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Tornado Outbreak: May 1 - 10 2003
During May 2003 more tornadoes were reported that ever before during the month. In a
10-day period over 400 tornadoes developed and caused 51 fatalities and damage in the
$10s of millions. A persistent trough over the western U.S. and strong southerly
low-level flow into the Central Plains led to severe storms developing each
day in early May.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign and Storm Prediction Center
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Cyclone: February 13-15 2003
Animations of U.S. SLP & Temperature, national radar, water vapor satellite, upper air analysis (300mb & 850mb)
A strong cyclone over Valentine's Day weekend shut down the East Coast with 42 deaths, record snowfall totals across
the eastern U.S., cleanup costs for cities ranging from $20 - $30 million, and transportation completely shut down.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Snowstorm example : December 24-25, 2002
Animations of upper air and surface fields
Heavy snow and ice accumulations fell over the midwest and eastern United States -
perfectly timed for the Christmas holiday. Over 7 inches of snow feel in central Illinois in the
two-day period.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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North Carolina ice storm example : December 4-5, 2002
Animations of U.S. Sea Level Pressure,
local and national radars, and
local upper air sounding profiles
Early December ice accumulations over much of North Carolina
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Lake Effect Snow: November 26, 2002
View radar images of a lake effect snow vortex that developed on the southern end of
Lake Michigan, just east of Milwaukee. The radar is initially in clear air mode and then is
changed over to precip. mode toward the beginning of the animation. The animation begins with
the vortex formation over Lake Michigan. The vortex migrates south-southwestward ending up
along the shoreline near Kenosha.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Nor'easter example : November 17, 2002
Animations of U.S. Sea Level Pressure and
Eastern U.S. Surface Station Observations
Heavy snow and ice accumulations with the first nor'easter of the season left several thousand without power, at least one dead, and a dozen injured in New England.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Severe Weather Outbreak: November 10, 2002
Animations of radar reflectivity and velocity
A strong squall line, embedded with supercell thunderstorms, moved across the eastern U.S. between November 9 - 11 resulting in over 700 severe weather reports (103 tornadoes, 411 wind reports, 205 hail reports). Thirty-six (36) fatalities and two hundred (200) injuries were reported.
Courtesy of Storm Prediction Center and Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Hurricane Kenna: October 24, 2002
Visible satellite loop of Hurricane Kenna as it strengthened from a category 3 hurricane to a category 5 hurricane in the eastern Pacific. Hurricane Kenna made landfall just north of Porta Vallarta on October 25, 2002.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Corpus Christi Tornado: October 24,2002
Radar images from the Corpus Christy radar site. One (1) person killed and six (6) injured as a
tornado ripped through the western portions of Corpus Christi.
Courtesy of Dept. of Atmospheric Sciences, University of Illinois at Urbana-Champaign
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Hurricane Lili: September 2002
Hurricane Lili data including radar, satellite, upper level divergence and wind shear.
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