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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Wed Feb 25 2026
NCZ003-260900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
202 AM EST Wed Feb 25 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 35 54 44 55 41
TEMP 35 35 40 51 53 50 48 47 46 46 49 54 56 54 50 47 44 42
DEWPT 22 23 26 31 35 38 40 42 43 44 48 49 49 47 46 43 41 40
MIN/MAX RH 61 47 98 75 92
RH 59 61 57 46 50 63 74 83 89 93 96 83 77 77 86 86 89 93
WIND DIR SW SW SW SW SW SW SW W SW S SW SW W W N NE NE NE
WIND SPD 10 9 10 10 11 10 6 4 3 4 5 5 5 4 5 4 5 5
WIND GUST 21 24 23
CLOUDS OV OV OV B1 B1 B1 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 96 94 92 63 58 63 88 97 97 88 93 86 78 71 74 79 80 80
VSBY 10 10 10 10 10 10 10 5 4 4 6 6 6 6 6 6 6 7
POP 12HR 10 10 70 80 40
RAIN C L D D L L C C C C S
MIX HGT <1 <1 1 3 2 <1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1
T WIND DIR SW SW SW SW SW SW SW SW S N NE N E NE NE NE NE E
T WIND SPD 6 5 11 17 20 8 5 5 3 1 1 4 3 3 3 1 2 3
DISPERSION FR FR PR VP VP VP PR VP PR
ADI 6 4 16 51 41 7 4 4 2 1 1 5 4 2 2 1 2 4
MAX LVORI 3 3 2 1 1 3 3 5 7 7 8 5 4 4 5 6 7 6
STABILITY D C C C D D E E F D D D D E E E E D
CEILING 11200 9100 5300 2200 400 300 400 400
STA PRES 28.78 28.74 28.83 28.86 28.85 28.81 28.90 28.96
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 54 39 64 42 65 42 53 36 46
TEMP 51 50 42 40 61 57 47 42 62 58 48 42 49 51 44 37 42 43
DEWPT 41 41 38 37 41 42 40 38 40 37 37 33 34 36 35 32 30 32
RH 68 71 86 89 48 57 76 86 44 45 65 70 56 56 70 82 62 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC SC FW CL CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 20 10 5 0 5 20 40 40 40
RAIN S 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