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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Sep 30 2026
VAZ018-302000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Wed Sep 30 2026
Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26
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 83 59 86 61 87
TEMP 71 81 81 67 63 62 60 59 77 84 84 69 65 65 63 63 80 86 82 70
DEWPT 59 56 54 55 54 54 53 52 57 55 54 55 55 55 55 55 62 63 64 64
MAX/MIN RH 37 78 34 77 47
RH 66 42 39 65 72 75 78 78 50 37 36 61 70 70 75 75 54 46 55 81
WIND DIR SW SW W NW W W W W W W SW SW SW SW W W W W W W
WIND SPD 2 3 2 1 2 3 2 2 3 3 3 1 3 4 4 4 5 6 6 3
WIND GUST 14 14 14 18 19 18 13
CLOUDS FW SC SC B1 SC SC FW SC FW FW FW FW SC FW FW SC SC SC B1 B2
CLOUDS(%) 16 47 35 52 50 47 24 26 18 17 24 22 27 21 25 29 34 43 61 73
VSBY 10 10 10 10 9 8 6 9 8 10 9 10 10 10 10 10 10 10 10 7
POP 12HR 0 0 0 0 20
RAIN SHWRS IS IS IS
TSTMS IS
MIX HGT 2 5 5 <1 <1 <1 <1 <1 3 6 6 <1 <1 <1 <1 <1 4 6 4 <1
T WIND DIR SW SW SW S S SW W W W W SW S SW SW W W W W SW W
T WIND SPD 9 6 5 5 4 3 4 3 13 9 9 4 5 5 4 5 23 23 19 16
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 27 39 32 3 2 2 2 4 53 58 62 2 3 3 2 6103153 57 7
MAX LVORI 3 1 1 3 3 4 4 4 1 1 1 3 3 3 4 4 1 1 1 4
STABILITY B B B F F F G B B B B G G F F B B B D F
CEILING None None None None None None None None None 3700
STA PRES 27.90 27.88 27.89 27.88 27.92 27.86 27.87 27.84 27.84 27.77
Date Sat 10/03/26Sun 10/04/26Mon 10/05/26Tue 10/06/26
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 64 72 55 67 52 70 41 64
TEMP 68 64 70 61 58 56 64 59 56 52 68 57 47 42 62 52
DEWPT 64 62 62 56 53 52 60 56 54 49 48 43 40 36 40 38
RH 87 93 76 84 83 86 87 90 93 89 49 59 76 79 44 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 OV B2 B2 OV OV B2 B2 B1 SC FW FW FW FW FW
POP 12HR 60 80 70 70 20 0 0 0
RAIN SHWRS IS NM O O NM NM NM SC IS
TSTMS IS IS 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