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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EST Tue Feb 24 2026
VAZ024-250900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
101 AM EST Tue Feb 24 2026
Date 02/23/26 Tue 02/24/26 Wed 02/25/26 Thu
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 43 35 56 41
TEMP 25 24 31 39 43 38 36 37 38 39 47 54 55 50 47 44 43 42
DEWPT 11 10 10 11 12 15 17 19 22 26 32 34 33 34 35 35 37 38
MIN/MAX RH 56 27 59 43 85
RH 55 54 41 31 28 38 45 48 52 59 56 46 43 54 63 70 79 86
WIND DIR NW NW W W W S S SW SW SW SW W W W W SW SW S
WIND SPD 6 5 5 5 4 2 3 3 4 5 9 10 8 3 2 2 2 2
WIND GUST 21 17 16 13 16 17 23 25 24 16 12
CLOUDS FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 SC SC SC SC B1 B2 B2
CLOUDS(%) 13 8 34 63 55 67 73 85 83 75 73 49 33 28 33 66 82 81
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 5 10 30
RAIN S L
MIX HGT 2 2 3 3 4 <1 1 1 1 2 4 5 5 1
T WIND DIR NW NW NW W W SW S SW SW SW W W W W
T WIND SPD 24 20 14 12 13 9 10 9 9 9 24 26 27 10
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 11 56 56 43 49 4 5 4 6 15 70106156 5
MAX LVORI 2 1 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY F B B C C F F F E D D C B G
CEILING None None 10200 6300 7000 4400 None None
STA PRES 28.52 28.55 28.45 28.35 28.26 28.24 28.25
Date 02/26Fri 02/27/26Sat 02/28/26Sun 03/01/26Mon 03/02/26
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 40 57 33 64 39 64 35 47
TEMP 50 50 46 41 54 48 38 35 60 53 44 40 61 52 41 36 44 43
DEWPT 44 42 39 36 34 33 31 31 38 38 37 35 39 37 32 30 31 31
RH 80 74 76 82 46 56 76 85 44 57 76 82 44 56 70 79 60 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 FW CL FW FW FW CL FW FW SC SC B1 B2 B2 B2
POP 12HR 80 50 10 5 5 5 10 30 40
RAIN L C C S C C C
RAIN SHWRS 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