George Bush Intcntl/Houston Airport to Joslin Fld/Magic Valley Regional IAH → TWF

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

• SIGMET W21W: thunderstorms (a convective SIGMET) up to 27,000 ft, moving from the southwest at 20 knots, until 7:55 am CDT (12:55 UTC). Over the route from 1098 to 1148 nm out.
  as issued

  WSUS33 KKCI 121055
  MKCW WST 121055
  CONVECTIVE SIGMET 21W
  VALID UNTIL 1255Z
  UT ID NV
  FROM 40ENE TWF-20SSE PIH-40E BVL-20WNW BVL-40ENE TWF
  AREA TS MOV FROM 24020KT. TOPS TO FL270.

• 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 280 to 379 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 579 to 1008 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 609 to 689 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 629 to 839 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 409 nm of the route.
• 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 819 to 878 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the last 359 nm of the route.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 858 to 1038 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 last 40 nm of the route.

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 IAH.

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

• SF30 at 21,000 ft, 2 nm south, 4:35 am CDT (09:35 UTC): light rime icing, -10 °C, remarks: zhu. At the departure end, 2 nm south of the line.
  as filed, and in English

  IAH UA /OV DAS02002/TM 0935/FL210/TP SF30/TA M10/IC LGT RIME/RM ZHU

  Report

  a routine report filed through IAH

  Where

  DAS02002

  Time

  09:35 UTC

  Height

  at 21,000 ft

  Aircraft

  SF30

  Temperature

  −10 °C

  Icing

  light rime

  Remarks

  zhu

• A359 at 38,000 ft, 15 nm southwest, 5:13 am CDT (10:13 UTC): light chop turbulence, remarks: ZDVWC-37. 769 nm along the route, 15 nm southwest of the line.
  as filed, and in English

  GUC UA /OV HBU185015/TM 1013/FL380/TP A359/TB CONS LGT CHOP/RM ZDVWC-37

  Report

  a routine report filed through GUC

  Where

  15 nm south (185°) of HBU

  Time

  10:13 UTC

  Height

  at 38,000 ft

  Aircraft

  A359

  Turbulence

  continuous light chop

  Remarks

  ZDVWC-37

• PC12 at 5,000 ft, 10 nm southwest, 6:23 am CDT (11:23 UTC): light to moderate turbulence, no icing, remarks: during the descent zdvwc. 848 nm along the route, 10 nm southwest of the line.
  as filed, and in English

  GJT UA /OV GJT/TM 1123/FL050/TP PC12/TB LGT-MOD/IC NEG/RM DURD. ZDVWC-

  Report

  a routine report filed through GJT

  Where

  over GJT

  Time

  11:23 UTC

  Height

  at 5,000 ft

  Aircraft

  PC12

  Turbulence

  light to moderate

  Icing

  none

  Remarks

  during the descent zdvwc

At TWF when you get there the forecast at the estimated arrival, 2:59 pm MDT (20:59 UTC)

Wind from the west-northwest at 6 knots, visibility more than 6 miles, showers nearby, scattered clouds at 4,000 feet, overcast at 8,000 feet VFR

The whole forecast for TWF

• From Mon 6:00 am MDT (12:00 UTC): wind from the southwest at 7 knots, visibility 6 miles, light rain, mist, scattered clouds at 1,500 feet, overcast at 2,500 feet
• From Mon 10:00 am MDT (16:00 UTC): wind from the west at 7 knots, visibility 6 miles, light rain showers, mist, scattered clouds at 1,500 feet, a broken layer at 3,500 feet
• From Mon 12:00 pm MDT (18:00 UTC): wind from the west-northwest at 6 knots, visibility more than 6 miles, showers nearby, scattered clouds at 4,000 feet, overcast at 8,000 feet
• From Mon 8:00 pm MDT (02:00 UTC): wind from the west-southwest at 8 knots, visibility more than 6 miles, showers nearby, overcast at 4,000 feet
• From Tue 1:00 am MDT (07:00 UTC): wind from the west-southwest at 11 knots, gusting to 20, visibility 6 miles, light rain showers, mist, scattered clouds at 1,500 feet, overcast at 3,500 feet

The forecast for IAH, the departure

• From Mon 7:00 am CDT (12:00 UTC): wind from the east-southeast at 6 knots, visibility more than 6 miles, scattered clouds at 2,500 feet, scattered clouds at 25,000 feet
• From Mon 11:00 am CDT (16:00 UTC): wind from the southeast at 12 knots, visibility more than 6 miles, scattered clouds at 3,500 feet, a broken layer at 25,000 feet
• 30% chance between Mon 1:00 pm CDT (18:00 UTC) and 4:00 pm CDT (21:00 UTC): light rain showers
• From Mon 4:00 pm CDT (21:00 UTC): wind from the southeast at 13 knots, gusting to 20, visibility more than 6 miles, scattered clouds at 10,000 feet
• From Mon 10:00 pm CDT (03:00 UTC): wind from the southeast at 6 knots, visibility more than 6 miles, scattered clouds at 1,500 feet, overcast at 5,000 feet
• At times between Tue 5:00 am CDT (10:00 UTC) and 8:00 am CDT (13:00 UTC): overcast at 1,500 feet

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

• 6/0543 MCGREGOR, TX 13 nm from the route, 140 nm along the route · security · ZFW

Daylight

Sunset at IAH 6:54 pm CDT (23:54 UTC), at TWF 6:59 pm MDT (00:59 UTC) (civil twilight ends 7:27 pm MDT (01:27 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.