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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Oct 26 2026
VAZ018-270800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 PM EDT Mon Oct 26 2026
Date 10/26/26 Tue 10/27/26 Wed 10/28/26 Thu
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 45 71 49 67 50
TEMP 68 54 51 49 47 47 62 69 68 55 52 51 49 49 58 65 63 55 53 52 51 50
DEWPT 42 42 41 40 41 41 42 43 44 45 46 46 47 46 52 51 50 51 50 49 47 46
MIN/MAX RH 79 38 97 57 90
RH 39 64 68 71 79 79 48 39 42 69 80 83 93 89 80 60 62 86 89 89 86 86
WIND DIR NW NW NW N N N E SE SE E SE N N N SE SE SE SE N N N N
WIND SPD 1 3 2 2 1 1 1 3 2 1 1 0 0 0 2 3 3 1 0 0 0 0
CLOUDS CL FW FW SC SC FW CL FW SC SC SC B1 B1 B2 B1 B2 B1 B1 B1 B2 B1 B1
CLOUDS(%) 2 12 20 39 34 20 3 10 29 26 33 56 60 74 51 70 59 63 69 72 68 54
VSBY 10 10 10 10 10 7 10 10 10 10 10 9 5 1
POP 12HR 0 0 0 0 0
MIX HGT 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W NW NW NW NW E E E SE SE SE SE SE S S S SE
T WIND SPD 4 3 4 4 3 3 5 3 3 2 6 10 9 9 8 6 6 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 14 2 2 2 2 3 13 13 12 1 3 5 4 7 20 21 20 4
MAX LVORI 2 3 3 3 4 4 2 2 2 3 4 5 6 5 3 2 2 5
STABILITY A G G G G A A B B G G F F C C C C F
CEILING None None None None None 600 800 1800 1800
STA PRES 28.02 28.02 28.07 28.04 28.09 28.11 28.14 28.11
Date 10/29Fri 10/30/26Sat 10/31/26Sun 11/01/26Mon 11/02/26
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 73 48 76 53 70 54 66 55 69
TEMP 72 60 52 49 74 63 56 53 68 60 56 54 64 59 57 56 66 61
DEWPT 48 50 46 44 52 49 48 47 54 50 49 50 56 54 53 53 60 56
RH 42 69 80 83 46 60 74 80 61 69 77 86 75 83 86 90 81 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 0 20 40 40 30
RAIN SHWRS IS SC SC SC SC IS 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