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Chickasaw State Forest Fire Weather Point Forecast Matrix
TNZ053-032200-
CHICKASAW STATE FOREST NFDRS SITE-CHESTER TN
35.37N 88.83W ELEV. 496 FT
433 AM CST SUN MAR 3 2013
DATE SUN 03/03/13 MON 03/04/13 TUE 03/05/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
MAX/MIN 45 29 63 52 58
TEMP 24 31 40 45 41 33 31 30 29 38 51 63 58 52 52 52 52 56 58 58 55
DEWPT 18 20 18 17 20 23 22 22 24 28 32 36 38 42 46 48 49 46 44 37 30
MIN/MAX RH 32 86 35 98 40
RH 80 65 42 32 42 65 70 71 81 67 47 36 47 80 97 92 90 70 56 46 40
WIND DIR NW NW W W W S S SE SE S S S S S S S SW W W W W
WIND SPD 2 3 5 6 3 2 3 4 5 11 14 12 8 9 9 10 8 11 14 16 14
CLOUDS CL SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 OV OV OV OV OV OV B1 B1 B2
CLOUDS(%) 2 26 34 42 52 60 69 69 52 52 63 63 90 90 90 90 90 90 64 64 85
POP 12HR 0 5 10 70 40
QPF 12HR 0 0 0 0.28 0.15
RAIN C C C C
RAIN SHWRS NM NM NM NM SC SC
SNOW C
TSTMS SC SC SC SC SC SC
MIXHGT M AGL 1143 1226 476 0 697 1097 183 350 1359 1997
MIXHGT FT AGL 3750 4023 1560 0 2285 3599 600 1148 4459 6553
MIXHGT M MSL 1277 1361 616 70 834 1232 323 485 1493 2131
MIXHGT FT MSL 4188 4464 2019 229 2737 4042 1060 1590 4899 6991
TRANSWIND DIR NW W S SE S S S SW NW NW
TWIND SPD M/S 4 4 2 3 9 11 7 10 10 12
TWIND SPD MPH 9 9 5 8 21 25 16 23 23 28
VENT INDEX 5444 2667 13552 3568 23441
CATEGORY DAY 3 2 4 2 5
500M MIXHGT T 33 42 44 48 53 60 61 59 51 51
500M TWND DIR NW W SW S S S S SW NW NW
500M TWND M/S 3 3 4 10 14 12 13 13 10 11
500M TWND MPH 6 8 9 23 32 28 29 29 24 26
DISPERSION 31 32 10 10 64 88 16 37 65 102
LAL 1 1 1 1 1 3 3 3 3 1
LASI 4 4 2 3 4 4 3 2 3 4
STABILITY B C F E D D D D C D
STAG INDEX 3 0 0 0 0
DATE WED 03/06/13 THU 03/07/13 FRI 03/08/13 SAT 03/09/13
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
MIN/MAX 30 46 28 52 34 61 42 62
TEMP 44 30 43 42 35 28 46 47 38 34 55 56 46 42 58 57
DEWPT 28 26 26 27 27 27 28 30 30 29 32 34 36 39 40 42
MAX/MIN RH 83 46 96 41 83 34 91 45
RH 53 83 51 54 73 95 50 51 70 82 41 44 69 90 52 58
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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