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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
342 AM EDT Wed Jul 29 2026
VAZ018-292000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
342 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 79 60 82 60 87
TEMP 66 67 75 79 77 70 65 63 61 62 73 80 80 71 65 62 60 63 78 84 86 77
DEWPT 62 63 63 63 62 61 59 59 57 57 59 60 60 59 57 57 56 58 62 61 59 61
MAX/MIN RH 58 88 50 88 40
RH 87 87 66 58 60 73 81 87 87 84 62 51 51 66 75 84 87 84 58 46 40 58
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N SW SW E
WIND SPD 9 9 9 8 9 8 5 4 4 5 5 5 6 5 3 2 2 2 0 2 2 2
WIND GUST 24 23 18 17 16 18 17 18 20
CLOUDS FW FW FW FW FW CL FW FW FW CL CL FW CL CL CL CL CL FW FW FW FW SC
CLOUDS(%) 9 10 18 20 11 5 9 9 6 4 4 8 2 4 3 3 3 8 7 17 22 34
VSBY 7 8 10 10 10 10 10 10 10 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 1 3 4 5 2 <1 <1 <1 1 3 6 6 1 <1 <1 <1 <1 5 7 7 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW N NW NW NW NW NW NW NW N N NW N
T WIND SPD 8 13 20 18 19 17 11 6 5 11 11 9 12 16 5 4 4 3 3 3 4 6
DISPERSION PR PR PR VP VP PR VP VP VP VP
ADI 5 22 77 95104 12 5 3 3 15 46 63 82 7 3 2 2 3 20 27 41 3
MAX LVORI 5 4 1 1 1 3 4 6 6 4 1 1 1 3 4 5 6 5 2 2 1 3
STABILITY E B B B B E F F F A A A B F G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.60 27.62 27.68 27.69 27.72 27.71 27.77 27.77 27.78 27.75
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 85 67 80 67 81 67 84
TEMP 67 68 84 76 69 68 78 73 69 69 78 74 69 69 82 75
DEWPT 59 61 65 65 66 67 71 69 67 68 72 70 67 68 71 70
RH 75 78 53 69 90 97 79 87 93 97 82 87 93 97 69 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR 0 20 60 70 60 60 20 50
RAIN SHWRS IS SC NM SC NM NM SC SC NM SC IS SC
TSTMS IS IS IS SC IS 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