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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Tue Feb 24 2026
VAZ046-250900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
201 AM EST Tue Feb 24 2026
Date 02/23/26 Tue 02/24/26 Wed 02/25/26 Thu
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 25 43 35 57 43
TEMP 27 26 33 41 42 39 37 38 39 40 47 54 56 53 50 48 45 45
DEWPT 12 12 12 13 14 16 17 19 21 24 29 33 35 34 36 36 37 39
MIN/MAX RH 56 31 53 43 82
RH 53 55 41 31 31 39 44 46 48 52 49 45 45 48 58 63 73 79
WIND DIR NW W W W W SW SW SW SW SW SW SW SW SW SW SW SW S
WIND SPD 8 5 8 9 8 5 9 11 13 12 13 13 12 8 6 5 4 4
WIND GUST 16 21 25 27 26 28 28 25 19 17
CLOUDS CL CL FW SC B1 B1 B2 B2 OV B2 B2 B1 SC SC SC B1 B2 OV
CLOUDS(%) 3 4 11 41 54 57 74 78 91 78 71 62 43 36 34 55 72 92
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6
POP 12HR 0 0 10 5 30
RAIN C C D
MIX HGT 3 2 3 4 3 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1
T WIND DIR NW NW NW W SW S SW SW SW SW SW SW W SW W SW SW S
T WIND SPD 14 16 12 12 12 6 14 19 18 17 21 21 24 9 9 8 4 4
DISPERSION PR PR PR FR FR PR PR PR VP
ADI 10 40 47 45 44 5 13 18 16 19 56 64 89 6 4 5 3 5
MAX LVORI 2 1 1 1 1 2 2 2 2 2 1 1 1 2 3 3 3 4
STABILITY E B B C C E D D D D D D C E F E E D
CEILING None 12300 9500 6200 7100 None None 6200
STA PRES 29.38 29.26 29.18 29.09 29.09 29.08 29.18 29.25
Date 02/26Fri 02/27/26Sat 02/28/26Sun 03/01/26Mon 03/02/26
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 55 38 52 35 62 40 62 31 42
TEMP 51 52 46 38 50 48 39 35 60 54 45 41 61 49 39 32 39 39
DEWPT 45 43 41 35 36 35 33 33 40 40 38 37 37 29 23 22 21 21
RH 80 71 83 89 58 60 79 92 47 59 76 85 41 46 52 66 48 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B2 B2 B1 SC FW FW FW CL CL FW FW SC B1 B1 B1 B1
POP 12HR 80 50 20 5 5 0 5 20 30
RAIN D D C C S S C
SNOW S 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