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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Feb 23 2026
VAZ046-232100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
701 AM EST Mon Feb 23 2026
Date Mon 02/23/26 Tue 02/24/26 Wed 02/25/26
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 44 23 44 32 58
TEMP 34 40 42 37 34 30 28 24 33 39 43 39 37 36 35 33 45 53 58 52
DEWPT 18 17 16 15 14 13 12 12 11 11 13 15 17 19 22 24 29 32 32 32
MAX/MIN RH 35 59 29 69 38
RH 51 39 34 40 43 49 50 60 39 31 29 37 44 50 59 69 53 44 37 46
WIND DIR NW NW NW NW NW NW W W W W W S S SW SW SW SW SW W W
WIND SPD 12 12 11 9 9 6 5 4 6 8 6 5 9 11 13 13 13 13 12 8
WIND GUST 28 27 26 21 20 19 17 14 17 20 24 27 26 28 29 26 19
CLOUDS B2 B2 B1 SC FW FW CL FW FW B1 B2 B1 B2 B2 OV B2 B1 SC FW FW
CLOUDS(%) 74 71 66 39 11 10 5 8 14 53 76 66 72 81 88 79 53 41 24 16
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 5 5
MIX HGT 4 6 4 <1 <1 2 2 2 3 4 3 <1 <1 1 <1 1 4 7 7 1
T WIND DIR NW NW NW NW NW NW NW NW W W W S SW SW SW SW SW SW SW SW
T WIND SPD 28 26 26 28 17 16 14 12 12 12 14 4 10 20 21 18 23 21 24 8
DISPERSION PR PR PR PR PR PR FR FR PR
ADI 80 86 76 19 12 7 7 27 46 44 49 3 9 23 20 28 63 75116 5
MAX LVORI 1 1 1 2 2 2 2 2 1 1 1 2 2 2 2 3 1 1 1 2
STABILITY D D D E E F F B B C C E D D D D D D C E
CEILING 10200 8600 None None None 10100 8000 7800 None None
STA PRES 29.18 29.21 29.31 29.35 29.38 29.28 29.20 29.10 29.09 29.10
Date Thu 02/26/26Fri 02/27/26Sat 02/28/26Sun 03/01/26
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 42 57 41 56 35 62 41 64
TEMP 48 43 54 51 47 42 53 48 43 37 56 54 47 42 59 55
DEWPT 32 36 45 45 42 35 33 32 30 30 36 36 35 35 40 37
RH 54 76 71 80 83 76 46 54 60 75 47 50 63 76 49 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B2 B2 B2 B1 SC FW FW FW FW FW FW SC SC SC
POP 12HR 10 80 70 20 5 5 5 20
RAIN L D L C S S
$$
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