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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EDT Wed Jul 29 2026
NCZ003-292000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
701 AM EDT Wed Jul 29 2026
Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26
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 82 61 82 61 85
TEMP 70 77 81 81 74 68 65 63 64 74 80 82 76 68 64 61 65 77 82 84 78
DEWPT 66 67 65 64 63 62 60 59 60 61 60 62 62 59 57 56 60 64 64 65 68
MAX/MIN RH 57 87 51 88 52
RH 87 71 58 56 69 81 84 87 87 64 51 51 62 73 78 84 84 64 55 53 71
WIND DIR NW NW NW NW NW NW NW NW NW N NW NW NW NW NW NW NW N S SE N
WIND SPD 6 9 9 9 6 4 4 6 6 8 5 5 4 4 3 3 3 0 2 2 0
WIND GUST 17 14 17 18 19 14
CLOUDS FW FW CL CL CL CL FW CL CL CL CL CL CL CL CL CL CL FW FW FW FW
CLOUDS(%) 10 6 3 2 2 4 10 2 4 3 4 1 2 5 4 2 4 13 17 17 25
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 3 5 5 <1 <1 <1 <1 1 3 5 6 <1 <1 <1 <1 <1 4 6 5 <1
T WIND DIR NW NW NW NW NW N N N NW N NW NW N N N N N N N N S
T WIND SPD 14 21 19 20 14 9 5 8 10 13 12 13 12 8 5 5 6 5 2 3 1
DISPERSION PR VP VP PR VP VP VP VP VP
ADI 25 89111114 7 4 3 4 14 55 81 96 6 4 3 3 7 27 16 22 1
MAX LVORI 4 3 1 1 3 4 5 6 4 1 1 1 3 3 5 5 5 2 2 2 4
STABILITY B B B B F F F F B B A A F F G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.93 27.94 28.00 28.02 28.05 28.04 28.09 28.10 28.11 28.07
Date Sat 08/01/26Sun 08/02/26Mon 08/03/26Tue 08/04/26
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 65 81 66 78 66 79 67 81
TEMP 67 68 80 76 69 68 75 74 70 69 75 74 69 69 79 76
DEWPT 62 65 70 71 68 68 74 73 69 69 74 74 69 69 74 74
RH 84 90 72 85 97100 97 97 97100 97100100100 85 94
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B2 B2 OV OV OV B2 B2 B2 B2 B1 B2 B1 B2
POP 12HR 0 40 70 80 70 80 30 60
RAIN SHWRS SC NM NM NM O NM SC SC O SC IS NM
TSTMS SC SC IS SC SC IS SC IS 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