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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EST Fri Feb 6 2026
NCZ006-070900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
231 AM EST Fri Feb 6 2026
Date 02/05/26 Fri 02/06/26 Sat 02/07/26 Sun
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 20 45 22 29 15
TEMP 22 21 34 43 43 39 36 33 29 22 25 28 29 23 20 18 16 16
DEWPT 20 19 23 24 29 33 29 25 21 10 5 2 0 1 0 1 1 2
MIN/MAX RH 95 46 79 25 53
RH 92 92 64 47 57 79 75 72 72 59 42 32 28 38 41 46 51 53
WIND DIR W SW SW SW SW W NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 1 1 2 5 5 2 5 5 10 14 17 16 14 9 5 3 3 3
WIND GUST 12 16 17 27 35 36 31 29 19 16
CLOUDS FW B1 B1 B1 OV B2 FW FW FW FW CL CL CL CL CL FW FW SC
CLOUDS(%) 11 52 51 60 91 86 13 7 24 7 4 4 3 3 3 8 16 48
VSBY 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 50 5 0 0
RAIN SHWRS SC
SNOW S
MIX HGT <1 <1 1 3 2 <1 3 4 4 3 3 4 4 4 3 2 1 <1
T WIND DIR W SW SW SW SW SW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 2 2 8 16 13 9 12 12 12 40 39 41 35 28 21 16 12 11
DISPERSION VP VP PR PR FR PR PR VP VP
ADI 1 2 12 35 25 4 6 6 8102100114100 19 10 7 6 14
MAX LVORI 7 6 2 1 2 4 4 3 3 1 1 1 1 2 2 2 2 2
STABILITY G B C D D F F F E D D D D E F G G B
CEILING None 2500 None None None None None None
STA PRES 29.13 28.99 29.05 29.17 29.41 29.52 29.66 29.71
Date 02/08Mon 02/09/26Tue 02/10/26Wed 02/11/26Thu 02/12/26
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 36 22 48 27 59 40 62 36 53
TEMP 33 31 26 25 44 40 33 29 56 50 44 43 59 54 44 37 50 45
DEWPT 3 10 14 17 20 24 26 27 33 36 39 39 43 40 37 34 31 28
RH 27 41 60 71 38 52 75 92 42 58 82 86 55 59 76 89 48 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B1 SC FW SC B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR 20 5 0 0 5 20 40 20 20
RAIN S C C S S S
SNOW 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
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