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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EST Tue Feb 24 2026
NCZ006-242100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
731 AM EST Tue Feb 24 2026
Date Tue 02/24/26 Wed 02/25/26 Thu 02/26/26
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 47 35 58 46 62
TEMP 33 43 47 41 38 39 40 40 47 56 58 54 50 49 48 48 54 59 61 57
DEWPT 14 14 15 17 19 21 23 25 27 31 34 36 39 40 43 46 49 51 51 49
MAX/MIN RH 27 53 38 92 69
RH 45 30 27 37 46 48 50 55 45 38 40 50 66 71 83 93 83 75 70 75
WIND DIR NW W SW S SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW
WIND SPD 5 5 5 3 5 8 9 8 10 10 10 5 4 2 3 4 5 9 9 5
WIND GUST 19 20 19 20 21 20 19
CLOUDS FW SC SC B1 B2 OV OV OV OV B2 B2 B1 B1 B1 B2 OV OV OV OV OV
CLOUDS(%) 10 37 36 69 80 92 95 95 90 82 71 66 65 66 83 92 90 91 90 88
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 6 6 6 6 6 6 3
POP 12HR 0 10 5 50 80
RAIN C C D D D D L
SPRINKLES SC
MIX HGT 3 4 4 <1 <1 <1 1 <1 2 3 3 <1 <1 <1 <1 <1 2 2 2 2
T WIND DIR NW W SW SW SW SW SW SW SW SW SW SW SW SW SW S S S S S
T WIND SPD 13 11 12 6 10 13 19 16 14 21 23 9 12 9 5 5 9 14 19 20
DISPERSION VP PR PR PR PR VP VP VP PR
ADI 55 53 58 3 7 12 18 21 30 75 56 6 8 4 3 6 16 30 41 14
MAX LVORI 1 1 1 2 2 2 2 2 1 1 1 2 3 3 5 6 4 3 1 3
STABILITY B B B F E D D D D C D E E F F D D D D E
CEILING None None 10900 5900 5500 6900 5800 2600 500 400
STA PRES 29.49 29.37 29.31 29.23 29.23 29.20 29.29 29.35 29.34 29.23
Date Fri 02/27/26Sat 02/28/26Sun 03/01/26Mon 03/02/26
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 41 57 37 64 41 67 34 48
TEMP 50 42 54 51 42 37 61 56 46 42 66 54 43 35 44 44
DEWPT 46 40 40 40 38 37 42 43 41 40 41 36 30 26 24 26
RH 86 93 59 66 86100 49 62 83 93 40 50 60 69 45 49
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 SC SC SC SC FW FW FW FW SC SC B1 B1 B1
POP 12HR 70 30 20 10 5 5 20 30
RAIN L C C S S C C
SNOW 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