Aviation Weather
Latest Aviation Discussion
Last Updated: 103 PM Friday, April 18 2014
.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... AS OF 1240 PM EDT FRIDAY... HAVE BROKEN INTO OVERALL VFR EARLY THIS AFTERNOON AND SHOULD MAINTAIN INTO EARLY THIS EVENING WITH EXTENSIVE HIGH CLOUDS ON TOP OF SCTD LOW CLOUDS. STILL EXPECT CIGS TO LOWER OVERNIGHT BUT DEPTH OF MOISTURE REMAINS IN QUESTION UNDER DRY MID LEVELS AND DEVELOPING NE FLOW LATER ON. MODELS REMAIN VARIED ON HOW FAR NORTH TO TAKE LOWER CIGS AND RAINFALL AFTER MIDNIGHT WITH AN ENSEMBLE BLEND PROVIDING A RANGE FROM MOSTLY VFR OVERNIGHT AT LWB TO DEVELOPING IFR ALONG AND EAST OF THE BLUE RIDGE BY DAYBREAK SATURDAY. APPEARS MVFR TO OCNL IFR MOST LIKELY FROM ROA-LYH SOUTH TO DAN WHILE A PERIOD OF MVFR LIKELY AT BCB AND POSSIBLE AT BLF ALTHOUGH LOW CONFIDENCE AT THIS POINT. RAINFALL INDUCED VSBY REDUCTIONS ALSO IFFY WITH MVFR LIKELY AT DAN AND PERHAPS ROA/LYH IF THINGS SATURATE ENOUGH BY EARLY SATURDAY WHICH APPEARS POSSIBLE. ELSW INCLUDING SOME -RA/DZ MENTION AT BCB AND BLF LATE BASED ON LATEST NON NAM GUIDANCE TRENDS. LIGHT/VRBL WINDS TO PERSIST THIS AFTERNOON...THEN BECOMING NORTH/NE TONIGHT WITH SPEEDS INCREASING...PUSHING GUSTS TO 20 KTS OUT EAST BY MORNING. POOR FLYING CONDITIONS COULD PERSIST OVER THE SOUTH AND EAST INTO SATURDAY AFTERNOON WITH THE BELT OF DEEPER MOISTURE UNDER THE UPPER LOW SLOW TO EXIT. PERIODS OF -RA/DZ MAY ALSO LINGER EAST OF THE BLUE RIDGE WHERE ROA/LYH/DAN COULD GET STUCK IN MVFR TO IFR CIGS AND SOME LIMITED VSBY REDUCTION PENDING NORTHWARD EXTENT OF THE RAINFALL ESPCLY THROUGH MIDDAY. EXTENDED AVIATION DISCUSSION... THE UPPER LOW SLOWLY EXITS TO THE EAST SUNDAY AND HIGH PRESSURE RETURNS BRINGING A RETURN TO VFR CONDITIONS INTO EARLY NEXT WEEK. THE NEXT COLD FRONT APPROACHES MONDAY NIGHT WITH MORE SHOWERS AND POSSIBLE THUNDERSTORMS INCLUDING PERIODS OF MVFR. FRONT EXITS TUESDAY NIGHT RESULTING IN A RETURN TO VFR WEDNESDAY EXCEPT FOR MVFR CIGS OVER THE FAR WESTERN SITES IN SE WEST VA.
Comments about our aviation discussion are welcomed. Please send any comments or questions to our aviation focal point, Ken Kostura.

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The following forecasts are provided as general information only. Pilots planning a flight should obtain a detailed weather briefing from your local Flight Service Station before departure.

Terminal Forecasts issued from NWSO Blacksburg:

Roanoke, VA (ROA) | Lynchburg, VA (LYH) | Danville, VA (DAN)
Blacksburg VA (BCB)| Bluefield, WV  (BLF) | Lewisburg, WV  (LWB)


OTHER REGIONAL TERMINAL FORECASTS:

Virginia

Charlottesville (CHO)

Norfolk (ORF)

Richmond (RIC)

North Carolina

Asheville (AVL)

Charlotte (CLT)

Greensboro (GSO)

Hickory (HKY)

Wilmington (ILM)

Winston-Salem (INT)

Raleigh-Durham (RDU)

South Carolina

Columbia (CAE)

Charleston (CHS)

Greenville-Spartanburg (GSP)

Myrtle Beach (MYR)


West Virginia

Beckley (BKW)

Charleston (CRW)

Elkins (EKN)

D.C./Maryland

Washington Natl (DCA)

Washington Dulles (IAD)

Baltimore (BWI)

Tennessee

Nashville (BNA)

Tri-Cities (TRI)

Knoxville (TYS)

Kentucky

Cincinnati Intl (CVG)

Lexington (LEX)


London (LOZ)

 


Meteorological Impact Statements and Center Weather Advisorys for:

Washington ARTCC

Atlanta ARTCC

Indianapolis ARTCC


Aviation Weather Center (U.S.)


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