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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Fri Jul 3 2026
VAZ024-032000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1131 AM EDT Fri Jul 3 2026
Date Fri 07/03/26 Sat 07/04/26 Sun 07/05/26
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 98 73 104 70 100
TEMP 97 97 89 78 75 73 77 96102100 88 77 73 71 75 93 99 96 85
DEWPT 68 67 70 68 67 67 70 71 68 69 69 70 69 68 70 71 68 68 69
MAX/MIN RH 37 85 33 94 36
RH 39 38 54 71 76 81 79 45 34 37 54 79 87 90 84 49 37 40 59
WIND DIR S S S N N N N N SW SW W NW N N N N S SW N
WIND SPD 1 2 1 0 0 0 0 0 3 4 2 1 0 0 0 0 3 4 2
CLOUDS FW FW FW SC FW FW FW FW SC B1 B1 B1 SC SC FW FW B2 B2 B1
CLOUDS(%) 7 14 14 30 16 12 20 24 39 55 52 52 32 31 23 16 71 71 65
VSBY 10 10 10 10 9 7 10 10 6 6 7 7 10 10 8 10 10 10 10
POP 12HR 20 5 30 30 60
RAIN SHWRS IS IS SC SC SC NM NM SC
TSTMS IS IS SC SC IS SC SC SC
MIX HGT 6 7 <1 <1 <1 <1 <1 4 7 5 <1 <1 <1 <1 <1 4 9 6 <1
T WIND DIR SW W W W NW NW NW SW W W SW W NW NW NW W SW SW W
T WIND SPD 4 5 2 3 4 4 2 3 4 3 1 5 3 3 3 4 10 4 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 36 49 1 2 2 2 2 16 39 21 1 3 2 2 3 22 93 21 5
MAX LVORI 1 1 2 3 5 5 5 2 1 2 2 4 6 7 6 2 1 2 3
STABILITY A A G G G G A A A A F F G G A A B C F
CEILING None None None None None None None None 5900
STA PRES 28.54 28.54 28.53 28.55 28.48 28.47 28.47 28.46 28.41
Date Mon 07/06/26Tue 07/07/26Wed 07/08/26Thu 07/09/26
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 96 68 93 67 92 67 92
TEMP 72 73 94 82 71 72 91 82 70 71 89 83 70 71 90 84
DEWPT 70 71 71 71 70 70 70 70 68 68 69 69 67 68 69 70
RH 93 93 47 69 97 93 50 67 93 90 52 63 90 90 50 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC B1
POP 12HR 50 70 50 50 40 50 30 50
RAIN SHWRS SC IS NM SC IS SC SC IS SC SC IS SC
TSTMS SC IS SC SC SC IS 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