National Weather Service United States Department of Commerce

Disturbance Along South Carolina Coast; Severe Storms in Central U.S.; Heat Concerns in the Northeast and Southern Plains

The National Hurricane Center is monitoring an area of low pressure along the coast of South Carolina for tropical or subtropical development. Heavy rain, flooding, and gusty winds are possible along coastal sections of the Carolinas, Mid-Atlantic and Northeast the next dew days. Severe storms are likely today across the Upper Midwest and Central Plains. Read More >

Latest Aviation Discussion:
.AVIATION /01Z THURSDAY THROUGH MONDAY/... VFR conditions are expected through this evening. More low clouds and fog are possible late tonight into Thursday morning. Low pressure will approach Thursday into Friday before passing by to our east Friday into Friday evening. Showers and a thunderstorms are possible, especially Friday when the low will be closest. Restrictions are possible mainly over BWI and MTN, maybe DCA. Also, low clouds and subVFR cigs are possible Thursday night into Friday due to an easterly flow. A front will bring scattered thunderstorms, possibly bringing restrictions over the terminals, on Saturday which could lead to periods of subVFR conditions and along with gusty winds. VFR conditions will likely return late Sunday and into Monday. AVIATION...IMR/KLW/JMG Update as of: 945 PM EDT Wed Jul 8 2020

This discussion and more can be found in the Area Forecast Discussion.

Results/presentations from NWS local Aviation Users Forum meeting 13 Nov 2019.

Aviation Forecasts

The National Weather Service (NWS) Weather Forecast Office (WFO-LWX), in Sterling, VA has responsibility for six Terminal Aerodrome Forecasts or TAFs in Virginia, Maryland and the eastern West Virginia panhandle. Click on each map below to view the latest decoded TAF Note: maps are not for official aviation use. FAA VFR charts are available here.

REAGAN NATIONAL (DCA)

  TERMINAL FORECAST (DCA)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  DCA TAF BOARDClick for latest Washington Reagan National TAF & Current Observation

 

 

 

 

 


DULLES (IAD)

  TERMINAL FORECAST (IAD)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  IAD TAF BOARDClick for latest Dulles VA TAF & Observation

 

 

 

 

 

 


BALTIMORE (BWI)

  TERMINAL FORECAST (BWI)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  BWI TAF BOARDClick for latest Baltimore-BWI TAF & Observation

 

 

 

 

 

 


CHARLOTTESVILLE (CHO)

  TERMINAL FORECAST (CHO)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  CHO TAF BOARD

Click for latest Charlottesville TAF & Observation

 

 

 

 

 

 


MARTIN STATE (MTN)

  TERMINAL FORECAST (MTN)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  MTN TAF BOARD

 

 

 

 

 

 

 

Click for latest Martin State TAF & Observation



MARTINSBURG (MRB)

  TERMINAL FORECAST (MRB)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  MRB TAF BOARD

 

 

 

 

 

 

 

Click for latest Martinsburg TAF & Observation


Click here for the latest decoded METARs at all 6 WFO Sterling TAF sites

 

Center Weather Service Unit Products

 

The Leesburg VA Center Weather Service Unit (CWSU/ZDC) covers the NWS Sterling, VA County Warning Area. Use the buttons on the map or....CLICK HERE to view ZDC's web site.  For complete AVIATION WEATHER CENTER products click here.

Interactive Aviation Map (mouse over & CLICK for Observations)


See Complete MESONET MAP & OBS

Decoded/Raw Text

  • 24 hour decoded observations for Virginia Portion of our CWA...
  • 24 hour decoded observations for Maryland Portion of our CWA...
  • 24 hour decoded observations for West Virginia Portion of our CWA...

Surface Weather Maps

Wind Rose Data

  • Washington Reagan-National (DCA) wind rose data...
  • Dulles International (IAD) wind rose data...
  • Baltimore-Washington International (BWI) wind rose data...

Miscellaneous