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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Sun Feb 8 2026
NCZ005-082100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
631 AM EST Sun Feb 8 2026
Date Sun 02/08/26 Mon 02/09/26 Tue 02/10/26
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 18 43 28 61
TEMP 15 24 31 35 30 25 23 19 18 28 39 43 37 32 31 29 31 43 57 60 53
DEWPT 2 2 4 9 12 11 10 8 8 8 11 15 18 19 20 22 25 30 35 38 39
MAX/MIN RH 30 65 30 80 42
RH 55 38 31 33 46 55 57 61 64 42 31 32 46 58 63 75 78 60 43 44 59
WIND DIR NW NW NW NW NW N NE NE E SE SW SW S SW SW SW SW SW SW SW SW
WIND SPD 4 5 4 3 1 2 2 2 1 2 3 3 2 2 3 4 4 5 6 6 5
CLOUDS B1 OV OV B1 FW FW FW FW SC FW FW SC SC SC SC FW FW FW SC SC B1
CLOUDS(%) 67 94 93 60 16 12 10 16 28 21 23 30 30 37 29 23 21 16 26 47 57
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 0 0 0 0
SNOW S
MIX HGT <1 1 1 2 <1 <1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1 <1 2 2 <1
T WIND DIR NW NW NW W SW NW N N E S SW SW SW SW SW SW SW SW SW SW SW
T WIND SPD 10 6 6 9 2 2 3 3 2 2 6 10 4 4 4 4 5 12 10 12 6
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 8 10 11 19 1 1 2 2 2 2 18 32 2 2 2 2 6 13 25 29 5
MAX LVORI 2 2 2 2 2 2 3 3 3 2 2 1 2 3 3 3 4 2 2 2 3
STABILITY C C D C G G G G A B B B G G G F B B B B E
CEILING 8800 None None None None None None None None None
STA PRES 29.63 29.55 29.59 29.59 29.59 29.50 29.50 29.44 29.41 29.29
Date Wed 02/11/26Thu 02/12/26Fri 02/13/26Sat 02/14/26
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 59 33 51 31 47 27 46
TEMP 47 42 57 50 39 33 48 44 36 31 43 40 33 28 43 40
DEWPT 41 37 36 34 29 27 25 26 27 26 26 25 24 23 23 24
RH 79 82 45 54 67 78 40 49 69 81 51 55 69 81 45 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B1 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B1
POP 12HR 5 30 10 20 40 40 30 40
RAIN C C S S C C C C C C
SNOW C C 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