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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Feb 4 2026
VAZ018-042100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 AM EST Wed Feb 4 2026
Date Wed 02/04/26 Thu 02/05/26 Fri 02/06/26
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 37 24 38 18 39
TEMP 35 37 36 32 31 28 26 24 28 35 37 29 23 21 19 19 28 37 39 35
DEWPT 31 32 31 28 27 25 23 20 20 20 19 14 13 12 11 11 17 26 28 26
MAX/MIN RH 81 90 47 71 62
RH 85 82 82 85 85 88 88 84 71 54 48 53 65 68 70 70 63 64 64 69
WIND DIR E E E E E NE NW NW NW NW NW NW NW W W W W W W W
WIND SPD 2 2 2 1 1 1 1 2 2 2 3 3 2 3 3 3 4 6 8 10
WIND GUST 13 17 14 14 16 16 18 21 28 36
CLOUDS B2 OV OV OV OV OV B2 B1 SC FW SC B1 B1 SC SC SC B1 B2 B2 B2
CLOUDS(%) 85 93 95 94 95 90 78 63 40 16 27 61 62 36 30 48 66 80 77 71
VSBY 1 2 2 1 1 0 0 0 6 9 9 10 9 9 10 10 9 9 7 8
POP 12HR 60 60 0 0 60
RAIN S
SNOW L L C S S S L L C
MIX HGT <1 <1 <1 1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR E E E E NE NE N NW NW NW NW NW NW NW W W W W W NW
T WIND SPD 6 6 6 8 9 8 6 8 9 8 11 16 10 11 12 9 13 21 39 36
DISPERSION VP VP VP VP VP VP VP VP FR
ADI 7 8 6 4 4 4 3 6 17 23 28 7 5 5 6 10 25 48 72 33
MAX LVORI 5 4 4 6 5 6 6 4 3 2 2 2 3 3 3 3 2 1 1 3
STABILITY C C C F F F F C B B B F F G G B D D D D
CEILING 100 300 0 1100 None None None None 3800 2100
STA PRES 27.84 27.79 27.79 27.75 27.75 27.67 27.67 27.59 27.49 27.42
Date Sat 02/07/26Sun 02/08/26Mon 02/09/26Tue 02/10/26
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 21 30 13 38 23 44 28 51
TEMP 31 22 29 18 14 14 34 30 25 23 41 36 31 30 49 39
DEWPT 22 11 8 5 5 6 15 19 18 18 25 25 23 23 32 29
RH 69 62 40 56 67 70 45 63 74 81 52 64 72 75 52 67
WIND SPD 15> 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW FW SC B1 B1 B1 B1 SC SC B1 B1 B1 SC
POP 12HR 30 0 0 10 10 5 5 5
SNOW C 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