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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-032200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
433 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                      48          35          64          51          55
TEMP             23 31 41 48 44 36 35 35 35 43 55 64 59 51 51 51 51 54 55 55 52
DEWPT            19 21 20 22 25 28 28 30 32 37 41 45 46 48 48 49 47 43 38 34 29
MIN/MAX RH                   34          95          47         100          40
RH               86 67 44 34 48 73 81 81 88 77 60 50 62 90100 94 88 65 49 44 40
WIND DIR          N  S SW  S  S SE SE SE SE  S  S  S  S  S  S SW  W  W  W  W  W
WIND SPD          1  2  4  5  4  4  5  6  9 16 17 16 10  9  9  8 10 14 18 17 13
CLOUDS           CL SC B1 B1 B2 B1 SC SC B1 B1 B2 B2 OV OV OV OV B2 B2 B1 B1 SC
CLOUDS(%)         2 28 52 58 70 60 49 49 62 62 70 70 90 90 90 90 85 85 65 65 46
POP 12HR                      0           0          30          60          30
QPF 12HR                      0           0        0.05        0.20        0.02
RAIN                                                              C  C  C  C
RAIN SHWRS                               SC SC SC SC NM NM NM NM
TSTMS                                                SC SC SC SC
MIXHGT M AGL         1032  1104     0     0   894  1301   656   465  1637  1853
MIXHGT FT AGL        3385  3623     0     0  2932  4268  2151  1525  5371  6080
MIXHGT M MSL         1110  1182    56    61   972  1379   734   543  1715  1931
MIXHGT FT MSL        3641  3879   183   201  3188  4524  2407  1781  5627  6336
TRANSWIND DIR           W    SW     S     S     S     S     S     W    NW    NW
TWIND SPD M/S           2     3     4     5    12    15     9     7    10    12
TWIND SPD MPH           4     8     9    12    27    35    21    17    24    27
VENT INDEX                 3546         410       19306        8586       21241
CATEGORY DAY                  2           1           5           4           5
500M MIXHGT T          37    47    50    58    59    62    64    59    49    54
500M TWND DIR          SW    SW     S     S     S     S    SW     W    NW    NW
500M TWND M/S           2     4    11    15    16    14    15    10     9    11
500M TWND MPH           4     9    25    34    36    33    34    24    21    25
DISPERSION             19    22     7    13    85   100    53    37    71    80
LAL                     1     1     1     1     1     3     3     3     1     1
LASI                    4     3     3     4     4     3     3     3     3     4
STABILITY               B     C     E     F     D     D     D     D     D     D
STAG INDEX                    3           0           0           0           0


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            33    48      31    54      37    63      43    65
TEMP          44   33 45 45 37   31 48 50 41   37 58 58 48   43 60 60
DEWPT         28   26 28 30 29   28 31 33 33   33 36 39 40   41 43 45
MAX/MIN RH         78    47      91    42      88    38      94    47
RH            53   77 51 56 71   89 50 53 74   87 45 49 75   93 55 59
WIND DIR           NW    NW       N    NE      SE     S       S    SW
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 CHILL (F)......................WIND CHILL TEMPERATURE
HEAT INDEX (F)......................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
       +PF............PATCHY DENSE FOG
       F+.............DENSE FOG
       H..............HAZE
       BS.............BLOWING SNOW
       K..............SMOKE
       BD.............BLOWING DUST
MIXING HGT M (AGL)..................MIXING HEIGHT IN METERS
MIXING HGT FT (AGL).................MIXING HEIGHT IN FEET
TRANSWIND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION
TWIND SPD MS (M/S)..................TRANSPORT WIND SPEED IN METERS PER SECOND
TWIND SPD MPH (MPH).................TRANSPORT WIND SPEED IN MILES PER HOUR
VENT INDEX (M2/S)...................VENT INDEX IN METERS SQUARED PER SECOND
CATEGORY DAY........................CATEGORY DAY BASED ON VENT INDEX
     EXAMPLE: 1 = <2000; 2 = >=2000 AND <4000; 3 = >=4000 AND <8000;
              4 = >=8000 AND <16000; 5 = >=16000
500M MIXHGT T (F)...................SURFACE TEMPERATURE NEEDED TO CREATE MIXING
                                    UP TO 500 METERS ABOVE THE GROUND
500M TWND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION AT 500 METERS AGL
500M TWND M/S.......................TRANSPORT WIND AT 500 METERS AGL IN M/S
500M TWND MPH.......................TRANSPORT WIND AT 500 METERS AGL IN MPH
LASI (SAME AS HAINES INDEX).........LOWER ATMOSPHERIC SEVERITY INDEX
                                    MEASURES FIRE GROWTH POTENTIAL
     EXAMPLE: 1-3 = VERY LOW; 4 = LOW; 5 = MODERATE; 6 = HIGH
STABILITY...........................STABILITY CLASS
     EXAMPLE: A = VERY UNSTABLE; B = MODERATELY UNSTABLE; C = SLIGHTLY UNSTABLE
              D = NEUTRAL; E = SLIGHTLY STABLE; F = MODERATELY STABLE
              G = VERY STABLE
STAG INDEX..........................STAGNATION INDEX
     EXAMPLE: 0 = WINDS >= 10 MPH; 1 = WINDS <= 10 MPH WITH RAIN
              2 = DRY WITH DECENT WINDS
              3 = DRY WITH LIGHT WINDS AND STAGNATE CONDITIONS
WATCH/WARNING/ADVISORY...
     EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
     IN EFFECT FOR THE INDICATED HOUR


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