FNUS74 KSJT 151539
FWSSJT

SPOT FORECAST FOR P BURN-BOWIE...TFS
NATIONAL WEATHER SERVICE SAN ANGELO
939 AM CST FRI FEB 15 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON FEBRUARY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
...A COLD FRONT MOVED THROUGH THE AREA OVERNIGHT...BRINGING
NORTHEAST WINDS INTO THE AREA...ALONG WITH COLDER TEMPERATURES AND
DRIER AIR. HOWEVER...DUE TO THE COLDER TEMPERATURES...MINIMUM
RELATIVE HUMIDITY VALUES ARE ONLY EXPECTED TO DROP INTO THE 30 TO
35 PER CENT RANGE THIS AFTERNOON. TEMPERATURES WILL DROP BELOW
FREEZING TONIGHT WITH SKIES EXPECTED TO CLEAR ALLOWING FOR GOOD
RADIATIONAL COOLING. EXPECT WARMER CONDITIONS TOMORROW LEADING TO
RELATIVE HUMIDITY VALUES DROPPING TO AROUND 20 PERCENT DURING THE
AFTERNOON. LIGHT AND VARIABLE WINDS TOMORROW MORNING WILL SHIFT
TO THE WEST AT AROUND 10 MPH TOMORROW AFTERNOON.

INVERSION TONIGHT SHOULD DEVELOP BETWEEN 6 AND 8 PM.
INVERSION TOMORROW SHOULD LIFT BETWEEN 9 AND 11 AM.
INVERSION IS EXPECTED TO REDEVELOP TOMORROW NIGHT BETWEEN 6 AND
8 PM

HAINES INDEX VALUES ARE INCLUDED BELOW...

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 16 MPH.
MIXING HEIGHT.......600-2500 FT AGL INCREASING TO 3900-5100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 24 MPH SHIFTING TO THE NORTH 10
                    TO 15 MPH LATE IN THE AFTERNOON.

TIME (CST)      11 AM  1 PM   3 PM   5 PM
SKY (%).........61     66     64     65
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............47     51     53     52
RH..............56     42     36     35
20 FT WIND......N 15   N 13   N 12   N 9
20 FT WIND GUST.25     20     20     10
HAINES INDEX....3      4      4      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 27.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING
                    LIGHT...THEN BECOMING NORTH 5 TO 6 MPH EARLY IN
                    THE MORNING.
MIXING HEIGHT.......1500-2700 FT AGL DECREASING TO 100-300 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTH 5 TO 13 MPH.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........65     47     29     11     10     9
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............49     40     37     34     32     32
RH..............39     52     59     64     66     66
20 FT WIND......N 8    N 7    N 5    N 3    N 3    N 6
20 FT WIND GUST.10     10            5      5      10
HAINES INDEX....5      5      4      4      4      4

.SATURDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING NORTH AROUND 5
                    MPH EARLY IN THE AFTERNOON SHIFTING TO THE WEST
                    6 TO 8 MPH.
MIXING HEIGHT.......200-1700 FT AGL INCREASING TO 3800-5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 12 MPH.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........8      13     17     22     25     30
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............29     29     44     54     60     61
RH..............72     72     41     31     24     23
20 FT WIND......N 6    N 3    N 3    N 5    W 8    W 7
20 FT WIND GUST.10     5      5             10     10
HAINES INDEX....4      4      4      5      5      6

$$
FORECASTER...NAGLE
REQUESTED BY...RICH GRAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20130215.PBURN.02/SJT