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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Jul 8 2026
VAZ018-082000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Wed Jul 8 2026
Date Wed 07/08/26 Thu 07/09/26 Fri 07/10/26
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 86 68 86 68 87
TEMP 81 85 81 74 71 71 69 70 79 83 82 75 71 69 68 71 81 86 83 75
DEWPT 73 74 75 72 69 69 68 69 72 72 71 69 67 67 66 68 70 71 70 69
MAX/MIN RH 70 97 67 94 61
RH 77 70 82 93 93 93 97 97 79 70 69 82 87 93 93 90 69 61 65 82
WIND DIR SE SW S W N N SW W W W W W W W W W W W W W
WIND SPD 1 2 2 1 0 0 1 2 4 5 6 4 3 4 4 5 6 6 8 5
WIND GUST 16 17 19 17 14 17 18 21 20 21 21 21
CLOUDS SC OV B2 B1 B1 B1 B1 SC B1 B1 B2 SC FW FW SC SC SC B2 B2 B1
CLOUDS(%) 45 91 82 69 67 63 63 42 52 63 82 41 14 15 30 32 31 76 76 63
VSBY 10 10 10 10 8 3 5 5 10 10 10 10 10 8 5 10 10 10 10 10
POP 12HR 60 30 70 5 60
RAIN SHWRS IS SC SC SC IS IS IS SC NM NM NM SC
TSTMS IS SC SC SC IS SC SC SC SC SC
MIX HGT 3 4 2 <1 <1 <1 <1 1 3 4 3 1 <1 <1 <1 1 4 4 3 1
T WIND DIR W NE SE SE SE SE S SW W W W W W W W W W SW W NW
T WIND SPD 2 2 4 9 8 4 6 6 6 12 16 14 3 3 4 8 25 23 29 10
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 10 10 13 4 4 2 3 10 23 48 53 10 2 2 2 14112 88121 7
MAX LVORI 4 3 4 6 6 6 6 6 3 1 1 4 6 7 6 5 1 1 1 4
STABILITY A B B F F F F A C C C E G F F A B C B E
CEILING None 2400 3200 None None 3900 None None None 6000
STA PRES 27.84 27.81 27.80 27.78 27.77 27.74 27.75 27.73 27.71 27.67
Date Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
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 68 84 66 82 64 83 64 88
TEMP 71 71 83 74 69 68 80 74 68 67 81 75 67 67 86 78
DEWPT 68 68 72 69 66 65 68 66 62 63 66 65 61 62 64 66
RH 90 90 70 84 90 90 67 76 81 87 60 71 81 84 48 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC FW FW FW
POP 12HR 30 60 30 60 40 40 10 10
RAIN SHWRS SC SC SC NM SC SC SC NM SC IS SC SC
TSTMS 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