMING SCATTERED AFTER 17Z ACROSS NORTHERN 1/3RD ZDC. OCNL 
LGT-MOD TURB BELOW 100 MOUNTAINS AND AREAS EAST.

Surface Map


TRACON Thunderstorm Forecast


Vertical Wind Profiles