Training Guide in Surface Weather Observations - Multiple Choices
Training Guide in Surface Weather Observations - Multiple Choices
Training Guide in Surface Weather Observations - Multiple Choices
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4.1 Present <strong>Weather</strong> - w’w’<br />
CHAPTER 4<br />
PRESENT WEATHER<br />
Present weather <strong>in</strong>cludes precipitation, obscurations, well-developed dust/sand whirls, squalls, tornadic<br />
activity, thunderstorms, sandstorms, and duststorms.<br />
The table below gives the abbreviations used to report atmospheric phenomena.<br />
INTENSITY OR<br />
PROXIMITY<br />
1<br />
Light<br />
Moderate<br />
(no symbol used)<br />
+ Heavy<br />
VC In the<br />
Vic<strong>in</strong>ity<br />
Notations for Report<strong>in</strong>g Present <strong>Weather</strong><br />
QUALIFIER WEATHER PHENOMENA<br />
DESCRIPTOR<br />
2<br />
MI Shallow<br />
PR Partial<br />
BC Patches<br />
DR Low Drift<strong>in</strong>g<br />
BL Blow<strong>in</strong>g<br />
SH Shower(s)<br />
TS Thunderstorm<br />
FZ Freez<strong>in</strong>g<br />
PRECIPITATION<br />
1 The contraction “PE” for ice pellets will change to “PL” at a future date. All observers<br />
will be notified when this change takes effect.<br />
3<br />
DZ Drizzle<br />
RA Ra<strong>in</strong><br />
SN Snow<br />
SG Snow Gra<strong>in</strong>s<br />
IC Ice Crystals<br />
1<br />
PE Ice Pellets<br />
GR Hail<br />
( 1/4 <strong>in</strong>ch)<br />
GS Small Hail<br />
and/or Snow<br />
Pellets<br />
(