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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EST Mon Feb 23 2026
NCZ003-232100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
331 AM EST Mon Feb 23 2026
Date Mon 02/23/26 Tue 02/24/26 Wed 02/25/26
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 37 22 43 31 56
TEMP 25 25 28 34 35 32 29 27 26 23 32 39 43 39 37 36 35 33 44 51 56 51
DEWPT 14 12 13 13 14 14 14 13 13 13 11 11 13 16 17 19 21 24 30 33 35 35
MAX/MIN RH 40 63 29 69 44
RH 62 57 53 41 41 47 53 55 57 65 41 31 29 39 44 50 56 69 57 50 45 54
WIND DIR NW NW NW NW NW NW NW NW NW NW W W SW S SW SW SW SW SW W W W
WIND SPD 16 16 17 17 16 12 11 10 9 5 4 4 3 2 2 2 2 3 6 9 6 2
WIND GUST 40 42 40 33 33 32 31 26 21 12 13 19 23 20 12
CLOUDS B1 FW SC B1 B1 SC FW FW FW SC B1 B2 B2 B1 B1 OV B2 B1 B1 SC SC SC
CLOUDS(%) 52 22 38 51 51 38 24 15 21 40 51 77 70 57 68 92 77 68 58 43 39 38
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 5 5
FLURRIES SC SC SC
MIX HGT 2 2 4 5 5 2 2 2 2 1 3 4 4 <1 1 1 <1 1 4 6 6 1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW W SW S SW SW SW W W W W W
T WIND SPD 35 35 36 34 36 26 31 28 24 20 13 9 10 10 9 8 5 6 16 25 24 12
DISPERSION GD FR FR FR PR VP VP VP VP VP
ADI 40 68 99101109 30 21 19 16 38 42 34 52 5 4 4 3 11 61110155 6
MAX LVORI 1 1 1 1 1 2 2 2 2 1 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY D D D D D D E E E B C C B F F F F B C C B G
CEILING None None None None 13500 10000 9100 8000 None None
STA PRES 28.04 28.08 28.12 28.13 28.15 28.05 27.99 27.93 27.92 27.94
Date Thu 02/26/26Fri 02/27/26Sat 02/28/26Sun 03/01/26
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 42 58 40 59 36 64 40 65
TEMP 47 43 55 52 47 41 55 50 44 37 58 55 48 41 60 56
DEWPT 37 40 47 48 43 37 34 33 31 31 37 38 37 38 40 39
RH 68 89 74 86 86 85 45 52 60 79 45 53 65 89 47 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 OV OV B2 B2 SC FW FW FW FW FW FW SC SC B1
POP 12HR 30 80 70 20 10 5 5 20
RAIN C L D L C 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