IRFP-01
Metro Review
3. Issuance and Valid Times
a. Prepared 3 times a day in the contiguous states and Alaska
(4 times a day in Hawaii)
b. Valid beginning the hour after the scheduled issue time
c.
The Gulf FA is prepared twice daily
4. Preparation of the Area Forecast
Fig 29: Area
Forecast (FA)
a. Only authorized contractions (see FAA Handbook 7340.1)
should be used
NOTE: Observed weather abbreviations (R, S, F, etc.), 2-letter
state and great lake designators and location identifiers should
be used.
b. All times stated in whole hours (2 digits), using UCT and
qualifiers such as BY, UNTIL, AFT, THRU, BYD
c.
Visibilities in statute miles, all other distances in nautical miles,
speeds in knots
d. Commas or colons in a sentence indicated by three dots (...)
5. Hazards/Flight Precautions section
a. Covers 12-hour period beginning with one valid time
b. Section depicts weather impacting the area or a negative
report
c.
Section serves only as a flag alerting user that conditions are
meeting, or are expected to meet, AIRMET, SIGMET, or
convective SIGMET criteria
NOTE: Detail needed for preflight or flight resides in the
appropriate In-Flight Advisory.
d. Hazards section always has a Flight Precautions entry; if none
expected, “NONE EXPT” shall be stated
e. Every HAZARDS section will conclude with the statement
“TSTMS IMPLY PSBL SVR OR GTR TURBC ICG LLWS AND
IFR CONDS”
f.
The reference plane within the FA sections is mean sea level
(MSL) unless otherwise noted
NOTE: The statement “NON MSL HGTS DENOTED BY AGL
OR CIG” shall be included in the hazards section.
(8-97) Original
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