Understanding Airmets - Honeywell KMD 250 Pilot's Manual

Understanding Weather Reports
/RM: Remarks (for reporting elements not included or to clarify pre-
viously reported items). Remarks can include anything. The
example translates to "moderate (MDT) mixed (MXD) icing during
climb (DURGC) from Roanoke, VA (KROA) northwestbound
(NWBND) between Flight Level 080 and 100 (FL080100) at
1750Z".

UNDERSTANDING AIRMETS

The following is an example of a typical AIRMET with an explanation of
the elements.
1 2
CHIT WA 151900 AMD
5
AIRMET TANGO UPDT 2 FOR TURB
6
VALID UNTIL 160100
AIRMET TURB...KS MO
7
8
FROM MCI TO STL TO SGF TO ICT TO MCI
9
MOD TURB BLW 100 EXPCD
10
CONDS IPVG AFT 160000Z
1. Forecast Area: CHIT
This is the forecast area identifier of the issuing Weather Service
Forecast Office.
BOS Boston
CHI Chicago
DFW Dallas/Ft. Worth
MIA Miami
SFO San Francisco
SLC Salt Lake City
The T denotes the reason for the AIRMET. This could be one of the
following:
S Sierra IFR
T Tango Turbulence
Z Zulu Icing
AIRMET items are considered widespread. Widespread is consid-
ered an area ≥ 3,000 square miles.
Rev 4 Aug/2007
3 4
Ceilings < 1,000 feet and/or visibility
< 3 miles affecting > 50% of the area at
one time or extensive mountain obscu-
ration.
Moderate turbulence, sustained suface
winds of ≥ 30 knots at the surface or
low level windshear.
Moderate icing and/or freezing levels.
2-72
KMD 250 Pilot's Guide