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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
403 AM EST Sat Mar 7 2026
VAZ012-072100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
403 AM EST Sat Mar 7 2026
Date Sat 03/07/26 Sun 03/08/26 Mon 03/09/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 77 56 66 48 70
TEMP 54 70 76 75 65 61 59 58 58 61 63 64 57 53 50 49 50 61 68 70 62
DEWPT 51 57 55 53 55 54 55 55 54 55 53 50 49 48 48 47 46 49 45 43 45
MAX/MIN RH 45 91 61 94 38
RH 90 63 48 46 70 78 87 90 86 81 70 60 75 83 93 93 86 65 43 38 54
WIND DIR SW SW SW SW SW SW W W W W W W W W W W W W W W SW
WIND SPD 2 3 5 5 3 4 4 4 4 4 4 3 2 1 1 2 2 3 4 4 2
CLOUDS SC FW SC B1 B1 B2 OV OV B2 OV OV B1 SC SC SC FW SC FW SC SC FW
CLOUDS(%) 29 16 45 63 69 80 91 92 84 91 90 63 41 28 30 24 27 20 38 38 16
VSBY 10 10 10 10 10 10 8 6 6 7 8 10 10 10 10 10 8
POP 12HR 40 80 70 10 20
RAIN SHWRS IS SC SC NM NM NM NM NM SC SC IS IS
TSTMS IS SC IS IS IS IS
MIX HGT <1 2 5 5 1 <1 1 2 2 2 2 4 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR SW SW SW SW S SW SW W W W W W W W W W W W W W W
T WIND SPD 5 10 23 24 9 10 9 13 3 16 16 16 9 6 6 4 4 8 9 11 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 6 31139 75 4 7 6 9 6 32 30 61 4 3 3 2 5 31 53 65 3
MAX LVORI 5 1 1 1 3 4 5 5 5 3 3 1 3 5 6 6 5 1 1 1 2
STABILITY B B B D F E E E D D D C F G G G B B B B G
CEILING None 3300 3800 0 0 1200 None None None None
STA PRES 27.39 27.28 27.23 27.20 27.23 27.21 27.25 27.26 27.30 27.27
Date Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 51 75 56 77 40 53 29 57
TEMP 52 52 73 66 57 57 75 69 59 42 44 39 32 30 53 50
DEWPT 47 47 53 54 53 54 54 54 50 38 23 20 20 20 25 29
RH 83 83 49 65 86 90 48 59 72 86 43 46 61 66 33 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B1 B1 SC B2 B2 B2 OV OV B1 SC FW SC SC SC
POP 12HR 30 50 20 50 90 40 20 20
RAIN SHWRS SC SC SC IS IS SC O O SC IS IS IS
TSTMS IS
$$
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