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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Sun Jul 12 2026
VAZ012-130800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
301 PM EDT Sun Jul 12 2026
Date 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed
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 59 72 56 80 57
TEMP 70 67 64 63 62 62 67 68 69 66 62 61 59 60 68 75 79 73 62 59 58 62
DEWPT 68 65 64 63 62 62 67 66 65 63 62 61 59 60 63 62 61 62 60 58 56 61
MIN/MAX RH 100 86 100 56 100
RH 93 93100100100100100 93 87 90100100100100 84 64 54 68 93 96 93 97
WIND DIR SE E E E E E E E E E E E E E E E E SE N N N N
WIND SPD 1 1 2 2 2 3 3 3 3 3 3 2 2 3 2 2 2 1 0 0 0 0
CLOUDS B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 SC SC FW FW FW FW FW FW
CLOUDS(%) 84 86 89 87 86 86 82 86 74 76 82 56 81 80 42 41 22 12 14 14 20 20
VSBY 10 4 4 4 2 4 6 8 10 10 10 8 7 8 10 10 10 10
POP 12HR 70 80 30 5 0
RAIN SHWRS O NM SC SC SC SC NM NM SC IS
TSTMS SC SC IS IS IS SC SC SC
Obvis PF PF PF PF
MIX HGT 2 1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 1 2 4 4 <1
T WIND DIR SE E E SE E E E E E E E SE N SE E E E SE
T WIND SPD 5 6 8 6 4 8 23 20 16 8 4 1 0 1 5 10 8 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 17 3 4 3 2 10 46 51 45 4 2 1 0 2 16 50 44 1
MAX LVORI 5 6 9 9 9 7 4 4 4 6 9 10 10 10 4 1 1 3
STABILITY B F F F F B B B B F F F F B A A A G
CEILING 200 200 200 700 8300 200 None None None
STA PRES 27.36 27.36 27.43 27.43 27.44 27.43 27.46 27.41
Date 07/15Thu 07/16/26Fri 07/17/26Sat 07/18/26Sun 07/19/26
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 88 62 89 62 89 61 88 61 86
TEMP 82 79 64 65 83 79 66 66 83 79 64 66 82 78 64 64 81 76
DEWPT 63 66 62 65 65 66 64 65 63 65 62 64 64 64 62 64 64 64
RH 53 64 93100 55 64 93 97 51 62 93 93 55 62 93100 56 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW CL CL FW SC FW FW SC SC FW FW SC SC SC SC B1 B1
POP 12HR 10 0 10 5 20 10 20 20 30
RAIN SHWRS IS IS IS IS SC
TSTMS IS IS 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