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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 30 2026
NCZ003-310800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 PM EDT Fri Oct 30 2026
Date 10/30/26 Sat 10/31/26 Sun 11/01/26 Mon
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 46 65 45 64 43
TEMP 58 54 51 48 57 62 63 55 51 49 47 46 57 62 62 54 49 47 46 45
DEWPT 40 38 37 39 45 45 45 46 43 41 39 40 44 43 42 44 41 39 38 40
MIN/MAX RH 76 50 85 46 83
RH 51 54 59 71 64 54 52 72 74 74 74 79 62 50 48 69 74 74 73 82
WIND DIR NW NW NE N E E E N N N N N E SE SE N N N N N
WIND SPD 3 2 1 0 2 3 2 0 0 0 0 0 2 3 2 0 0 0 0 0
CLOUDS FW SC FW SC SC B2 B2 OV OV B2 B2 OV B2 B2 B1 B2 B2 B2 B2 B2
CLOUDS(%) 24 37 19 37 43 75 78 89 88 87 80 94 86 81 67 78 70 76 81 72
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 5
MIX HGT <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR N N N N E E E E NE E E E E SE SE E
T WIND SPD 6 5 4 3 8 4 4 2 2 1 3 5 8 5 4 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 3 2 3 19 13 9 1 1 1 2 6 22 18 12 1
MAX LVORI 3 3 3 4 2 2 2 3 4 4 4 4 2 2 2 3
STABILITY G G G A B B B F F F F B B B B F
CEILING None None None 17800 16600 11900 9100 10300 9100
STA PRES 28.40 28.44 28.52 28.50 28.53 28.54 28.56 28.49
Date 11/02Tue 11/03/26Wed 11/04/26Thu 11/05/26Fri 11/06/26
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 65 46 68 53 68 57 71 52 69
TEMP 62 58 50 48 64 61 56 55 64 63 59 59 68 64 56 54 66 59
DEWPT 49 51 48 48 56 57 55 55 63 62 59 58 64 61 56 54 58 56
RH 62 77 93100 75 87 96100 97 97100 96 87 90100100 75 90
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC
POP 12HR 10 5 10 20 60 60 60 50 20
RAIN SHWRS IS SC NM SC NM NM NM SC SC IS 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