Hazardous Weather Outlook
Issued by NWS Huntsville, AL

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FLUS44 KHUN 210929
HWOHUN

Hazardous Weather Outlook
National Weather Service Huntsville AL
429 AM CDT Fri Jul 21 2017

ALZ001>010-016-TNZ076-096-097-220100-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-De Kalb-Cullman-Moore-Lincoln-Franklin TN-
429 AM CDT Fri Jul 21 2017

This Hazardous Weather Outlook is for north Alabama and portions of
southern middle Tennessee.

.DAY ONE...Today and Tonight...

Dangerous heat will impact much of the Tennessee Valley again today,
due to the very hot and humid air mass in place. Daytime highs will
range from the mid 90s to around 100 degrees. These temperatures,
combined with the humidity will produce dangerously high heat
indices in the 105 to 109 degree range this afternoon. The heat
index will likely remain above 100 degrees well into the evening.

A Heat Advisory has been issued from 12 to 7 PM today for most of
Northern Alabama and all of Southern Middle Tennessee. Caution is
advised when conducting outdoor activities, especially during the
peak heating of the day. Stay hydrated and take plenty of breaks.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

The heat and humidity will continue into Saturday, though
temperatures will likely be slightly cooler thanks to cloud cover
and more shower and thunderstorm coverage. Still, Heat Index values
will reach the 100 to 104 degree range across much of the region,
with some areas across Northwest and North Central Alabama possibly
exceeding 105 degrees. Another Heat Advisory may be issued on
Saturday for parts of the forecast area.

The potential for scattered thunderstorms return to the forecast
by Saturday afternoon. Thunderstorm chances increase heading into
the Sunday through Monday time frame as an upper level disturbance
and frontal boundary approach the region. Gusty winds, heavy
downpours, and frequent lightning will accompany the stronger storms.

.SPOTTER CALL TO ACTION STATEMENT...

Activation of storm spotters and emergency management personnel is
not anticipated at this time.

$$



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