Seattle Paine Field International to Brownsville/South Padre Island International PAE → BRO

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

• SIGMET W25W: thunderstorms (a convective SIGMET) up to 27,000 ft, moving from the west at 45 knots, until 7:55 am PDT (14:55 UTC). Over the route from 558 to 638 nm out.
  as issued

  WSUS33 KKCI 121255
  MKCW WST 121255
  CONVECTIVE SIGMET 25W
  VALID UNTIL 1455Z
  WY UT ID
  FROM PIH-40W BPI-30SE SLC-40E BVL-PIH
  AREA TS MOV FROM 26045KT. TOPS TO FL270.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the route from 40 to 339 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 189 to 867 nm out.
• AIRMET ZULU 2C: moderate icing up to 18,000 ft. Over the route from 209 to 279 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 379 to 508 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 389 to 807 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 608 to 817 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 648 to 1087 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 837 to 1047 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 PAE.

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

Not fetched just now.

At BRO when you get there the forecast at the estimated arrival, 10:07 pm CDT (03:07 UTC)

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

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

• 5/6914 South Padre Island, TX, Tuesday, May 6, 2025 Local 16 nm from the route, at the destination end · security · ended 6 May · ZHU
• 5/3679 Brownsville, TX, Thursday, January 1, 2026 through Friday, January 1, 2027 Local 13 nm from the route, at the destination end · security · until 1 January · ZHU
• 5/3678 Brownsville, TX, Thursday, January 1, 2026 through Friday, January 1, 2027 Local 8 nm from the route, at the destination end · security · until 1 January · ZHU

Daylight

Sunset at PAE 6:24 pm PDT (01:24 UTC), at BRO 7:04 pm CDT (00:04 UTC) (civil twilight ends 7:27 pm CDT (00:27 UTC)). At 120 knots the arrival at BRO is after sunset there (7:05 pm CDT (00:05 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.