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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-312200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
323 AM CDT FRI OCT 31 2014

DATE             FRI 10/31/14            SAT 11/01/14            SUN 11/02/14
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                      58          30          51          32          58
TEMP          51 48 53 57 58 47 40 36 32 30 38 48 51 44 38 36 34 32 42 54 58 51
DEWPT         48 43 42 40 34 31 28 24 24 23 24 24 25 25 25 25 25 25 27 28 30 32
MIN/MAX RH                   39          77          36          76          34
RH            86 83 64 52 39 53 62 63 71 77 57 40 36 49 59 65 70 75 54 36 34 48
WIND DIR      NW NW  N  N  N  N  N  N  N  N  N  N  N  N  N NE NE  E SE SE SE  S
WIND SPD       4  9 14 16 16 10  9  6  6  5  6  6  6  3  3  2  2  2  4  5  5  4
CLOUDS        CL FW FW FW CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW
CLOUDS(%)      5  7  7  8  4  0  0  0  0  0  0  0  3  5 11 16 17 18 21 25 22 20
POP 12HR                      0           0           0           0           0
QPF 12HR                      0           0           0           0           0
MIXHGT M AGL         1228  1395   865    81  1009  1049     0     0   629   727
MIXHGT FT AGL        4029  4577  2838   265  3311  3441     0     0  2065  2386
MIXHGT M MSL         1306  1473   943   159  1087  1127    65    53   707   805
MIXHGT FT MSL        4285  4833  3094   521  3567  3697   213   175  2321  2642
TRANSWIND DIR           N     N     N     N     N     N    NE    NE    SE    SE
TWIND SPD M/S          10    13     8     5     7     4     2     1     3     2
TWIND SPD MPH          24    29    18    12    16     9     4     3     6     5
VENT INDEX                16203       10440        6762         206        2415
CATEGORY DAY                  5           4           3           1           2
500M MIXHGT T          60    54    45    41    43    48    48    47    52    56
500M TWND DIR           N     N     N     N     N     N    NE     E    SE    SE
500M TWND M/S          11    12    13    13     9     5     6     6     4     3
500M TWND MPH          26    28    29    29    20    12    14    14    10     6
DISPERSION             71    83    12    11    42    37     2     3    16    12
LAL                     1     1     1     1     1     1     1     1     1     1
LASI                    3     4     5     4     4     4     4     4     4     4
STABILITY               D     D     F     E     B     C     F     E     B     C
STAG INDEX                    0           0           2           3           3
FREEZE                              W  W  W                 A  A  A


DATE           MON 11/03/14    TUE 11/04/14    WED 11/05/14    THU 11/06/14
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            39      66      51      70      56      65      51      67
TEMP           43  39  62  60  54  51  67  65  59  56  64  60  54  51  65  59
DEWPT          35  34  40  43  42  45  52  54  55  55  56  55  51  50  48  47
MAX/MIN RH         82      40      82      55      97      71      95      50
RH             72  79  44  52  63  79  58  69  86  97  76  85  91  95  55  66
WIND DIR            S       S       S       S       S      NW       N       N
WIND SPD            4       8       6      10       6       4       5       6
AVG CLOUDS     FW  SC  SC  SC  SC  B1  B2  B2  OV  OV  OV  OV  B2  B1  SC  SC
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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