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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 PM EDT Fri Oct 23 2026
NCZ006-232000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
101 PM EDT Fri Oct 23 2026
Date Fri 10/23/26 Sat 10/24/26 Sun 10/25/26
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 69 41 65 41 69
TEMP 66 67 57 52 48 45 43 55 62 63 55 50 47 45 44 57 66 68 57
DEWPT 42 42 46 46 45 43 42 45 44 44 45 45 44 43 43 51 52 51 52
MAX/MIN RH 39 97 49 100 53
RH 42 40 67 80 89 93 96 69 52 50 69 83 89 93 96 80 61 54 83
WIND DIR NE NE NE NE NE NE N NE NE NE NE NE NE NE N NE NE NE NE
WIND SPD 8 8 2 5 4 4 5 6 6 8 4 4 3 4 5 6 5 5 2
CLOUDS CL CL CL FW FW FW SC SC FW FW FW FW FW SC SC SC FW FW FW
CLOUDS(%) 0 0 1 18 9 7 26 43 13 10 10 12 8 33 45 37 11 13 11
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 4 4 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NE NE NE NE NE NE N NE E E NE E NE NE NE NE NE NE NE
T WIND SPD 12 12 10 10 9 9 10 12 10 10 9 9 8 9 9 11 9 9 8
DISPERSION VP PR VP VP VP VP VP VP VP
ADI 60 61 5 5 4 4 11 49 51 54 4 4 4 4 10 38 46 48 4
MAX LVORI 1 1 3 4 6 9 6 1 1 1 3 6 9 9 8 3 1 1 5
STABILITY B B G G G G B B B B G G G G B B B B G
CEILING None None None None None None None None None
STA PRES 29.63 29.73 29.79 29.83 29.78 29.83 29.86 29.87 29.78
Date Mon 10/26/26Tue 10/27/26Wed 10/28/26Thu 10/29/26
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 40 72 40 74 45 69 48 73
TEMP 46 41 69 57 43 41 73 57 48 46 68 59 50 49 70 61
DEWPT 46 41 45 47 43 41 49 52 48 46 52 54 50 48 55 56
RH 100100 42 69100100 43 83100100 57 83100 96 59 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL CL FW FW FW FW FW SC B1 B1 B1 B1 B1 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