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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EST Sun Nov 1 2026
VAZ018-020800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
901 PM EST Sun Nov 1 2026
Date 11/01/26 Mon 11/02/26 Tue 11/03/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 49 63 46 72 52
TEMP 53 51 50 49 54 62 61 53 50 49 48 47 61 70 68 57 55 54 53 53
DEWPT 37 37 38 39 44 43 41 39 39 38 40 41 50 54 54 51 50 50 50 51
MIN/MAX RH 75 47 82 55 93
RH 54 59 63 68 69 50 48 59 66 66 74 79 67 57 61 80 83 86 89 93
WIND DIR SE E N N SE SE SE SE SE N N N SE SE SE SE SE SE SE SE
WIND SPD 1 1 0 0 1 3 3 1 1 0 0 0 2 4 5 2 1 1 1 1
CLOUDS B1 B2 B2 OV B2 B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC B1
CLOUDS(%) 66 75 85 91 74 68 68 42 45 22 19 10 10 16 14 14 34 36 37 54
VSBY 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10 4
POP 12HR 5 10 0 0 0
MIX HGT <1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR SE SE W E S SE SE SE S SE SW NE S S S SE
T WIND SPD 5 2 1 2 5 5 4 4 3 1 2 1 6 6 8 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 1 1 2 7 12 9 2 2 1 1 1 14 23 24 2
MAX LVORI 3 3 4 3 3 2 2 3 3 4 3 4 3 2 2 5
STABILITY F F F C C C C F F G G A B B B G
CEILING 6400 6000 None None None None None None
STA PRES 28.16 28.14 28.08 28.08 28.05 28.06 28.01
Date 11/04Thu 11/05/26Fri 11/06/26Sat 11/07/26Sun 11/08/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 69 59 70 56 68 50 63 45 64
TEMP 66 62 61 60 68 63 59 57 66 59 54 52 61 54 48 46 61 54
DEWPT 61 60 60 60 63 59 57 55 57 52 50 47 49 45 42 40 46 43
RH 84 93 97100 84 87 93 93 73 78 86 83 65 71 80 79 58 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 OV OV B2 B2 B2 B2 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 10 60 60 30 30 10 10 5 10
RAIN SHWRS IS NM NM SC SC SC SC 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