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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EST Wed Feb 11 2026
NCZ005-112100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 AM EST Wed Feb 11 2026
Date Wed 02/11/26 Thu 02/12/26 Fri 02/13/26
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 59 29 51 24 53
TEMP 56 59 55 46 38 35 31 29 39 48 50 43 36 32 28 26 38 48 51 43
DEWPT 41 29 24 23 22 22 22 20 19 18 17 19 19 19 19 19 19 19 18 21
MAX/MIN RH 29 72 27 78 26
RH 57 32 30 40 52 59 69 69 44 30 27 38 50 58 68 74 46 31 27 41
WIND DIR NW NW NW NW NW W W W NW NW NW NW N N N N NW NW NW W
WIND SPD 8 10 11 8 6 5 5 4 5 6 8 5 4 2 2 2 2 4 3 2
CLOUDS B2 SC FW FW SC SC FW FW FW SC SC B1 B1 SC SC SC SC FW FW CL
CLOUDS(%) 83 33 24 13 30 40 21 16 19 43 44 67 55 47 33 28 37 16 6 5
VSBY 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
RAIN
MIX HGT 1 3 4 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 2 3
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW N N N NW N NW
T WIND SPD 16 17 16 17 13 11 10 6 12 14 18 18 16 13 10 6 9 9
DISPERSION PR PR PR PR PR VP VP VP VP
ADI 22 57 58 12 6 5 5 7 46 79111 12 11 6 5 7 20 35
MAX LVORI 2 1 1 2 2 3 3 3 1 1 1 2 2 3 3 4 2 1
STABILITY D C C E F F F B B B B E E F G B B B
CEILING None None None None None None None None None
STA PRES 29.28 29.38 29.41 29.45 29.41 29.47 29.51 29.52
Date Sat 02/14/26Sun 02/15/26Mon 02/16/26Tue 02/17/26
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 28 58 37 47 38 55 37 59
TEMP 33 30 54 48 41 38 43 43 41 39 51 49 43 38 55 52
DEWPT 22 23 25 30 32 34 36 36 37 36 38 38 37 35 39 40
RH 63 75 32 49 70 85 76 76 85 89 61 66 79 89 55 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B1 B2 OV OV OV B2 B1 SC SC SC B2 B2 B2
POP 12HR 0 5 30 70 60 30 10 10
RAIN S C L L L 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