Winds/Temps Info: Data

Wind/Temp Text (FB Winds)

The Winds/Temps text data are the official FB Winds product from NCEP. This provides winds from 3000 to 53,000 feet out to 6, 12 and 24 hours. The data is extracted from model output for individual airports represented by a 3 letter IATA identifier. The data are grouped by region. Here is a sample:

  DATA BASED ON 061800Z
  VALID 070000Z   FOR USE 2000-0300Z. TEMPS NEG ABV 24000

  FT  3000    6000    9000   12000   18000   24000  30000  34000  39000
  BRL 2313 2512+02 2811-02 3116-09 3336-22 3546-33 355949 355659 312855
  DBQ 2122 2413+02 2715-02 3021-09 3334-21 3646-33 345849 345459 323256
  DSM 2128 2319+03 2817-01 3020-06 3230-18 3333-32 334649 346958 333660
  MCW 2136 2427+04 2627-01 2821-07 3131-19 3237-32 325050 337359 324359

The data block shows ddffttt where dd is the wind direction in 10s of degrees, ff is the win speed in knots and ttt is the temperature in Celsius. At higher levels, the sign for the temperature is not needed since it's assumed all values are negative. If the first digit of the wind direction is greater than 4, then the wind speed is greater than 100. For example, 810550 would be 310 degrees (80-50) at 105 knots and the temperature is -50C.

URL Options

Here is a list of the URL options:

  • level={low|high} - The level which is either low or high. The default is low.
  • fcst={06|12|24} - Specifies the forecast time. The default is 06.
  • region=XXX - Specifies the region. The default is "chi".
    • bos - Northeast - Boston
    • mia - Southeast - Miami
    • chi - Northcentral - Chicago
    • dfw - Southcentral - Dallas Fort Worth
    • slc - Rocky Mountains - Salt Lake City
    • sfo - Pacific Coast - San Francisco
    • alaska - Alaska
    • hawaii - Hawaii
    • other_pac - Western Pacific


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