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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Thu Jul 2 2026
VAZ018-030800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EDT Thu Jul 2 2026
Date 07/01/26 Thu 07/02/26 Fri 07/03/26 Sat
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 74 94 72
TEMP 70 75 86 92 92 85 78 77 74 76 88 94 92 86 79 75 72 75
DEWPT 65 68 69 66 64 69 65 67 66 68 70 66 65 70 67 68 66 68
MIN/MAX RH 83 40 77 40 84
RH 84 79 57 43 40 59 64 71 76 76 55 40 41 59 67 79 81 79
WIND DIR NW N NE E NE N NW NW NW N NE SE SW NW NW W W NW
WIND SPD 2 2 2 2 2 1 1 1 2 1 1 1 2 1 1 1 1 1
CLOUDS FW FW CL CL CL FW FW FW FW SC FW SC SC SC SC SC SC FW
CLOUDS(%) 11 11 5 4 3 14 14 16 20 28 15 40 40 31 32 27 29 25
VSBY 5 10 10 10 10 10 10 8 6 10 10 10
POP 12HR 0 0 0 20 10
RAIN SHWRS IS IS
TSTMS IS IS
Obvis PF
MIX HGT <1 <1 4 6 7 <1 <1 <1 <1 <1 4 8 6 1
T WIND DIR NW NW E N N NW W NW NW NW NW NW NW NW
T WIND SPD 3 3 2 4 3 1 3 4 4 3 3 4 8 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 3 11 35 29 1 2 2 2 3 16 42 63 4
MAX LVORI 4 4 2 1 2 3 3 3 4 4 2 1 1 3
STABILITY G A A A A G G G G A A A A G
CEILING None None None None None None None None
STA PRES 27.91 27.96 27.91 27.91 27.92 27.93 27.89
Date 07/04Sun 07/05/26Mon 07/06/26Tue 07/07/26Wed 07/08/26
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 92 71 94 70 93 68 90 68 88
TEMP 92 82 73 76 94 78 71 74 92 78 70 72 88 76 70 71 87 76
DEWPT 64 67 66 67 62 68 67 68 67 68 67 67 67 66 65 66 66 65
RH 40 61 79 74 35 71 87 82 44 71 90 84 50 71 84 84 50 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B1 SC SC B2 B1 SC SC B2 B1 SC SC B2 B1 B1 B1 B2
POP 12HR 40 30 60 40 70 30 70 40 60
RAIN SHWRS SC SC NM SC NM SC IS NM SC SC NM
TSTMS SC SC SC SC SC IS IS 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
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