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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Mon Oct 26 2026
NCZ003-262000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1101 AM EDT Mon Oct 26 2026
Date Mon 10/26/26 Tue 10/27/26 Wed 10/28/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 72 43 73 45 68
TEMP 69 71 56 50 48 45 44 65 70 71 57 52 50 46 47 61 66 68 59
DEWPT 43 43 47 45 43 41 41 47 48 49 48 47 47 46 47 53 53 53 53
MAX/MIN RH 34 89 43 100 59
RH 39 36 72 83 83 86 89 52 45 46 72 83 89100100 75 63 59 80
WIND DIR N NE N NW NW NW NW NE SE E N N N N N E SE SE N
WIND SPD 1 1 1 1 2 2 2 1 4 3 0 0 0 0 0 2 3 3 0
CLOUDS CL CL FW FW FW FW FW FW CL CL FW FW SC SC B1 B1 B1 B1 B1
CLOUDS(%) 2 1 10 22 19 21 9 10 4 4 15 23 32 45 60 57 63 60 58
VSBY 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N N NW NW NW N NW NE E E E NE E SE E SE SE SE SE
T WIND SPD 6 4 1 4 4 5 5 3 4 4 2 3 5 8 5 6 4 5 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 28 12 1 2 2 3 6 7 18 17 1 2 3 4 4 19 15 20 2
MAX LVORI 2 2 4 5 5 6 5 2 2 2 3 5 6 9 9 3 2 2 5
STABILITY A A G G G G B A B B G G G F C C C B F
CEILING None None None None None None None 1600 13500
STA PRES 28.35 28.34 28.34 28.38 28.36 28.41 28.44 28.48 28.43
Date Thu 10/29/26Fri 10/30/26Sat 10/31/26Sun 11/01/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 47 73 46 76 52 73 53 70
TEMP 52 48 70 61 51 48 74 64 55 53 71 63 56 54 66 63
DEWPT 50 48 56 55 50 47 53 54 50 49 57 57 53 52 59 59
RH 93100 61 81 96 96 48 70 83 86 61 81 90 93 78 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW CL FW FW FW SC B1 B2 B1 B1 B2 B2 B2
POP 12HR 0 0 0 0 5 5 20 40
RAIN SHWRS IS SC 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