St. Louis City Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Special Statement
Issued: 7:52 PM CST Dec. 10, 2017 – National Weather Service

... Elevated fire danger Monday afternoon...

The combination of strong and gusty winds, low relative humidity,
and dry surface fuels will lead to elevated fire danger on Monday
afternoon across central, east central and southeast Missouri as
well as parts of southwest Illinois.

Southwest winds will increase by late morning to 15 to 25 mph with
gusts of 30 to 35 mph. The wind will remain strong and gusty
through the afternoon as it shifts to the west and northwest as a
cold front moves across the area. Well above average temperatures
will contribute to low relative humidity with values less than 30
percent in the afternoon.

These weather conditions combined with very dry grasses, dry Leaf
litter, and dry underbrush could result in the rapid spread of
fires. Therefore, outdoor burning is highly discouraged tomorrow.
Care should be taken with open flames and the disposal of
cigarette Butts.


Glass

752 PM CST sun Dec 10 2017

... Elevated fire danger Monday afternoon...

The combination of strong and gusty winds, low relative humidity,
and dry surface fuels will lead to elevated fire danger on Monday
afternoon across central, east central and southeast Missouri as
well as parts of southwest Illinois.

Southwest winds will increase by late morning to 15 to 25 mph with
gusts of 30 to 35 mph. The wind will remain strong and gusty
through the afternoon as it shifts to the west and northwest as a
cold front moves across the area. Well above average temperatures
will contribute to low relative humidity with values less than 30
percent in the afternoon.

These weather conditions combined with very dry grasses, dry Leaf
litter, and dry underbrush could result in the rapid spread of
fires. Therefore, outdoor burning is highly discouraged tomorrow.
Care should be taken with open flames and the disposal of
cigarette Butts.


Glass


Fire Weather Warning
Issued: 3:04 AM CST Dec. 11, 2017 – National Weather Service

... Red flag warning in effect from 10 am this morning to 6 PM CST
this evening for wind and low relative humidity for
central... eastern and southeast Missouri as well as southwest and
southern Illinois...

The National Weather Service in Saint Louis has issued a red flag
warning for wind and low relative humidity, which is in effect
from 10 am this morning to 6 PM CST this evening.

* Affected area... in Illinois, fire weather zones 079, 101 and
102. In Missouri, fire weather zones 041, 047, 048, 049, 050,
051, 059, 060, 061, 062, 063, 064, 065, 072, 073, 074, 075,
083, 084, 085 and 099.

* 20 foot winds... west 15 to 20 mph becoming northwest in the
afternoon with gusts up to 35 mph.

* Relative humidity... as low as 15 percent.

* 10 hour fuels... less than 9 percent.

* Impacts... these conditions are conducive for the rapid spread
and growth of uncontrolled wildfires.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and dry fuels can contribute
to extreme fire behavior.



Tilly



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