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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Fri Oct 9 2026
VAZ024-100800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Fri Oct 9 2026
Date 10/09/26 Sat 10/10/26 Sun 10/11/26 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 54 69 58 71 60
TEMP 77 65 59 57 54 54 63 67 65 61 58 58 59 59 63 68 70 67 64 63 61 61
DEWPT 49 51 50 50 49 48 50 51 53 57 58 58 59 59 63 68 69 66 64 63 61 61
MIN/MAX RH 82 56 100 96 100
RH 37 60 72 77 83 80 62 56 65 87100100100100100100 97 97100100100100
WIND DIR E N N N N N E E E E E E E E E E E SW W W W W
WIND SPD 1 0 0 0 0 1 3 5 5 6 5 5 6 6 4 4 3 2 2 2 4 5
WIND GUST 16 20 24 25 25 24 14 12 19 20
CLOUDS B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC
CLOUDS(%) 79 84 80 87 88 87 92 89 93 97 95 96 99100100 90 89 73 71 66 48 30
VSBY 10 10 10 10 10 10 7 10 5 5 4 3 2 4
POP 12HR 0 60 100 100 40
RAIN S C C D D D
RAIN SHWRS O O O O SC SC
MIX HGT 3 <1 <1 <1 <1 <1 2 2 1 1 <1 <1 <1 <1 1 1 <1 <1
T WIND DIR NW SE NE NE NE NE E E E E E E E E E SE SE SW
T WIND SPD 2 2 3 3 4 4 12 20 16 9 11 8 9 5 5 10 4 13
DISPERSION VP VP VP VP PR PR PR PR VP VP VP VP
ADI 9 1 2 2 2 4 31 44 24 6 8 5 6 7 8 15 5 6
MAX LVORI 2 3 3 4 5 4 1 1 3 5 8 9 8 8 8 5 7 6
STABILITY A F F F F A B D D E E E E D D D C F
CEILING 28400 18900 20900 13200 2800 1600 300 200 1500 3200
STA PRES 28.70 28.78 28.82 28.86 28.83 28.81 28.70 28.61 28.45
Date 10/12Tue 10/13/26Wed 10/14/26Thu 10/15/26Fri 10/16/26
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 79 56 85 57 77 52 71 53 73
TEMP 78 69 58 57 82 74 62 58 75 67 56 53 69 64 55 53 70 65
DEWPT 65 62 58 57 65 64 61 57 59 58 56 53 55 56 55 53 58 57
RH 64 78100100 56 71 97 96 58 73100100 61 75100100 66 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW FW SC SC B1 SC B1 SC B1
POP 12HR 0 0 0 5 10 10 10 10 20
RAIN SHWRS 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