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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Sat Jul 11 2026
VAZ018-120800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
301 PM EDT Sat Jul 11 2026
Date 07/11/26 Sun 07/12/26 Mon 07/13/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 66 77 65 75 63
TEMP 79 72 70 69 67 68 73 76 74 69 68 68 67 66 69 72 74 69 66 65 64 66
DEWPT 71 69 67 66 66 67 70 71 71 68 66 66 65 65 68 69 68 66 63 63 63 64
MIN/MAX RH 100 84 100 84 96
RH 77 90 90 90 97 97 90 85 90 97 93 93 93 97 97 90 82 90 90 93 97 93
WIND DIR W NW NW N N E E E E E E E E E E E E E E E NE NE
WIND SPD 4 2 1 1 0 1 2 3 3 2 2 2 3 4 4 4 4 2 2 1 1 1
WIND GUST 12 13 14 16 14 14 12
CLOUDS B2 B2 B2 B2 OV OV OV OV B2 OV OV B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1
CLOUDS(%) 71 79 73 78 92 91 92 93 84 94 90 86 93 84 85 85 82 78 55 62 60 53
VSBY 9 10 8 5 4 4 9 9 8 8 5 4 4 5 8 8 10 10
POP 12HR 70 90 90 80 30
RAIN SHWRS SC IS SC NM NM O O O O SC NM NM O O O NM NM SC SC
TSTMS SC IS SC SC SC IS IS IS IS SC SC IS
Obvis PF F
MIX HGT 2 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR NW NW W NW NW NW E NE E E E E E E E E E E
T WIND SPD 4 10 5 4 3 3 4 9 12 9 10 8 10 9 10 10 10 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 12 5 3 2 2 4 9 22 25 4 5 4 5 7 20 23 21 4
MAX LVORI 4 6 6 6 7 8 5 4 4 7 6 6 6 6 5 4 4 5
STABILITY C F F F F B B B B F F F F C C C C F
CEILING 3300 2300 100 1100 100 100 1100 6400 6700
STA PRES 27.81 27.84 27.89 27.90 27.93 27.94 27.97 27.94
Date 07/14Wed 07/15/26Thu 07/16/26Fri 07/17/26Sat 07/18/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 84 66 92 69 93 69 92 69 89
TEMP 82 76 67 69 90 81 71 72 91 82 72 72 89 80 72 71 86 79
DEWPT 68 68 63 65 69 69 66 68 68 69 66 67 68 69 66 67 69 68
RH 63 76 87 87 50 67 84 87 47 65 81 84 50 69 81 87 57 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW CL FW FW FW FW FW B1 SC SC SC B1
POP 12HR 10 0 5 0 10 0 30 20 40
RAIN SHWRS SC IS IS SC
TSTMS 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