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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Oct 26 2026
NCZ019-262000-
RAWS 312001
36.23N 81.32W Elev. 2380 ft
801 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 69 47 69 48 65
TEMP 58 67 67 56 52 49 48 47 62 68 67 56 53 51 49 49 59 64 63 56
DEWPT 44 43 43 44 42 41 39 38 44 46 47 45 44 44 44 45 49 50 50 48
MAX/MIN RH 40 73 44 86 59
RH 59 42 42 64 69 74 71 71 52 45 49 66 71 77 83 86 69 60 62 74
WIND DIR N SE SE N N N N N N E E N N N N N E SE SE N
WIND SPD 0 1 1 1 1 1 1 1 0 3 2 0 0 0 0 0 1 2 2 0
CLOUDS FW CL CL FW FW FW FW CL FW FW FW FW FW SC SC B1 B1 B1 B1 B1
CLOUDS(%) 7 2 2 19 17 24 11 5 7 10 9 23 19 29 45 55 57 63 53 56
VSBY 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 3 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW N N NW NW NW NW N E E E NE N E E E E SE SE E
T WIND SPD 1 5 3 1 4 4 4 4 6 3 3 2 2 3 5 6 6 4 4 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 20 9 1 2 2 2 4 14 13 11 1 1 2 3 5 17 15 14 2
MAX LVORI 3 2 2 4 3 3 3 3 2 2 2 3 3 4 5 5 3 2 2 4
STABILITY A A A G G G G A A B B G G G F C C C C F
CEILING None None None None None None None None 1400 None
STA PRES 28.22 28.14 28.13 28.13 28.17 28.15 28.20 28.22 28.27 28.22
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 50 69 49 73 54 69 55 66
TEMP 53 51 69 59 52 50 72 62 56 54 67 62 57 55 64 61
DEWPT 48 48 54 51 47 45 51 50 48 47 55 53 51 51 57 55
RH 83 89 59 75 83 83 48 65 74 77 65 72 80 86 78 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW CL FW FW FW SC B1 B1 B1 B1 B1 B2 B2
POP 12HR 0 0 0 0 0 5 30 50
RAIN SHWRS SC 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