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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 9 2026
VAZ046-100800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Fri Oct 9 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 56 65 59 71 62
TEMP 59 57 56 56 63 65 65 60 60 60 61 62 66 69 71 68 65 64 62 62
DEWPT 52 51 50 50 53 55 55 58 59 60 61 62 66 69 71 67 65 64 62 62
MIN/MAX RH 82 67 100 98 100
RH 78 80 80 80 70 70 70 93 96100100100100100100 97100100100100
WIND DIR E NE NE NE NE E E E NE NE NE NE E E E SW SW SW W W
WIND SPD 1 2 4 5 8 9 9 9 10 11 13 12 10 8 8 6 6 6 9 8
WIND GUST 19 21 21 23 25
CLOUDS B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV B1 B1 B1 B1 SC
CLOUDS(%) 83 83 85 87 93 85 95 94 93 99100100100 90 90 69 60 54 56 33
VSBY 10 10 10 10 10 10 8 10 7 4 4 3 2 4 7 7 7 10 10
POP 12HR 0 40 100 100 30
RAIN S C C D D
RAIN SHWRS O O O O SC SC
TSTMS IS IS
MIX HGT <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 1 1 2 <1
T WIND DIR E NE NE NE NE E E E E E E E SE SE SE SW
T WIND SPD 3 3 4 5 9 17 18 14 11 8 9 10 11 6 6 6
DISPERSION VP VP VP PR FR FR FR PR PR PR PR
ADI 2 2 3 4 17 38 46 13 10 7 8 11 15 9 11 5
MAX LVORI 4 5 5 4 3 3 3 5 7 8 8 7 5 8 7 9
STABILITY F F E C C D C D D D D D D D D E
CEILING 23900 19500 11200 7700 2300 400 400 1100 5700
STA PRES 29.58 29.62 29.68 29.65 29.63 29.51 29.42 29.25
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 79 58 82 60 75 53 69 55 71
TEMP 77 68 60 59 79 72 63 60 72 65 56 54 66 62 56 55 68 64
DEWPT 66 65 60 59 67 66 62 58 60 60 56 54 56 57 56 55 59 59
RH 69 90100100 67 81 97 93 66 84100100 70 84100100 73 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW FW SC SC SC SC B1 SC SC
POP 12HR 5 0 0 10 5 10 5 10 20
RAIN SHWRS 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