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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
316 AM EST Fri Mar 6 2026
NCZ006-062100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
316 AM EST Fri Mar 6 2026
Date Fri 03/06/26 Sat 03/07/26 Sun 03/08/26
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 81 61 79 63 77
TEMP 60 58 71 80 81 73 68 65 64 62 70 77 79 74 70 68 66 64 70 76 77 71
DEWPT 56 57 61 60 59 59 59 60 61 61 64 63 61 60 60 61 62 61 62 59 58 57
MAX/MIN RH 46 98 53 92 51
RH 87 96 71 51 47 62 73 84 90 97 81 62 54 62 71 78 87 90 76 56 52 61
WIND DIR SW SW SW SW SW S S S S S SW SW SW S SW SW SW SW SW SW SW SW
WIND SPD 4 3 4 5 5 2 2 3 4 4 6 10 11 6 6 6 6 5 6 8 6 2
WIND GUST 17 18
CLOUDS B1 B1 SC FW SC FW SC SC SC B1 B1 SC SC B1 B1 B1 B2 B1 B1 B2 B2 B2
CLOUDS(%) 66 68 35 23 37 22 35 44 44 61 54 44 45 58 58 65 79 69 61 76 81 74
VSBY 10 10 10 10 10 10 10 10 9 8 10 10 10 10 10 10 10 10
POP 12HR 10 10 20 40 60
RAIN SHWRS IS IS SC SC SC SC SC SC NM NM SC
TSTMS IS IS IS SC IS
MIX HGT <1 <1 2 6 6 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 3 2 <1
T WIND DIR SW SW SW SW SW S S SW SW SW SW SW SW S SW SW SW SW SW SW SW SW
T WIND SPD 5 5 9 8 10 5 6 6 6 5 14 19 20 10 16 17 14 13 21 18 16 5
DISPERSION VP VP VP VP VP PR PR PR PR VP
ADI 4 4 20 53 70 3 3 3 5 6 27 64 60 7 11 12 10 16 49 44 34 3
MAX LVORI 6 6 3 1 1 3 3 5 6 8 3 1 1 3 3 4 5 5 3 1 1 3
STABILITY E C B B B G G F E D D C C E E E E D D D D F
CEILING None None None None None None 4700 600 1000 1400
STA PRES 29.60 29.56 29.60 29.59 29.58 29.48 29.45 29.39 29.38 29.32
Date Mon 03/09/26Tue 03/10/26Wed 03/11/26Thu 03/12/26
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 55 80 60 82 62 83 59 71
TEMP 62 56 76 73 64 60 78 75 66 62 80 77 68 60 69 59
DEWPT 54 54 56 56 57 58 60 58 59 60 61 58 58 55 47 36
RH 75 93 50 55 78 93 54 55 78 93 52 52 70 84 45 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC B1 SC B1 B1 B1 SC SC B1 B1 B2 B2 B2 B1
POP 12HR 30 30 30 30 20 40 60 40
RAIN SHWRS SC IS IS SC SC IS IS SC IS IS IS SC NM SC SC SC
TSTMS 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