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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-011000-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
319 PM CDT THU JUL 31 2014

DATE           07/31/14      FRI 08/01/14            SAT 08/02/14            SUN
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
CDT 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX                      65          83          66          86          67
TEMP          76 74 69 67 65 65 75 81 83 79 72 69 67 67 78 85 86 82 74 71 69 68
DEWPT         65 65 64 65 64 64 65 62 64 65 66 65 65 65 65 65 65 66 66 66 66 65
MAX/MIN RH                   96          59          94          50          96
RH            67 76 85 94 96 98 73 53 53 62 80 87 92 93 66 52 49 59 76 84 90 92
WIND DIR      SE  N  E NE  N NE  E SE NW  N  E  N  N  N NE NE  N  N  N  N  N  N
WIND SPD       4  2  2  1  2  1  2  2  1  2  2  3  3  3  4  3  4  3  3  3  3  3
CLOUDS        B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
CLOUDS(%)     86 80 80 77 77 73 73 73 73 59 59 59 59 53 53 53 53 31 31 31 31 36
POP 12HR                     40          30          20          20          10
QPF 12HR                   0.03        0.01           0        0.05           0
RAIN SHWRS    SC SC SC IS IS SC SC SC SC IS IS IS IS IS IS IS IS
TSTMS                        SC SC SC SC IS IS IS IS IS IS IS IS
MIXHGT M AGL          453    76  1380  1359   689    40  1932  1989  1033     0
MIXHGT FT AGL        1486   249  4527  4459  2259   131  6340  6525  3389     0
MIXHGT M MSL          531   154  1458  1437   767   118  2010  2067  1111    73
MIXHGT FT MSL        1742   504  4783  4715  2515   387  6596  6781  3645   240
TRANSWIND DIR           W    NE     E     E     S     W    NE    NE    NE    NE
TWIND SPD M/S           1     2     4     1     2     0     4     4     2     3
TWIND SPD MPH           2     4    10     3     4     1    10    10     4     6
VENT INDEX                  601        4374        1078        8268        4770
CATEGORY DAY                  1           3           1           4           3
500M MIXHGT T          73    74    75    78    79    78    79    83    84    83
500M TWND DIR           S    NE     E     S     S     S    NE    NE    NE    NE
500M TWND M/S           1     3     4     1     2     1     3     3     3     8
500M TWND MPH           3     8     9     3     5     3     8     8     8    18
DISPERSION              2     6    31    15     2     2    40    38     2     6
LAL                     1     3     3     3     3     3     2     2     1     1
LASI                    3     3     3     3     3     3     3     4     4     4
STABILITY               D     D     B     B     D     D     B     C     F     E
STAG INDEX                    2           1           2           3


DATE            08/03  MON 08/04/14    TUE 08/05/14    WED 08/06/14    THU 08/07/14
UTC 6HRLY      18  00  06  12  18  00  06  12  18  00  06  12  18  00  06  12  18  00
CDT 6HRLY      13  19  01  07  13  19  01  07  13  19  01  07  13  19  01  07  13  19

MAX/MIN            89      66      90      66      91      70      92      70      90
TEMP           87  84  70  67  88  85  71  67  89  86  73  70  90  86  73  70  89  86
DEWPT          65  65  64  64  64  65  64  64  65  65  65  66  67  68  68  68  68  69
MIN/MAX RH         45      91      42      86      44      91      45      94      90
RH             48  53  82  91  45  51  81  90  44  50  77  86  46  53  83  93  51  57
WIND DIR           NE      NE      NE       E      NE       S      SW       S      SW
WIND SPD            5       3       4       2       1       2       2       4       6
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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