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Greenfield NFDRS SITE Point Forecast Matrix
TNZ003-222200-
GREENFIELD NFDRS SITE-WEAKLEY TN
36.16N 88.80W ELEV. 499 FT
510 AM CDT WED MAY 22 2013
DATE WED 05/22/13 THU 05/23/13 FRI 05/24/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
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 79 59 79 50 72
TEMP 63 72 77 79 77 68 63 60 60 70 77 79 74 62 56 52 52 63 70 72 68
DEWPT 63 65 64 62 60 59 58 56 56 56 54 53 52 52 50 48 47 46 46 46 46
MIN/MAX RH 54 89 41 89 39
RH 99 78 63 55 56 73 82 85 86 60 45 41 47 70 82 85 85 55 42 39 45
WIND DIR S SW SW W SW SW W W W W NW NW NW N N N N N N NE NE
WIND SPD 6 8 9 9 5 4 4 4 3 9 10 12 10 5 6 4 3 5 8 6 4
CLOUDS B2 B2 B1 B1 SC SC FW SC SC SC B1 B1 SC SC FW FW FW FW FW FW FW
CLOUDS(%) 82 74 65 60 35 27 19 26 32 42 52 52 40 28 17 12 6 7 8 8 8
POP 12HR 40 10 20 5 0
QPF 12HR 0.32 0 0 0 0
RAIN SHWRS SC SC SC SC IS IS IS IS
TSTMS SC SC SC SC IS IS IS IS
MIXHGT M AGL 815 1589 897 0 1479 1307 846 148 1095 1077
MIXHGT FT AGL 2673 5214 2944 0 4851 4287 2774 484 3592 3534
MIXHGT M MSL 929 1710 1001 78 1596 1423 950 262 1209 1193
MIXHGT FT MSL 3047 5609 3283 256 5235 4668 3116 858 3966 3915
TRANSWIND DIR SW SW SW W W NW N NE NE NE
TWIND SPD M/S 5 8 3 2 8 8 5 5 7 5
TWIND SPD MPH 11 19 8 5 18 19 11 12 16 11
VENT INDEX 10260 5740 12768 6675 7254
CATEGORY DAY 4 3 4 3 3
500M MIXHGT T 71 74 77 74 73 73 68 61 60 67
500M TWND DIR SW SW W NW W NW N NE NE NE
500M TWND M/S 6 8 9 8 5 7 10 10 6 5
500M TWND MPH 14 19 20 18 11 17 23 24 14 11
DISPERSION 44 41 6 7 62 50 17 20 45 28
LAL 3 3 1 2 2 2 1 1 1 1
LASI 3 3 4 5 3 3 3 4 4 4
STABILITY C C F E B C F E B C
STAG INDEX 0 2 0 0 2
DATE SAT 05/25/13 SUN 05/26/13 MON 05/27/13 TUE 05/28/13
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 49 78 54 82 59 84 62 84
TEMP 54 51 75 74 59 56 79 78 64 61 82 80 66 63 82 81
DEWPT 46 47 49 50 51 51 53 56 57 58 58 58 59 59 60 61
MAX/MIN RH 90 36 90 39 94 42 89 44
RH 76 85 39 43 75 85 42 47 79 90 45 47 77 85 47 51
WIND DIR NE E SE S S SW S S
WIND SPD 4 3 4 4 4 6 5 6
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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