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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
243 AM EDT Fri Oct 30 2026
NCZ003-310800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
243 AM EDT Fri Oct 30 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 50 79 47 65 45
TEMP 51 52 69 77 77 62 56 53 49 47 58 63 64 55 51 49 46 45
DEWPT 45 44 53 56 56 53 47 42 40 39 45 45 45 46 43 40 39 39
MIN/MAX RH 93 47 77 49 79
RH 80 74 57 48 48 72 72 66 71 74 62 52 50 72 74 71 76 79
WIND DIR NW NW NW N N N NW N NE N E SE SE N N N N N
WIND SPD 5 4 4 5 5 3 3 2 1 0 3 3 3 0 0 0 0 0
CLOUDS CL CL CL FW FW FW FW FW SC B1 B1 OV B1 B2 B2 OV B2 B2
CLOUDS(%) 1 2 4 22 10 10 24 25 48 54 68 90 67 79 85 91 86 86
VSBY 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 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1
T WIND DIR NW NW N NW N N N N N N E E E SE E E E E
T WIND SPD 6 8 18 13 16 6 6 5 4 3 8 4 4 4 2 2 2 2
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 3 8 38 53 50 3 3 3 2 3 21 13 12 2 1 1 1 2
MAX LVORI 4 3 1 1 1 3 3 3 3 3 2 2 2 3 3 3 3 4
STABILITY F B B B B G G G F A B B B F F F F B
CEILING None None None None None 20400 20400 16700 13500
STA PRES 28.28 28.31 28.32 28.39 28.44 28.51 28.48 28.51 28.49
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 64 45 66 46 70 51 68 55 71
TEMP 62 56 49 46 63 57 49 48 67 61 55 53 65 63 57 56 69 62
DEWPT 43 44 40 41 50 51 47 48 57 57 54 53 63 62 57 55 59 57
RH 50 64 71 83 62 80 93100 70 87 96100 93 97100 96 70 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 B1 SC SC SC B1 SC SC B1 B2 B2 B1 B1 B1 B1
POP 12HR 0 5 5 0 0 30 60 50 50
RAIN SHWRS SC NM NM SC SC SC SC
TSTMS IS IS
$$
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