Weather Radar. Radar Was An Important Tool in WWII: Had One Pesky Problem— Precipitation!

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Presentation transcript:

Weather Radar

Radar Was An Important Tool in WWII: Had One Pesky Problem— Precipitation!

WWII Radars

After WWII Meteorologists Experimented with Military Radars: Thunderstorms and Convection Clearly Seen

Hurricanes Also Apparent-Eye Wall, Rainbands

In the late 1950’s a national meteorological radar network was established (WSR-57).

WSR-57 (no Doppler capability)

During the 1970s and early 80s a lot of experimentation with Doppler Radars Provides speed of object towards or away from the radar Can show wind shifts and circulations Particularly useful for showing the rotation in severe convection—the mesocyclone

In the late 1980s, the NWS put in a network of Doppler Weather Radars NEXRAD WSR88D (Weather Surveillance Radar 88 Doppler)

Sound of train passing:

Big Radar Advance in 2011: Dual- Polarization