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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
214 PM EST Thu Jan 1 2026
NCZ003-020900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
214 PM EST Thu Jan 1 2026
Date 01/01/26 Fri 01/02/26 Sat 01/03/26 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 32 56 38 45 32
TEMP 47 39 36 34 34 35 46 54 54 47 44 42 40 39 42 44 43 40 38 35 34 33
DEWPT 31 31 30 30 30 30 36 36 37 36 36 37 37 37 38 37 37 37 35 34 31 29
MIN/MAX RH 87 48 91 77 93
RH 53 73 79 85 85 82 68 50 52 65 73 82 89 92 86 76 79 89 89 96 89 85
WIND DIR W W W S SW NW W SW W N N N N N E E E N N N NW NW
WIND SPD 4 1 1 1 1 1 2 5 2 0 0 0 0 0 1 2 1 0 0 0 2 3
CLOUDS SC FW FW FW FW SC SC B2 B2 B2 B2 OV OV OV OV OV OV OV B2 B1 SC SC
CLOUDS(%) 31 18 7 11 16 43 49 78 84 78 86 95 92 91 94 94 93 90 72 65 45 31
VSBY 10 10 10 10 10 10 10 10 10 10 10 6 3 3 1 1 1 1 0 2 8 10
POP 12HR 0 0 40 70 20
RAIN C C L L L L S S
SNOW S
MIX HGT 4 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 1 1 1
T WIND DIR W W W SW W W NW NW NW NW NW NW N E SE E NE NE
T WIND SPD 16 9 5 3 3 5 21 16 8 6 6 4 1 2 4 3 4 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 57 4 3 2 2 6 45 52 22 3 3 2 1 2 6 5 7 2
MAX LVORI 1 3 4 5 6 4 1 1 2 3 3 5 7 7 5 4 4 6
STABILITY C G G G G B B C C F F F F C C C C F
CEILING None None 12600 16600 6000 600 400 800 1900
STA PRES 27.97 27.88 27.90 27.91 27.96 27.99 28.02 27.97
Date 01/04Mon 01/05/26Tue 01/06/26Wed 01/07/26Thu 01/08/26
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 51 28 50 33 58 43 62 42 60
TEMP 49 41 32 30 47 42 36 35 55 50 44 45 60 53 45 43 58 52
DEWPT 27 25 23 24 30 32 32 32 38 40 41 41 46 43 41 39 42 41
RH 42 52 69 78 51 67 85 89 53 68 89 86 60 69 86 86 55 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC B1 SC SC FW SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B1
POP 12HR 0 0 0 0 0 10 20 10 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