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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Oct 2 2025
NCZ006-022000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
401 AM EDT Thu Oct 2 2025
Date Thu 10/02/25 Fri 10/03/25 Sat 10/04/25
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 72 47 73 49 77
TEMP 50 49 65 71 70 61 55 53 49 49 64 71 73 63 55 53 51 50 68 76 75 63
DEWPT 50 49 54 54 54 55 54 52 49 48 53 53 53 54 53 51 50 50 56 57 57 57
MAX/MIN RH 53 100 51 100 52
RH 100100 68 55 57 81 96 96100 96 67 53 49 72 93 93 96100 65 52 54 81
WIND DIR N N NE E E E E NE N N NE NE NE N N N N N NE E E E
WIND SPD 2 2 5 5 5 2 2 1 1 2 3 3 2 0 0 0 0 1 2 2 2 1
CLOUDS FW CL FW FW FW SC FW FW FW FW FW FW FW FW FW SC B1 SC SC SC FW SC
CLOUDS(%) 6 0 10 21 13 30 20 8 15 13 19 24 13 13 24 50 54 34 29 35 25 32
VSBY 9 6 10 10 10 10 10 10 9 8 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF PF PF PF
MIX HGT <1 <1 3 4 4 <1 <1 <1 <1 <1 3 4 4 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NE N E E E E E NE N N NE E E NE N N NE N W W W N
T WIND SPD 3 3 13 11 12 10 10 3 3 3 6 2 2 3 2 2 2 3 2 3 3 0
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 4 48 59 61 5 5 2 2 4 23 11 10 2 1 1 1 3 8 17 16 0
MAX LVORI 10 9 1 1 1 4 6 8 10 9 3 2 2 4 10 10 10 9 3 2 2 6
STABILITY G B B B B G G G G B B B B G G F F A B B B G
CEILING None None None None None None None None None None
STA PRES 29.74 29.73 29.76 29.75 29.75 29.66 29.65 29.63 29.65 29.60
Date Sun 10/05/25Mon 10/06/25Tue 10/07/25Wed 10/08/25
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 54 79 58 80 60 81 61 78
TEMP 56 55 78 67 61 60 80 69 63 61 80 70 64 63 78 68
DEWPT 55 54 61 62 61 60 66 66 63 61 65 65 64 63 67 67
RH 96 96 56 84100100 62 90100100 60 84100100 69 97
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1
POP 12HR 0 0 5 5 5 10 20 30
RAIN SHWRS IS IS IS SC
$$
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