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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Oct 2 2026
VAZ046-022000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
301 AM EDT Fri Oct 2 2026
Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26
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 90 60 65 56 65
TEMP 63 62 78 87 88 77 73 69 65 61 63 62 61 60 59 58 58 58 61 63 65 63
DEWPT 58 59 59 59 61 63 65 66 63 60 59 58 56 56 57 57 57 58 61 63 63 63
MAX/MIN RH 37 98 84 100 95
RH 84 90 52 39 40 62 76 90 93 97 87 87 84 87 93 96 96100100100 93100
WIND DIR SW SW SW SW SW SW W NE NE NE NE NE NE NE NE NE N NE NE N N NW
WIND SPD 5 6 8 8 8 4 3 4 10 11 11 10 8 5 4 4 4 4 4 3 3 1
CLOUDS FW FW SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV B2 OV OV OV OV
CLOUDS(%) 9 14 46 40 63 58 58 67 81 79 86 84 94 89 92 91 94 86 91 92 96 92
VSBY 10 10 10 10 10 10 10 7 10 7 7 3 7 6 6 3 6 6 6 6 6 10
POP 12HR 0 20 60 70 70
RAIN SHWRS IS SC SC NM SC SC SC NM NM NM NM SC SC
MIX HGT <1 <1 2 6 6 <1 <1 <1 1 1 2 2 2 1 <1 <1 <1 1 1 1 2 <1
T WIND DIR SW SW SW W W SW SW N N NE NE NE NE NE NE NE NE NE NE N NE N
T WIND SPD 4 4 12 13 13 12 4 8 24 19 17 12 9 6 6 12 9 9 10 8 4 4
DISPERSION PR VP VP VP FR PR VP VP VP VP
ADI 2 5 32 90 46 8 2 5 27 31 31 23 15 5 5 8 6 13 16 14 10 2
MAX LVORI 6 6 1 1 1 3 4 5 4 4 4 4 4 5 6 6 6 5 5 5 6 9
STABILITY F B B B D E F E D D D D D E E E E D D C C F
CEILING None None None 1300 2100 3500 4300 1100 500 500
STA PRES 29.33 29.26 29.29 29.38 29.48 29.49 29.51 29.48 29.48 29.43
Date Mon 10/05/26Tue 10/06/26Wed 10/07/26Thu 10/08/26
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 56 76 48 64 42 67 45 73
TEMP 60 57 74 66 54 48 61 54 45 44 64 57 48 47 72 63
DEWPT 60 57 61 57 47 41 41 42 40 40 45 46 45 45 52 51
RH 100100 64 73 77 77 48 64 82 86 50 67 89 93 49 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B1 SC SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 10 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