Oakland San Francisco Bay Airport to Greenville Spartanburg International OAK → GSP

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET W24W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the south at 35 knots, until 6:55 am PDT (13:55 UTC). Over the route from 360 to 430 nm out.
  as issued

  WSUS33 KKCI 121155
  MKCW WST 121155
  CONVECTIVE SIGMET 24W
  VALID UNTIL 1355Z
  UT NV
  FROM 40ESE ELY-50NW BCE-60S ILC-50SW ILC-40ESE ELY
  AREA TS MOV FROM 20035KT. TOPS TO FL300.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 180 nm of the route.
• AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 80 to 140 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 270 to 629 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 320 to 549 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 340 to 699 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the route from 460 to 879 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 639 to 829 nm out.
• AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 789 to 839 nm out.
• AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 1009 to 1409 nm out.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 1688 to 1868 nm out.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 1788 to 1888 nm out.
• AIRMET TANGO 5W: moderate turbulence above 18,000 ft (due to mountain wave) from 29,000 ft to 40,000 ft. Over the last 80 nm of the route.
• AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Over the last 80 nm of the route.
• AIRMET TANGO 3W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Near the route, at the destination end.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from OAK.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

Not fetched just now.

At GSP when you get there the forecast at the estimated arrival, 7:33 pm EDT (23:33 UTC)

GSP has no terminal forecast; use the nearest airport that does.

Temporary flight restrictions on the line or within 25 nm of it

• 6/7094 45NM NE MERCED, CA, Sunday, October 4, 2026 through Tuesday, October 20, 2026 UTC 14 nm from the route, 120 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA
• 6/0708 Goodlettsville, TN, Saturday, August 1, 2026 through Sunday, August 1, 2027 UTC 25 nm from the route, 1698 nm along the route · security · until 1 August · ZME

Daylight

Sunset at OAK 6:34 pm PDT (01:34 UTC), at GSP 6:58 pm EDT (22:58 UTC) (civil twilight ends 7:23 pm EDT (23:23 UTC)). At 120 knots the arrival at GSP is after sunset there (6:58 pm EDT (22:58 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.