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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
440 AM EDT Sat Mar 14 2026
VAZ012-142000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
440 AM EDT Sat Mar 14 2026
Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26
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 63 42 62 53 58
TEMP 40 37 51 59 62 55 48 46 44 43 56 59 61 57 55 55 55 54 57 53 50 39
DEWPT 28 23 22 21 26 33 34 35 36 36 42 44 45 48 51 52 52 50 49 45 36 27
MAX/MIN RH 23 78 55 89 58
RH 62 56 32 23 25 43 58 65 73 76 59 57 56 72 86 90 90 86 75 74 58 62
WIND DIR W NW NW W W SE SE SE SE SE SE SE SE SE SE S S S SW SW W W
WIND SPD 4 2 3 2 2 2 3 4 4 4 6 8 8 9 9 9 12 14 14 8 9 10
WIND GUST 18 20 19 19 20 21 21
CLOUDS CL FW SC B1 FW SC CL FW SC SC B1 B2 B2 OV OV OV OV B2 OV OV OV B2
CLOUDS(%) 4 9 32 53 10 26 5 15 32 28 51 70 79 97 99100 94 87 94 97 90 74
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 8 8 8 10 10 10 10 10 10
POP 12HR 0 5 30 40 90
RAIN SHWRS SC SC SC SC SC SC NM O NM SC
SNOWSHWRS IS
TSTMS IS
MIX HGT 1 <1 2 3 4 <1 1 1 1 1 2 3 4 2 3 2 3 3 4 3 4 4
T WIND DIR W W W W SW SE SE SE SE SE S S S SE SE S S S S S W W
T WIND SPD 9 5 21 11 5 5 9 10 10 10 26 25 19 11 13 25 17 26 40 43 29 32
DISPERSION VP VP VP VP VP PR PR PR FR FR
ADI 4 6 65 46 25 3 4 5 5 16 81 60 52 15 19 34 23 68107 98 82 43
MAX LVORI 3 3 1 1 2 2 3 3 4 4 1 1 1 3 4 4 4 4 3 3 1 1
STABILITY F B B B B G G F F B B D D D D D D D D D D D
CEILING None None None None 22800 500 600 500 300 300
STA PRES 27.34 27.34 27.34 27.31 27.30 27.18 27.06 26.95 26.82 26.80
Date Tue 03/17/26Wed 03/18/26Thu 03/19/26Fri 03/20/26
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 17 31 14 46 28 58 36 62
TEMP 22 17 29 26 18 18 43 39 31 31 55 49 40 38 60 54
DEWPT 14 8 3 3 5 7 9 18 21 22 32 36 35 35 39 38
RH 71 67 32 36 56 61 24 42 66 69 41 61 82 89 46 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 SC SC SC SC B1 B1 SC FW FW FW SC SC
POP 12HR 20 0 0 5 10 5 10 20
RAIN SHWRS IS
SNOWSHWRS 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