Here is the Details of the Warning:
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
203 PM EST FRI FEB 18 2011
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 9 PM EST
SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* HUMIDITY...DROPPING TO BETWEEN 15 AND 25 PERCENT.
* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS 50 TO 60 MPH.
* FUEL MOISTURE...LESS THAN 8 PERCENT.
Click here for full details
Here is the map, all counties in pink are under the Red Flag Warning.
