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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Wed Feb 25 2026
VAZ024-260900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
202 AM EST Wed Feb 25 2026
Date 02/24/26 Wed 02/25/26 Thu 02/26/26 Fri
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 34 53 42 53 38
TEMP 38 38 46 52 53 50 46 45 43 42 46 50 53 49 45 42 40 38
DEWPT 22 25 33 35 35 36 37 37 39 39 43 44 42 40 38 37 37 36
MIN/MAX RH 61 50 92 66 92
RH 52 59 60 52 50 58 71 73 86 89 89 80 66 71 76 82 89 92
WIND DIR SW SW SW W W W SW SW SW SW NW W W NW NW N N N
WIND SPD 4 5 8 10 8 4 3 2 2 1 2 2 2 1 1 1 1 1
WIND GUST 17 18 23 24 24 17
CLOUDS OV B2 B2 B1 SC B1 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
CLOUDS(%) 88 82 72 64 47 60 47 67 78 86 87 81 71 63 60 61 69 68
VSBY 10 10 10 10 10 10 10 9 10 6 6 6 6 7 7 7 7 10
POP 12HR 10 10 30 70 30
RAIN S L L C C C C S S
MIX HGT <1 1 3 4 4 <1 <1 <1 <1 <1 1 2 3 <1 <1 <1 <1 <1
T WIND DIR SW SW W W W W W W SW W S N N N N N NW N
T WIND SPD 8 6 21 23 27 10 10 5 4 2 1 2 2 2 1 1 1 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 5 10 54 66124 7 5 3 2 2 2 6 7 1 1 1 1 1
MAX LVORI 2 2 1 1 1 3 3 4 5 6 6 4 3 3 4 6 6 7
STABILITY E D D D B E F F F C C C C F F F F C
CEILING 3600 3800 7300 11700 1600 1500 1200 200
STA PRES 28.23 28.22 28.32 28.37 28.40 28.36 28.44 28.50
Date 02/27Sat 02/28/26Sun 03/01/26Mon 03/02/26Tue 03/03/26
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 54 37 66 40 61 36 49 32 44
TEMP 52 49 41 38 63 57 45 41 61 50 40 36 45 46 39 33 41 41
DEWPT 39 37 36 35 40 40 37 36 37 32 30 29 30 31 31 28 28 29
RH 61 63 82 89 43 53 73 82 41 50 67 75 55 55 73 82 59 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC CL CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 10 5 0 0 5 20 50 40 40
RAIN S C C C C C C
SNOW S 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