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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Jul 7 2026
VAZ024-080800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Tue Jul 7 2026
Date 07/07/26 Wed 07/08/26 Thu 07/09/26 Fri
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 67 88 68 90 66
TEMP 85 78 73 71 70 71 80 85 85 79 73 71 70 71 83 89 87 80 72 69 66 70
DEWPT 75 74 73 71 70 71 75 74 74 74 73 71 70 71 74 73 73 72 70 68 66 69
MIN/MAX RH 100 68 100 59 100
RH 72 88100100100100 85 70 70 85100100100100 74 59 63 77 93 97100 97
WIND DIR NE N N N N N N SE SE SE N N N N W W W W W W W W
WIND SPD 2 0 0 0 0 0 0 2 2 1 0 0 0 0 2 4 4 1 1 1 2 2
CLOUDS B2 B1 SC SC SC SC B1 B2 B2 B1 B2 B2 B1 B1 B1 B2 B2 SC FW FW FW FW
CLOUDS(%) 82 66 35 42 45 43 51 73 76 64 85 74 69 52 52 85 85 39 18 7 10 17
VSBY 10 10 8 4 2 4 10 10 10 10 5 3 3 4 10 10 10 10 10 8 7 10
POP 12HR 40 80 80 80 0
RAIN SHWRS NM SC IS SC NM NM SC O NM SC IS IS O O
TSTMS NM SC IS SC SC NM SC SC IS IS SC SC
MIX HGT 2 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 3 5 3 <1
T WIND DIR SE E E E E SE SE SE S SE SE SE SE S W W W W
T WIND SPD 3 3 3 2 2 5 3 3 4 4 2 1 2 4 4 6 11 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 2 2 1 1 6 13 16 15 2 1 1 1 5 16 29 38 4
MAX LVORI 3 6 10 10 10 8 4 3 3 5 10 10 10 9 3 2 1 4
STABILITY B F G F F A B B B F F F F B B C C G
CEILING 2500 None None None 2300 2600 2000 1100 3300 None
STA PRES 28.49 28.52 28.53 28.55 28.52 28.50 28.48 28.47 28.44
Date 07/10Sat 07/11/26Sun 07/12/26Mon 07/13/26Tue 07/14/26
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 68 87 65 84 63 86 63 92
TEMP 89 82 71 71 84 80 69 69 81 77 67 67 84 79 66 67 90 84
DEWPT 71 70 69 70 72 70 68 68 69 69 66 66 67 68 65 66 66 68
RH 56 67 93 97 67 72 97 97 67 76 97 97 57 69 97 97 45 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B1 B2 B1 B1 B1 SC B1 FW FW FW FW
POP 12HR 40 30 60 40 50 40 30 20 10
RAIN SHWRS SC SC SC SC NM SC SC SC SC SC IS IS SC IS
TSTMS SC SC 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