Birmingham-Shuttlesworth International to San Francisco International BHM → SFO

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

• SIGMET W22W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the south at 35 knots, until 7:55 am CDT (12:55 UTC). Over the route from 1257 to 1387 nm out.
  as issued

  WSUS33 KKCI 121055
  MKCW WST 121055
  CONVECTIVE SIGMET 22W
  VALID UNTIL 1255Z
  AZ UT NV
  FROM 40W DTA-40WNW HVE-20SSE BCE-50NE LAS-70ENE BTY-40W DTA
  AREA TS MOV FROM 20035KT. TOPS TO FL300.

• AIRMET SIERRA 1E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, mist, fog). Over the route from 30 to 100 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 399 to 728 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 848 to 1287 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 878 to 948 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 908 to 1107 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1097 to 1397 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 1117 to 1496 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1267 to 1436 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 180 nm of the route.
• AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1596 to 1656 nm out.

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 BHM.

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

• urgent BE20 at 500 ft, 31 nm north, 4:34 am CDT (09:34 UTC): remarks: low-level wind shear 500FT a 10-knot loss of airspeed zkc fd dl. 728 nm along the route, 31 nm north of the line.
  as filed, and in English

  LBL UUA /OV LBL/TM 0934/FL005/TP BE20/RM LLWS 500FT +/-10KT ZKC FD DL

  Report

  an urgent report filed through LBL

  Where

  over LBL

  Time

  09:34 UTC

  Height

  at 500 ft

  Aircraft

  BE20

  Remarks

  low-level wind shear 500FT a 10-knot loss of airspeed zkc fd dl

• E170 at 14,000 ft, 11 nm north, 6:19 am CDT (11:19 UTC): no turbulence, no icing, remarks: ZME65. 259 nm along the route, 11 nm north of the line.
  as filed, and in English

  LIT UA /OV LIT045030/TM 1119/FL140/TP E170/TB NEG/IC NEG/RM ZME65

  Report

  a routine report filed through LIT

  Where

  30 nm northeast (045°) of LIT

  Time

  11:19 UTC

  Height

  at 14,000 ft

  Aircraft

  E170

  Turbulence

  none

  Icing

  none

  Remarks

  ZME65

• B737 at 22,000 ft, 26 nm south, 6:35 am CDT (11:35 UTC): light to moderate chop turbulence from 22,000 ft to 24,000 ft, remarks: ZFW49. 589 nm along the route, 26 nm south of the line.
  as filed, and in English

  OKC UA /OV IRW290045/TM 1135/FL220/TP B737/TB CONS LGT-MOD CHOP 220-240/RM -ZFW49

  Report

  a routine report filed through OKC

  Where

  45 nm west (290°) of IRW

  Time

  11:35 UTC

  Height

  at 22,000 ft

  Aircraft

  B737

  Turbulence

  continuous light to moderate chop from 22,000 ft to 24,000 ft

  Remarks

  ZFW49

At SFO when you get there the forecast at the estimated arrival, 9:12 pm PDT (04:12 UTC)

Wind from the west at 6 knots, visibility more than 6 miles, clear skies VFR

The whole forecast for SFO

• From Mon 5:00 am PDT (12:00 UTC): wind from the west at 4 knots, visibility more than 6 miles, a few clouds at 2,000 feet, a few clouds at 9,000 feet
• From Mon 3:00 pm PDT (22:00 UTC): wind from the west at 12 knots, visibility more than 6 miles, clear skies
• From Mon 8:00 pm PDT (03:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies

The forecast for BHM, the departure

• From Mon 7:00 am CDT (12:00 UTC): wind calm, visibility more than 6 miles, a few clouds at 25,000 feet
• From Mon 11:00 am CDT (16:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, clear skies

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 on the route, 1616 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA

Daylight

Sunset at BHM 6:17 pm CDT (23:17 UTC), at SFO 6:35 pm PDT (01:35 UTC) (civil twilight ends 7:01 pm PDT (02:01 UTC)). At 120 knots the arrival at SFO is after sunset there (6:36 pm PDT (01:36 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.