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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Jul 6 2026
VAZ024-062000-
RAWS 441631
37.63N 79.51W Elev. 865 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 92 71 88 67 89
TEMP 85 90 88 80 76 74 72 74 82 87 85 79 73 70 68 70 80 86 88 82
DEWPT 70 69 69 71 71 71 70 72 73 72 73 72 72 70 68 70 72 71 70 71
MAX/MIN RH 47 97 61 100 55
RH 61 50 54 74 85 90 93 93 74 61 67 79 97100100100 77 61 55 69
WIND DIR N SW N N N N N N N S NW N N N N N N SE S SE
WIND SPD 0 2 2 1 0 0 0 0 0 2 2 1 0 0 0 0 1 2 2 1
CLOUDS FW B1 B2 B2 B1 B1 B1 SC B1 B1 B2 B2 B2 B1 B1 B1 B2 B2 B2 B1
CLOUDS(%) 25 58 76 77 68 52 51 50 56 60 84 75 75 57 62 69 71 74 74 58
VSBY 10 7 6 6 7 10 1 1 10 6 3 6 6 7 7 7 7 6 6 7
POP 12HR 60 60 80 60 50
RAIN SHWRS IS NM NM SC SC NM NM NM IS IS SC SC SC SC SC
TSTMS IS NM NM SC SC NM SC IS IS SC SC SC
Obvis PF PF
MIX HGT 3 5 3 <1 <1 <1 <1 <1 3 4 2 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR W W SW W NE E NW NW NW N N S SE N N E N S SE SE
T WIND SPD 3 8 5 6 2 5 2 3 4 3 0 4 2 0 2 2 0 1 9 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 15 50 23 3 1 3 1 4 16 17 0 2 1 0 1 2 0 6 52 4
MAX LVORI 2 1 2 4 6 6 7 7 3 2 4 5 8 10 10 9 4 3 1 3
STABILITY A B B F F F F A B B B F F F F B B B B F
CEILING None 4100 1800 None None 3000 3300 3800 2100 2600
STA PRES 28.47 28.42 28.46 28.47 28.49 28.47 28.49 28.50 28.53 28.49
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 67 93 69 92 69 90 66 88
TEMP 70 71 90 85 71 72 90 84 71 73 87 82 69 69 85 79
DEWPT 69 70 71 72 69 70 70 70 69 70 71 70 68 68 67 67
RH 97 97 54 65 93 93 52 63 93 90 59 67 97 97 55 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC B1 SC SC FW SC SC SC B1 B1 B1 B1 SC B1
POP 12HR 40 40 20 20 20 50 20 30
RAIN SHWRS SC IS SC IS IS IS SC SC IS IS SC
TSTMS SC SC IS IS 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