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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Tue Feb 24 2026
NCZ001-242100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
631 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 34 28 44 38 48
TEMP 15 18 28 33 30 30 33 33 33 37 41 42 43 40 40 40 40 41 44 45 47
DEWPT 8 9 9 8 11 12 14 17 21 27 32 33 33 34 35 38 39 41 43 43 42
MAX/MIN RH 34 66 47 99 83
RH 73 67 44 34 44 46 45 51 61 67 70 70 67 79 82 92 96100 96 93 83
WIND DIR NW W W W SW W W W W W W W W W W SW SW SW SW SW W
WIND SPD 23 17 10 11 12 16 21 28 29 29 23 20 17 13 10 10 11 12 12 13 14
WIND GUST 33
CLOUDS B1 B2 B1 B1 B2 B1 B2 B1 SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV B2
CLOUDS(%) 63 71 67 69 71 68 86 53 32 53 59 65 66 73 84 87 89 88 91 88 83
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6 6 6 6 3 3 6
POP 12HR 10 20 20 60 80
FLURRIES SC
RAIN S S C C L L L L D D C
SNOW S S
MIX HGT <1 1 2 2 <1 <1 <1 1 1 2 3 1 <1 <1 <1 <1 <1 <1 1 1 <1
T WIND DIR NW NW W SW SW SW W W W W W W W W W SW S S S S S
T WIND SPD 21 17 11 14 8 6 11 41 14 24 29 25 9 8 5 3 4 6 14 12 12
DISPERSION FR GD GD GD GD FR FR FR GD
ADI 24 25 27 30 7 6 10 37 22 49 72 39 8 7 5 3 5 8 21 18 11
MAX LVORI 3 3 2 1 2 2 2 1 2 1 3 3 3 4 4 6 7 8 5 4 4
STABILITY D D C D D D D D D D D D D D D D D D D D D
CEILING 17000 8700 6800 None None 100 200 200 200 200
STA PRES 26.64 26.54 26.48 26.44 26.46 26.48 26.54 26.55 26.55 26.46
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 37 48 34 54 37 51 31 40
TEMP 42 37 45 43 38 34 51 46 40 38 50 43 36 32 37 37
DEWPT 39 35 36 35 33 32 34 37 34 32 34 32 29 27 27 27
RH 89 92 70 73 82 92 52 71 79 79 54 65 75 81 67 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 SC FW FW SC FW FW CL FW SC SC B1 B1 B2 B1
POP 12HR 50 10 5 5 5 5 20 30
RAIN 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