Selected DataStreme Atmosphere Weather Map Symbols

Surface Station Model

Temp (F)
Weather
Dewpoint (F)

Pressure (mb)
Sky Cover
Wind (kts)

Data at Surface Station
Temp 45 °F, dewpoint 29 °F,
overcast, wind from SE at 15 knots,
weather light rain, pressure 1004.5 mb

Upper Air Station Model

Temp (C)

Dewpoint (C)

Height (m)

Wind (kts)

Data at Pressure Level - 500 mb
Temp -5 °C, dewpoint -12 °C,
wind from S at 75 knots,
height of level 5640 m

Forecast Station Model

Temp (F)
Weather
Dewpoint (F)

PoP (%)
Sky Cover
Wind (kts)

Forecast at Valid Time
Temp 78 °F, dewpoint 64 °F,
scattered clouds, wind from E at 10 knots,
probability of precipitation 70% with rain showers

Map Symbols

Sky Cover	Wind Shaft is direction wind is coming from	Fronts and Radar	Selected Weather Symbols
clear	Calm	cold front	Rain
1/8	1-2 knots (1-2 mph)	warm front	Rain Shower
scattered	3-7 knots (3-8 mph)	stationary front	Thunderstorm
3/8	8-12 knots (9-14 mph)	occluded front	Drizzle
4/8	13-17 knots (15-20 mph)	trough	Snow
5/8	18-22 knots (21-25 mph)	squall line	Snow Shower
broken	23-27 knots (26-31 mph)	dryline	Freezing Rain
7/8	48-52 knots (55-60 mph)	Radar Intensities	Freezing Drizzle
overcast	73-77 knots (84-89 mph)		Fog
obscured	103-107 knots (119-123 mph)		Haze
Multiple rain or snow symbols indicate intensity, i.e. light, moderate, heavy			Smoke
			Dust or Sand
			Blowing Snow

DataStreme Atmosphere is part of the Cooperative Program for Earth System Education (AMS/NOAA CPESE) funded by the National Oceanic and Atmospheric Administration (NOAA). The National Science Foundation has supported DataStreme under Grant No. ESI-9453205. Meteorological products are provided via the NCEP/NWS/NOAA.

American Meteorological Society

Return to DataStreme Atmosphere Homepage