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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
440 AM EDT Sat Mar 14 2026
NCZ003-142000-
RAWS 310301
36.48N 80.86W Elev. 1300 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 68 41 64 54 61
TEMP 44 41 55 65 67 60 51 48 44 43 51 60 63 57 56 55 56 56 59 59 56 47
DEWPT 33 31 32 31 36 39 37 38 37 38 45 50 52 52 53 54 55 55 56 53 43 32
MAX/MIN RH 28 88 67 96 55
RH 65 67 41 28 32 46 59 68 76 82 80 69 67 83 90 96 96 96 90 80 62 56
WIND DIR NW NW NW NW SE SE E NE NE E SE SE SE E SE S S S S SW W W
WIND SPD 2 2 2 2 3 1 1 1 1 1 3 5 6 5 5 5 9 10 12 11 11 10
WIND GUST 12 16 19 18 20 23 28 32 32 26 27 31
CLOUDS SC B1 SC SC SC FW FW FW SC SC B2 B2 B2 OV OV OV OV OV OV OV B2 B1
CLOUDS(%) 27 57 37 37 27 10 10 23 40 42 74 82 85100100100100 99 98 96 84 59
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 4 2 2 6 10 10 10 10 10
POP 12HR 0 0 40 70 90
RAIN SHWRS SC SC NM NM NM SC NM O O SC
TSTMS IS IS IS IS
MIX HGT 1 1 2 4 5 <1 <1 <1 <1 <1 2 3 3 1 3 2 3 3 4 2 3 3
T WIND DIR W NW NW W S SE SE SE SE SE S SE SE SE S S S S S S S NW
T WIND SPD 5 8 16 8 5 5 5 8 6 6 10 8 6 10 12 13 13 14 23 27 18 19
DISPERSION VP VP VP VP VP PR PR PR PR FR
ADI 3 12 48 40 35 3 3 4 3 7 25 21 17 12 17 19 19 36 61 53 41 26
MAX LVORI 3 3 1 1 1 2 3 3 4 4 3 3 3 4 4 5 5 4 4 3 1 2
STABILITY G B B B B G G G G A C D D D D D D D D D D D
CEILING None None None None 12100 500 400 200 100 1200
STA PRES 28.23 28.24 28.26 28.24 28.23 28.09 27.97 27.87 27.76 27.62
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 23 38 18 47 28 61 38 69
TEMP 30 23 36 34 25 22 44 42 34 31 57 53 43 39 67 58
DEWPT 17 10 8 7 9 10 13 20 23 25 34 40 37 37 42 43
RH 58 57 30 32 50 59 28 41 64 78 42 61 79 92 40 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW SC SC SC SC B1 SC FW FW FW SC SC
POP 12HR 10 0 0 5 5 5 10 10
$$
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