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

Skip options and go directly to product.
Home | Oldest Version | Previous Version | Current Version | All | Text Only | Save Text | Print | Product List | Glossary Off

Skip product version selection by date and time.   
379
FOUS54 KSJT 211038
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
438 AM CST SUN DEC 21 2014<br>

TXZ170-212215-
MASON RAWS-MASON TX
30.74N  99.19W ELEV. 1463 FT
438 AM CST SUN DEC 21 2014

DATE             SUN 12/21/14            MON 12/22/14            TUE 12/23/14
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                      59          45          74          43          57
TEMP             43 46 55 59 56 49 46 45 47 51 65 74 65 52 47 45 44 46 52 57 50
DEWPT            41 43 45 46 46 45 46 45 46 47 44 40 39 42 40 40 37 34 31 28 23
MIN/MAX RH                   62         100          29          86          32
RH               94 91 70 62 69 87100100 97 85 47 29 38 68 76 83 75 62 44 34 35
WIND DIR          S  S  S SW  S  S SW SW SW SW SW SW SW  W  W NW  N  N  N NW NW
WIND SPD          3  3  8  9  5  2  4  4  9 10 10 12  7  4  4  9 12 16 17 16 12
CLOUDS           OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC B1 SC SC SC SC
CLOUDS(%)        94 84 74 55 35 35 35 39 43 32 21 25 28 33 38 45 52 46 41 35 28
POP 12HR                      5           5           5          10          10
QPF 12HR                      0           0           0           0           0
OBVIS             F
LAL               1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
HAINES            4  4  4  4  5  5  5  5  5  5  4  4  4  4  4  2  3  4  4  5  5
MIX HGT           1  2  2  2 <1 <1 <1 <1 <1 <1  2  4 <1 <1 <1  2 <1  3  6  7  6
T WIND DIR        S SW SW SW SW SW SW SW SW SW  W  W  W  S SE  E  N  N  N  N  N
T WIND SPD       11 14 16 18 19 21 24 25 26 26 25 20 16 13 12 14 19 24 27 29 31
SMOKE DISP       PR PR PR PR PR PR PR PR PR PR FR GD PR PR PR PR PR GD VG EX EX


DATE               WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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            34    57      38    67      43    64      33    50
TEMP          37   37 52 54 43   43 58 60 46   45 57 56 40   38 48 48
DEWPT         23   22 22 23 23   26 31 32 37   38 39 32 28   25 22 19
MAX/MIN RH         65    25      57    27      81    34      67    30
RH            58   55 31 30 46   51 36 35 70   76 51 41 62   59 35 32
PWIND DIR          NW    NW      SW    SW      SW    NW       N     N
WIND CHAR         <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    SC   FW CL CL CL   CL CL CL CL   FW FW FW SC   SC SC SC
POP 12HR            0     0       0     0       5     5       5    10

$$

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



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.