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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Jul 6 2026
NCZ001-062000-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
801 AM EDT Mon Jul 6 2026
Date Mon 07/06/26 Tue 07/07/26 Wed 07/08/26
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 76 63 73 63 77
TEMP 71 72 74 70 67 66 65 65 68 72 72 68 66 66 65 64 69 74 76 71
DEWPT 61 62 66 64 63 62 61 62 64 65 65 65 64 63 63 63 64 64 64 64
MAX/MIN RH 68 92 77 98 66
RH 71 71 76 81 87 87 87 90 87 79 79 90 93 90 93 97 84 71 66 79
WIND DIR W S SW W NW W SW W W W W NW NW NW NW NW W W W W
WIND SPD 3 3 3 4 4 4 5 6 5 5 5 8 8 8 8 9 5 5 4 4
CLOUDS SC B2 B2 B1 SC SC SC SC B1 B1 B2 SC SC SC SC B1 B1 B2 B2 SC
CLOUDS(%) 46 85 73 63 31 29 33 38 58 61 70 38 37 47 44 55 55 80 80 40
VSBY 10 6 6 7 10 10 10 10 7 7 4 7 7 10 10 7 7 6 6 7
POP 12HR 70 20 60 20 60
RAIN SHWRS NM SC IS SC SC SC IS IS SC SC NM NM IS
TSTMS NM SC IS SC SC SC IS IS SC SC IS
MIX HGT 3 4 2 <1 <1 <1 <1 <1 3 3 3 1 <1 <1 <1 <1 3 4 3 <1
T WIND DIR NW N SE SW S W NW NW W NW NW NW NW NW NW NW NW W W NW
T WIND SPD 2 0 2 5 1 3 4 4 9 6 5 5 5 3 4 6 4 4 6 6
DISPERSION VP VP VP PR PR PR PR PR VP
ADI 9 0 6 4 1 2 2 5 29 22 17 4 4 3 4 6 15 18 23 3
MAX LVORI 3 4 3 5 6 6 6 6 4 3 3 6 6 6 6 9 4 3 3 4
STABILITY A B B E F F F B C C C E E D D C C C C F
CEILING None 500 None None None 1000 None None 600 600
STA PRES 26.73 26.70 26.71 26.71 26.74 26.72 26.75 26.75 26.78 26.75
Date Thu 07/09/26Fri 07/10/26Sat 07/11/26Sun 07/12/26
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 64 78 64 75 65 74 63 75
TEMP 66 64 75 71 66 64 72 69 66 65 70 67 65 64 72 68
DEWPT 63 63 64 63 63 63 64 63 63 62 64 63 63 62 63 61
RH 90 97 69 76 90 97 76 81 90 90 81 87 93 93 73 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1
POP 12HR 20 50 20 40 30 60 40 50
RAIN SHWRS IS SC SC IS SC SC SC SC SC NM SC SC SC SC
TSTMS IS SC SC IS SC SC SC SC SC 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