La Salle

... Daily maximum rainfall record broken on may 21st...

Location old record new record years of data
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Tyler TX 1.78 in 1975 1.83 in 2013 records since 1896
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... New experimental Fire Weather Watch and red flag warning criteria
for portions of East Texas...

In partnership with the U.S. Fish and wildlife service... the
National Park service... the Texas Parks and wildlife
department... the nature conservancy... the United States Forest
service... and the Texas a&m Forest service... the National Weather
Service in Shreveport Louisiana will be issuing red flag warning and
Fire Weather Watch products based on the following new criteria.

             Extremely dry dry fuel moist fuel
     fuel conditions conditions conditions

ASOS wind relative humidity relative humidity no red flag
15-20 mph values <20% values <17%
             issue red flag issue red flag

ASOS wind relative humidity relative humidity no red flag
20-25 mph values <30% values <20%
             issue red flag issue red flag

ASOS wind relative humidity relative humidity relative humidity
>25 mph values <35% values <25% values <20%
             issue red flag issue red flag issue red flag


Fuel moisture values will be based off of 100hr & erc percentile maps
generated from the Texas a&m Forest service.

This change in criteria for the Fire Weather Watch and red flag warning
products will be implemented on August 1st 2013 and will run as a trial
program for two years.

This change only affects the East Texas counties served by the National
Weather Service office in Shreveport Louisiana. These counties include
Red River... Bowie... Franklin... Titus... Morris... Cass... Camp... Wood...
Upshur... Marion... Harrison... Gregg... Smith... Rusk... Panola... Cherokee...
Nacogdoches... Shelby... Angelina... San Augustine... and Sabine.

For more information please contact Marty mayeaux at the National Weather
Service in Shreveport at 318-631-3669.