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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Wed Sep 30 2026
VAZ024-010800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
501 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 58 89 60 91 63
TEMP 70 66 62 60 59 75 86 87 74 68 64 61 61 81 90 88 76 71 68 67 63
DEWPT 58 56 56 55 57 58 56 56 59 59 59 57 57 62 63 64 66 66 67 63 60
MIN/MAX RH 91 33 89 40 95
RH 66 70 81 84 93 55 36 35 59 73 84 87 87 53 41 45 71 84 97 87 90
WIND DIR N N N S N SW SW SW SW SW W W W W W W W W NW NE NE
WIND SPD 0 0 0 1 0 2 4 2 2 1 1 1 1 2 5 5 2 1 1 1 4
WIND GUST 16
CLOUDS B1 SC SC FW FW FW FW FW FW FW SC FW FW FW SC SC B2 B2 B2 B2 B2
CLOUDS(%) 52 47 31 11 17 11 12 12 19 23 38 18 24 18 44 42 75 78 83 83 82
VSBY 10 9 7 7 9 7 10 5 10 10 10 10 0 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 50
RAIN L
RAIN SHWRS IS IS SC SC
MIX HGT <1 <1 <1 <1 <1 2 5 4 <1 <1 <1 <1 <1 2 6 5 <1
T WIND DIR SE S SW W NW W SW SW S SW SW W W W W W W
T WIND SPD 3 2 3 2 2 6 8 9 5 5 3 2 2 14 20 16 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 2 1 2 16 49 43 3 3 2 1 2 44138 99 1
MAX LVORI 3 3 5 5 6 2 1 1 3 3 5 6 6 1 1 1 3
STABILITY F F G G A B B B G G G G A B B B F
CEILING None None None None None None None None 4100
STA PRES 28.61 28.59 28.62 28.55 28.57 28.52 28.51 28.45
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 67 55 70 54 78 45 68 41 70
TEMP 67 62 59 57 68 65 58 55 75 67 52 46 66 57 45 43 68 59
DEWPT 56 55 55 54 57 59 58 55 55 51 47 41 40 42 41 39 42 45
RH 68 78 87 90 68 81100100 50 56 83 83 38 57 86 86 39 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV OV B2 B2 B2 B1 B1 SC FW SC SC CL FW FW FW FW FW
POP 12HR 60 60 60 30 10 0 0 0 0
RAIN L L L
RAIN SHWRS SC SC SC SC
$$
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