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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Wed Feb 4 2026
VAZ046-042100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1231 PM 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 35 23 38 18 41
TEMP 35 34 32 31 28 25 23 29 36 37 30 25 23 20 19 31 39 40 37
DEWPT 27 27 26 25 21 19 17 18 18 18 18 17 16 14 14 18 20 26 28
MAX/MIN RH 72 80 44 83 46
RH 72 75 78 78 75 78 77 63 47 46 60 71 74 77 80 58 46 57 70
WIND DIR NE NE NE NE NE NE NE NE NE N NE NE NW W SW SW SW SW W
WIND SPD 8 6 5 6 6 6 4 5 5 3 2 2 2 2 3 5 9 8 5
WIND GUST 16
CLOUDS OV OV OV B2 B2 B1 SC FW FW FW SC SC SC SC SC SC B1 B2 B1
CLOUDS(%) 100100100 82 82 55 42 23 7 9 27 45 47 28 27 40 57 77 56
VSBY 9 7 4 6 6 7 9 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 30 5 0 40
RAIN S
SNOW S C S C C
MIX HGT 2 2 2 2 1 1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NE NE NE NE NE N N N N N NE NE W SW SW SW SW SW W
T WIND SPD 13 13 12 19 18 16 12 14 10 9 2 1 1 2 8 10 16 18 14
DISPERSION PR PR PR PR VP VP VP VP PR
ADI 24 25 8 13 12 11 15 38 35 35 1 1 1 1 8 26 39 33 10
MAX LVORI 3 3 4 4 4 4 4 1 1 1 3 4 4 4 4 2 1 1 3
STABILITY D D E E E E B B B B G F F G B B D D E
CEILING 2700 3200 None None None None None None 3800
STA PRES 29.42 29.42 29.38 29.37 29.27 29.27 29.21 29.11 28.98
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 23 38 15 38 20 44 25 50
TEMP 32 24 35 29 18 16 33 33 26 21 39 36 29 27 46 41
DEWPT 23 12 7 7 6 6 10 16 17 15 21 23 22 21 27 29
RH 69 60 30 39 59 64 38 49 68 77 48 59 75 78 47 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL CL FW SC B1 B1 SC SC SC SC SC B1 B1 SC
POP 12HR 5 0 0 10 5 5 5 5
$$
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