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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EST Sun Feb 22 2026
NCZ003-230900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
601 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 24 37 21 45 34
TEMP 30 29 27 25 25 30 35 35 31 28 26 23 23 31 40 44 38 35 35 35 36
DEWPT 16 14 13 14 13 14 14 14 15 13 12 12 12 13 12 13 15 16 18 21 23
MIN/MAX RH 63 40 67 28 59
RH 55 53 55 62 60 51 41 41 51 53 55 62 62 47 31 28 38 45 49 56 59
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W W SW S SW SW SW SW
WIND SPD 14 14 14 16 17 18 16 14 10 10 8 6 3 3 2 3 2 2 2 2 3
WIND GUST 42 47 46 47 47 46 37 39 33 32 27 23 14 12 14
CLOUDS FW CL FW SC FW FW FW FW FW SC SC SC SC SC B2 B1 B1 B2 B2 B2 B2
CLOUDS(%) 13 5 17 28 23 12 15 10 11 34 41 41 37 49 71 62 59 70 87 76 70
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 10 0 5
FLURRIES SC SC SC SC SC
SNOW S
MIX HGT 2 2 2 2 2 4 4 5 2 3 3 3 2 3 4 5 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW NW W SW S
T WIND SPD 40 41 37 36 34 39 34 35 33 33 29 27 21 13 10 9 10
DISPERSION GD GD GD GD FR FR PR PR VP VP VP VP
ADI 54 56 42 49 74106100105 22 22 40 19 56 52 52 49 5
MAX LVORI 1 1 1 1 1 1 1 1 2 2 1 2 1 1 1 1 2
STABILITY D D D D D D D D E E D E B B B B F
CEILING None None None None None None None 9300 8400
STA PRES 28.01 27.99 28.05 28.08 28.13 28.12 28.15 28.06
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 57 42 57 38 55 34 59 39 61
TEMP 55 51 45 44 53 55 46 39 53 46 38 36 56 50 43 41 58 52
DEWPT 32 35 38 41 48 47 39 32 32 31 30 30 37 37 36 35 39 37
RH 41 54 76 89 83 74 76 76 44 55 73 79 49 61 76 79 49 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B2 OV B2 B2 B1 SC FW FW FW SC FW FW SC B1 B1
POP 12HR 0 30 70 80 20 10 10 20 20
RAIN C C C S S S S
RAIN SHWRS NM O
$$
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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