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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EDT Sun Oct 25 2026
NCZ003-252000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
531 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 65 41 70 41 72
TEMP 42 55 63 64 52 47 45 42 41 59 68 69 54 49 46 44 43 63 70 71 60
DEWPT 42 44 45 44 47 45 45 42 41 41 40 37 43 43 43 42 41 47 46 46 49
MAX/MIN RH 48 100 31 97 39
RH 100 66 52 48 83 93100100100 51 36 31 66 80 89 93 93 56 42 41 67
WIND DIR NE NE NE NE NE NE NE NE N NW N N N NW NW N N NE E E NE
WIND SPD 6 6 5 4 3 4 4 3 2 1 0 0 0 2 3 3 3 3 4 3 3
CLOUDS SC SC FW CL CL CL CL FW FW FW CL CL CL FW FW FW FW FW FW FW FW
CLOUDS(%) 39 27 13 5 3 2 4 16 12 9 3 2 3 9 7 12 8 7 12 7 12
VSBY 10 10 10 10 10 10 10 8 2 6 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 2 4 4 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR NE NE NE NE NE N N N NW NW NW SW W NW NW N N NE NE NE NE
T WIND SPD 9 8 6 6 3 3 3 3 2 1 1 2 2 2 3 3 3 12 10 11 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 10 22 34 32 2 2 2 2 2 2 4 7 1 1 2 2 4 29 46 48 2
MAX LVORI 8 3 1 1 5 7 10 10 9 2 2 2 3 5 7 7 6 2 1 1 3
STABILITY B B B B G F F G B 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 29.47 29.38 29.35 29.32 29.29 29.19 29.18 29.17 29.21 29.19
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 67 47 72 47 76 51 73
TEMP 49 47 65 57 50 48 69 60 50 48 73 63 53 52 71 63
DEWPT 48 47 50 51 49 48 53 53 49 47 51 52 49 49 53 54
RH 96100 58 80 96100 57 78 96 96 46 67 86 89 53 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC B1 B1 B2 B1 SC FW FW FW FW FW SC B1 B1 B1
POP 12HR 0 0 0 0 0 0 0 5
$$
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