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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Thu Jul 2 2026
VAZ024-022000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
1101 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 98 74 100 73 97
TEMP 97 98 90 82 77 74 78 92 99 96 89 80 76 73 77 92 97 96 88
DEWPT 68 66 70 68 68 68 69 71 67 67 71 69 68 67 69 69 64 65 68
MAX/MIN RH 35 80 34 83 34
RH 39 35 52 63 74 82 74 51 36 39 56 69 76 81 76 47 34 36 52
WIND DIR E SE SW N N N NW N S S NW NW N N N N SW SW NW
WIND SPD 1 2 1 0 0 0 1 0 1 2 1 1 0 0 0 0 3 3 1
CLOUDS FW CL FW FW CL FW FW FW SC SC FW SC FW FW FW FW B1 B1 B1
CLOUDS(%) 6 4 19 12 3 15 7 13 41 41 23 30 20 23 15 15 53 53 55
VSBY 10 10 10 10 8 8 10 10 10 10 10 6 7 3 8 10 10 10 10
POP 12HR 0 0 20 10 30
RAIN SHWRS IS IS SC SC SC
TSTMS IS IS SC SC SC
MIX HGT 6 6 <1 <1 <1 <1 <1 4 8 5 <1 <1 <1 <1 <1 4 8 7 <1
T WIND DIR NE N W W NW NW N E SW W W NW NW N N S W W NW
T WIND SPD 2 2 1 2 3 4 3 3 3 5 1 2 3 3 3 2 5 5 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 18 18 1 1 2 2 3 17 31 39 1 1 2 2 3 13 49 50 1
MAX LVORI 2 2 2 3 3 5 3 2 1 1 3 3 4 5 4 2 1 1 2
STABILITY A A G G G G A A A A G G G G A A B A F
CEILING None None None None None None None None None
STA PRES 28.59 28.59 28.60 28.62 28.55 28.54 28.52 28.53 28.46
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 72 99 70 97 68 94 67 92
TEMP 74 76 99 84 72 74 96 84 71 72 91 84 70 71 89 84
DEWPT 67 68 64 69 70 71 68 69 69 70 67 67 68 68 66 66
RH 79 76 32 61 93 90 40 61 93 93 45 57 93 90 47 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC B1 B1 SC SC B2 B1 SC SC B2 B1 B1 B1 B2
POP 12HR 30 50 40 70 50 60 40 60
RAIN SHWRS SC SC SC NM SC NM SC IS SC NM
TSTMS SC SC SC SC 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