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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EST Sun Feb 22 2026
VAZ024-230900-
RAWS 441631
37.63N 79.51W Elev. 865 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 29 42 23 44 34
TEMP 32 31 31 30 36 41 41 35 31 28 25 24 31 40 43 37 35 35 37 38
DEWPT 18 18 17 17 18 16 16 16 14 11 11 11 12 11 12 15 17 20 23 27
MIN/MAX RH 59 35 58 27 65
RH 56 58 56 58 47 36 36 45 49 48 55 57 45 30 28 40 47 54 56 64
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW W W W SW S SW SW SW
WIND SPD 11 11 11 11 13 13 12 8 8 6 6 5 5 5 4 2 3 3 4 5
WIND GUST 34 34 34 34 36 33 33 28 27 25 23 18 17 14 13 16 17
CLOUDS B1 SC SC B1 B1 SC SC FW SC SC SC FW FW B1 B1 B1 B1 B2 B2 B1
CLOUDS(%) 56 47 45 53 58 29 35 18 27 28 27 20 24 61 65 56 66 78 78 63
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 0 0 5
RAIN
SNOW
MIX HGT 2 2 2 2 5 5 6 2 3 3 2 2 3 4 4 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W W S
T WIND SPD 19 20 26 28 35 32 32 25 31 28 27 19 12 10 11 4
DISPERSION FR FR FR PR PR PR PR VP VP VP VP
ADI 22 28 30 62105101139 17 21 13 12 59 54 51 43 2
MAX LVORI 2 2 2 1 1 1 1 2 2 2 2 1 1 1 1 2
STABILITY D D D D D D C E E F F B B B C F
CEILING 8500 None None None None None None 14100 7900
STA PRES 28.34 28.32 28.37 28.42 28.49 28.50 28.53 28.43
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 58 41 57 38 55 33 60 39 60
TEMP 55 50 43 42 53 55 46 39 52 45 37 34 56 50 43 40 57 50
DEWPT 31 32 34 37 44 45 39 32 30 28 29 28 35 36 35 34 36 34
RH 40 50 70 82 71 69 76 76 43 51 72 78 45 58 73 79 45 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW SC B1 B2 B2 B2 B1 SC FW FW FW FW FW FW SC B1 B1
POP 12HR 0 20 70 70 10 5 10 10 20
RAIN S L C S S
RAIN SHWRS NM 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
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