October 10, 2019

  GFS Forecast: analysis time: 12Z 2019-10-04 :: valid time: 21Z 2019-10-10( Alaska LT: Thur. 2019-10-10 13:00PM)


Links to plots Below

Sea ice contours: 15% (blue), 50% (black), 90% (red)

2-m temperature contour: -1.8 °C

U/V transect contour: 0 m/s 


Update [12:00PM, Fri., Oct. 04, 2019 PST]:

Sea ice edge at 77.8 °N. Good surface visibility and ceiling height south of 76.5 °N. Cloudy at 72 °N and 73.5 °N. Surface temperature gets below 0 °C and close to -4 °C at 75 °N. 

A cyclone centered at 77 °N and 120 °W. Mostly northwesterly winds along the flight path. 

Update [15:00PM, Thur., Oct. 03, 2019 PST]:

Sea ice edge at 77.5 °N. Good surface visibility and ceiling height north of 76 °N. Surface temperature gets below 0 °C and close to -2 °C at 77 °N. 

A cyclone centered at 83 °N. Mostly westerly winds along the flight path. Few cloud cover.  

Update [14:45PM, Wed., Oct. 02, 2019 PST]:

Sea ice edge at 77.5 °N. Good surface visibility and ceiling height north of 72 °N. Surface temperature gets below 0 °C and close to -5 °C at 77 °N. 

The 150 °N line has not much weather, calm northerly winds, with thin low clouds. 

 

 


    • Flight information

2019-10-10 13PM Alaska LT

2019-10-10 13PM Alaska LT


  • Pan-Arctic maps

Sea ice concentration at analysis time

Mean sea leve pressure at valid time

700 hPa Geopotential Height

700 hPa temperature

700 hPa relative humidity

700 hPa wind speed

Pressure on 2PVU surface

Pressure on 2PVU surface

Low-level cloud cover

Mid-level cloud cover

 

  • Beaufort and Chukchi seasonal ice zone (the map is centered at 150 °W)

 middle cloud fraction

Sea ice concentration at analysis time

Mean sea leve pressure at valid time

2-m air temperature

2-m relative humidty

low cloud fraction

middle cloud fraction

 

  • Flight conditions at different altitudes along 150 °W

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