IRFP-01
Metro Review
e. Hazards
(1) Thunderstorms with surface winds of 50 kts or more
(2) Thunderstorms containing hail 3/4-inch diameter or greater
at surface
(3) Tornadoes
f.
Flight restrictions as stated in OPNAVINST 3710.7
(1) Navy pilots will not file into or fly through WW areas
(2) Exceptions to OPNAVINST severe weather restrictions
21.1.1.4.7
(a) Operational necessity
(b) Research/weather reconnaissance
(c) Emergencies
(d) Storm development has not progressed as forecast
and when flight
i)
Remains in VFR conditions, or
ii)
If in IFR conditions, aircraft has operable weather
radar
(e) Aircraft capable of flying above existing or developing
severe storms
3. CNATRA Weather Warning (CAWW) 21.1.1.4.8
a. Issued by forecasters at the Chief of Naval Air Training
(CNATRA)
b. Defines areas of hazardous weather pertinent to all Naval Air
Training Command activities
c.
Disseminated as needed
d. Format - Report lists hazards and affected areas
e. Hazards
(1) Severe thunderstorms (wind gusts 50 kts or more or hail
3/4" diameter or larger)
(2) Embedded thunderstorms
(3) Line of thunderstorms
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