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

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968
FOUS54 KSJT 162023
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
223 PM CST MON JAN 16 2017<br>

TXZ139-171015-
COLEMAN RAWS-COLEMAN TX
31.51N  99.66W ELEV. 1452 FT
223 PM CST MON JAN 16 2017

DATE           01/16/17      TUE 01/17/17            WED 01/18/17            THU
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
CST 3HRLY     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

MIN/MAX                      43          52          42          59          44
TEMP          66 61 51 47 45 43 45 51 52 49 45 44 43 42 45 57 59 55 49 47 45 44
DEWPT         44 45 45 42 40 37 37 39 41 43 44 43 43 42 43 45 48 47 47 44 44 44
MAX/MIN RH                   86          63         100          64         100
RH            45 56 80 83 82 79 73 63 66 80 96 96100100 93 64 67 74 93 89 96100
WIND DIR       W  N NE NE NE NE NE NE NE NE NE  N  N  N  N NW NW  S  S  S SW SW
WIND SPD       5  3  3  5  8  6  9  9  6  6  5  3  3  3  3  2  3  3  3  3  3  4
WIND GUST
CLOUDS        FW SC SC B1 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC SC SC SC
CLOUDS(%)     19 28 37 58 77 83 81 92 91 93 97 85 80 78 83 71 75 60 43 43 32 28
POP 12HR                      5          50          70          10           5
QPF 12HR                      0        0.23        0.17        0.01           0
RAIN SHWRS                    C  C  C  C  L  L  L  L  S  S  S  S
TSTMS                               S  S  S  S  S  S  S  S  S  S
LAL                     1     1     1     2     2     2     2     2     1     1
HAINES                  5     5     3     2     3     3     2     2     3     3
MIX HGT              1100   500  1600  1600  1100   500  1700  2500   400   100
T WIND DIR              E    NE    NE    NE    NE     N     N    SW     S     S
T WIND SPD              3    12    13    12     9     5     3     3     4     5
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR


DATE           01/19/17  FRI 01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00
CST 6HRLY     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MAX/MIN          71      46    69      45    68      44    64      39    63
TEMP          68 64 51   46 67 63 49   45 66 62 48   44 62 57 44   39 60 58
DEWPT         43 41 37   37 37 35 37   38 41 36 32   31 31 31 29   28 31 36
MIN/MAX RH       35      71    29      79    33      60    29      67    33
RH            40 43 59   71 33 35 63   76 40 38 54   60 31 37 55   64 33 44
PWIND DIR        SW      SW     W      SW    SW       W    NW      NW     W
WIND CHAR       <15     <15   <15     <15   <15     15>   15>     <15   <15
AVG CLOUDS    FW FW FW   FW FW FW SC   B1 B1 SC SC   FW FW FW FW   FW CL CL
POP 12HR          5       0     0       5    10      10     5       0     0

$$

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 MPN; 15> = 15 MPH OR GREATER
AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
POP 12HR(%).........................PROBABILITY FOR ACCUMULATION PRECIPITATION
WEATHER...
     SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS



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