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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Oct 26 2026
NCZ003-270800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
401 PM EDT Mon Oct 26 2026
Date 10/26/26 Tue 10/27/26 Wed 10/28/26 Thu
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 43 72 48 68 51
TEMP 68 54 50 47 45 44 63 70 70 57 52 49 48 48 58 65 67 59 54 53 52 52
DEWPT 44 45 44 43 45 44 45 46 47 47 49 48 48 48 53 53 52 54 54 53 51 49
MIN/MAX RH 100 40 100 59 100
RH 42 71 80 86100100 52 42 44 69 89 96100100 83 65 59 83100100 96 89
WIND DIR N N NW N N NE NE E E E NE NE NE NE NE E E E NE NE N NE
WIND SPD 0 0 2 3 3 3 3 4 3 3 3 4 4 4 4 4 3 3 3 3 3 2
CLOUDS CL FW CL FW FW FW FW CL FW FW FW SC B1 B1 B1 B1 B1 B2 B1 B1 B2 B1
CLOUDS(%) 1 21 3 24 15 14 6 5 20 16 13 32 63 63 51 51 53 71 69 65 77 67
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 9 5
POP 12HR 0 0 0 0 0
MIX HGT 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N S W NW N N E E E NE NE E E E E E E SE
T WIND SPD 2 1 2 2 3 3 6 5 5 3 3 4 8 6 6 5 6 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 1 1 1 2 4 14 25 23 2 2 2 5 8 19 14 24 4
MAX LVORI 2 4 5 6 10 9 2 2 2 3 7 8 9 8 3 2 2 5
STABILITY A G G G G B B B B G G F E D B D C F
CEILING None None None None None 10200 None 2900 1500
STA PRES 29.19 29.19 29.24 29.21 29.26 29.29 29.33 29.29
Date 10/29Fri 10/30/26Sat 10/31/26Sun 11/01/26Mon 11/02/26
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 72 48 77 52 72 53 68 54 72
TEMP 69 62 52 49 74 64 54 53 69 62 55 54 65 61 56 55 69 63
DEWPT 53 57 52 49 52 54 51 50 55 55 53 53 58 58 56 55 60 60
RH 57 84100100 46 70 90 89 61 78 93 96 78 90100100 73 90
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 0 0 0 0 0 20 40 40 20
RAIN SHWRS IS SC SC SC 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