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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Sep 30 2026
VAZ046-010800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 PM EDT Wed Sep 30 2026
Date 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat
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 59 87 63 91 63
TEMP 81 71 67 64 61 61 76 85 85 74 69 66 64 63 80 89 90 80 73 70 67 63
DEWPT 60 59 59 57 56 58 60 60 59 59 59 59 58 59 63 64 63 65 66 66 62 58
MIN/MAX RH 91 42 87 40 88
RH 49 66 75 78 84 90 58 43 41 59 70 78 81 87 56 44 41 60 79 87 84 84
WIND DIR S S S S SW SW SW SW SW S SW SW SW SW SW SW SW W W N NE NE
WIND SPD 4 2 3 2 3 3 5 8 5 5 5 5 5 6 8 8 8 5 4 4 11 12
CLOUDS B1 SC SC SC FW FW FW FW FW FW FW FW SC FW FW SC SC B1 B2 B2 OV B2
CLOUDS(%) 59 41 42 46 19 10 19 9 10 16 16 13 29 13 17 30 37 61 79 82 88 82
VSBY 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 30
RAIN SHWRS IS IS SC SC SC
MIX HGT 5 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 2 6 6 <1
T WIND DIR SW S S S SW SW SW SW SW S SW SW SW SW W W SW SW
T WIND SPD 6 3 2 3 3 3 13 9 11 4 5 5 5 5 16 17 16 4
DISPERSION VP VP VP VP PR PR PR PR PR VP VP FR
ADI 21 2 1 2 2 4 38 56 68 2 3 3 3 6 41112103 3
MAX LVORI 2 3 3 4 5 6 1 1 1 3 3 4 5 5 1 1 1 3
STABILITY D F F F G B B B B F F F F B B B B E
CEILING None None None None None None None None None 4200
STA PRES 29.37 29.40 29.38 29.41 29.34 29.36 29.32 29.30 29.22
Date 10/03Sun 10/04/26Mon 10/05/26Tue 10/06/26Wed 10/07/26
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 66 56 67 55 74 48 64 42 66
TEMP 66 62 58 56 63 63 58 56 71 65 54 48 61 55 45 43 64 57
DEWPT 55 55 56 56 60 61 58 56 60 55 47 42 42 42 40 40 45 46
RH 68 78 93100 90 93100100 68 70 77 80 49 61 82 89 50 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV B2 OV B2 B2 B2 B1 SC SC SC SC CL FW CL FW FW FW
POP 12HR 60 60 60 30 10 0 0 0 0
RAIN L L L
RAIN SHWRS SC SC SC SC 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