Seattle-Tacoma International to George Bush Intcntl/Houston Airport SEA → IAH

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

• SIGMET W67W: thunderstorms (a convective SIGMET) up to 28,000 ft, moving from the south at 40 knots, until 5:55 pm PDT (00:55 UTC). Over the route from 489 to 589 nm out.
  as issued

  WSUS33 KKCI 112255
  MKCW WST 112255
  CONVECTIVE SIGMET 67W
  VALID UNTIL 0055Z
  WY UT ID NV
  FROM 40S DBS-40WNW BPI-50N HVE-50W DTA-50SSE TWF-40S DBS
  AREA EMBD TS MOV FROM 20040KT. TOPS TO FL280.

• SIGMET W66W: thunderstorms (a convective SIGMET) up to 38,000 ft, moving from the southwest at 40 knots, until 5:55 pm PDT (00:55 UTC). Over the route from 659 to 719 nm out.
  as issued

  WSUS33 KKCI 112255
  MKCW WST 112255
  CONVECTIVE SIGMET 66W
  VALID UNTIL 0055Z
  CO WY UT
  FROM 10NW OCS-60W CHE-50ESE MTU-50N MTU-10NW OCS
  AREA TS MOV FROM 21040KT. TOPS TO FL380.

• SIGMET W63W: thunderstorms (a convective SIGMET) up to 37,000 ft, moving from the southwest at 40 knots, until 5:55 pm PDT (00:55 UTC). Over the route from 869 to 968 nm out.
  as issued

  WSUS33 KKCI 112255
  MKCW WST 112255
  CONVECTIVE SIGMET 63W
  VALID UNTIL 0055Z
  CO NM AZ UT
  FROM 30SSW MTU-30NW PUB-20NW TCC-60SE ABQ-40N SJN-30SSW MTU
  AREA SEV TS MOV FROM 23040KT. TOPS TO FL370.
  WIND GUSTS TO 50KT POSS.

• AIRMET ZULU 2C: moderate icing up to 14,000 ft. Over the route from 110 to 299 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 170 to 869 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 270 to 938 nm out.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 299 to 559 nm out.
• AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the route from 369 to 679 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 519 to 1018 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 539 to 849 nm out.
• AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 679 to 679 nm out.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 699 to 759 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 SEA.

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

Not fetched just now.

At IAH when you get there the forecast at the estimated arrival, 6:20 am CDT (11:20 UTC)

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

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

• 6/0543 MCGREGOR, TX 21 nm from the route, 1487 nm along the route · security · ZFW

Daylight

Sunset at SEA 6:27 pm PDT (01:27 UTC), at IAH 6:55 pm CDT (23:55 UTC) (civil twilight ends 7:19 pm CDT (00:19 UTC)). At 120 knots the arrival at IAH is before sunrise there (7:21 am CDT (12:21 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.