John Wayne/Orange County to Missoula Montana Airport SNA → MSO

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

• SIGMET W16W: thunderstorms (a convective SIGMET) up to 27,000 ft, moving from the southwest at 20 knots, until 1:55 am PDT (08:55 UTC). Over the route from 258 to 357 nm out.
  as issued

  WSUS33 KKCI 120655
  MKCW WST 120655
  CONVECTIVE SIGMET 16W
  VALID UNTIL 0855Z
  UT NV
  FROM 50NW BVL-20NE BVL-40SE OAL-20N OAL-50NW BVL
  AREA TS MOV FROM 24020KT. TOPS TO FL270.

• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft, from 11:00 pm PDT (06:00 UTC). Over the route from 10 to 208 nm out.
• AIRMET TANGO 3W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots), from 11:00 pm PDT (06:00 UTC). Over the route from 159 to 179 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft, from 11:00 pm PDT (06:00 UTC). Near the route, 218 nm along the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist), from 11:00 pm PDT (06:00 UTC). Over the last 536 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft, from 11:00 pm PDT (06:00 UTC). Over the route from 298 to 704 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft, from 11:00 pm PDT (06:00 UTC). Over the last 327 nm of the route.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist), from 11:00 pm PDT (06:00 UTC). Over the last 188 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft, from 11:00 pm PDT (06:00 UTC). Over the last 99 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 SNA.

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

• PC12 at 17,000 ft, 45 nm west, 9:52 pm PDT (04:52 UTC): moderate turbulence, moderate rime icing, -15 °C, remarks: entered by zoa fdcs. 258 nm along the route, 45 nm west of the line.
  as filed, and in English

  TPH UA /OV OAL/TM 0452/FL 170/TP PC12/TA M15/TB MOD/IC MOD RIME/RM ENTERED BY ZOA FDCS AWC-WEB

  Report

  a routine report filed through TPH

  Where

  over OAL

  Time

  04:52 UTC

  Height

  at 17,000 ft

  Aircraft

  PC12

  Temperature

  −15 °C

  Turbulence

  moderate

  Icing

  moderate rime

  Remarks

  entered by zoa fdcs

• B38M at 3,000 ft, 14 nm southeast, 10:47 pm PDT (05:47 UTC): a broken layer from 2,900 ft to 8,000 ft, remarks: BASE030. At the departure end, 14 nm southeast of the line.
  as filed, and in English

  ONT UA /OV KONT080005/TM 0547/FL030/TP B38M/SK BKN029-TOP080/RM BASE030

  Report

  a routine report filed through ONT

  Where

  5 nm east (080°) of KONT

  Time

  05:47 UTC

  Height

  at 3,000 ft

  Aircraft

  B38M

  Sky

  a broken layer from 2,900 ft, tops 8,000 ft

  Remarks

  BASE030

• A321 at 3,300 ft, 17 nm east, 9:59 pm PDT (04:59 UTC): a broken layer above 3,300 ft, remarks: during the descent. At the departure end, 17 nm east of the line.
  as filed, and in English

  ONT UA /OV ONT078008/TM 0459/FL033/TP A321/SK BKN033-TOPUNKN/RM DURD

  Report

  a routine report filed through ONT

  Where

  8 nm east (078°) of ONT

  Time

  04:59 UTC

  Height

  at 3,300 ft

  Aircraft

  A321

  Sky

  a broken layer from 3,300 ft, tops unknown

  Remarks

  during the descent

• GLF5 at 3,500 ft, 37 nm west, 9:54 pm PDT (04:54 UTC): overcast above 3,600 ft. At the departure end, 37 nm west of the line.
  as filed, and in English

  VNY UA /OV VNY36006/TM 0454/FL035/TP GLF5/SK OVC036

  Report

  a routine report filed through VNY

  Where

  VNY36006

  Time

  04:54 UTC

  Height

  at 3,500 ft

  Aircraft

  GLF5

  Sky

  overcast from 3,600 ft

At MSO when you get there the forecast at the estimated arrival, 6:24 am MDT (12:24 UTC)

Wind from the east at 4 knots, visibility 4 miles, light snow, mist, overcast at 1,500 feet marginal VFR

The whole forecast for MSO

• From Mon 1:00 am MDT (07:00 UTC): wind from the east at 2 knots, visibility more than 6 miles, showers nearby, scattered clouds at 1,500 feet, a broken layer at 4,000 feet
• From Mon 2:00 am MDT (08:00 UTC): wind from the east at 4 knots, visibility 4 miles, light snow, mist, overcast at 1,500 feet
• From Mon 8:00 am MDT (14:00 UTC): wind from the east-southeast at 4 knots, visibility more than 6 miles, overcast at 5,000 feet
• From Mon 2:00 pm MDT (20:00 UTC): wind from the east-southeast at 5 knots, visibility more than 6 miles, overcast at 10,000 feet

The forecast for SNA, the departure

• From Sun 11:00 pm PDT (06:00 UTC): wind light and variable, visibility more than 6 miles, showers nearby, scattered clouds at 2,500 feet, a broken layer at 5,000 feet
• At times between Mon 2:00 am PDT (09:00 UTC) and 5:00 am PDT (12:00 UTC): a broken layer at 2,500 feet, a broken layer at 5,000 feet
• From Mon 12:00 pm PDT (19:00 UTC): wind from the southwest at 9 knots, visibility more than 6 miles, a broken layer at 5,000 feet
• From Mon 7:00 pm PDT (02:00 UTC): wind light and variable, visibility more than 6 miles, scattered clouds at 3,000 feet, a broken layer at 5,000 feet

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

• 4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 2 nm from the route, at the departure end · security · ZLA

Daylight

Sunset at SNA 6:20 pm PDT (01:20 UTC), at MSO 6:53 pm MDT (00:53 UTC) (civil twilight ends 7:23 pm MDT (01:23 UTC)). At 120 knots the arrival at MSO is before sunrise there (7:49 am MDT (13:49 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.