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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EDT Wed Mar 11 2026
NCZ003-120800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
232 PM EDT Wed Mar 11 2026
Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat
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 39 45 29 59 38
TEMP 82 76 68 66 59 43 40 42 45 43 36 33 31 31 44 54 58 53 47 44 42 39
DEWPT 58 56 55 56 52 39 33 26 21 19 21 21 21 21 24 28 31 32 33 34 34 33
MIN/MAX RH 93 38 68 35 80
RH 44 50 63 70 78 86 76 53 38 38 54 61 66 66 45 36 36 44 58 68 73 79
WIND DIR SW SW SW SW NW NW NW NW NW NW NW N N S S S SW SW W W NW NW
WIND SPD 8 5 5 5 9 14 14 12 10 3 1 0 0 2 8 10 8 3 2 2 2 1
WIND GUST 20 18 19 19 25 40 36 28 25 14 20 21 23 14
CLOUDS B1 B1 B1 B2 OV OV OV B1 FW CL CL FW FW FW FW FW SC FW FW FW SC B1
CLOUDS(%) 58 60 60 85 95 96 88 68 9 4 4 15 18 14 11 23 29 7 7 16 44 59
VSBY 10 10 10 10 10 10 4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 80 0 0 0
RAIN L L C
RAIN SHWRS SC
TSTMS IS
MIX HGT 5 2 2 2 2 2 3 5 6 2 <1 <1 <1 1 3 4 5 2
T WIND DIR SW SW SW SW NW NW NW NW NW N NW W W S S SW SW SW
T WIND SPD 23 18 11 16 21 28 29 32 28 12 3 2 2 4 17 18 20 10
DISPERSION PR PR PR PR VP VP VP VP VP VP VP VP
ADI 73 12 8 11 24 58 65 94128 6 2 1 1 7 63 69126 5
MAX LVORI 1 2 3 3 3 4 3 1 1 2 2 3 3 3 1 1 1 2
STABILITY D E E E D D D D C G G G G B B C B G
CEILING 3200 21900 600 2400 None None None None None None
STA PRES 28.01 27.96 27.94 28.08 28.14 28.25 28.25 28.25 28.14
Date 03/14Sun 03/15/26Mon 03/16/26Tue 03/17/26Wed 03/18/26
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 67 41 65 47 61 25 44 23 49
TEMP 63 60 46 43 59 63 55 54 54 45 31 26 41 38 28 25 46 43
DEWPT 36 40 38 40 48 51 53 51 37 22 16 11 10 10 12 12 17 22
RH 36 47 73 89 67 65 93 90 52 40 53 52 27 31 50 57 31 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW SC B2 B2 B2 OV B2 B1 SC SC SC SC SC B1 B1 SC
POP 12HR 0 5 20 70 60 20 10 5 10
RAIN SHWRS IS SC NM NM SC IS
SNOWSHWRS IS 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