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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EST Sun Nov 1 2026
NCZ003-012000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1101 AM EST Sun Nov 1 2026
Date Sun 11/01/26 Mon 11/02/26 Tue 11/03/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 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 TEMP 64 45 66 44 70
TEMP 62 62 54 50 49 47 46 56 62 65 56 49 48 46 45 61 67 70 61
DEWPT 42 42 43 41 41 41 42 48 47 48 48 45 44 44 45 55 56 57 56
MAX/MIN RH 46 90 53 100 64
RH 48 48 66 71 74 79 86 74 58 54 74 86 86 93100 81 68 63 84
WIND DIR E E E N N N N E SE SE N N N N N SE S S N
WIND SPD 4 3 1 0 0 0 0 1 3 3 0 0 0 0 0 2 5 4 0
CLOUDS SC B1 B1 B1 B2 B2 OV SC SC FW FW SC SC SC SC FW SC FW FW
CLOUDS(%) 49 68 59 53 72 76 88 36 37 15 24 35 29 31 30 25 26 19 16
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 10 0 0
MIX HGT 3 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SE E E E E E E SE SE SE E
T WIND SPD 6 5 4 4 4 4 3 4 5 5 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 15 13 2 2 2 2 3 8 15 15 2
MAX LVORI 2 2 3 3 3 3 6 3 2 2 4
STABILITY D C F F F F C C B B G
CEILING 8200 7300 8100 None None None
STA PRES 28.5 28.50 28.48 28.47 28.40
Date Wed 11/04/26Thu 11/05/26Fri 11/06/26Sat 11/07/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 51 70 57 72 56 72 51 70
TEMP 54 54 67 64 60 59 69 65 59 58 70 63 55 53 68 59
DEWPT 53 54 63 62 60 59 67 64 59 58 62 58 53 51 55 53
RH 96100 87 93100100 93 97100100 76 84 93 93 63 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B2 OV B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 5 30 70 70 40 40 20 10
RAIN SHWRS SC SC NM NM NM NM SC SC SC SC IS
TSTMS 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