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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Jul 8 2026
VAZ012-082000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM 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 62 83 62 84
TEMP 76 80 84 77 67 66 64 65 75 78 79 73 66 65 63 66 75 78 81 75
DEWPT 70 69 69 68 66 65 64 65 68 68 68 66 65 64 63 66 69 68 68 66
MAX/MIN RH 62 100 64 100 64
RH 82 69 61 74 97 97100100 79 71 69 79 97 97100100 82 71 65 74
WIND DIR W W W N N W W W W W W W W W W W W W W W
WIND SPD 1 2 1 0 0 1 2 3 3 4 3 2 2 3 3 3 4 4 4 3
CLOUDS B1 B2 B1 B1 SC SC SC B1 SC B1 B2 SC SC SC SC B1 B1 B2 B2 B1
CLOUDS(%) 53 82 67 52 43 36 42 53 35 63 80 28 28 30 39 53 53 85 85 67
VSBY 10 10 10 10 9 7 7 9 10 10 9 10 10 8 6 10 10 10 10 10
POP 12HR 40 20 70 20 80
RAIN SHWRS IS SC SC IS IS SC NM IS IS SC SC O O SC
TSTMS IS SC SC IS IS SC SC IS IS SC SC SC
MIX HGT 3 4 3 <1 <1 <1 <1 1 3 4 3 1 <1 <1 <1 1 3 4 2 <1
T WIND DIR NW NW W SE SE SW SW W W W W W SW W W W W W W W
T WIND SPD 6 6 1 2 6 4 3 10 14 13 13 10 3 6 6 11 21 33 21 17
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 28 33 4 1 3 2 2 15 59 51 43 5 2 3 3 15 67128 59 8
MAX LVORI 3 3 3 3 8 9 10 5 3 3 3 4 8 9 9 5 3 3 1 4
STABILITY B B B F F G F B A C B G G G G B C C C F
CEILING 1100 2500 None None None None None None 2000 1400
STA PRES 27.31 27.27 27.26 27.26 27.26 27.24 27.24 27.23 27.21 27.19
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 62 81 61 81 59 82 58 86
TEMP 65 65 76 72 63 64 75 73 63 62 77 73 61 61 81 76
DEWPT 65 65 68 66 63 64 66 64 61 62 63 63 59 61 62 63
RH 100100 76 81100100 74 73 93100 62 71 93100 53 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC FW SC SC
POP 12HR 50 80 30 70 40 50 10 10
RAIN SHWRS SC SC NM O SC IS SC NM SC IS IS SC
TSTMS SC IS IS SC SC 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