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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Sat Jul 4 2026
VAZ018-042000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
301 AM EDT Sat Jul 4 2026
Date Sat 07/04/26 Sun 07/05/26 Mon 07/06/26
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 99 71 96 69 90
TEMP 72 77 94 99 90 82 76 73 71 75 90 95 89 78 74 71 70 72 84 89 85 76
DEWPT 66 69 71 67 68 68 66 66 66 68 70 68 70 70 69 68 67 69 71 72 73 72
MAX/MIN RH 36 84 41 92 57
RH 81 76 47 36 49 63 71 79 84 79 52 42 54 76 84 90 90 90 65 57 67 87
WIND DIR NW NW SE S W W NW W NW N SW S SW W NW N N N S SW SW W
WIND SPD 2 1 1 3 4 2 2 1 1 0 1 3 3 2 1 0 0 0 1 3 3 1
CLOUDS FW CL FW B1 B1 SC SC SC B1 FW CL B1 B2 B1 B1 SC B1 B1 B1 B2 B2 B2
CLOUDS(%) 12 4 8 55 53 50 40 47 52 21 4 53 82 54 53 48 56 66 61 86 86 73
VSBY 5 7 10 9 10 10 10 10 9 10 10 10 10 9 7 2 3 3 9 10 10 10
POP 12HR 40 30 70 30 80
RAIN SHWRS SC SC SC IS IS SC NM SC SC SC SC O O NM
TSTMS SC SC SC IS SC SC SC IS SC NM NM SC
MIX HGT <1 <1 5 6 3 <1 <1 <1 <1 <1 4 8 2 <1 <1 <1 <1 <1 3 4 2 <1
T WIND DIR NW NW NE SW S NW NW W NW W W SW S SW W N N SE SE S S NW
T WIND SPD 4 3 4 2 8 2 4 6 4 2 5 4 9 8 3 3 2 2 4 6 8 11
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 3 27 18 28 1 2 3 2 2 29 38 29 4 2 2 1 2 19 30 17 5
MAX LVORI 5 4 2 2 2 3 3 5 5 5 2 1 2 4 5 7 7 6 3 2 3 5
STABILITY G A A A C F G F F A A B B F F F F B B B B F
CEILING None None None None None 4000 None 1300 700 2800
STA PRES 27.86 27.79 27.78 27.77 27.79 27.74 27.76 27.79 27.82 27.78
Date Tue 07/07/26Wed 07/08/26Thu 07/09/26Fri 07/10/26
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 69 87 68 87 67 89 69 90
TEMP 70 71 86 77 70 70 85 78 70 71 86 79 71 72 87 79
DEWPT 68 69 71 70 67 67 69 69 66 67 69 69 66 67 69 69
RH 93 93 61 79 90 90 59 74 87 87 57 72 84 84 55 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC SC B1
POP 12HR 60 70 30 40 20 40 20 40
RAIN SHWRS NM IS SC NM SC IS SC IS IS SC IS SC
TSTMS SC SC IS 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