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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Wed Sep 30 2026
VAZ018-010800-
RAWS 444002
37.56N 80.18W Elev. 2702 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 55 85 62 87 63
TEMP 65 62 59 57 57 74 83 82 69 65 65 63 62 79 86 83 71 68 68 67 63
DEWPT 53 52 52 52 52 56 55 55 56 56 56 55 55 63 65 64 65 65 65 62 61
MIN/MAX RH 86 37 79 49 94
RH 65 70 78 83 83 53 38 40 63 73 73 75 78 58 50 53 81 90 90 84 93
WIND DIR NW W W W W W W W W W W W W W W W NW W NW N NE
WIND SPD 1 2 2 4 3 2 4 4 1 4 4 4 4 5 6 6 3 3 2 1 2
WIND GUST 14 14 17 18 18 14
CLOUDS B1 B1 SC FW FW FW FW FW FW FW SC FW SC FW SC B1 B2 B2 B2 B2 OV
CLOUDS(%) 51 60 26 11 22 12 10 22 19 13 29 14 27 25 48 53 75 82 85 83 90
VSBY 10 8 7 4 5 9 10 9 10 10 10 10 10 10 10 10 7 10 10 10
POP 12HR 0 0 0 20 50
RAIN L
RAIN SHWRS IS IS SC SC SC SC
MIX HGT <1 <1 <1 <1 <1 3 5 6 <1 <1 <1 <1 <1 3 6 5 <1
T WIND DIR SE S SW W W W W S S SW SW W W W W W W
T WIND SPD 3 3 4 3 3 9 6 6 4 6 5 4 4 21 24 16 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 2 2 4 30 43 44 2 3 3 2 5 91151 48 2
MAX LVORI 3 3 4 5 6 2 1 1 3 3 3 4 4 1 1 1 5
STABILITY F F G F B B B B G F F F B B B D F
CEILING None None None None None None None 3100 2300
STA PRES 27.89 27.88 27.91 27.84 27.86 27.81 27.81 27.76
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 65 56 67 55 73 45 66 42 68
TEMP 65 61 59 56 64 60 59 55 71 60 51 45 63 53 46 43 65 55
DEWPT 58 56 53 52 60 58 57 54 56 48 45 40 42 41 39 37 45 44
RH 78 84 80 86 87 93 93 96 59 64 80 82 46 64 76 79 48 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 OV OV B2 B1 B1 B1 FW FW SC FW FW FW FW FW FW
POP 12HR 70 60 50 20 5 0 0 0 0
RAIN 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