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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Thu Feb 26 2026
NCZ001-262100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
702 AM EST Thu Feb 26 2026
Date Thu 02/26/26 Fri 02/27/26 Sat 02/28/26
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 47 36 48 36 55
TEMP 40 44 44 41 39 37 37 36 40 45 47 43 39 39 37 36 46 53 54 48
DEWPT 40 43 42 40 37 36 35 34 37 39 38 38 37 36 35 34 35 34 34 35
MAX/MIN RH 89 97 70 94 46
RH 100 96 93 96 92 96 92 92 89 79 71 82 92 89 92 92 65 48 46 60
WIND DIR SW W NW NW NW NW W W SE S S S S S W NW NW NW W W
WIND SPD 8 9 10 9 9 8 6 5 5 5 5 6 6 5 6 9 6 5 6 5
CLOUDS OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC FW FW FW CL CL CL
CLOUDS(%) 90 87 77 66 37 43 39 47 35 33 21 23 32 32 18 10 6 2 4 5
VSBY 3 3 9 9 6 4 2 1 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 5 10 5 0
RAIN L C
MIX HGT <1 2 2 <1 <1 <1 <1 <1 1 3 4 <1 <1 <1 <1 <1 2 5 5 <1
T WIND DIR E NE W W N NE E E SE SE SE E E S NW NW NW N N NW
T WIND SPD 3 2 8 1 2 2 1 2 9 10 4 4 2 1 3 6 17 11 5 2
DISPERSION PR PR PR PR PR PR PR PR PR
ADI 4 4 15 1 2 2 1 2 13 43 20 2 1 1 2 5 46 62 32 1
MAX LVORI 9 7 5 7 7 8 8 6 5 3 3 5 7 7 7 6 1 1 1 3
STABILITY D D D D E D F B B B B F F F F C B B B F
CEILING 100 100 None None None None None None None None
STA PRES 26.48 26.49 26.59 26.63 26.69 26.68 26.67 26.64 26.69 26.69
Date Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 39 53 33 38 28 40 33 50
TEMP 41 41 52 45 40 34 35 35 31 29 37 37 36 40 46 45
DEWPT 34 35 37 35 35 32 31 29 27 27 29 28 32 36 38 35
RH 76 79 56 68 82 92 85 78 85 92 72 70 85 85 73 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL SC B2 OV B2 OV OV OV B2 B1 B2 B2 B2 OV OV
POP 12HR 0 5 30 60 40 50 40 30
FRZG RAIN C
RAIN C L L C C C C C C C
SNOW S S
$$
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