Casper/Natrona County International to Rapid City Regional CPR → RAP

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

• SIGMET 2C: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 10:55 pm MDT (04:55 UTC). Over the route from 19 to 48 nm out.
  as issued

  WSUS32 KKCI 120255
  MKCC WST 120255
  CONVECTIVE SIGMET 2C
  VALID UNTIL 0455Z
  NE CO WY
  FROM 40SE CZI-30WNW BFF-30SSE LAR-70NW LAR-40SE CZI
  AREA TS MOV FROM 22040KT. TOPS TO FL310.

• 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 first 38 nm of the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the first 154 nm of the route.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 77 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). Over the last 19 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 CPR.

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

• urgent CRJ2 at 7,000 ft, 2 nm northeast, 7:04 pm MDT (01:04 UTC): moderate turbulence, remarks: low-level wind shear dept runway 03 gain/loss unknown. At the departure end, 2 nm northeast of the line.
  as filed, and in English

  CPR UUA /OV CPR035002/TM 0104/FL070/TP CRJ2/TB CONT MOD TURB/RM LLWS DEPT RY03 GAIN/LOSS UNKN

  Report

  an urgent report filed through CPR

  Where

  2 nm northeast (035°) of CPR

  Time

  01:04 UTC

  Height

  at 7,000 ft

  Aircraft

  CRJ2

  Turbulence

  continuous moderate turbulence

  Remarks

  low-level wind shear dept runway 03 gain/loss unknown

• CRJ2 at 9,000 ft, 15 nm southwest, 6:35 pm MDT (00:35 UTC): light chop turbulence, vmc, remarks: occasional moderate turbulence at at 15,000 ft. At the departure end, 15 nm southwest of the line.
  as filed, and in English

  CPR UA /OV CPR215015/TM 0035/FL090/TP CRJ2/WX VMC/TB LGT CHOP/RM OCNL MOD TURB AT 150

  Report

  a routine report filed through CPR

  Where

  15 nm southwest (215°) of CPR

  Time

  00:35 UTC

  Height

  at 9,000 ft

  Aircraft

  CRJ2

  Weather

  visual conditions

  Turbulence

  light chop

  Remarks

  occasional moderate turbulence at at 15,000 ft

• BE20 at 15,000 ft, 32 nm northwest, 7:56 pm MDT (01:56 UTC): -5 °C, remarks: clear out at at 22,000 ft ZDVWC-31. 115 nm along the route, 32 nm northwest of the line.
  as filed, and in English

  CUT UA /OV ECS340020/TM 0156/FL150/TP BE20/TA M05/IC T RIME 150-180/RM CLR OUT AT 220 ZDVWC-31

  Report

  a routine report filed through CUT

  Where

  20 nm north (340°) of ECS

  Time

  01:56 UTC

  Height

  at 15,000 ft

  Aircraft

  BE20

  Temperature

  −5 °C

  Icing

  T rime from 15,000 ft to 18,000 ft

  Remarks

  clear out at at 22,000 ft ZDVWC-31

At RAP when you get there the forecast at the estimated arrival, 10:28 pm MDT (04:28 UTC)

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

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

No temporary flight restriction on or near this route right now.

Daylight

Sunset at CPR 6:28 pm MDT (00:28 UTC), at RAP 6:13 pm MDT (00:13 UTC) (civil twilight ends 6:42 pm MDT (00:42 UTC)). At 120 knots the arrival at RAP is after sunset there (6:15 pm MDT (00:15 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.