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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Sat Feb 7 2026
NCZ003-080900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 PM EST Sat Feb 7 2026
Date 02/07/26 Sun 02/08/26 Mon 02/09/26 Tue
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 14 38 18 44 28
TEMP 30 23 19 17 15 16 24 34 37 31 25 23 21 21 29 39 43 37 33 31 31 34
DEWPT 5 3 3 2 2 2 6 12 18 18 17 16 16 17 18 20 23 24 25 27 29 31
MIN/MAX RH 58 40 85 42 94
RH 34 41 49 51 55 53 45 39 46 58 71 74 81 84 63 46 45 59 72 85 92 89
WIND DIR NW W W W W W NW NW NW N N N N N S S S N N N W W
WIND SPD 12 6 4 2 1 1 1 2 2 0 0 0 0 0 1 2 2 0 0 0 1 1
WIND GUST 23 18 12
CLOUDS CL FW FW FW FW SC OV OV B1 FW SC FW SC SC SC SC SC SC FW FW SC FW
CLOUDS(%) 1 16 17 20 22 50100100 67 22 30 18 27 29 27 29 27 28 16 21 27 23
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 0 0 0
FLURRIES SC SC SC
MIX HGT 4 3 2 2 1 1 2 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW NW NW NW NW NW NW NW NW NW N NW NW SW SW SW SW
T WIND SPD 28 26 21 17 12 11 9 10 10 5 5 3 2 2 4 4 5 5
DISPERSION PR VP VP VP VP VP VP VP VP VP VP VP
ADI 76 18 10 8 6 15 16 21 28 3 3 2 1 2 7 11 15 3
MAX LVORI 1 2 2 2 3 2 2 2 2 3 3 4 5 5 3 2 2 3
STABILITY D E F G G A D D C G G G G A A B B G
CEILING None None 7200 3200 None None None None None
STA PRES 28.26 28.30 28.35 28.32 28.34 28.34 28.33 28.26
Date 02/10Wed 02/11/26Thu 02/12/26Fri 02/13/26Sat 02/14/26
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 62 44 60 36 48 32 46 27 45
TEMP 60 51 49 45 57 51 40 36 45 43 38 33 42 39 32 27 40 38
DEWPT 43 43 44 43 44 40 35 33 34 34 33 30 31 27 25 24 24 25
RH 53 74 83 93 62 66 82 89 65 70 82 89 65 62 75 88 52 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B2 B2 B2 B1 B2 B2 OV OV OV B2 B1 B1 B2 B1 B2
POP 12HR 0 20 50 30 30 50 40 30 30
RAIN S C C S C C C C C C C C
RAIN SHWRS SC SC
SNOW C 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
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