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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 2 2026
VAZ046-030800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 PM EDT Fri Oct 2 2026
Date 10/02/26 Sat 10/03/26 Sun 10/04/26 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 61 62 56 64 58
TEMP 74 71 68 62 61 61 61 59 58 58 58 58 62 64 64 64 62 61 60 59
DEWPT 66 66 63 60 57 57 55 56 58 58 58 58 62 63 63 63 61 60 60 59
MIN/MAX RH 93 83 100 96 100
RH 76 84 84 93 87 87 81 90100100100100100 97 97 97 97 97100100
WIND DIR W NE NE NE NE NE NE NE NE NE NE N NE N N N NW W NW N
WIND SPD 2 6 11 12 10 9 8 4 3 3 4 4 4 3 2 1 1 1 2 3
CLOUDS B1 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2
CLOUDS(%) 61 71 89 87 93 91 95 93 92 91 95 96 96 93 95 92 93 92 92 81
VSBY 10 10 10 8 7 8 6 8 6 5 3 3 3 3 3 7 7 10 10
POP 12HR 40 60 80 90 20
RAIN SHWRS SC SC SC NM NM SC SC SC O O O O NM NM IS IS
MIX HGT <1 <1 1 1 2 2 1 <1 <1 <1 <1 <1 1 1 1 <1
T WIND DIR SW NE NE NE NE NE N NE NE NE N N N N N N
T WIND SPD 4 5 20 21 17 14 13 11 11 10 10 11 9 6 6 5
DISPERSION VP PR FR VP VP VP VP VP VP VP VP
ADI 2 4 23 34 31 27 22 8 5 5 7 13 13 10 11 3
MAX LVORI 5 6 5 4 4 4 4 5 9 9 8 5 5 7 7 9
STABILITY F E D D D D D E F F E D D C C F
CEILING 22700 2100 500 500 500 500 500 400 1200
STA PRES 29.31 29.40 29.50 29.49 29.50 29.45 29.44 29.38
Date 10/05Tue 10/06/26Wed 10/07/26Thu 10/08/26Fri 10/09/26
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 74 48 64 43 67 46 74 49 76
TEMP 74 66 54 49 63 55 45 44 66 57 48 47 72 63 52 50 74 65
DEWPT 62 58 48 42 43 43 41 41 46 47 45 45 52 52 50 49 53 53
RH 66 75 80 77 48 64 86 89 48 69 89 93 49 67 93 96 48 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
$$
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