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Greenfield NFDRS SITE Point Forecast Matrix
TNZ003-032200-
GREENFIELD NFDRS SITE-WEAKLEY TN
36.16N 88.80W ELEV. 499 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 44 28 60 50 54
TEMP 21 29 38 44 40 32 29 29 28 37 49 60 55 50 50 50 50 54 54 54 51
DEWPT 17 19 18 18 20 22 23 23 24 28 32 35 38 41 43 44 44 42 40 35 30
MIN/MAX RH 35 91 38 96 43
RH 82 68 45 35 45 68 77 78 87 70 51 40 51 81 93 84 79 64 54 48 44
WIND DIR NW NW W W S SE SE SE SE SE S S S SE S SW W W W W W
WIND SPD 2 3 4 4 1 2 3 4 5 10 12 10 5 5 5 6 6 10 14 14 12
CLOUDS CL SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 OV OV OV OV B2 B2 B2 B2 B2
CLOUDS(%) 2 33 36 44 60 65 70 70 52 52 65 65 90 90 90 90 87 87 77 77 85
POP 12HR 0 10 10 70 40
QPF 12HR 0 0 0 0.39 0.13
RAIN C C C C
RAIN SHWRS NM NM NM NM
SNOW C
TSTMS SC SC SC SC
MIXHGT M AGL 1156 1234 448 0 679 1323 100 575 1695 1984
MIXHGT FT AGL 3792 4049 1470 0 2229 4340 329 1887 5560 6510
MIXHGT M MSL 1273 1352 552 57 793 1437 214 689 1813 2098
MIXHGT FT MSL 4177 4435 1812 188 2603 4714 703 2261 5947 6884
TRANSWIND DIR NW W S SE S S S SW NW NW
TWIND SPD M/S 3 4 2 4 11 12 7 7 10 12
TWIND SPD MPH 8 9 5 9 25 27 16 17 23 27
VENT INDEX 5408 2466 17244 3857 23078
CATEGORY DAY 3 2 5 2 5
500M MIXHGT T 33 42 44 48 53 60 61 58 49 48
500M TWND DIR NW W SW S S S SW W NW NW
500M TWND M/S 3 3 4 8 13 12 13 12 9 11
500M TWND MPH 6 8 9 19 29 28 29 27 21 25
DISPERSION 28 28 11 11 63 86 11 39 68 87
LAL 1 1 1 1 1 3 3 3 1 1
LASI 4 4 3 3 4 4 3 3 3 4
STABILITY B C F E C C 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 44 27 52 33 61 42 62
TEMP 42 30 42 41 34 27 45 47 38 33 54 56 46 42 57 57
DEWPT 27 24 25 27 26 26 28 30 29 28 31 34 35 36 39 41
MAX/MIN RH 79 49 97 40 83 34 82 43
RH 55 78 52 57 73 96 49 50 69 81 41 44 66 81 49 55
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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