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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Tue Feb 24 2026
VAZ012-250900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
401 PM EST Tue Feb 24 2026
Date 02/24/26 Wed 02/25/26 Thu 02/26/26 Fri
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 29 49 37 53 38
TEMP 29 30 34 33 33 41 47 47 42 42 41 40 39 46 51 51 46 44 42 41 40
DEWPT 11 11 14 17 22 28 30 32 35 36 37 37 37 41 42 42 41 40 39 38 36
MIN/MAX RH 64 48 93 70 91
RH 46 44 43 51 63 59 51 56 76 79 85 89 92 83 71 71 83 86 89 89 85
WIND DIR SW SW W W W W W W W W W SW SW SW SW W W W NW NW NW
WIND SPD 3 3 4 6 8 8 6 6 4 3 2 2 2 2 2 2 2 2 2 2 2
WIND GUST 14 19 20 20 18 17
CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV B2 OV B2 B2 B2 B2
CLOUDS(%) 74 76 82 79 69 69 69 64 73 74 82 86 86 87 90 80 88 82 81 78 73
VSBY 10 10 10 10 10 9 10 10 8 4 6 6 6 6 3 3 6 6 7 7
POP 12HR 20 30 70 70 40
RAIN S C C L L L L L C C C S
RAIN SHWRS IS SC SC IS IS
MIX HGT <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 <1 2 2 <1
T WIND DIR SW SW SW W W W W W W W W W W S S S S
T WIND SPD 6 9 12 20 23 20 26 18 13 11 6 5 4 1 5 4 5
DISPERSION VP VP VP PR VP VP VP VP VP VP VP VP
ADI 3 4 8 14 28 33 55 37 9 5 3 3 4 1 14 11 3
MAX LVORI 2 2 2 2 2 1 1 1 4 4 5 6 6 6 3 3 5
STABILITY F F E E D D D D E F F F C C C C F
CEILING 8300 6500 1100 800 600 600 4100 4200 8300
STA PRES 27.04 26.97 26.98 27.00 27.08 27.13 27.18 27.17
Date 02/27Sat 02/28/26Sun 03/01/26Mon 03/02/26Tue 03/03/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 56 33 63 37 61 33 49 32 53
TEMP 54 45 38 35 61 49 41 39 60 48 39 35 46 41 36 33 51 45
DEWPT 37 36 33 31 35 36 35 34 37 35 32 30 30 31 29 27 33 36
RH 52 70 82 85 38 61 79 82 42 60 76 82 53 67 75 78 50 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW SC FW CL CL FW SC B1 B1 B1 B2 B1 B1 B1 B1 B1
POP 12HR 10 5 0 0 5 30 40 40 40
RAIN S C C C C C 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