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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EST Sun Feb 22 2026
VAZ012-230900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
731 PM EST Sun Feb 22 2026
Date 02/22/26 Mon 02/23/26 Tue 02/24/26 Wed
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 20 29 17 39 31
TEMP 22 21 20 20 25 29 28 24 22 20 18 17 26 35 38 33 33 35 35 34
DEWPT 15 14 12 12 12 12 12 14 12 11 11 9 10 9 8 10 13 18 20 23
MIN/MAX RH 71 48 74 29 62
RH 74 74 71 71 57 48 50 65 65 67 73 70 50 33 28 38 43 49 54 64
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW W W SW SW SW SW W W
WIND SPD 11 11 11 10 10 9 8 8 6 6 6 5 4 3 4 3 4 5 6 8
WIND GUST 24 24 24 24 25 24 23 29 29 27 25 16 17 20 19
CLOUDS B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B2 B2 B2 B2 B1
CLOUDS(%) 77 75 67 67 76 80 78 79 80 72 62 57 49 69 58 72 74 75 75 66
VSBY 4 4 4 5 4 5 5 5 9 9 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 50 30 0 10
FLURRIES SC SC
SNOW C
SNOWSHWRS SC SC SC SC SC SC SC SC
MIX HGT 2 2 2 2 3 4 4 2 3 3 2 2 2 3 3 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W SW SW
T WIND SPD 36 37 35 33 36 33 35 34 32 29 27 21 14 11 12 6
DISPERSION FR FR FR PR PR PR PR VP VP PR PR
ADI 49 42 48 71 93 91 94 46 22 20 19 41 38 41 37 3
MAX LVORI 1 1 3 1 1 1 1 1 3 3 3 3 1 1 1 2
STABILITY D D D D D D D D E E E D B B C F
CEILING 1400 1300 1800 2100 1500 1400 12900 7500 5400
STA PRES 27.12 27.11 27.16 27.19 27.23 27.21 27.22 27.13
Date 02/25Thu 02/26/26Fri 02/27/26Sat 02/28/26Sun 03/01/26
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 51 39 54 31 51 28 60 36 57
TEMP 50 43 40 41 53 48 38 32 48 40 32 30 58 46 40 37 55 46
DEWPT 28 31 35 37 43 42 35 28 26 26 26 24 31 33 33 32 33 33
RH 42 62 82 85 69 80 89 85 42 57 78 78 36 60 76 82 43 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B2 B2 B2 B2 B2 SC FW FW FW FW FW FW SC B1 B1
POP 12HR 5 40 80 70 20 10 10 20 20
RAIN S C L C S S S S S
RAIN SHWRS O NM
$$
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