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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Fri Jul 10 2026
NCZ006-110800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
401 PM EDT Fri Jul 10 2026
Date 07/10/26 Sat 07/11/26 Sun 07/12/26 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 70 92 67 84 64
TEMP 88 83 77 74 72 74 84 89 88 83 75 72 70 70 77 81 81 78 72 68 65 67
DEWPT 72 71 71 70 70 71 72 71 71 72 72 71 70 70 72 71 70 69 68 67 65 67
MIN/MAX RH 97 54 100 70 100
RH 59 67 82 87 93 90 67 56 57 70 90 97100100 85 72 69 74 87 97100100
WIND DIR W SW SW SW SW W NW W W W N N NE NE NE NE E E E E E NE
WIND SPD 6 2 1 2 2 3 5 5 4 1 0 0 1 2 4 5 5 3 1 1 1 2
CLOUDS B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
CLOUDS(%) 67 69 58 58 60 60 33 50 63 66 71 53 81 82 81 85 82 77 72 73 71 68
VSBY 10 10 10 10 10 10 10 10 10 10 9 9 8 9 10 10 10 10
POP 12HR 40 40 60 70 50
RAIN SHWRS SC SC SC SC IS SC SC SC SC SC NM NM NM NM SC SC SC SC SC
TSTMS SC SC IS IS SC SC IS IS IS SC SC IS
MIX HGT 2 <1 <1 <1 <1 1 3 5 3 <1 <1 <1 <1 1 2 3 3 <1
T WIND DIR W S S W W W NW NW NW W NW N NE NE E E NE E
T WIND SPD 12 2 3 8 8 11 10 12 14 11 5 5 6 6 11 12 13 21
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 29 1 2 4 4 18 46 77 51 5 3 3 3 9 29 36 41 10
MAX LVORI 2 3 5 6 6 5 1 1 1 3 6 8 9 8 4 3 3 3
STABILITY C F F F F B A A C F F F F B C C C F
CEILING 2400 None None 4200 9000 7300 1100 2200 700
STA PRES 29.30 29.31 29.34 29.31 29.36 29.42 29.46 29.43
Date 07/13Tue 07/14/26Wed 07/15/26Thu 07/16/26Fri 07/17/26
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 83 63 89 66 97 71 99 72 96
TEMP 80 79 68 67 87 84 70 71 94 91 76 76 96 92 77 75 94 90
DEWPT 66 65 64 65 64 63 63 65 64 65 65 68 66 66 67 68 65 66
RH 62 62 87 93 46 49 78 81 37 42 69 76 38 43 71 79 39 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 SC SC SC FW CL CL FW FW CL CL FW SC FW FW SC
POP 12HR 30 10 5 0 5 0 5 10 20
RAIN SHWRS SC SC IS
TSTMS SC 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