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St. Francis National Forest Fire Weather Point Forecast Matrix


ARZ049-241000-
MARIANNA NFDRS SITE-LEE AR
34.76N  90.72W ELEV. 253 FT
328 PM CDT WED APR 23 2014

DATE           04/23/14      THU 04/24/14            FRI 04/25/14            SAT
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                      53          80          53          80          58
TEMP          76 73 63 58 55 53 67 77 80 75 64 58 54 53 67 77 80 76 67 63 59 58
DEWPT         51 46 46 47 47 47 53 59 61 62 59 55 53 52 51 50 51 52 53 55 55 55
MAX/MIN RH                   80          52          99          36          89
RH            41 38 54 66 76 79 61 55 52 65 82 88 96 96 57 39 36 42 61 76 85 88
WIND DIR       E  E  E  E SE SE  S  S  S SW  W NW  N  N  W  S  S SW  S  S  S  S
WIND SPD       4  4  4  4  4  5 10 13 13 12 10  6  3  1  2  3  3  3  3  3  2  1
CLOUDS        FW CL CL FW FW SC SC B1 B1 B2 B2 SC SC FW FW FW FW FW FW FW FW FW
CLOUDS(%)     20  0  0 19 19 42 42 67 67 73 73 42 42 17 17 17 17 10 10 10 10 25
POP 12HR                      0          50          50           0           5
QPF 12HR                      0        0.08        0.21           0           0
RAIN SHWRS                         SC SC SC SC
TSTMS                              SC SC SC SC
MIXHGT M AGL          434     0  1824  1947   511    97  1730  1765   906     0
MIXHGT FT AGL        1425     0  5983  6387  1677   317  5676  5791  2974     0
MIXHGT M MSL          504    55  1902  2025   589   175  1808  1843   981    40
MIXHGT FT MSL        1653   181  6239  6642  1933   575  5932  6047  3219   132
TRANSWIND DIR           E    SE     S     S     W    NW     N    NW     S    SE
TWIND SPD M/S           3     3     9    11    10     4     5     2     2     2
TWIND SPD MPH           6     8    21    25    23     9    12     4     4     5
VENT INDEX                 2394       20250        4712        7372        2850
CATEGORY DAY                  2           5           3           3           2
500M MIXHGT T          73    72    75    79    69    65    67    73    73    71
500M TWND DIR          SE    SE     S     S     W    NW     N    NW     S     S
500M TWND M/S           7    10    10    12    12    11     4     1     3     6
500M TWND MPH          16    23    24    28    28    26     9     3     6    13
DISPERSION              3    10    71    82    28    13    43    20     3     5
LAL                     1     1     3     3     3     1     1     1     1     1
LASI                    5     4     3     4     3     5     5     6     5     4
STABILITY               F     E     B     C     E     E     A     B     F     E
STAG INDEX                    0           0           0           3           3


DATE            04/26  SUN 04/27/14    MON 04/28/14    TUE 04/29/14    WED 04/30/14
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            84      64      83      65      78      60      74      49      59
TEMP           80  80  68  64  80  80  69  65  76  75  64  60  72  69  54  49  57  57
DEWPT          60  64  64  64  65  66  66  65  67  63  59  57  52  49  44  42  40  42
MIN/MAX RH         48      99      55     100      63      91      44      77      51
RH             50  58  86  98  59  62  90  99  72  67  85  89  49  49  69  76  51  59
WIND DIR            S       S       S      SE       S      SW       W      NW       N
WIND SPD            3       4      11      12      14      10      12      11      10
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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