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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Sep 29 2026
VAZ018-292000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Tue Sep 29 2026
Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26
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 79 56 84 57 87
TEMP 70 77 77 64 60 58 56 56 73 82 82 67 63 61 59 59 79 86 84 69
DEWPT 58 58 56 54 54 53 52 52 58 55 51 51 52 51 50 50 56 55 53 52
MAX/MIN RH 48 87 34 75 32
RH 66 52 48 70 81 83 86 86 59 40 34 56 67 70 72 72 45 35 34 55
WIND DIR N NE E NE N N N N S SW SW SW W W W W W W W W
WIND SPD 1 2 1 1 0 0 0 0 2 3 2 1 2 2 2 2 2 3 2 1
CLOUDS FW SC SC SC FW FW SC FW SC SC SC SC SC SC FW FW FW FW FW FW
CLOUDS(%) 14 34 48 38 24 17 26 24 38 28 45 44 33 26 10 12 7 11 13 14
VSBY 10 10 10 10 10 5 1 4 9 10 9 10 9 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 5 4 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR N NE E S S SE SE SW W W SW S S SW W W W W SW SW
T WIND SPD 4 2 2 1 3 2 2 1 11 6 5 4 3 4 4 3 4 10 9 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 18 13 12 1 2 1 1 1 40 41 33 2 2 2 2 4 19 69 62 2
MAX LVORI 3 2 2 4 5 5 6 6 1 1 1 3 3 3 3 3 2 1 1 2
STABILITY A B A G G G G A B B B F G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 27.86 27.83 27.87 27.87 27.90 27.85 27.88 27.87 27.92 27.87
Date Fri 10/02/26Sat 10/03/26Sun 10/04/26Mon 10/05/26
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 60 87 64 78 61 70 54 68
TEMP 63 61 86 74 67 65 76 67 63 61 68 63 59 54 67 57
DEWPT 54 53 60 58 60 60 64 60 59 59 64 58 55 49 51 45
RH 72 75 42 57 78 84 66 78 87 93 87 84 87 83 56 64
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC
POP 12HR 0 5 20 70 70 70 30 20
RAIN SHWRS IS SC NM NM NM NM NM SC IS IS
TSTMS 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