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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Nov 4 2026
VAZ046-042100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
701 AM EST Wed Nov 4 2026
Date Wed 11/04/26 Thu 11/05/26 Fri 11/06/26
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 76 61 75 61 72
TEMP 63 74 74 66 65 63 63 63 68 73 74 67 65 64 62 61 67 71 69 59
DEWPT 57 59 59 59 60 62 63 63 67 68 68 67 65 64 62 61 63 61 58 56
MAX/MIN RH 59 100 79 100 67
RH 81 59 59 78 84 97100100 97 84 82100100100100100 87 71 68 90
WIND DIR S S S SE S S S S S SW S S S S SW SW SW W W NW
WIND SPD 3 6 4 2 4 6 8 8 10 10 8 4 3 3 3 3 4 4 3 2
CLOUDS SC B1 B2 OV OV OV OV OV B2 B2 SC SC B2 B2 B2 B2 B2 B1 B1 SC
CLOUDS(%) 45 65 80 97 93 93100100 76 71 47 45 72 82 84 86 78 62 58 28
VSBY 10 10 10 10 10 7 5 6 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 50 30 50 60
RAIN SHWRS IS IS SC SC SC SC SC NM NM SC SC
TSTMS IS IS
Obvis PF PF
MIX HGT 2 4 3 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 2 1 <1
T WIND DIR S S S S S S S S SW SW SW SW SW SW SW W W NW NW NW
T WIND SPD 10 13 11 8 11 11 11 10 16 16 12 8 8 9 6 4 8 6 6 5
DISPERSION VP VP PR PR VP VP VP VP VP
ADI 21 60 40 4 8 8 10 11 32 36 35 5 4 4 3 4 11 13 12 3
MAX LVORI 3 1 1 4 4 6 7 7 4 4 3 9 9 9 9 9 5 3 3 6
STABILITY B B C F E E D D D D B E F F F C D D C G
CEILING None 11500 4200 4200 5000 None 3300 300 200 None
STA PRES 29.42 29.32 29.29 29.27 29.25 29.22 29.23 29.19 29.16 29.13
Date Sat 11/07/26Sun 11/08/26Mon 11/09/26Tue 11/10/26
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 47 65 37 63 36 63 35 66
TEMP 52 48 64 52 42 38 61 50 42 37 61 52 40 37 65 56
DEWPT 50 45 43 41 39 37 37 38 36 34 33 34 34 33 36 38
RH 93 89 46 66 89 96 41 63 79 89 35 50 79 85 34 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW FW FW FW CL CL CL CL FW FW
POP 12HR 5 0 0 0 5 5 0 0
$$
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