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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Mon Oct 5 2026
VAZ024-052000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 AM EDT Mon Oct 5 2026
Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26
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 79 44 72 43 80
TEMP 57 55 69 78 78 63 54 49 46 45 63 71 71 58 51 48 45 45 66 78 79 68
DEWPT 55 53 53 48 45 44 44 43 42 41 43 43 44 45 45 46 43 43 47 50 51 52
MAX/MIN RH 31 88 36 98 36
RH 93 93 57 35 31 50 69 80 86 86 48 36 38 62 80 93 93 93 50 37 38 57
WIND DIR N N NW N NW NW N N NW N N S S SE N N N N SW SW SW S
WIND SPD 0 0 2 3 4 3 2 1 1 1 0 2 3 1 0 0 0 0 1 3 3 2
CLOUDS B2 SC SC FW CL FW CL CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%) 79 37 29 10 3 6 5 5 21 11 4 4 5 2 4 3 2 2 1 3 2 4
VSBY 8 5 7 10 10 8 9 10 10 10 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 0
Obvis PF
MIX HGT <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NW NW NW NW NW NW NW NW N N NE N S SE SE W NW NW SW W W S
T WIND SPD 3 4 6 12 12 5 4 3 3 2 3 1 3 3 2 1 2 2 8 6 8 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 4 19 66 54 3 2 2 2 2 12 6 15 2 1 1 1 2 20 30 39 2
MAX LVORI 7 6 2 1 1 2 3 5 6 6 2 2 2 3 5 8 7 6 2 2 1 3
STABILITY F A B B B G G G G A A B B G G G G A A B B G
CEILING None None None None None None None None None None
STA PRES 28.61 28.57 28.63 28.64 28.66 28.58 28.58 28.56 28.53 28.45
Date Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 48 83 48 80 49 77 49 73
TEMP 54 50 82 70 55 49 78 68 55 51 76 67 54 51 71 65
DEWPT 52 49 52 51 50 47 49 51 50 47 50 51 50 48 52 54
RH 93 96 35 51 83 93 36 54 83 86 40 56 86 89 51 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL CL FW FW SC SC B1 B1 B1 B1 B2
POP 12HR 0 0 0 0 0 5 20 30
RAIN SHWRS IS SC SC
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