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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Wed Jul 8 2026
VAZ018-082000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Wed Jul 8 2026
Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26
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 86 68 85 67 86
TEMP 83 80 74 71 71 70 70 79 82 82 74 71 69 68 71 80 85 83 74
DEWPT 70 70 70 69 68 67 68 68 68 67 67 66 66 65 67 70 71 70 69
MAX/MIN RH 62 95 59 94 63
RH 65 72 87 93 90 90 93 69 63 61 79 84 90 90 87 72 63 65 84
WIND DIR S S SW N N W W W W W W W W W W W W W W
WIND SPD 2 2 1 0 0 1 2 4 5 6 4 4 4 4 4 6 6 6 4
WIND GUST 14 17 19 18 17 18 18 20 20 20 20 20
CLOUDS B1 B1 B2 B1 SC SC SC SC B2 B1 SC FW FW FW B1 B1 B2 B2 B2
CLOUDS(%) 55 56 72 51 32 49 31 32 70 67 32 13 22 21 51 51 78 78 72
VSBY 10 10 10 8 7 6 6 10 10 10 10 9 7 7 10 7 8 10 9
POP 12HR 90 40 60 10 70
RAIN SHWRS SC O SC SC IS IS NM SC SC SC NM NM SC
TSTMS SC NM SC IS IS SC SC IS SC SC IS
MIX HGT 5 2 <1 <1 <1 <1 1 3 5 4 1 <1 <1 <1 1 3 4 4 1
T WIND DIR S S S E SE SW W W W W W W NW NW W W W SW W
T WIND SPD 3 4 5 2 2 1 4 13 14 17 16 11 11 4 5 14 16 14 14
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 19 12 3 1 1 1 6 52 59 64 7 5 5 2 8 50 72 57 10
MAX LVORI 2 3 6 7 7 7 5 3 1 1 4 5 6 6 5 3 1 1 4
STABILITY B B F F G F A A C C F F F F C B B C E
CEILING 3200 None None None 3100 None None 21300 12100
STA PRES 27.80 27.78 27.76 27.76 27.74 27.76 27.77 27.78 27.74
Date Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
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 67 82 65 81 63 81 63 87
TEMP 70 70 81 72 68 68 80 72 66 66 79 73 65 66 85 78
DEWPT 67 67 72 69 66 66 68 66 62 63 65 65 61 61 64 66
RH 90 90 74 90 93 93 67 81 87 90 62 76 87 84 50 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC FW FW FW
POP 12HR 30 70 50 60 30 30 10 5
RAIN SHWRS SC SC NM NM SC SC SC NM SC IS SC SC
TSTMS IS IS IS SC IS IS SC IS 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