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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Jul 1 2026
NCZ003-012000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
401 AM EDT Wed Jul 1 2026
Date Wed 07/01/26 Thu 07/02/26 Fri 07/03/26
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 94 71 97 72 96
TEMP 70 74 86 92 94 87 77 73 71 76 90 95 97 92 79 74 72 76 91 94 95 88
DEWPT 69 71 73 70 68 70 70 68 67 69 71 68 67 70 68 66 66 69 70 66 65 68
MAX/MIN RH 43 87 38 81 36
RH 97 90 65 49 43 57 79 84 87 79 54 42 38 49 69 76 81 79 50 40 37 52
WIND DIR N N N E SE N N N N NW N E E N N N N N E SE SE N
WIND SPD 0 0 1 2 2 0 0 0 0 1 2 4 4 0 0 0 0 0 1 4 3 0
CLOUDS SC FW FW FW FW FW FW CL CL FW CL FW FW SC FW FW FW FW FW FW FW FW
CLOUDS(%) 42 17 15 14 7 13 9 3 5 12 2 11 9 26 16 14 12 22 9 19 19 19
VSBY 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 10
POP 12HR 5 0 0 0 5
MIX HGT <1 <1 4 6 7 <1 <1 <1 <1 <1 3 7 7 <1 <1 <1 <1 <1 4 8 9 <1
T WIND DIR NW NW N N N S W NW NW N N NE NE NW NW NW N N NE E NE SW
T WIND SPD 1 2 10 5 4 3 2 4 4 4 10 8 6 1 3 4 5 8 9 3 1 2
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 1 2 54 43 37 2 1 2 2 4 44 65 55 1 2 2 3 8 52 32 11 1
MAX LVORI 10 6 1 1 1 3 4 5 6 4 1 1 1 2 3 4 5 4 1 1 2 2
STABILITY F A A A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 28.25 28.20 28.20 28.21 28.25 28.22 28.22 28.22 28.25 28.20
Date Sat 07/04/26Sun 07/05/26Mon 07/06/26Tue 07/07/26
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 70 97 70 96 69 93 68 89
TEMP 73 77 96 91 73 75 94 85 72 74 91 82 71 72 86 82
DEWPT 65 67 64 64 65 67 64 67 67 69 69 71 68 70 69 70
RH 76 71 35 41 76 76 37 55 84 84 49 69 90 93 57 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW SC FW FW B1 B1 SC SC B2 B1 SC B1 B2
POP 12HR 5 10 10 40 40 70 30 70
RAIN SHWRS SC SC IS NM SC SC NM
TSTMS SC SC IS NM 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