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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Wed Feb 25 2026
NCZ006-252100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
702 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 57 47 59 41 54
TEMP 45 53 56 53 50 49 48 48 52 57 59 55 51 48 45 42 45 50 53 49
DEWPT 28 31 35 38 41 43 45 48 51 53 51 49 47 45 44 41 43 43 42 42
MAX/MIN RH 42 100 77 97 64
RH 51 43 45 57 71 80 89100 96 86 75 80 86 89 96 96 93 77 66 77
WIND DIR SW SW SW SW SW SW SW S S NE SW SW NE NE NE NE NE NE NE E
WIND SPD 10 11 11 8 5 4 3 3 4 4 5 2 2 2 2 3 3 4 3 2
WIND GUST 21 21
CLOUDS OV B2 B1 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B1
CLOUDS(%) 94 81 60 78 88 90 96 96 95 90 80 84 73 85 93 91 87 83 72 61
VSBY 10 10 10 10 10 10 5 4 4 4 6 6 6 6 6 7 7 7 7 10
POP 12HR 10 70 80 50 30
RAIN C L D D L L C C C C C C S S
MIX HGT 1 2 3 <1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 1 1 2 3 3 <1
T WIND DIR SW SW SW SW SW SW SW S N E NE N N N N NE E SE SE SE
T WIND SPD 16 18 23 9 10 8 4 2 0 5 9 3 3 3 3 4 4 3 6 6
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 26 50 72 6 7 4 2 2 0 6 14 2 2 2 2 6 12 8 23 3
MAX LVORI 2 1 1 3 3 5 6 10 9 5 4 4 6 7 8 6 5 3 2 3
STABILITY C C C E E F F C D D D F F F F C C D C F
CEILING 11600 11500 8800 3600 500 400 500 600 1100 1800
STA PRES 29.21 29.16 29.26 29.30 29.30 29.24 29.33 29.40 29.48 29.44
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 38 65 41 67 40 54 35 48
TEMP 42 38 61 57 47 42 65 58 45 40 51 51 43 36 44 44
DEWPT 39 37 43 43 41 41 43 38 35 33 35 35 36 32 32 33
RH 89 96 51 59 79 96 45 47 68 76 54 54 76 85 62 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW CL FW FW SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 10 10 5 5 20 40 40 50
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