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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EST Tue Feb 24 2026
NCZ003-242100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
731 AM EST Tue Feb 24 2026
Date Tue 02/24/26 Wed 02/25/26 Thu 02/26/26
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 44 34 57 43 58
TEMP 31 40 44 41 37 37 37 37 44 53 56 53 49 47 45 45 49 55 58 56
DEWPT 12 11 13 16 18 19 21 22 26 31 34 36 38 39 40 42 46 48 49 48
MAX/MIN RH 28 54 41 90 72
RH 45 30 28 36 46 48 52 54 49 43 43 52 66 74 82 89 89 77 72 74
WIND DIR NW W SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW
WIND SPD 6 5 6 9 11 11 10 9 10 10 10 9 5 4 4 5 6 8 9 9
WIND GUST 20 24 21 18
CLOUDS B1 B2 B1 B2 B1 OV OV B2 B2 B2 SC B1 B1 B1 OV OV OV OV OV B2
CLOUDS(%) 54 72 67 71 67 95 91 80 84 70 49 55 56 67 89 89 92 92 90 85
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 6 6 6 6 3 3 3
POP 12HR 0 10 5 50 80
RAIN S S C C L L D D L
SPRINKLES SC
MIX HGT 3 3 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 1 2 2 1
T WIND DIR NW W SW SW SW SW SW SW SW SW SW SW SW SW SW S S S S S
T WIND SPD 11 8 11 8 9 9 9 6 13 18 19 8 6 5 5 3 3 9 9 11
DISPERSION PR FR FR FR PR PR VP VP PR
ADI 33 26 39 7 8 8 8 8 32 51 61 7 5 4 4 4 5 17 19 10
MAX LVORI 1 2 1 2 2 2 2 2 1 1 1 2 3 3 5 6 6 3 3 3
STABILITY C C C D D D D D C D C D E E E D D D D D
CEILING None 11600 10200 7200 8000 None 3000 1500 300 300
STA PRES 29.06 28.93 28.86 28.80 28.79 28.78 28.86 28.90 28.90 28.78
Date Fri 02/27/26Sat 02/28/26Sun 03/01/26Mon 03/02/26
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 41 55 38 63 40 64 35 47
TEMP 49 42 52 51 43 39 59 56 46 41 63 54 43 35 43 44
DEWPT 45 38 39 38 37 36 40 42 39 37 39 34 31 27 25 26
RH 86 86 61 61 79 89 49 59 76 85 41 46 62 72 49 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 SC FW SC FW CL CL FW FW SC B1 B1 B2 B1
POP 12HR 60 20 10 5 5 5 20 30
RAIN L C S S C C
$$
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