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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-022200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
430 AM CDT TUE SEP 2 2014

DATE             TUE 09/02/14            WED 09/03/14            THU 09/04/14
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN                      92          73          91          73          93
TEMP             75 81 88 91 87 80 77 75 74 80 87 90 86 79 76 75 74 80 88 92 88
DEWPT            71 74 74 74 75 73 72 72 72 75 74 73 74 73 73 71 71 72 73 72 72
MIN/MAX RH                   57          95          56          91          53
RH               89 79 63 57 67 81 84 89 94 86 64 56 66 82 89 88 91 77 60 53 60
WIND DIR          S  S  S  S  S  S  S  S  S  S  S  S  S  S SE  S SE  S  S  S  S
WIND SPD          4  5  9 11  5  3  3  3  2  4  4  6  3  4  2  2  2  4  5  5  3
CLOUDS           B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW SC SC SC SC SC
CLOUDS(%)        60 60 60 60 56 56 59 59 67 67 49 49 45 45 25 25 35 35 35 35 35
POP 12HR                     30          20          20           5          20
QPF 12HR                   0.10        0.01        0.10           0           0
RAIN SHWRS       SC SC SC SC IS IS IS IS IS IS IS IS             IS IS IS IS
TSTMS            SC SC SC SC IS IS IS IS IS IS IS IS             IS IS IS IS
MIXHGT M AGL         2070  2046   398     0  1742  2094     0     0  2274  2055
MIXHGT FT AGL        6792  6714  1307     0  5716  6870     0     0  7459  6743
MIXHGT M MSL         2148  2124   477    74  1820  2172    69    63  2352  2133
MIXHGT FT MSL        7048  6970  1564   242  5972  7126   225   206  7715  6999
TRANSWIND DIR          SW    SW     S     S    SW     S     S     S    SW     S
TWIND SPD M/S           4     6     2     2     3     3     3     2     2     3
TWIND SPD MPH           9    14     5     5     6     6     6     4     4     8
VENT INDEX                10740        2241        6516         555        7056
CATEGORY DAY                  4           2           3           1           3
500M MIXHGT T          85    86    83    84    84    90    88    86    87    87
500M TWND DIR          SW     S    SW    SW    SW     S     S    SW    SW     S
500M TWND M/S           5     7     6     8     4     3     9     8     3     5
500M TWND MPH          11    17    14    18     9     8    20    18     6    12
DISPERSION             34    46     5     4    25    22     5     4    15    31
LAL                     3     3     2     2     2     2     1     2     2     2
LASI                    3     3     3     3     3     4     4     3     3     4
STABILITY               B     C     F     E     B     C     F     E     B     C
STAG INDEX                    0           0           0           0           2


DATE           FRI 09/05/14    SAT 09/06/14    SUN 09/07/14    MON 09/08/14
UTC 6HRLY      06  12  18  00  06  12  18  00  06  12  18  00  06  12  18  00
CDT 6HRLY      01  07  13  19  01  07  13  19  01  07  13  19  01  07  13  19

MIN/MAX            75      93      73      91      70      86      68      89
TEMP           78  76  89  88  78  74  88  86  75  71  84  81  73  69  85  83
DEWPT          72  71  71  71  70  70  70  70  69  68  68  68  67  66  67  68
MAX/MIN RH         87      50      88      52      91      56      92      51
RH             80  86  55  56  77  87  56  60  81  90  58  65  82  92  55  61
WIND DIR           SW      SW      SW       W      NE      NE      NE      NE
WIND SPD            3       3       3       2       4       4       4       1
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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