Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Upper Air Observations

Decoded Upper Level Winds
Plotted Upper Air Soundings

GOES Derived Atmospheric Vertical Soundings
Alternate Sources for Upper Air Soundings
Ohio State

California Wind Profiler Data Can be Found Here

Why Do Forecasters Still Rely on Weather Balloons?

Twice every day, from nearly 100 locations in the United States, the National Weather Service launches weather balloons, carrying instrument packages called radiosondes. Radiosonde sensors measure upper-air conditions such as atmospheric pressure, temperature and humidity, wind speed and direction. The data is important for aviation safety, and meteorologists use radiosonde information to prepare weather forecasts.

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