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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri May 8 2026
VAZ012-082000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
301 AM EDT Fri May 8 2026
Date Fri 05/08/26 Sat 05/09/26 Sun 05/10/26
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 69 43 73 47 78
TEMP 36 41 57 64 67 60 49 46 43 48 62 68 69 63 54 50 47 52 67 73 76 68
DEWPT 29 29 28 29 29 33 35 37 38 42 45 45 46 47 48 47 45 48 48 46 46 49
MAX/MIN RH 23 83 39 93 34
RH 75 62 33 27 24 36 58 71 82 80 54 43 44 56 80 89 93 86 50 38 34 51
WIND DIR NW NW W W W W S SW SW SW SW W W W W W W W W W W W
WIND SPD 1 1 1 2 3 2 1 1 1 1 5 6 5 2 2 2 1 1 2 3 3 1
WIND GUST 17
CLOUDS FW CL CL CL CL FW CL FW SC B1 SC SC SC FW FW SC SC SC FW SC SC SC
CLOUDS(%) 23 2 1 5 3 11 5 13 34 69 40 47 35 18 25 28 35 35 9 35 35 42
VSBY 1 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7
POP 12HR 0 0 10 0 20
RAIN SHWRS IS IS
TSTMS IS IS
MIX HGT <1 <1 4 6 6 <1 <1 <1 <1 <1 5 5 5 <1 <1 <1 <1 <1 4 7 6 <1
T WIND DIR NW W NW W SW S S S S SW W W W W SW W W W SW SW W SW
T WIND SPD 3 2 9 8 10 6 8 6 5 17 25 24 20 5 5 5 3 3 9 10 12 3
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 2 47 60 74 3 4 3 3 18144147128 3 3 3 2 3 51 87 91 2
MAX LVORI 4 3 1 1 1 2 3 3 5 3 1 1 1 3 4 6 7 6 1 1 1 2
STABILITY G A A A A G G G G B A B A G G G G A A A A F
CEILING None None None None None None None None None None
STA PRES 27.23 27.15 27.14 27.09 27.10 27.10 27.18 27.20 27.22 27.18
Date Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
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 49 64 35 66 44 66 44 66
TEMP 55 50 59 55 40 40 61 58 46 48 63 59 48 47 64 61
DEWPT 49 48 43 35 33 32 31 35 36 40 46 46 44 43 42 42
RH 80 93 55 47 76 73 32 42 68 74 54 62 86 86 45 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B2 SC SC FW CL FW FW SC B2 B2 B1 SC B1 SC
POP 12HR 40 50 0 0 20 70 30 10
RAIN SHWRS SC SC IS IS NM NM SC
TSTMS 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