FNUS74 KSHV 191403
FWSSHV

SPOT FORECAST FOR ANG SABINE UPLAND ISLAND WILDERNESS...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE SHREVEPORT LA
903 AM CDT TUE MAR 19 2013

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN UPPER LEVEL DISTURBANCE WILL SHIFT SOUTHEAST ACROSS CENTRAL AND SOUTHEAST
TEXAS TONIGHT...AND WILL RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS
THIS EVENING AND OVERNIGHT OVER THOSE AREAS. SOME OF THESE SHOWERS AND
EMBEDDED THUNDERSTORMS MAY MOVE INTO THE ANGELINA DISTRICT LATE THIS EVENING
AND OVERNIGHT...BUT THE HEAVIER RAINFALL SHOULD REMAIN JUST WEST AND SOUTH OF
THE BURN SITE TONIGHT. RAINFALL AMOUNTS TONIGHT OF A TENTH UP TO A QUARTER OF
AN INCH WILL BE POSSIBLE. REINFORCING HIGH PRESSURE WILL BUILD SOUTH INTO
THE AREA WEDNESDAY...RESULTING IN NORTH NORTHEAST 20 FT WINDS AROUND 10 MPH
THROUGH MUCH OF THE DAY. WINDS WILL BECOME LIGHT EAST WEDNESDAY NIGHT AND
SOUTHEAST 10-15 MPH THURSDAY AHEAD OF SURFACE LOW PRESSURE DEVELOPING OVER
THE TX/OK PANHANDLES. WINDS WILL REMAIN SOUTHEAST THROUGH FRIDAY NIGHT BEFORE
BECOMING SOUTH SATURDAY. MIN RH/S WILL MODIFY SIGNIFICANTLY BY FRIDAY
(55-60%)...WITH SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER THE AREA
SATURDAY NEAR ANOTHER COLD FRONTAL PASSAGE. THERE IS STILL CONSIDERABLE
UNCERTAINTY IN REGARDS TO THE PLACEMENT OF THE HEAVIER RAINFALL WITH THIS
SATURDAY SYSTEM...BUT AT THIS TIME...AMOUNTS OF A QUARTER TO HALF AN INCH WILL
BE POSSIBLE SATURDAY/SATURDAY NIGHT. HOWEVER...SHOULD THE HEAVIER RAIN SHIFT
FARTHER SOUTH...RAINFALL AMOUNTS OF A HALF INCH TO AN INCH WILL BE POSSIBLE.
NORTHWEST WINDS 10-15 MPH SUNDAY WILL USHER IN COOLER AND DRIER AIR...WITH
NORTH NORTHWEST WINDS PERSISTING BUT DIMINISHING SLIGHTLY THROUGH MONDAY THE
25TH. DRY CONDITIONS LOOK TO PERSIST THROUGH AT LEAST MIDWEEK...WITH WINDS
POSSIBLY BECOMING MORE EASTERLY BY WEDNESDAY.

$$

FORECASTER...HANSFORD
REQUESTED BY...ANGELINA NF
TYPE OF REQUEST...PRESCRIBED
.TAG 20130320.ANGSA.01/SHV