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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
632 AM EST Sat Mar 7 2026
NCZ003-072100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
632 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 76 58 74 50 76
TEMP 58 67 74 76 71 66 64 61 58 66 71 71 65 59 56 53 51 64 73 76 68
DEWPT 57 62 62 61 60 60 59 58 57 59 57 57 55 53 52 51 50 54 50 48 48
MAX/MIN RH 61 95 60 97 37
RH 96 84 66 60 68 81 84 90 96 78 61 61 70 80 86 93 96 70 44 37 49
WIND DIR E S SW S S S SW SW W W W W NW N N NW N W SW W W
WIND SPD 1 4 8 8 3 3 2 1 1 3 5 3 1 0 0 1 0 1 3 3 1
WIND GUST 19 20 17 14
CLOUDS B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 SC SC FW FW FW SC SC FW
CLOUDS(%) 67 65 57 57 59 69 69 72 76 84 87 76 70 35 26 20 22 19 30 30 13
VSBY 7 10 10 10 10 10 9 8 8 10 10 10 10 10 10 10 2
POP 12HR 40 70 60 10 20
RAIN SHWRS IS SC SC IS SC SC NM NM NM NM IS IS
TSTMS IS SC IS IS IS
MIX HGT <1 2 5 4 2 1 1 <1 1 2 4 4 <1 <1 <1 <1 <1 2 6 6 <1
T WIND DIR SW SW SW SW S SW SW SW SW SW W W W N NW NW NW NW W W SW
T WIND SPD 4 8 17 25 16 14 11 9 5 11 11 12 2 4 5 6 6 8 6 8 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 16 51 68 7 7 5 4 7 26 30 48 1 2 3 3 7 25 48 56 2
MAX LVORI 8 4 1 1 3 4 5 6 6 3 1 1 3 4 6 6 6 3 1 1 2
STABILITY C D D D F F F F C C D C F G G G A A B B G
CEILING 700 1500 600 500 2600 2100 None None None None
STA PRES 28.30 28.19 28.14 28.08 28.09 28.08 28.12 28.15 28.18 28.15
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 53 80 57 81 47 61 33 58
TEMP 57 54 78 72 60 59 78 74 65 50 50 46 38 34 54 53
DEWPT 49 49 54 57 56 56 59 57 55 46 29 23 23 23 27 31
RH 75 83 43 59 87 90 52 55 70 86 44 40 54 64 35 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC B1 FW B1 B2 B2 B2 B2 B1 SC SC SC SC SC
POP 12HR 20 30 10 40 80 40 20 20
RAIN SHWRS IS IS SC SC NM O SC IS IS 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