GRANDFORKSAFBI15-101 — Weather Support Instruction

GRANDFORKSAFBI15-101 governs weather support procedures and services, including observations, forecasts, warnings, watches, advisories, and space weather.

Search GRANDFORKSAFBI15-101

  • Publication number: GRANDFORKSAFBI15-101
  • Title: WEATHER SUPPORT INSTRUCTION
  • Date: 2020-10-21

View GRANDFORKSAFBI15-101 on armypubs.army.mil


It contains requirements for backup observing, TAF issuance, meteorological watches, and resource protection support at Grand Forks Air Force Base. It also covers weather service information, dissemination, and reciprocal support.

Applies to: It applies to units assigned to the 319th Reconnaissance Wing (319 RW), subordinate units, and units assigned, attached, or supported by Grand Forks Air Force Base.

Topics covered

  • Airfield observations
  • TAF support
  • Resource protection support
  • Weather watches and warnings
  • Backup procedures
  • Space weather impacts

Questions and answers

When are backup procedures implemented for an FBWOS failure?

In the event of FBWOS malfunction or failure, back-up procedures will be implemented only during airfield operating hours and/or if tornadic activity is occurring or forecast to occur.

How soon must weather observation elements be observed before reporting?

All element entries must have been observed within 15 minutes of the actual time of the observation with the exception of wind gusts and squalls, which are reported only if they are observed within 10 minutes of the time of the observation. (paragraph 15-111)

How long are Grand Forks AFB TAFs valid?

TAFs are valid for 30 hours, apply to the area within the 5NM area of the Grand Forks AFB airfield complex, and will be issued at 0200, 1000, and 1800 Zulu time. (paragraph 15-111)

What does the 15 OWS monitor for Grand Forks AFB?

The 15 OWS conducts a continuous meteorological watch to identify and assess emerging and imminent threats to Grand Forks AFB. (paragraph 15-111)

What is a weather watch used for?

A weather watch is a special notice to installation personnel/supported units of a potential for the occurrence of environmental conditions of such intensity as to pose a hazard to life or property. (paragraph 5)

Ask Reggie.Bot a question about GRANDFORKSAFBI15-101