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Home » Storm Surveys
» February 21st Hailstorms
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February
21, 2005 Hailstorms |
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Map showing
the various reports of hail and wind damage on February 21st
(red squares indicated wind damage, while blue circles indicate
large hail). The largest hail of the day was reported in Valley
Head, DeKalb County, where an NWS Cooperative Observer reported
nearly baseball size hail. |
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Summary
February 21, 2005 was a remarkable day for the Tennessee
Valley. A slow-moving cold front provided the catalyst for
an extraordinary day for hailstorms in the area. The storms
came in waves: the first warnings were issued around 5am,
with another, stronger wave coming between 9:30 and 10:30am.
The final, longest-lasting, strongest wave lasted almost 8
hours, with the first warning being issued at 12:46pm, and
the last warning expiring at 8:30pm.
All told, there were more than 65 hail reports sent to the
National Weather Service. Around 50 of those reports indicated
dime-sized (just under 3/4") or larger hail, and 18 reported
indicated hail at least the size of quarters. There were several
reports of wind damage and flash flooding, with many roads
in Lauderdale County closed due to high waters.
No storm surveys were conducted for this event, so we've
chosen to highlight some of the largest hailstones and photographs
we could find.
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Storm Pictures and
Images
Click on the thumbnail to see a larger image. |
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NWS Cooperative Observer Tom Crow received nearly
baseball-sized hail from the strongest storm of the day, which
passed through northern DeKalb County. (Thanks to WHNT-TV
for relaying this picture.) |
The storm responsible for
the hail in DeKalb County was a supercell (note the hook echo
right in the middle of the image). Despite being a supercell,
the environment was not quite favorable enough for tornadoes
across northern Alabama, and hail was the only damage from
the storm. |
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Some of the largest hail of
the day fell in downtown Florence around 4:20pm, when golf-ball
sized hail was reported. |
The radar imagery from the Florence storm was
much less impressive at the lowest levels. However, hail was
indicated by strong echoes aloft. |
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