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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sat Oct 24 2026
NCZ001-250800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
231 PM EDT Sat Oct 24 2026
Date 10/24/26 Sun 10/25/26 Mon 10/26/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 35 54 40 60 44
TEMP 55 47 43 40 38 36 46 52 53 48 45 44 42 42 51 57 59 49 47 47 45 45
DEWPT 41 40 36 36 37 36 39 37 38 41 39 38 37 34 37 36 37 42 39 38 36 33
MIN/MAX RH 100 55 83 42 78
RH 59 76 76 85 96100 76 56 57 77 79 79 82 73 59 45 44 77 74 71 70 62
WIND DIR E E E E E E E SE SE SE SE S NW NW NW N N NW NW NW NW NW
WIND SPD 5 4 6 6 5 4 4 4 4 2 3 2 2 3 1 0 0 2 4 4 3 2
CLOUDS FW FW FW SC B1 B1 SC FW FW CL FW FW FW CL FW CL CL FW FW FW FW CL
CLOUDS(%) 11 13 8 29 63 54 38 15 10 5 22 25 12 2 6 1 1 10 15 11 9 3
VSBY 10 10 10 10 8 5 9 10 10 10 8 1 0 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF
MIX HGT 2 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1
T WIND DIR E E E E SE SE SE E NE E SE SE NW NW N N NW NW NW NW NW NW
T WIND SPD 2 5 4 4 9 6 5 2 2 4 6 2 2 4 4 2 4 3 6 6 6 6
DISPERSION VP PR PR PR VP VP VP VP VP VP VP VP
ADI 7 3 2 2 6 8 12 7 7 2 3 1 1 5 8 8 13 2
MAX LVORI 3 4 4 5 6 8 4 3 3 4 4 5 5 4 2 2 2 4
STABILITY B F F F E D B B B G G G G B A A A G
CEILING None None None None None None None None None None
STA PRES 27.03 27.08 27.08 27.12 27.04 27.03 26.99 26.97 26.91
Date 10/27Wed 10/28/26Thu 10/29/26Fri 10/30/26Sat 10/31/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 62 45 57 45 62 46 65 49 62
TEMP 62 52 48 46 55 51 47 46 60 53 48 47 63 56 51 50 60 56
DEWPT 40 44 42 42 46 46 43 42 46 46 43 42 46 48 46 45 50 50
RH 44 74 80 86 72 83 86 86 60 77 83 83 54 74 83 83 69 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW SC B1 B1 B1 B1 SC FW FW FW FW FW FW SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 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