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Dyersburg NFDRS SITE Point Forecast Matrix
TNZ019-091000-
DYERSBURG RAWS NFDRS SITE-DYER TN
35.99N 89.41W ELEV. 208 FT
300 PM CST SUN NOV 8 2009
DATE 11/08/09 MON 11/09/09 TUE 11/10/09 WED
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
MIN/MAX 51 71 51 67 45
TEMP 73 69 62 58 55 52 59 67 70 67 61 58 55 52 58 65 66 61 58 55 51 46
DEWPT 49 53 53 53 52 52 51 51 51 51 51 50 50 49 49 49 48 48 46 45 41 38
MAX/MIN RH 100 50 91 52 74
RH 41 57 73 81 91100 76 56 51 57 70 76 83 91 72 56 53 61 65 67 69 74
WIND DIR S SE SE SE SE SE E E E NE E E NE N NE NE N N N N N N
WIND SPD 4 4 4 4 4 4 5 6 6 5 6 8 8 8 9 9 10 10 10 10 10 9
CLOUDS SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC FW
CLOUDS(%) 30 36 40 45 51 72 72 72 72 82 82 82 82 65 65 65 65 30 30 30 30 10
POP 12HR 0 10 10 20 5
QPF 12HR 0 0 0 0.02 0
RAIN S S S S
MIXHGT M AGL 0 0 1390 1595 34 266 408 701 420 369
MIXHGT FT AGL 0 0 4560 5234 112 872 1339 2300 1379 1209
MIXHGT M MSL 61 51 1480 1685 124 356 498 791 510 458
MIXHGT FT MSL 201 167 4855 5529 407 1167 1634 2595 1674 1504
TRANSWIND DIR SE SE SE SE SE SE E NE NE N
TWIND SPD MS 2 2 4 3 3 4 6 10 10 10
TWIND SPD MPH 5 5 9 6 8 10 14 23 23 24
VENT INDEX 321 6740 1424 6328 5650
CATEGORY DAY 1 3 1 3 3
500M MIXHGT T 72 72 73 72 72 66 65 64 60 57
500M TWND DIR SE S S E SE SE E NE NE N
500M TWND M/S 7 10 7 3 9 7 9 9 11 12
500M TWND MPH 17 23 16 6 20 17 20 21 26 28
DISPERSION 5 5 31 28 8 12 37 49 37 19
LASI 4 4 4 4 5 3 3 3 3 2
STABILITY C F E C C D D C C E
STAG INDEX 0 0 0 0 0
DATE 11/11/09 THU 11/12/09 FRI 11/13/09 SAT 11/14/09 SUN 11/15/09
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
MAX/MIN 63 41 65 45 68 50 68 51 67
TEMP 62 56 48 42 61 57 49 46 64 61 56 51 64 62 57 52 65 63
DEWPT 39 37 37 40 42 42 42 44 46 50 50 51 56 56 55 52 50 48
MIN/MAX RH 40 94 44 93 48 100 66 100 53
RH 43 48 67 93 49 56 76 92 52 65 81 100 74 79 94 100 58 57
WIND DIR N N N E S S S S S
WIND SPD 8 4 3 4 4 5 9 8 12
AVG CLOUDS FW FW CL CL CL CL FW FW FW FW SC SC B1 B1 B1 B1 B2 B2
POP 12HR 0 0 0 0 5 10 10 20 30
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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