1What two forms are weather information found?
Reports
Forecasts
2What is a weather report?
The curent weather information
3What is a forecast?
Prediction of future weather
4When are VFR conditions met?
When the ceiling is greater than 3,000ft and the visibility is greater than 5 miles
5When are MVFR conditions met? (Marginal VFR), one step down from VFR
When the ceiling is 1,000 to 3,000ft and the visibility is 3 to 5 miles
6When are IFR conditions met?
When the ceiling is less than 1,000ft and the visibility is less than 3 miles
7Where do you obtain weather information?
Online - aviationweather.gov
Apps - Hover, kitthawk, aeroweather
Flight Service Station (FSS) - 1-800-WX-BRIEF
8What are the types of briefing in a weather report?
Standard - Complete weather picture and the most detailed
Abbreviated - Shortened version of a standard briefing
Outlook - For flights more than 6 hours into the future
9What is AWOS?
Automated Weather Observing Systems
10What is ASOS?
Automated Surface Observing Systems
11What does METAR mean?
Aviation Routine Weather Report
12What is the METAR?
Accurate depiction of the current weather conditions
Standard internation format
Issued hourly unless a significant change occurs
13What does this mean?
KPRC 161853Z 20016G22KT 10SM CLR
19/M15 A3003 RMK A02 SLP103
T01891150
KPRC - Airport identier (WILL BE DIFFERENT FOR EVERY AIRPORT BUT USA STARTS WITH "K")
161853Z - 16: 16th day of the month, 1853Z: Time of day in Zulu time (standard time or greenwhich time)
20016G22KT - 200: Wind direction (true north), 16G22KT: 16 knots gusting to 22 knots
10SM - Visibility is 10 statute miles
CLR - Sky is clear
19/M15 - Temperature is 19ºC, Dew point: -15ºC (The "M" means minus in this case)
A3003 - Altimeter setting: 30.03 in/Hg
RMK AO2 SLP103 - RMK: Remarks, A02: Percipitation discriminatory station, SLP103: Sea-level pressure 1010.3 HPa
T01891150 - Temperature: 18.9ºC, dewpoint: -15.0ºC
14What does this mean?
KABE 161851Z 25010KT 10SM -RA BKN009
BKN017 OVC035 12/11 A2940 RMK AO2
WSHFT 1813 RAB18 SLP957 P0018 T01220106
KABE - Airport
161851Z - 16th day of the month, 1851 zulu time
25010KT - Winds from 250 (true north) at 10 knots
10SM - Visibility is 10 statute miles
-RA BKN009 BKN017 OVC035 - -RA means ( - is light) light rain, BKN009: Ceiling broken at 900ft, Broken at 1,700ft, Overcast at 3,500ft
12/11 - 12º Temp, 11º dewpoiont in celcious
A2940 - Altimeter 29.40" /Hg
RMK AO2 - Remarks, precipitation discreminatory
WSHFT 1813 - Wind shift at 1813Z (time)
RAB18 - Rain began 18 minutes past the hour
SLP957 - Sea-Level Pressure at 995.7
P0018 - Hourly Precipitation Level 00.18 inches
T01220106 - Temp 12.2º / Dew 10.6º
15What does "AUTO" mean when in a METAR?
automated weather report
16What does 1 3/4SM mean in a METAR?
1.75 statute miles visability
17What does -SN mean in a METAR?
-SN is light snow
18What does a money sign mean in a METAR?
The station needs maintence, so treat the report with a grain of salt
19What two forms are weather information found?
Reports
Forecasts
20What does PRESFR mean in a METAR?
Pressure (PRES) falling (F) Rapidly (R)
21What does the (-) mean in a METAR?
Light
22What does the (+) mean in a METAR?
Heavy
23What does (VC) mean in a METAR?
In the Vacinity
40(UP)
Unknown Preceipitation