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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EDT Wed Jul 15 2026
VAZ046-152000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
701 AM EDT Wed Jul 15 2026
Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26
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 97 71 99 74 96
TEMP 71 87 94 97 89 78 74 71 76 91 97 97 91 80 79 76 78 89 94 94 88
DEWPT 64 67 65 65 66 65 65 65 67 72 68 67 69 68 67 67 65 65 65 66 67
MAX/MIN RH 35 85 36 73 37
RH 79 52 39 35 47 64 74 81 74 54 39 38 49 67 67 74 64 45 39 40 50
WIND DIR W NW SW SW SW SW W NW N NE SE S S S N N NE NE E E E
WIND SPD 2 2 3 4 3 4 3 3 2 4 3 3 2 2 2 5 6 6 5 4 3
CLOUDS CL CL FW CL CL FW FW FW SC SC B1 SC FW FW FW FW FW FW FW FW SC
CLOUDS(%) 1 2 7 4 2 11 22 22 29 34 59 44 23 24 23 16 8 9 15 21 45
VSBY 10 10 10 10 10 10 9 9 9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
RAIN SHWRS IS
TSTMS SC
MIX HGT <1 2 5 6 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 1 4 6 8 <1
T WIND DIR W N SW SW SW SW W W NW E S SW W W NW N NE NE E SE E
T WIND SPD 2 3 1 3 6 3 3 2 2 4 2 3 1 2 2 4 17 10 4 5 8
DISPERSION VP VP VP VP VP VP VP PR VP
ADI 2 11 7 24 3 2 2 1 2 21 16 29 1 1 1 2 31 47 35 53 4
MAX LVORI 4 2 2 2 2 3 3 5 3 2 2 2 2 3 3 3 1 1 1 1 2
STABILITY A A A A G F G G A A B A G G G F B B A A F
CEILING None None None None None None None None None None
STA PRES 29.35 29.27 29.27 29.27 29.29 29.22 29.24 29.28 29.34 29.27
Date Sat 07/18/26Sun 07/19/26Mon 07/20/26Tue 07/21/26
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 73 94 71 92 69 92 71 94
TEMP 75 76 93 84 74 74 90 85 72 72 90 86 74 74 91 85
DEWPT 69 71 72 73 72 72 72 72 69 69 69 68 68 70 72 70
RH 82 85 51 70 93 93 56 65 90 90 50 55 82 87 54 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B2 B1 SC B1 B1 SC SC SC SC SC SC SC B1
POP 12HR 20 70 40 30 30 10 10 40
RAIN SHWRS IS NM SC SC SC SC
TSTMS 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