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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EST Tue Feb 24 2026
NCZ003-242100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
431 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 46 31 58 41 58
TEMP 21 31 42 46 40 34 34 35 37 47 56 58 52 47 45 43 44 48 54 58 55
DEWPT 12 12 12 15 17 17 19 21 24 31 35 37 38 38 39 40 42 46 48 49 48
MAX/MIN RH 27 59 44 95 74
RH 68 45 29 28 39 49 54 56 59 53 45 45 59 71 79 89 93 93 80 72 77
WIND DIR NW NW W SW S SW S S SW SW SW SW W W SW SW S SW SW SW W
WIND SPD 3 3 2 3 2 2 2 2 3 5 8 6 2 1 1 1 1 2 5 4 2
WIND GUST 14 12 13 18 20 20
CLOUDS B1 B1 B2 B1 B2 B1 OV B2 B2 B1 B1 B1 B1 B1 B1 OV OV OV OV OV B2
CLOUDS(%) 53 67 72 66 71 68 94 82 72 69 63 61 60 58 69 88 88 90 91 89 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 0 10 10 50 80
FLURRIES
RAIN S S C C L L D D L
SPRINKLES SC
MIX HGT 2 3 3 4 <1 <1 <1 <1 1 3 5 4 1 <1 <1 <1 <1 <1 2 2 <1
T WIND DIR NW NW W SW S SW SW SW SW W W W W W SW S S S S S S
T WIND SPD 19 13 8 11 11 8 6 6 8 16 21 19 12 8 2 3 3 4 8 9 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 52 44 33 54 5 4 3 3 11 55 65 52 6 4 1 2 3 5 14 19 5
MAX LVORI 1 1 1 1 2 2 2 2 2 1 1 1 3 3 4 6 6 6 4 3 4
STABILITY B B B B F F F F C C D D F F F F C C D D F
CEILING 17200 11600 10300 7800 8100 2800 3800 3400 400 800
STA PRES 28.15 28.04 27.97 27.91 27.91 27.91 28.00 28.03 28.03 27.92
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 40 57 37 65 40 63 33 48
TEMP 48 41 54 51 43 38 61 56 45 41 62 52 42 34 44 43
DEWPT 43 38 39 39 38 36 40 43 39 37 39 35 32 27 28 28
RH 83 89 57 63 82 92 46 62 79 85 43 52 67 75 53 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 SC SC SC SC FW CL CL FW FW SC B1 B2 B2 B1
POP 12HR 60 10 10 5 5 5 20 30
RAIN L C 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