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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 310301
36.48N 80.86W Elev. 1300 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 33 54 42 56 40
TEMP 34 34 44 53 53 49 46 45 44 43 48 55 57 53 48 45 43 41
DEWPT 21 23 30 36 38 39 41 42 43 43 47 49 49 47 44 42 41 40
MIN/MAX RH 65 52 100 74 96
RH 58 64 57 52 57 68 83 89 96100 96 80 75 80 86 89 93 96
WIND DIR S S SW SW SW SW SW W N NW W W W NW N N N N
WIND SPD 2 2 5 8 6 2 1 1 0 1 2 2 2 1 1 1 1 1
WIND GUST 17 20 20
CLOUDS OV B2 B2 B1 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B2 B2 B2
CLOUDS(%) 92 86 72 61 78 71 85 94 89 85 87 87 78 71 69 74 74 75
VSBY 10 10 10 10 10 9 8 4 4 4 6 6 6 6 6 7 7 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 4 4 <1 <1 <1 <1 <1 <1 1 2 <1 <1 <1 <1 <1
T WIND DIR SW SW W W SW W W SW S N SE NE SE NE NE SE SE SE
T WIND SPD 4 4 12 18 20 16 9 4 2 1 1 3 3 1 1 1 1 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 5 23 52 55 7 4 2 1 1 1 6 7 1 1 1 1 1
MAX LVORI 3 3 2 1 1 3 4 6 8 10 10 4 3 4 6 6 7 9
STABILITY F B C D D F F F F C C C C F F F F C
CEILING 11300 4700 5000 1600 400 300 400 500
STA PRES 27.90 27.88 27.97 27.99 27.99 27.94 28.04 28.10
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 57 38 66 41 66 40 55 35 50
TEMP 54 51 42 39 63 57 46 42 65 54 45 40 50 51 43 36 45 45
DEWPT 43 42 39 38 40 42 39 38 40 38 38 35 37 38 35 33 33 33
RH 66 71 89 96 43 57 76 86 40 54 76 82 61 61 73 89 62 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC CL CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 20 5 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