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Chickasaw State Forest Fire Weather Point Forecast Matrix
TNZ053-031000-
CHICKASAW STATE FOREST NFDRS SITE-CHESTER TN
35.37N 88.83W ELEV. 496 FT
310 PM CDT WED OCT 2 2013
DATE 10/02/13 THU 10/03/13 FRI 10/04/13 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 64 85 65 88 66
TEMP 84 78 73 69 67 65 74 81 84 78 73 70 68 66 75 84 87 79 74 70 68 67
DEWPT 67 68 66 65 64 63 64 65 65 66 65 64 64 63 64 65 66 67 66 66 65 64
MAX/MIN RH 95 53 91 49 92
RH 55 71 80 87 89 94 71 57 53 67 77 83 85 90 68 53 49 65 77 87 90 91
WIND DIR S S S S S S S S S S S S S S S S S SE SE S S S
WIND SPD 4 5 5 5 5 5 5 6 5 4 4 4 4 4 4 4 4 4 4 5 5 5
CLOUDS B1 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC B2
CLOUDS(%) 63 70 70 60 60 50 50 60 60 45 45 45 45 60 60 60 60 47 47 50 50 73
POP 12HR 20 20 10 20 20
QPF 12HR 0.01 0.04 0 0.02 0
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS IS IS NM
TSTMS SC IS IS IS IS IS IS IS IS NM
OBVIS PF PF PF PF PF PF PF PF
MIXHGT M AGL 0 0 1695 1846 43 0 1894 1711 0 0
MIXHGT FT AGL 0 0 5560 6057 142 0 6214 5613 0 0
MIXHGT M MSL 122 86 1833 1980 181 82 2029 1846 102 91
MIXHGT FT MSL 399 282 6012 6497 593 267 6655 6055 334 297
TRANSWIND DIR E SE S S S S S S SE S
TWIND SPD M/S 2 2 5 5 3 2 5 7 4 3
TWIND SPD MPH 4 4 11 12 6 5 12 16 9 8
VENT INDEX 480 9900 1149 12174 624
CATEGORY DAY 1 4 1 4 1
500M MIXHGT T 80 80 79 81 79 79 80 80 83 83
500M TWND DIR SE S S S S SW S S S S
500M TWND M/S 4 7 4 6 9 10 6 8 12 13
500M TWND MPH 9 17 10 13 20 24 13 18 27 29
DISPERSION 4 4 37 40 5 5 43 56 6 7
LAL 1 1 2 2 1 2 2 2 2 4
LASI 3 3 3 4 3 3 3 3 3 4
STABILITY E E C D F F C D F F
STAG INDEX 1 0 0 0 0
DATE 10/05 SUN 10/06/13 MON 10/07/13 TUE 10/08/13 WED 10/09/13
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 87 61 73 47 70 43 73 48 77
TEMP 83 78 67 62 73 67 58 48 68 62 51 44 66 65 54 49 73 69
DEWPT 65 66 60 54 52 50 47 44 46 47 45 43 48 53 50 48 51 53
MIN/MAX RH 50 79 47 89 44 98 44 97 42
RH 54 66 77 76 47 54 67 85 45 59 79 95 53 64 89 96 46 56
WIND DIR S SW NW NW NW N NW NE SE
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