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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Wed Jul 1 2026
VAZ046-020800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
431 PM EDT Wed Jul 1 2026
Date 07/01/26 Thu 07/02/26 Fri 07/03/26 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 73 101 75 102 75
TEMP 98 91 81 77 74 78 93 99101 93 82 78 76 78 95101101 90 80 76 75 79
DEWPT 69 72 71 70 69 70 72 69 66 70 69 69 68 70 70 69 65 68 68 67 66 68
MIN/MAX RH 84 33 78 32 74
RH 39 54 72 79 84 76 51 38 32 47 65 74 76 76 45 36 31 49 67 74 74 69
WIND DIR W S S S SW NW E E E SW S SW SW W NE SE S S W W W W
WIND SPD 3 4 5 4 3 2 2 4 3 2 3 3 3 2 3 3 3 3 3 3 2 2
CLOUDS CL FW FW CL CL CL CL FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 2 6 6 1 3 2 2 6 1 2 14 15 11 9 6 15 8 22 20 17 14 11
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 5
MIX HGT 7 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 4 8 9 <1
T WIND DIR W SW S S SE SW NE N N N SW W W NE NE W W W
T WIND SPD 3 3 3 2 1 1 3 2 1 0 2 2 2 11 4 3 5 8
DISPERSION VP PR VP VP VP VP VP VP VP VP VP VP
ADI 30 2 2 1 1 1 19 20 10 0 1 1 1 11 23 31 61 4
MAX LVORI 2 2 3 4 6 4 2 2 2 2 3 3 4 4 2 1 1 2
STABILITY A F F F G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 29.31 29.35 29.40 29.34 29.34 29.36 29.37 29.30
Date 07/04Sun 07/05/26Mon 07/06/26Tue 07/07/26Wed 07/08/26
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 103 73 100 72 98 71 93 69 91
TEMP 102 89 75 77100 88 74 76 97 86 74 75 92 83 72 73 90 83
DEWPT 67 69 69 70 68 69 69 70 69 71 70 70 70 70 69 69 69 68
RH 32 52 82 79 36 54 84 82 40 61 87 84 49 65 90 87 50 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 SC FW B1 B1 SC SC B2 B1 B1 B1 B1 B1 SC B1 B1
POP 12HR 20 30 30 40 60 40 50 40 30
RAIN SHWRS IS SC SC SC NM SC IS SC SC IS IS SC
TSTMS IS IS SC SC SC SC SC 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