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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sat Oct 3 2026
VAZ024-040800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
731 PM EDT Sat Oct 3 2026
Date 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue
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 66 54 75 46
TEMP 56 55 55 54 57 62 66 66 62 59 58 57 55 65 72 72 62 55 51 48 47
DEWPT 55 55 54 54 57 61 63 64 62 59 58 57 55 57 52 48 48 45 45 42 41
MIN/MAX RH 100 89 100 42 84
RH 96100 96100100 97 90 93100100100100100 75 49 42 60 69 80 80 79
WIND DIR NE NE E SE SE SE E S S SW SW NW NW NW NW NW N N N N N
WIND SPD 4 4 3 2 1 1 1 1 1 1 1 2 2 3 4 4 4 3 2 2 2
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW FW FW FW FW
CLOUDS(%) 100100100100100100 99100100 99100 87 61 30 22 9 11 15 17 14 9
VSBY 5 4 4 3 2 2 3 5 2 2 4 8 10 10 10 10 10 10 10 10
POP 12HR 40 30 0 0 0
DRIZZLE ? ? ? ?
RAIN S S S S C C S
RAIN SHWRS
Obvis PF PF PF PF
MIX HGT 1 1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 2 4 5 <1
T WIND DIR NE NE N N N N W W SW SW W NW NW NW NW NW N
T WIND SPD 9 6 5 3 3 3 1 2 1 2 2 3 4 12 8 8 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 6 5 3 3 4 2 4 1 1 1 2 5 38 42 44 2
MAX LVORI 6 6 9 9 9 8 6 6 10 10 10 10 9 3 1 1 3
STABILITY D D D D C D C D D F F F B B B B F
CEILING 500 400 700 1800 1800 25600 None None None
STA PRES 28.69 28.63 28.61 28.54 28.54 28.54 28.59 28.55
Date 10/06Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
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 70 40 76 47 80 48 79 50 77
TEMP 67 57 48 45 73 65 52 49 78 68 54 50 77 68 55 51 76 67
DEWPT 43 47 45 42 50 51 50 47 50 51 50 47 49 51 50 48 51 52
RH 42 69 89 89 44 60 93 93 37 54 86 89 37 54 83 89 42 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 0 0 0 0 0 0 0 5 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