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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Nov 22 2025
NCZ005-222100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
701 AM EST Sat Nov 22 2025
Date Sat 11/22/25 Sun 11/23/25 Mon 11/24/25
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 74 48 67 35 62
TEMP 67 73 72 61 55 52 49 48 57 65 66 57 47 43 39 36 54 61 60 49
DEWPT 61 58 55 55 53 52 49 47 47 41 40 39 37 36 35 33 34 31 31 33
MAX/MIN RH 55 100 37 93 30
RH 81 59 55 81 93100100 96 69 41 38 51 68 76 85 89 46 32 33 54
WIND DIR W W NW N NE NE N N NW W NW NW NW NW N N NE SE SE SE
WIND SPD 6 6 4 3 3 2 2 2 3 5 5 3 2 2 2 2 3 4 3 2
CLOUDS B2 SC FW SC SC B2 B1 SC FW CL CL CL CL CL CL FW CL FW FW SC
CLOUDS(%) 83 35 22 38 38 83 56 39 12 5 3 4 2 5 5 6 3 13 19 34
VSBY 9 10 10 10 10 7 6 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 10 0 0 0
Obvis PF
MIX HGT 1 4 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W W W N N NE N N NW W NW NW NW W NW NW N SE SE SE
T WIND SPD 11 5 8 4 12 9 8 2 6 10 18 14 5 2 3 3 3 2 5 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 16 20 22 2 6 4 4 2 18 36 61 7 3 1 2 4 6 7 16 2
MAX LVORI 3 2 2 4 6 9 9 9 3 1 1 2 3 4 6 6 2 2 2 2
STABILITY D C C G G F F B B C C G G G G B B C B G
CEILING 2600 None None None None None None None None None
STA PRES 29.18 29.18 29.26 29.29 29.35 29.32 29.42 29.47 29.53 29.48
Date Tue 11/25/25Wed 11/26/25Thu 11/27/25Fri 11/28/25
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 40 61 52 69 41 55 30 50
TEMP 43 42 58 56 54 56 67 60 49 41 52 46 35 30 49 42
DEWPT 34 36 47 52 54 56 56 47 38 32 25 24 22 21 19 22
RH 70 79 67 86100100 68 62 66 70 35 42 59 69 30 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B2 OV B2 B2 B1 B1 B1 SC SC SC FW FW FW FW
POP 12HR 0 30 70 40 30 5 5 5
RAIN S C L L
RAIN SHWRS SC IS SC IS
$$
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