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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Thu Jul 2 2026
VAZ046-030800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
731 PM EDT Thu Jul 2 2026
Date 07/02/26 Fri 07/03/26 Sat 07/04/26 Sun
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 73 102 74 104 73
TEMP 93 82 79 76 79 93 98 98 89 80 77 75 80 98103100 89 79 75 73 77
DEWPT 71 70 70 68 70 71 69 66 69 68 67 67 69 70 67 67 69 69 68 68 70
MIN/MAX RH 79 36 74 31 84
RH 49 67 74 76 74 49 39 35 52 67 71 76 69 41 32 34 52 72 79 84 79
WIND DIR SE S SW SW NW E SE S SE SW W W W NW SW W S N W NW N
WIND SPD 2 4 4 3 2 4 3 4 3 3 3 3 2 2 4 6 4 3 2 2 1
CLOUDS FW CL FW FW FW FW FW FW FW FW FW FW FW FW B1 B1 B1 B1 SC FW FW
CLOUDS(%) 9 2 8 11 8 8 22 15 15 14 25 13 15 11 52 52 53 53 32 25 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 7 7 10 10
POP 12HR 0 10 10 30 30
RAIN SHWRS SC SC SC SC
TSTMS SC SC SC IS
MIX HGT <1 <1 <1 <1 <1 4 7 8 <1 <1 <1 <1 <1 4 8 8 <1
T WIND DIR S S SW SW N E W SW SW SW W W NW NW W W SW
T WIND SPD 1 2 2 2 6 3 3 4 9 2 3 2 2 1 8 8 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 1 1 7 18 30 42 4 1 2 1 2 6 41 64 6
MAX LVORI 2 3 3 4 4 2 1 1 2 3 3 3 3 2 1 1 2
STABILITY G F F G A A A A G G G G A A C B E
CEILING None None None None None None None None None
STA PRES 29.34 29.35 29.37 29.30 29.28 29.27 29.28 29.20
Date 07/05Mon 07/06/26Tue 07/07/26Wed 07/08/26Thu 07/09/26
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 100 70 94 69 90 68 88 68 91
TEMP 99 86 73 74 93 83 71 72 89 82 71 71 86 83 71 72 90 83
DEWPT 68 70 70 71 70 71 70 70 69 69 68 68 68 68 67 68 69 69
RH 37 59 90 90 47 67 97 93 52 65 90 90 55 61 87 87 50 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW B1 B1 SC B1 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC B1
POP 12HR 40 50 60 50 30 30 30 30 30
RAIN SHWRS SC SC NM SC SC SC SC SC IS IS SC
TSTMS SC SC SC SC SC SC SC 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
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