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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Jul 2 2026
NCZ006-022000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
401 AM EDT Thu Jul 2 2026
Date Thu 07/02/26 Fri 07/03/26 Sat 07/04/26
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 100 75 101 76 100
TEMP 75 77 91 98100 94 84 79 76 79 94101101 93 84 78 76 78 93100 99 92
DEWPT 70 71 74 72 70 72 71 70 68 70 71 68 66 69 69 69 69 70 68 65 64 66
MAX/MIN RH 38 80 32 79 32
RH 84 82 58 43 38 49 65 74 76 74 47 35 32 46 61 74 79 76 44 32 32 43
WIND DIR S SW NW E E N S SW S W SW SE SE SE S S SW SW SW S S S
WIND SPD 2 1 1 3 3 0 1 1 2 1 1 3 3 1 1 1 1 1 1 3 4 1
CLOUDS CL CL CL FW FW CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 2 1 5 17 13 2 1 1 2 1 5 10 8 19 13 10 15 11 17 23 19 19
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 5 5
MIX HGT <1 1 3 8 8 <1 <1 <1 <1 <1 4 8 8 1 <1 <1 <1 1 4 9 10 <1
T WIND DIR S SW NE NE NE E S S S W E SE S S S SW SW SW SW SW S S
T WIND SPD 5 9 4 3 3 2 3 4 3 5 4 2 2 4 5 5 4 8 2 4 4 8
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 3 13 18 31 32 1 2 2 2 6 24 22 22 2 3 3 2 11 13 49 51 4
MAX LVORI 5 4 2 1 1 2 3 3 4 4 2 2 2 2 3 3 4 4 2 1 1 2
STABILITY G A A A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 29.44 29.40 29.41 29.43 29.44 29.37 29.36 29.35 29.35 29.28
Date Sun 07/05/26Mon 07/06/26Tue 07/07/26Wed 07/08/26
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 75 99 73 99 72 95 70 92
TEMP 78 78 99 92 76 77 98 88 75 75 92 87 74 73 89 86
DEWPT 67 69 65 64 69 71 67 68 71 72 69 69 70 71 68 68
RH 69 74 33 40 79 82 37 52 87 90 47 55 87 93 50 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC SC SC B2 B1 SC SC B2 B1 B1 B1 B1
POP 12HR 10 20 20 60 40 70 50 40
RAIN SHWRS IS IS NM SC NM SC SC
TSTMS IS IS SC SC SC SC 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