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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Fri Oct 9 2026
VAZ046-092000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
401 AM EDT Fri Oct 9 2026
Date Fri 10/09/26 Sat 10/10/26 Sun 10/11/26
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 77 56 69 59 70
TEMP 54 53 68 74 74 64 61 58 57 57 62 65 64 61 60 60 61 62 65 68 69 67
DEWPT 46 46 49 46 47 52 51 50 49 49 52 53 55 58 59 60 61 62 65 67 69 66
MAX/MIN RH 35 78 64 100 95
RH 74 77 51 37 38 65 70 75 75 75 70 65 73 90 96100100100100 97100 97
WIND DIR NW NW N N E E E NE NE NE NE NE E NE NE NE NE NE NE E E S
WIND SPD 2 3 2 2 3 1 1 2 4 5 6 9 10 11 10 12 13 12 10 9 6 6
WIND GUST 24 23 25 25 23 17
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B1
CLOUDS(%) 87 87 75 74 79 80 81 88 85 85 87 85 94 93 94 98 98100100 95 95 69
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 5 10 10 10 10 10
POP 12HR 0 0 50 100 100
RAIN L L D D D D D
RAIN SHWRS SC O SC
TSTMS IS IS
MIX HGT <1 <1 2 4 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 <1 1 1 <1
T WIND DIR W W NW N N NE NE NE NE NE E E E E E E E E E E S S
T WIND SPD 2 2 4 3 2 2 3 3 3 4 9 17 14 10 10 14 12 11 5 4 8 3
DISPERSION VP VP VP VP VP FR FR FR FR PR
ADI 1 2 10 17 9 1 1 2 2 5 17 52 36 9 9 13 11 14 7 6 12 2
MAX LVORI 3 4 2 2 2 3 3 4 4 4 3 1 3 5 6 5 7 5 8 8 7 8
STABILITY F B B B B F F F E B C C C D D D D D D D D E
CEILING 30500 28500 23500 19500 14100 9100 1500 500 400 200
STA PRES 29.51 29.50 29.54 29.62 29.67 29.63 29.62 29.47 29.35 29.21
Date Mon 10/12/26Tue 10/13/26Wed 10/14/26Thu 10/15/26
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 61 79 58 81 59 76 55 71
TEMP 64 62 75 69 60 59 78 71 62 59 73 67 58 55 68 63
DEWPT 64 62 66 65 60 59 65 64 60 57 60 60 56 53 56 58
RH 100100 74 87100100 64 79 93 93 64 78 93 93 65 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 40 10 0 0 5 5 5 5
RAIN SHWRS SC IS
TSTMS 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