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

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287
FOUS54 KSJT 281244
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
644 AM CST SAT FEB 28 2015<br>

TXZ128-282300-
HAMBY RAWS-CALLAHAN TX
32.50N  99.62W ELEV. 1900 FT
644 AM CST SAT FEB 28 2015

DATE             SAT 02/28/15            SUN 03/01/15            MON 03/02/15
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CST 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      30          30          53          36          47
TEMP             19 20 24 29 30 31 31 32 32 35 43 51 49 46 43 40 37 37 42 46 46
DEWPT            19 20 24 29 30 31 31 32 32 35 43 43 45 41 40 38 35 35 37 38 40
MIN/MAX RH                  100         100          71          96          74
RH              100100100100100100100100100100100 74 86 84 89 92 92 92 83 74 80
WIND DIR          E  E SE SE SE SE SE SE SE SE  S  E  E NE NE NE NE NE NE NE  E
WIND SPD          8  9  9  9  9  9  7  5  3  4  3  2  4  4  7  8  8  8  5  4  4
CLOUDS           OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV
CLOUDS(%)       100100100 98 96 94 91 89 87 96 84 72 70 79 88 93 98 94 90 89 90
POP 12HR                     50          30          20          30          40
QPF 12HR                   0.05        0.03        0.02        0.05        0.02
FRZG DRZL        AR AR AR AR AR AR AR AR
FRZG RAIN
RAIN SHWRS                               IS IS IS IS SC SC SC SC SC SC SC SC SC
SNOW
TSTMS                                                                        IS
LAL               1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2
HAINES            2  2  2  2  2  2  2  2  2  2  3  3  3  3  3  3  2  2  2  2  2
MIX HGT           1  1  2  1  1 <1 <1 <1 <1 <1 <1  1  1  1 <1 <1 <1 <1  1  1 <1
T WIND DIR        E  E SE SE SE SE SE SE SE  E  E  E NE NE NE NE NE NE NE NE  E
T WIND SPD       10 10  9  9 11 10  8  5  3  3  4  8 11 13 12 13 14 12  8  8  6
SMOKE DISP       PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR
WINTER WEATH      Y  Y  Y  Y


DATE               TUE 03/03/15  WED 03/04/15  THU 03/05/15  FRI 03/06/15
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00
CST 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            46    72      36    43      24    46      28    57
TEMP          46   48 62 68 52   38 39 41 33   25 36 43 32   29 49 54
DEWPT         45   48 55 49 42   31 19 17 11    9 10 14 14   16 20 23
MAX/MIN RH        100    47      76    35      53    26      62    25
RH            95  100 78 51 69   76 44 37 39   51 34 30 47   58 31 30
PWIND DIR          SE    SW       W     N       N     N      SE     S
WIND CHAR         <15   <15     <15   15>     <15   <15     <15   <15
AVG CLOUDS    OV   B2 B2 B1 B1   B2 B1 B1 SC   SC FW FW FW   FW FW FW
POP 12HR           40    20      30    10      10     5       5     5
RAIN SHWRS    SC   SC IS IS SC   SC
TSTMS         IS   IS IS IS IS   IS

$$

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 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...
       IS.............ISOLATED
       SC.............SCATTERED
       NM.............NUMEROUS
       O..............OCCASIONAL
       S..............SLIGHT CHANCE
       C..............CHANCE
       L..............LIKELY
       WD.............WIDESPREAD
       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
HAINES(CAT).........................HAINES INDEX
10K WIND DIR(8 POINT COMPASS).......10000 FOOT WIND DIRECTION
10K WIND SPD(MPH)...................10000 FOOT WIND SPEED
MIX HGT(THOUSANDS OF FT AGL)........MIXING HEIGHT
     EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FEET
T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION
T WIND SPD(MPH).....................TRANSPORT WIND SPEED
SMOKE DISP(CAT(KT-FT))...................SMOKE DISPERSION CATEGORY
     EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT
FOSBERG.............................FOSBERG FIRE WEATHER INDEX
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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