Long Beach (Daugherty Field) to Bozeman Yellowstone International LGB → BZN

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

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the route from 10 to 249 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 548 nm of the route.
• AIRMET ZULU 1C: moderate icing up to 22,000 ft. Over the route from 388 to 647 nm out.
• AIRMET SIERRA 11E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 438 to 538 nm out.
• AIRMET SIERRA 7E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, mist). Over the last 70 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 LGB.

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

• UAL1947 at 35,000 ft, 40 nm northwest, 1:00 am PDT (08:00 UTC): moderate turbulence, wind 283° at 44 knots. 209 nm along the route, 40 nm northwest of the line.
  as filed, and in English

  ARP UAL1947 3722N 11715W 0800 F350 283/044KT TB MODERATE SK IC

  Report

  a routine report filed through ARP

At BZN when you get there the forecast at the estimated arrival, 8:18 am MDT (14:18 UTC)

Wind light and variable, visibility 1 mile, mist, scattered clouds at 200 feet IFR

BZN:

TAF KBZN 130520Z 1306/1412 VRB03KT 6SM BR FEW004 TEMPO 1306/1309 1SM BR OVC004 FM130900 VRB03KT 1SM BR SCT002 FM131800 VRB06KT 6SM BR SCT002 BKN008 FM140200 VRB06KT 1SM BR SCT001

LGB:

TAF KLGB 130534Z 1306/1406 VRB03KT P6SM SKC FM132000 26010KT P6SM SKC

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

• 4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 9 nm from the route, at the departure end · security · ZLA

Notices to air missions closures and things out of service at both ends; airspace, navigation aids and obstructions near the line

LGB: 20 notices in force, 3 starting within a week. all of them, grouped →

• closed Taxiway C2 closed until Tue 13 Oct, 8:00 am PDT (15:00 UTC) · LGB 10/057
  as issued

  !LGB 10/057 LGB TWY C2 CLSD 2610130340-2610131500

• closed Taxiway C between taxiway G and taxiway K closed until Tue 13 Oct, 8:00 am PDT (15:00 UTC) · LGB 10/058
  as issued

  !LGB 10/058 LGB TWY C BTN TWY G AND TWY K CLSD 2610130340-2610131500

• closed Apron Helipad 2, 3, 4 closed until Tue 13 Oct, 8:00 am PDT (15:00 UTC) · LGB 10/059
  as issued

  !LGB 10/059 LGB APRON HELIPAD 2, 3, 4 CLSD 2610130340-2610131500

• closed Taxiway B between runway 12/30 and taxiway A closed until further notice · LGB 12/016
  as issued

  !LGB 12/016 LGB TWY B BTN RWY 12/30 AND TWY A CLSD 2512051819-PERM

BZN: 25 notices in force, 1 starting within a week. all of them, grouped →

• closed Taxiway E closed until further notice · BZN 05/031
  as issued

  !BZN 05/031 BZN TWY E CLSD 2605071501-PERM

48 notices near the line, the first 30 (airspace and special activity within 25 nm, navigation aids within 25 nm, obstructions within 5 nm):

• Navigation aid ILS runway 24L out of service until Tue 13 Oct, 6:30 am PDT (13:30 UTC) · 0 nm along the route, 16 nm off the line · LAX 10/062
  as issued

  !LAX 10/062 LAX NAV ILS RWY 24L U/S 2610130800-2610131330

• Navigation aid ILS runway 06R out of service until Tue 13 Oct, 6:30 am PDT (13:30 UTC) · 0 nm along the route, 16 nm off the line · LAX 10/063
  as issued

  !LAX 10/063 LAX NAV ILS RWY 06R U/S 2610130800-2610131330

• Navigation aid DME out of service until Wed 27 Oct 2027, 4:59 pm PDT (23:59 UTC), estimated · 0 nm along the route, 23 nm off the line · ELB 10/038
  as issued

  !RAL 10/038 ELB NAV DME U/S 2610042309-2710272359EST

• Obstruction tower lights (ASN 2020-AWP-4757-OE) 34°02′N 118°02′W (3 nautical miles south EMT) 437 ft (203 ft above ground level) out of service until Tue 20 Oct, 9:22 pm PDT (04:22 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/010
  as issued

  !EMT 10/010 EMT OBST TOWER LGT (ASN 2020-AWP-4757-OE) 340209N1180210W (3NM S EMT) 437FT (203FT AGL) U/S 2610070422-2610210422

• Obstruction tower lights (ASR 1052529) 34°02′N 117°58′W (4.1 nautical miles southeast EMT) 782.8FT (489.8FT above ground level) out of service until Sat 17 Oct, 9:20 am PDT (16:20 UTC) · 20 nm along the route, 6 nm off the line · EMT 10/008
  as issued

  !EMT 10/008 EMT OBST TOWER LGT (ASR 1052529) 340200.80N1175859.00W (4.1NM SE EMT) 782.8FT (489.8FT AGL) U/S 2610021620-2610171620

• Obstruction tower lights (ASN 2011-AWP-2032-OE) 34°09′N 117°56′W (6 nautical miles northeast EMT) 907 ft (231 ft above ground level) out of service until Sat 17 Oct, 7:36 am PDT (14:36 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/007
  as issued

  !EMT 10/007 EMT OBST TOWER LGT (ASN 2011-AWP-2032-OE) 340900N1175636W (6NM NE EMT) 907FT (231FT AGL) U/S 2610021437-2610171436

• Obstruction tower lights (ASN 2013-AWP-4380-OE) 34°04′N 118°00′W (1.9 nautical miles southeast EMT) 524 ft (221 ft above ground level) out of service until Sat 17 Oct, 7:34 am PDT (14:34 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/004
  as issued

  !EMT 10/004 EMT OBST TOWER LGT (ASN 2013-AWP-4380-OE) 340421N1180001W (1.9NM SE EMT) 524FT (221FT AGL) U/S 2610021435-2610171434

• Obstruction tower lights (ASN 2013-AWP-4383-OE) 34°03′N 118°00′W (2.2 nautical miles southeast EMT) 492 ft (209 ft above ground level) out of service until Sat 17 Oct, 7:34 am PDT (14:34 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/005
  as issued

  !EMT 10/005 EMT OBST TOWER LGT (ASN 2013-AWP-4383-OE) 340328N1180019W (2.2NM SE EMT) 492FT (209FT AGL) U/S 2610021435-2610171434

• Obstruction tower lights (ASN 2013-AWP-4365-OE) 34°06′N 117°59′W (2.7 nautical miles east EMT) 621 ft (252 ft above ground level) out of service until Sat 17 Oct, 7:34 am PDT (14:34 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/003
  as issued

  !EMT 10/003 EMT OBST TOWER LGT (ASN 2013-AWP-4365-OE) 340606N1175905W (2.7NM E EMT) 621FT (252FT AGL) U/S 2610021435-2610171434

• Obstruction tower lights (ASN 2013-AWP-4410-OE) 34°02′N 118°05′W (4.2 nautical miles southwest EMT) 620 ft (209 ft above ground level) out of service until Sat 17 Oct, 7:34 am PDT (14:34 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/006
  as issued

  !EMT 10/006 EMT OBST TOWER LGT (ASN 2013-AWP-4410-OE) 340212N1180539W (4.2NM SW EMT) 620FT (209FT AGL) U/S 2610021435-2610171434

• Obstruction tower lights (ASN 2013-AWP-4337-OE) 34°09′N 117°56′W (6.3 nautical miles northeast EMT) 2,076 ft (234 ft above ground level) out of service until Sat 17 Oct, 7:33 am PDT (14:33 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/001
  as issued

  !EMT 10/001 EMT OBST TOWER LGT (ASN 2013-AWP-4337-OE) 340931N1175637W (6.3NM NE EMT) 2076FT (234FT AGL) U/S 2610021434-2610171433

• Obstruction tower lights (ASN 2013-AWP-4364-OE) 34°06′N 117°58′W (2.8 nautical miles northeast EMT) 596 ft (244 ft above ground level) out of service until Sat 17 Oct, 7:33 am PDT (14:33 UTC) · 20 nm along the route, 3 nm off the line · EMT 10/002
  as issued

  !EMT 10/002 EMT OBST TOWER LGT (ASN 2013-AWP-4364-OE) 340617N1175857W (2.8NM NE EMT) 596FT (244FT AGL) U/S 2610021434-2610171433

• Navigation aid ILS runway 26R category II/III not authorized until Wed 30 Dec, 3:59 pm PST (23:59 UTC) · 20 nm along the route, 20 nm off the line · ONT 06/074
  as issued

  !ONT 06/074 ONT NAV ILS RWY 26R CAT II/III NA 2606250734-2612302359

• Navigation aid ILS runway 26L inner marker out of service until Mon 15 Nov 2027, 1:11 pm PST (21:11 UTC), estimated · 20 nm along the route, 20 nm off the line · ONT 04/062
  as issued

  !ONT 04/062 ONT NAV ILS RWY 26L IM U/S 2604152229-2711152111EST

• Navigation aid ILS runway 08 outer marker out of service until Tue 13 Oct, 2:11 pm PDT (21:11 UTC), estimated · 20 nm along the route, 18 nm off the line · BUR 04/012
  as issued

  !BUR 04/012 BUR NAV ILS RWY 08 OM U/S 2604021206-2610132111EST

• Navigation aid VOR out of service until Sat 27 Feb, 3:59 pm PST (23:59 UTC) · 60 nm along the route, 18 nm off the line · VCV 07/002
  as issued

  !VCV 07/002 VCV NAV VOR U/S 2607101946-2702272359

• Obstruction Antenna lights (ASN 1993-ANM-356-OE) 42°42′N 113°02′W (11.3 nautical miles WSW U01) 4,770 ft (200 ft above ground level) out of service until Sat 17 Oct, 4:59 pm PDT (23:59 UTC) · 587 nm along the route, 8 nm off the line · U01 07/125
  as issued

  !BOI 07/125 U01 OBST ANTENNA LGT (ASN 1993-ANM-356-OE) 424212N1130255W (11.3NM WSW U01) 4770FT (200FT AGL) U/S 2607170049-2610172359

• Navigation aid ILS runway 21 localizer out of service until Tue 20 Oct, 1:00 pm PDT (20:00 UTC), estimated · 647 nm along the route, 25 nm off the line · IDA 10/050
  as issued

  !IDA 10/050 IDA NAV ILS RWY 21 LOC U/S 2610122131-2610202000EST

• Obstruction tower lights (ASR Unknown) 44°03′N 112°32′W (12.90 nautical miles north 1U2) 5,030 ft (199 ft above ground level) out of service until Tue 13 Oct, 11:00 pm PDT (06:00 UTC) · 677 nm along the route, 4 nm off the line · DBS 08/315
  as issued

  !BOI 08/315 DBS OBST TOWER LGT (ASR UNKNOWN) 440354.07N1123212.05W (12.90NM N 1U2) 5030FT (199FT AGL) U/S 2608300538-2610140600

• Airspace unmanned aircraft (drones) within an area defined as 3.9 nautical miles radius of 33°58′N 118°16′W (4.2 nautical miles northeast HHR) the surface-200 ft above ground level until Thu 15 Oct, 11:59 pm PDT (06:59 UTC) · 0 nm along the route, 15 nm off the line · LAX 10/098
  as issued

  !LAX 10/098 LAX AIRSPACE UAS WI AN AREA DEFINED AS 3.9NM RADIUS OF 335813N1181638W (4.2NM NE HHR) SFC-200FT AGL 2610121933-2610160659

• Navigation aid ILS runway 29R glide path not monitor until Wed 28 Oct, 4:59 pm PDT (23:59 UTC), estimated · 0 nm along the route, 9 nm off the line · TOA 10/003
  as issued

  !TOA 10/003 TOA NAV ILS RWY 29R GP NOT MNT 2610071507-2610282359EST

• Airspace unmanned aircraft (drones) within an area defined as 2 nautical miles radius of 33°53′N 118°23′W (3.3 nautical miles southwest HHR) the surface-400 ft above ground level until Sat 31 Oct, 4:59 pm PDT (23:59 UTC) · 0 nm along the route, 15 nm off the line · LAX 09/342
  as issued

  !LAX 09/342 LAX AIRSPACE UAS WI AN AREA DEFINED AS 2NM RADIUS OF 335314N1182345W (3.3NM SW HHR) SFC-400FT AGL 2610010000-2610312359

• Airspace unmanned aircraft (drones) within an area defined as 2 nautical miles radius of 33°48′N 118°21′W (.5 nautical miles NNW TOA) the surface-400 ft above ground level daily 6:00 am PDT to 11:00 pm PDT until Sat 31 Oct, 11:00 pm PDT (06:00 UTC) · Daily:1300-0600~DLY 6:00 am PDT to 11:00 pm PDT · 0 nm along the route, 9 nm off the line · TOA 09/006
  as issued

  !TOA 09/006 TOA AIRSPACE UAS WI AN AREA DEFINED AS 2NM RADIUS OF 334858N1182101W (.5NM NNW TOA) SFC-400FT AGL DLY 1300-0600 2609051300-2611010600

• Airspace unmanned aircraft (drones) within an area defined as 2.5 nautical miles radius of 33°57′N 118°20′W (1.8 nautical miles NNW HHR) the surface-200 ft until Wed 14 Jul, 4:59 pm PDT (23:59 UTC) · 0 nm along the route, 11 nm off the line · HHR 08/030
  as issued

  !HHR 08/030 HHR AIRSPACE UAS WI AN AREA DEFINED AS 2.5NM RADIUS OF 335707.60N1182019W (1.8NM NNW HHR) SFC-200FT DLY 0000-2359 2608140000-2707142359

• Airspace unmanned aircraft (drones) within an area defined as 33°27′N 117°34′W (17.2 nautical miles northwest L18) to 33°30′N 117°34′W (19 nautical miles northwest L18) to 33°31′N 117°33′W (18 nautical miles northwest L18) to 33°29′N 117°30′W (15.3 nautical miles northwest L18) to 33°28′N 117°32′W (16 nautical miles northwest L18) to Point of Origin the surface-1,500 ft until Wed 30 Dec, 10:00 pm PST (06:00 UTC) · 0 nm along the route, 23 nm off the line · ELB 08/013
  as issued

  !RAL 08/013 ELB AIRSPACE UAS WI AN AREA DEFINED AS 332721N1173417W (17.2NM NW L18) TO 333049N1173449W (19NM NW L18) TO 333116N1173302W (18NM NW L18) TO 332926N1173041W (15.3 NM NW L18) TO 332835N1173207W (16NM NW L18) TO POINT OF ORIGIN SFC-1500FT 2608041618-2612310600

• Navigation aid VOR/DME not monitor until Fri 19 Mar, 1:00 pm PDT (20:00 UTC) · 0 nm along the route, 23 nm off the line · ELB 03/077
  as issued

  !RAL 03/077 ELB NAV VOR/DME NOT MNT 2603190208-2703192000

• Navigation aid VOR 060-100 Unusable until Sat 17 Oct, 4:59 pm PDT (23:59 UTC) · 0 nm along the route, 23 nm off the line · ELB 10/075
  as issued

  !RAL 10/075 ELB NAV VOR 060-100 UNUSABLE 2510170310-2610172359

• Airspace unmanned aircraft (drones) within an area defined as 2 nautical miles radius of 34°04′N 118°24′W (4 nautical miles northeast SMO) the surface-400 ft above ground level daily 9:00 am PDT to 10:00 pm PDT until Mon 30 Nov, 9:00 pm PST (05:00 UTC) · Daily:1600-0500~DLY 9:00 am PDT to 10:00 pm PDT · 10 nm along the route, 19 nm off the line · SMO 08/024
  as issued

  !SMO 08/024 SMO AIRSPACE UAS WI AN AREA DEFINED AS 2NM RADIUS OF 340447N1182419W (4NM NE SMO) SFC-400FT AGL DLY 1600-0500 2609011600-2612010500

• Airspace unmanned aircraft (drones) within an area defined as 1.5 nautical miles radius of 34°01′N 118°28′W (.8 nautical miles northwest SMO) the surface-400 ft above ground level daily 9:00 am PDT to 7:00 pm PDT until Thu 5 Nov, 6:00 pm PST (02:00 UTC) · Daily:1600-0200~DLY 9:00 am PDT to 7:00 pm PDT · 10 nm along the route, 19 nm off the line · SMO 08/007
  as issued

  !SMO 08/007 SMO AIRSPACE UAS WI AN AREA DEFINED AS 1.5NM RADIUS OF 340135N1182858W (.8NM NW SMO) SFC-400FT AGL DLY 1600-0200 2608061600-2611060200

• Airspace unmanned aircraft (drones) within an area defined as 33°54′N 118°00′W (2.0 nautical miles northwest FUL) to 33°54′N 118°03′W (3.9 nautical miles WNW FUL) to 33°50′N 118°03′W (4.2 nautical miles southwest FUL) to 33°50′N 117°57′W (2.8 nautical miles southeast FUL) to 33°52′N 117°57′W (1.5 nautical miles east FUL) to 33°52′N 118°00′W (1.1 nautical miles WSW FUL) to Point of Origin the surface-400 ft above ground level daily 5:00 pm PDT to 4:59 pm PDT until Thu 31 Dec, 3:59 pm PST (23:59 UTC) · 10 nm along the route, 8 nm off the line · FUL 03/011
  as issued

  !FUL 03/011 FUL AIRSPACE UAS WI AN AREA DEFINED AS 335400N1180000W
   (2.0NM NW FUL) TO 335400N1180300W (3.9NM WNW FUL) TO 335000N1180300W
   (4.2NM SW FUL) TO 335000N1175700W (2.8NM SE FUL) TO 335200N1175700W
   (1.5NM E FUL) TO 335200N1180000W (1.1NM WSW FUL) TO POINT OF ORIGIN
   SFC-400FT AGL DLY 0000-2359 2604020000-2612312359

From the FAA's notice service (NOTAMs), the site's copy refreshed every few minutes; last checked 1 minutes ago. The FAA has so far issued eFlight its test feed, which misses some notices (checked against the FAA's own search on 12 October: about a third missing at Santa Barbara and Burbank, none at Atlanta or Las Vegas); the request for the full feed is with the FAA. Times are local to the field. This is for planning; the legal briefing comes from Flight Service or the FAA's own tools.

Daylight

Sunset at LGB 6:20 pm PDT (01:20 UTC), at BZN 6:40 pm MDT (00:40 UTC) (civil twilight ends 7:10 pm MDT (01:10 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times.