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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 AM EST Thu Nov 6 2025
NCZ001-062100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
601 AM EST Thu Nov 6 2025
Date Thu 11/06/25 Fri 11/07/25 Sat 11/08/25
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 54 37 55 47 58
TEMP 39 43 52 51 41 40 40 39 39 46 54 51 47 48 49 50 49 51 56 54 48
DEWPT 17 14 17 21 29 26 23 26 30 37 42 44 44 45 47 48 47 47 45 46 46
MAX/MIN RH 23 72 57 94 65
RH 40 30 25 30 62 57 50 59 70 71 64 77 89 89 93 93 93 86 66 74 93
WIND DIR NW N NW S S S S S SW S S S S SW W W W W W W SW
WIND SPD 13 5 2 2 4 6 10 11 11 12 12 11 11 13 16 13 10 6 8 6 5
CLOUDS FW CL FW CL CL CL CL CL FW SC B1 B1 B2 B2 B1 B1 B2 SC SC SC B1
CLOUDS(%) 7 3 6 3 3 5 2 2 6 37 52 57 74 74 67 67 73 46 45 33 55
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 4 2 1 10 10 10 10
POP 12HR 0 0 5 60 20
RAIN L L C C S S C
MIX HGT <1 <1 2 2 <1 <1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW N NW SW S S S S S S SW SW S SW SW W W W SW SW S
T WIND SPD 11 11 8 3 5 4 6 8 8 13 20 16 6 8 5 5 5 8 8 4 4
DISPERSION VP PR FR FR FR FR GD FR PR
ADI 13 14 24 9 3 2 5 5 6 16 36 23 6 7 5 5 6 17 32 13 3
MAX LVORI 2 2 2 2 3 3 2 3 3 3 3 3 5 5 6 6 6 4 3 3 6
STABILITY D B B B F F E E C C D D D D D D D B B B E
CEILING None None None None None 300 200 200 None None
STA PRES 26.82 26.79 26.76 26.70 26.65 26.54 26.51 26.50 26.53 26.53
Date Sun 11/09/25Mon 11/10/25Tue 11/11/25Wed 11/12/25
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 45 50 19 24 19 35 28 46
TEMP 49 49 46 35 29 20 22 20 21 19 31 28 32 33 44 38
DEWPT 47 46 39 31 24 15 13 12 13 11 15 17 17 18 28 30
RH 93 89 76 85 81 81 68 71 71 70 51 63 53 53 53 73
WIND SPD <15 15> 15> 15> 15> 15> 15> 15>
AVG CLOUDS B1 B1 B1 B1 B2 B1 B1 SC SC FW FW FW FW SC FW SC
POP 12HR 50 20 30 20 5 0 0 0
RAIN C C S S C
SNOW C 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