Fire Weather Point Forecast Matrices
Hamby RAWS
Issued by NWS San Angelo, TX

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040
FOUS54 KSJT 030904
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
404 AM CDT THU SEP 3 2015<br>

TXZ128-032215-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
404 AM CDT THU SEP 3 2015

DATE             THU 09/03/15            FRI 09/04/15            SAT 09/05/15
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN                      95          72          94          74          94
TEMP             69 79 92 95 91 82 77 75 72 81 91 94 90 82 79 76 74 82 91 94 90
DEWPT            63 66 62 62 59 60 64 64 65 68 64 64 62 66 65 67 67 70 67 64 62
MIN/MAX RH                   32          79          36          82          36
RH               80 64 37 34 34 47 64 69 79 64 41 37 40 58 62 74 79 66 45 37 39
WIND DIR          S  S  S SE SE SE SE  S  S  S  S  S SE SE  S  S  S  S  S  S  S
WIND SPD          6 10  8  9  9  8  9  8  5  9  8  9 10  8  8  6  8 10  9 10 10
CLOUDS           FW FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC
CLOUDS(%)        20 17 27 28 23 23 22 28 35 35 44 44 40 40 31 31 37 37 42 42 30
POP 12HR                      0           0           5           5           5
QPF 12HR                      0           0           0           0           0
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  3     5     5     4     4     5     5     4     4     5
MIX HGT              7600  9400  5000   700  8400  9800  5100   500  8100  9200
T WIND DIR              S    SE    SE     S     S     S    SE     S     S     S
T WIND SPD              9     9     6     5    12    11     8     8    13    14
SMOKE DISP             FR    GD    FR    PR    GD    VG    GD    PR    GD    VG


DATE          SUN 09/06/15 MON 09/07/15 TUE 09/08/15 WED 09/09/15
UTC 6HRLY     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX            75      97      76      98      76      97      75      97
TEMP          79 75 94 93 81 76 95 94 81 76 94 93 80 75 94 93
DEWPT         63 67 64 58 58 63 64 60 59 63 63 61 60 66 65 61
MAX/MIN RH
RH            58 76 37 31 45 63 36 32 47 64 36 34 50 74 39 35
PWIND DIR           S       S       S       S       S       S       S       S
WIND CHAR         <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW SC FW FW FW FW SC SC SC SC SC SC SC
POP 12HR            5       0       5       5       5      10      10      20

$$

BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
MIN/MAX RH OR MAX/MIN RH(%).........MAXIMUM/MINIMUM HUMIDITY
RH(%)...............................RELATIVE HUMIDITY
WIND DIR(8 POINT COMPASS)...........20 FT. WIND DIRECTION
WIND DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES
                                    RELATIVE TO DUE NORTH.
     EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH;
              27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH
WIND SPD(MPH).......................20 FT. WIND SPEED
WIND GUST(MPH)......................20 FT. WIND GUST
WIND CHILL..........................WIND CHILL TEMPERATURE
HEAT INDX...........................HEAT INDEX
CLOUDS(CAT).........................CLOUD COVER CATEGORY
     EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED;
              B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST
CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR(IN)........................LIQUID EQUIVALENT PRECIPITATION AMOUNT
WEATHER...
     TYPE...
       RAIN...........RAIN
       RAIN SHWRS.....RAIN SHOWERS
       TSTMS..........THUNDERSTORMS
       DRIZZLE........DRIZZLE
       SNOW...........SNOW
       SNOWSHWRS......SNOW SHOWERS
       SLEET..........SLEET
       FLURRIES.......FLURRIES
       FRZG RAIN......FREEZING RAIN
       FRZG DRZL......FREEZING DRIZZLE
     COVERAGE...
       S..............SLIGHT CHANCE
       C..............CHANCE
       L..............LIKELY
       O..............OCCASIONAL
       D..............DEFINITE
       AR.............AREAS
       PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
     TYPE...
       F..............FOG
       PF.............PATCHY FOG
       F+.............DENSE FOG
       H..............HAZE
       BS.............BLOWING SNOW
       K..............SMOKE
       BD.............BLOWING DUST
       AF.............VOLCANIC ASHFALL
LAL(CAT)............................LIGHTNING ACTIVITY LEVEL
MIX HGT(FT AGL).....................MIXING HEIGHT
T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION
T WIND SPD(MPH).....................TRANSPORT WIND SPEED
ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX
DISPERSION..........................LDSI
MAX LVORI...........................LVORI
STA PRES (INCHES MERCURY)...........STATION PRESSURE
ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX
CEILING (FT)........................CEILING
STABILITY (CAT).....................PASQUILL TURNER STABILITY
WATCH/WARNING/ADVISORY...
     EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
     IN EFFECT FOR THE INDICATED HOUR

DAY 4 THROUGH 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
RH(%)...............................RELATIVE HUMIDITY
WIND SPD(MPH).......................20 FT. WIND SPEED
     EXAMPLE: <15 = LESS THAN 15 MPH; 15> = 15 MPH OR GREATER
AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
     SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS



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