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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-232200-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
350 AM CDT SAT AUG 23 2014

DATE             SAT 08/23/14            SUN 08/24/14            MON 08/25/14
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                      96          75          97          74          96
TEMP          77 76 87 95 96 91 82 78 76 75 87 95 97 91 82 78 76 75 87 94 96 91
DEWPT         72 71 72 72 73 74 74 73 73 72 73 73 73 73 72 72 72 72 72 72 72 72
MIN/MAX RH                   48          92          47          92          46
RH            87 84 60 49 48 57 75 84 89 90 62 49 47 55 73 81 88 91 61 48 46 53
WIND DIR      SW SW SW  W SW  S  S  S SW NW NW NW  N NE  E SE SE SE SE  E  E SE
WIND SPD       3  2  4  4  4  3  2  3  2  1  2  2  4  3  2  3  3  2  2  3  4  4
CLOUDS        CL CL FW FW FW FW FW FW FW CL FW FW FW FW FW SC SC SC SC SC SC SC
CLOUDS(%)      2  4  6  7  8 10  9  9  7  5 15 24 21 17 22 28 31 35 36 37 40 42
POP 12HR                      5           5           5           5          20
QPF 12HR                      0           0           0           0        0.09
RAIN SHWRS                                                             IS IS
TSTMS                                                                  IS IS
MIXHGT M AGL         2007  2204   480     0  2045  2290   590     0  2270  2350
MIXHGT FT AGL        6583  7231  1575     0  6710  7512  1936     0  7448  7709
MIXHGT M MSL         2085  2282   558    47  2123  2368   668    56  2348  2428
MIXHGT FT MSL        6839  7487  1830   155  6966  7768  2192   184  7704  7965
TRANSWIND DIR           W    SW    SW     W     N    NE    NW    NE    NE    NE
TWIND SPD M/S           4     2     1     1     1     0     1     1     3     5
TWIND SPD MPH           9     5     3     3     2     1     3     3     6    11
VENT INDEX                 6846        1738        2368        1013        9712
CATEGORY DAY                  3           1           2           1           4
500M MIXHGT T          91    94    94    93    92    95    94    92    92    95
500M TWND DIR           W    SW    SW     W    NW    NW     N     E     E    NE
500M TWND M/S           4     3     2     3     2     0     1     4     2     4
500M TWND MPH          10     6     5     8     4     1     3    10     5    10
DISPERSION             26    19     2     2     9     4     2     3    32    38
LAL                     1     1     1     1     1     1     1     1     2     2
LASI                    4     5     5     4     4     4     4     4     3     4
STABILITY               B     B     F     E     A     B     F     E     A     B
STAG INDEX                    3           3           3           3           1
HEAT                    Y  Y  Y


DATE           TUE 08/26/14    WED 08/27/14    THU 08/28/14    FRI 08/29/14
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      93      72      91      69      88
TEMP           78  75  92  88  76  73  91  88  76  73  90  86  73  69  87  84
DEWPT          72  72  72  72  70  69  70  69  69  68  69  69  67  66  65  65
MAX/MIN RH         91      51      90      47      88      49      91      47
RH             82  90  53  58  80  89  50  54  79  87  50  58  81  90  49  53
WIND DIR           SE      SE      SE       S       S       W       N       N
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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