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Corpus Christi, TX

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The Fire Weather Point Forecast Matrix for the

Matagorda Island RAWS Site

28.12N  96.80W ELEV. 36 FT
333 AM CST SUN MAR 3 2013

DATE             SUN 03/03/13            MON 03/04/13            TUE 03/05/13
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                      69          63          77          60          70
TEMP             49 59 68 69 64 63 64 64 65 69 75 76 70 63 60 61 60 63 68 70 62
DEWPT            39 41 45 48 51 54 56 56 56 57 59 60 61 61 60 59 59 56 52 49 46
MIN/MAX RH                   43          75          56         100          47
RH               69 52 43 47 62 71 74 74 73 65 56 58 72 90100 96 97 78 57 47 57
WIND DIR          E SE  S  S  S  S  S  S  S  S  S  S  S  S  S  W  N  N  N  N  N
WIND SPD          4  6  9 11 11 13 16 14 17 16 18 18 16 14 17  6 12 23 18 20 16
CLOUDS           CL CL CL FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW CL
CLOUDS(%)         5  5  5  6  8 16 15 17 15 35 30 21 19 17 21 21 20 49 42  7  0
POP 12HR                      0           0           5           0           0
QPF 12HR                      0           0           0           0           0
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  4     5     5     4     4     4     4     4     4     4
MIXING HGT           3700  3600  1800   600  4000  4000  2300  1700  3100  4400
T WIND DIR              S     S     S     S     S     S     S    SW     N     N
T WIND SPD             12    19    28    33    34    31    31    27    17    28
FIRE WEATHER                                                         A  A  A  A


DATE               WED 03/06/13  THU 03/07/13  FRI 03/08/13  SAT 03/09/13
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            48    64      52    69      60    71      62    73
TEMP          49   48 60 59 52   52 65 65 60   60 69 68 63   62 71 69
DEWPT         37   33 33 35 43   45 51 53 55   58 59 60 61   61 62 63
MAX/MIN RH         67    32      79    55      93    68      96    70
RH            61   56 36 41 70   78 59 63 82   93 72 77 94   96 74 81
PWIND DIR           N    NE       E     E      SE    SE      SE    SE
WIND CHAR         <15   <15     <15   <15     <15   <15     <15   <15
AVG CLOUDS    CL   CL FW FW SC   SC SC SC B1   B1 B2 B2 B2   B2 B2 B1
POP 12HR            0     0       0     5      10    10      10    10


THE TABLE OF CODES BELOW DESCRIBE THE PFW 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
FREE WIND DIR (8 POINT COMPASS).....FREE WIND LEVEL DIRECTION
FREE WIND SPD (MPH).................FREE WIND LEVEL SPEED
MIXING HGT (FEET AGL)...............MIXING HEIGHT
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
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