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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Thu Oct 29 2026
NCZ003-300800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
301 PM EDT Thu Oct 29 2026
Date 10/29/26 Fri 10/30/26 Sat 10/31/26 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 54 76 48 65 45
TEMP 70 60 57 55 54 54 68 76 74 62 56 52 49 48 59 63 64 56 50 48 46 46
DEWPT 53 52 48 46 44 45 49 51 51 54 49 44 41 41 45 46 45 47 44 41 40 41
MIN/MAX RH 75 42 80 50 83
RH 55 75 72 72 69 71 51 42 44 75 77 74 74 77 60 54 50 72 80 77 79 83
WIND DIR S N NW NW NW NW NW N N N N N N N E SE SE N N N N N
WIND SPD 1 0 1 2 3 4 5 5 5 3 3 2 1 0 3 3 2 0 0 0 0 0
CLOUDS CL CL CL CL CL CL CL CL SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 OV B2
CLOUDS(%) 5 1 2 3 3 4 3 5 30 6 31 43 37 53 69 80 75 81 82 85 88 87
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 <1 <1 <1 <1 <1 2 4 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR S W NW NW NW NW N N N N N N NE E E SE SE E
T WIND SPD 3 3 5 9 12 12 14 12 11 9 9 8 5 4 6 6 4 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 9 2 3 4 6 13 33 54 35 4 4 4 3 4 16 18 12 2
MAX LVORI 2 4 3 3 3 3 1 1 1 3 4 3 3 4 2 2 2 3
STABILITY A G G G G B B B B G G F G C C C C F
CEILING None None None None None None 0 0 0
STA PRES 28.29 28.28 28.31 28.31 28.39 28.44 28.51 28.48
Date 11/01Mon 11/02/26Tue 11/03/26Wed 11/04/26Thu 11/05/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 66 47 67 48 70 52 70 56 71
TEMP 63 55 49 48 64 57 50 49 68 61 54 53 67 63 58 57 68 64
DEWPT 44 46 43 44 51 52 47 48 56 55 53 53 61 60 57 56 62 59
RH 50 72 80 86 63 83 89 96 65 81 96100 81 90 96 96 81 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B2 B1 SC SC SC SC SC SC B1 B2 B2 B2 B2 B2
POP 12HR 0 10 10 10 10 20 40 60 60
RAIN SHWRS IS SC SC NM NM NM SC
$$
This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.
Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)
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 humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
TYPE...
RAIN...........Rain
RAIN SHWRS.....Rain showers
TSTMS..........Thunderstorms
DRIZZLE........Drizzle
SNOW...........Snow
SNOWSHWRS......Snow showers
SLEET..........Sleet
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
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure
Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions