FNUS75 KEPZ 261455
FWSEPZ

SPOT FORECAST FOR POWDERHORN RX
NATIONAL WEATHER SERVICE EL PASO TX
855 AM MDT WED MAY 26 2010

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

FIRE WEATHER PLANNING FORECAST FOR POWDERHORN RX...USFS
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
837 AM MDT WED MAY 26 2010

FORECAST IS BASED ON IGNITION TIME OF 0830 MDT ON MAY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A LARGE LOW PRESSURE SYSTEM ALOFT OFF THE WEST NORTHWEST COAST
OF THE UNITED STATES COUPLED WITH HIGH PRESSURE OVER THE GREAT
PLAINS OF THE UNITED STATES WILL COMBINE TO ADVECT LOW AND MID
LEVEL MOISTURE INTO THE REGION TODAY. ACTIVITY WILL BE VERY ISOLATED
WEST OF THE CONTINENTAL DIVIDE WHERE MIN RH VALUES WILL REMAIN BELOW
15% AND HAINES OF 4 AND 5 TODAY. ANY CONVECTION THERE WILL CARRY
A RISK OF DRY LIGHTNING. SHOWERS AND THUNDERSTORMS WILL BECOME MORE
WIDESPREAD ON THURSDAY AND FRIDAY AS THE MOISTURE SPREADS FURTHER
WEST.
THUNDERSTORMS WILL BECOME LESS FREQUENT ON SATURDAY AS DRIER AIR
MOVES
INTO THE REGION.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). ISOLATED CLD BUILD
                    UPS OVR HIR TERRAIN AFTN. SMALL RISK DRY LTG WITH CB/TS.
                    MAINLY ALONG THE CONTINENTAL DIVIDE AND EAST
CWR.................10 PERCENT.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........7-12 PERCENT.
WIND (20 FT)........SOUTH SOUTHEAST 3 TO 8 MPH MORNING VEERING
                    TO SOUTH BY MIDDAY AND SOUTH SOUTHWEST BY AFTN
                    7 TO 12 MPH ISOLD GUSTS TO 18 MPH.
MIXING HGT..........12400 FT AGL
TRANSPORT WINDS.....SOUTH 13 KTS.
VENT CAT............EXCELLENT 161200 KTFT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CWR.................10 PERCENT.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........SOUTH SOUTHEAST 5 TO 10 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED AFTERNOON
                    AND EVENING THUNDERSTORMS.
CWR.................20 PERCENT.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........SOUTHEAST 10 TO 15 MPH BY MIDDAY WITH ISOLATED
                    GUSTS TO 20 MPH AFTN.
MIXING HGT..........15500 FT AGL
TRANSPORT WINDS.....SOUTH 15 KTS.
VENT CAT............EXCELLENT 217000 KTFT.

$$

REQUESTED BY...IC
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U