Change to Fire Weather Criteria Effective March 3rd

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
857 AM EST MON FEB 14 2011

TO: FEDERAL...STATE AND LOCAL LAND MANAGEMENT AGENCIES...
EMERGENCY MANAGEMENT OFFICIALS...
NEWS MEDIA AND OTHER USERS

SUBJECT: CHANGE TO (FIRE WEATHER) RED FLAG WARNING AND FIRE WEATHER
WATCH ISSUANCE CRITERIA EFFECTIVE MARCH 3 2011

IN COOPERATION WITH THE FLORIDA DIVISION OF FORESTRY...THE US FOREST
SERVICE...AND OTHER FIRE USERS THE CRITERIA FOR RED FLAG WARNINGS
AND FIRE WEATHER WATCHES WILL CHANGE AT 1200 AM EST MARCH 3 2011.

THE NEW CRITERIA FOR RED FLAG WARNINGS AND FIRE WEATHER WATCHES WILL
BE AS FOLLOWS:

1. 4 CONSECUTIVE HOURS OF FORECAST RELATIVE HUMIDITY LESS THAN 35
PERCENT AND
FORECAST ENERGY RELEASE COMPONENT (ERC) 35 OR GREATER OR

2. FORECAST RELATIVE HUMIDITY LESS THAN 35 PERCENT AND
FORECAST 20 FOOT SUSTAINED WIND SPEED IN EXCESS OF 15 MPH. OR

3. FORECAST RELATIVE HUMIDITY LESS THAN 35 PERCENT AND
FORECAST LAVDAS DISPERSION INDEX 75 OR GREATER.

IN ADDITION..."FIRE DANGER STATEMENTS" /MIARFDJAX/ FOR FORECAST FIRE
WEATHER CONDITIONS APPROACHING BUT NOT EXCEEDING RED FLAG WARNING
CRITERIA WILL BE ISSUED FOR THE FOLLOWING CONDITIONS:

1. 4 CONSECUTIVE HOURS OF FORECAST RELATIVE HUMIDITY LESS THAN 35
PERCENT AND
FORECAST ENERGY RELEASE COMPONENT (ERC) 30 TO 34 OR

2. FORECAST RELATIVE HUMIDITY LESS THAN 35 PERCENT AND
FORECAST 20 FOOT WIND GUSTS IN EXCESS OF 15 MPH.

WMO HEADER/AWIPS ID OF THE FIRE DANGER STATEMENT WILL BE AS FOLLOWS:

PRODUCT NAME: WMO HEADER AWIPS ID

FIRE DANGER STATEMENT FNUS64 KJAX MIARFDJAX

FOR FURTHER INFORMATION...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE:

AL SANDRIK MARIE TRABERT
WARNING COORDINATION METEOROLOGIST FIRE WEATHER PROGRAM MANAGER
NATIONAL WEATHER SERVICE NATIONAL WEATHER SERVICE
13701 FANG DRIVE 13701 FANG DRIVE
JACKSONVILLE FL 32218 JACKSONVILLE FL 32218
904-741-4370 904-741-4370
AL.SANDRIK@NOAA.GOV MARIE.TRABERT@NOAA.GOV



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