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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Sat Oct 10 2026
VAZ024-110800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 AM EDT Sat Oct 10 2026
Date 10/09/26 Sat 10/10/26 Sun 10/11/26 Mon
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 54 65 56 69 60
TEMP 54 54 62 64 63 60 57 58 59 60 64 67 69 66 63 62 62 61
DEWPT 46 46 49 52 55 57 57 58 59 59 63 66 66 65 63 62 61 60
MIN/MAX RH 76 63 100 92 100
RH 74 74 62 65 75 90100100100 96 97 97 90 97100100 97 97
WIND DIR N NE E E NE NE E E E NE E E S W W W W NW
WIND SPD 1 2 3 5 5 6 6 5 6 5 4 4 3 3 3 3 5 6
WIND GUST 16 17 23 25 23 23 21 16 14 17 21 23
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC FW
CLOUDS(%) 86 85 88 92 89 90 97 96 99 91 89 86 86 53 59 55 43 25
VSBY 10 10 10 10 5 4 4 3 2 3 2 2 2 6 6 10 10
POP 12HR 0 60 100 100 30
RAIN SHWRS IS SC O O O O O O SC O SC SC
TSTMS IS IS IS
MIX HGT <1 <1 2 2 1 1 <1 <1 <1 <1 1 1 <1 <1
T WIND DIR NE NE E E E E E E E E E SE SE SW
T WIND SPD 4 4 12 20 16 9 11 8 9 5 5 10 4 13
DISPERSION VP PR PR PR PR VP VP VP PR
ADI 2 4 31 44 24 6 8 5 6 7 8 15 5 6
MAX LVORI 5 4 1 1 3 5 8 9 8 8 8 5 7 6
STABILITY F A B D D E E E E D D D C F
CEILING 20900 13200 2800 1600 300 200 1500 None
STA PRES 28.82 28.86 28.83 28.81 28.70 28.61 28.45
Date 10/12Tue 10/13/26Wed 10/14/26Thu 10/15/26Fri 10/16/26
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 80 54 86 58 80 54 73 52 74
TEMP 78 69 57 55 83 74 63 59 78 69 58 54 71 65 56 53 71 65
DEWPT 63 61 57 55 64 64 61 58 60 59 56 53 57 57 54 52 57 56
RH 60 76100100 53 71 93 96 54 70 93 96 61 75 93 96 61 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B1
POP 12HR 0 0 0 5 10 5 10 10 30
RAIN SHWRS 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