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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
632 AM EST Wed Feb 25 2026
NCZ001-252100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
632 AM EST Wed Feb 25 2026
Date Wed 02/25/26 Thu 02/26/26 Fri 02/27/26
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 43 39 44 37 49
TEMP 32 35 40 40 40 40 40 40 41 42 45 46 44 42 40 39 38 41 46 48 43
DEWPT 19 28 33 34 35 36 37 39 40 42 44 42 40 40 38 38 37 39 38 37 36
MAX/MIN RH 42 100 85 96 65
RH 58 75 76 79 82 85 89 96 96100 96 86 86 93 92 96 96 92 73 65 76
WIND DIR W W W W W W W W SW SW W W W NW NW NW NW S S SW S
WIND SPD 25 26 23 20 17 13 9 8 6 6 8 9 8 8 6 5 5 5 5 5 5
WIND GUST 35 36 34
CLOUDS SC SC SC B1 B1 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC
CLOUDS(%) 33 38 40 59 67 82 93 89 93 91 82 73 70 75 79 76 75 61 49 36 30
VSBY 10 10 10 10 10 7 3 2 2 2 5 6 7 7 7 7 7 7 10 10 10
POP 12HR 20 80 80 30 20
RAIN C C L D D D L L C C S S S S
MIX HGT <1 2 2 3 <1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR W W W W W W W W N E E S SW W W W W S S S SE
T WIND SPD 11 32 28 27 11 12 6 1 0 3 8 3 1 2 1 4 3 3 4 5 5
DISPERSION GD FR PR PR PR PR PR PR PR
ADI 13 54 60 64 10 11 6 1 0 4 9 4 1 2 1 3 3 4 10 15 3
MAX LVORI 2 3 3 3 4 5 5 10 9 9 8 5 6 6 8 8 8 6 3 3 4
STABILITY D D D D D D D D D D D D D D E E C D B B F
CEILING None 1100 200 200 200 200 200 300 5800 None
STA PRES 26.44 26.45 26.52 26.52 26.51 26.49 26.57 26.63 26.68 26.67
Date Sat 02/28/26Sun 03/01/26Mon 03/02/26Tue 03/03/26
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 35 54 39 54 39 47 35 43
TEMP 37 35 52 47 40 41 53 45 41 39 42 43 40 35 38 39
DEWPT 34 33 34 36 33 33 35 34 35 34 35 35 34 32 33 32
RH 89 92 50 65 76 73 50 65 79 82 76 73 79 89 82 76
WIND SPD <15 <15 <15 <15 <15 <15 15> <15
AVG CLOUDS SC SC FW CL CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 5 0 0 5 20 40 40 40
RAIN S 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