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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Jul 7 2026
VAZ018-080800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 PM EDT Tue Jul 7 2026
Date 07/07/26 Wed 07/08/26 Thu 07/09/26 Fri
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 68 85 68 86 67
TEMP 81 74 72 71 69 70 80 84 81 74 71 71 69 70 81 85 82 74 71 69 68 70
DEWPT 73 72 69 68 68 69 73 74 73 72 69 68 67 69 72 72 72 69 67 66 66 67
MIN/MAX RH 98 72 97 66 94
RH 77 93 90 90 97 97 79 72 77 93 93 90 93 97 74 65 72 84 87 90 93 90
WIND DIR NW N N N N NW N SE SE SE N N W W W W W W W W W W
WIND SPD 2 1 0 0 0 1 1 2 2 1 0 0 1 2 4 5 5 4 3 4 4 5
WIND GUST 14 16 18 18 14 17 20 23
CLOUDS B2 B1 SC SC SC SC SC B2 B2 B1 SC B1 B1 B1 SC OV OV SC FW FW SC SC
CLOUDS(%) 81 53 29 39 49 35 45 73 70 61 37 69 56 57 40 90 90 37 17 11 28 37
VSBY 10 10 9 6 5 5 10 10 10 10 6 3 2 5 10 10 10 10 10 8 5 10
POP 12HR 30 80 60 90 5
RAIN SHWRS NM SC IS NM NM SC IS SC SC IS IS O O IS
TSTMS NM SC IS NM NM SC IS IS IS SC SC
MIX HGT 3 <1 <1 <1 <1 <1 3 3 2 <1 <1 <1 <1 <1 3 5 4 1
T WIND DIR S N SE E N SW NW W S SE S N N W NW W W W
T WIND SPD 2 0 2 1 0 2 4 1 2 8 2 0 0 2 10 11 14 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 0 1 1 0 2 18 5 7 4 1 0 0 2 46 47 54 4
MAX LVORI 4 8 7 8 9 8 3 3 4 6 7 8 8 8 3 1 3 5
STABILITY B F G G F A A B B F G F F B A C C F
CEILING 2300 None None None 2400 1100 None None 3100 None
STA PRES 27.79 27.81 27.83 27.85 27.81 27.80 27.78 27.78 27.75
Date 07/10Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
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 87 68 82 66 80 65 83 64 88
TEMP 84 76 71 70 80 74 68 68 79 73 68 67 81 75 67 67 85 78
DEWPT 71 69 68 68 71 69 66 66 69 67 64 64 67 67 62 63 66 66
RH 65 79 90 93 74 84 93 93 72 81 87 90 63 76 84 87 53 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B1 B1 B2 B2 B1 B1 B2 B2 B2 B1 B1 B1 SC FW FW FW
POP 12HR 60 40 70 50 60 40 30 20 10
RAIN SHWRS IS NM SC SC NM NM SC SC SC NM SC IS SC SC IS
TSTMS IS SC SC IS SC SC SC IS SC IS
$$
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