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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Sun Oct 25 2026
NCZ005-252000-
RAWS 310540
36.38N 79.70W Elev. 858 ft
301 AM EDT Sun Oct 25 2026
Date Sun 10/25/26 Mon 10/26/26 Tue 10/27/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 67 40 70 40 73
TEMP 44 41 55 64 66 53 48 45 42 41 59 69 70 54 47 44 42 42 62 71 72 60
DEWPT 41 41 44 46 46 47 46 45 42 40 44 40 37 40 40 43 42 41 49 49 48 51
MAX/MIN RH 48 100 30 100 41
RH 89100 66 52 48 80 93100100 96 57 35 30 59 76 96100 96 62 46 42 72
WIND DIR N N NE NE NE NE NE N N N N NW N N W W NW N NE NE NE NE
WIND SPD 4 5 6 6 5 3 2 1 2 1 1 1 0 0 1 1 1 2 3 5 4 2
CLOUDS SC SC SC SC CL CL CL CL FW FW CL CL CL CL CL FW FW FW FW FW FW FW
CLOUDS(%) 26 46 35 29 4 2 4 3 16 24 2 3 2 2 3 6 7 7 7 8 10 10
VSBY 9 9 10 10 10 10 10 10 9 0 5 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 2 4 4 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NE N NE NE NE N N N NW NW NW N W SW W NW N N NE NE NE E
T WIND SPD 6 9 11 9 9 4 2 3 2 2 1 3 2 2 2 2 3 3 14 11 12 13
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 3 10 27 45 45 2 1 2 1 2 3 13 8 1 1 1 2 4 30 54 58 6
MAX LVORI 6 8 3 1 1 5 7 10 10 9 3 2 2 3 4 8 10 9 2 1 1 3
STABILITY F B B B B G G G G A A A A G G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 29.79 29.71 29.67 29.65 29.62 29.52 29.51 29.50 29.53 29.51
Date Wed 10/28/26Thu 10/29/26Fri 10/30/26Sat 10/31/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 46 68 47 72 47 76 49 74
TEMP 49 46 66 58 50 48 70 61 50 48 74 64 53 50 72 64
DEWPT 49 46 52 52 50 48 55 54 50 47 54 53 51 49 54 55
RH 100100 61 80100100 59 78100 96 50 67 93 96 53 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 B2 B1 B1 FW FW FW FW FW FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 0
$$
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