Filter
Top Products
2-72
Section 2
FIS Operation
Understanding Weather Reports
KMD 250 Pilot's Guide
Rev 4 Aug/2007
/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. 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 Ceilings < 1,000 feet and/or visibility
< 3 miles affecting > 50% of the area at
one time or extensive mountain obscu-
ration.
T Tango Turbulence Moderate turbulence, sustained suface
winds of ≥ 30 knots at the surface or
low level windshear.
Z Zulu Icing Moderate icing and/or freezing levels.
AIRMET items are considered widespread. Widespread is consid-
ered an area ≥ 3,000 square miles.
CHIT WA 151900 AMD
AIRMET TANGO UPDT 2 FOR TURB
VALID UNTIL 160100
AIRMET TURB...KS MO
FROM MCI TO STL TO SGF TO ICT TO MCI
MOD TURB BLW 100 EXPCD
CONDS IPVG AFT 160000Z
134
5
2
6
7
8
9
10
KMD 250 FIS_R4 8/13/07 10:07 AM Page 2-72