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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Thu Feb 5 2026
NCZ003-052100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1231 PM EST Thu Feb 5 2026
Date Thu 02/05/26 Fri 02/06/26 Sat 02/07/26
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 40 21 45 22 32
TEMP 37 39 34 28 27 24 23 33 42 44 39 35 33 28 23 24 29 31 25
DEWPT 25 23 23 21 21 19 18 23 28 31 30 27 24 21 13 8 5 4 4
MAX/MIN RH 52 84 58 72 31
RH 61 52 64 75 78 81 81 66 57 60 70 72 69 75 65 50 35 31 40
WIND DIR N NW NW NW W W W W W W NW NW NW NW NW NW NW NW NW
WIND SPD 3 4 1 1 1 1 1 2 5 6 6 10 13 18 20 19 16 13 8
WIND GUST 20 23 34 40 46 48 44 36 33 28
CLOUDS SC SC B2 B1 B2 SC SC B1 B2 B2 B1 B1 B1 SC SC FW CL CL CL
CLOUDS(%) 49 45 73 67 75 31 49 58 73 79 51 55 53 47 31 8 5 4 5
VSBY 10 10 10 8 8 7 6 10 10 10 9 10 10 10 10 10 10 10 10
POP 12HR 5 5 30 20 0
RAIN C C
SNOW C
SNOWSHWRS IS IS
MIX HGT 2 2 1 1 <1 <1 <1 2 4 3 3 4 4 4 4 3 4 4 3
T WIND DIR NW NW NW NW NW NW NW W W W NW NW NW NW NW NW NW NW NW
T WIND SPD 5 8 6 9 8 5 5 4 16 23 12 19 31 40 44 42 33 27 24
DISPERSION VP VP VP VP PR FR FR GD PR
ADI 16 23 3 4 4 3 6 10 46 55 8 26 42 54120108 87 72 16
MAX LVORI 2 2 3 4 5 5 4 3 1 1 3 3 1 3 1 1 1 1 2
STABILITY A B F F F G A C D D E D D D D D D D E
CEILING None 14200 None 4400 2300 None None None None
STA PRES 27.98 27.98 27.93 27.87 27.80 27.85 27.93 28.12 28.25
Date Sun 02/08/26Mon 02/09/26Tue 02/10/26Wed 02/11/26
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 15 40 26 54 34 59 40 59
TEMP 18 18 36 34 28 30 50 45 37 37 55 50 45 43 58 49
DEWPT 3 5 10 19 21 25 31 33 33 34 41 40 39 40 43 40
RH 51 56 33 54 75 81 48 62 85 89 59 68 79 89 57 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B2 B1 B1 B2 B1 SC FW FW SC SC B1 OV B2 B1
POP 12HR 0 0 0 0 0 5 20 20
RAIN S S 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