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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EDT Sat Jul 4 2026
VAZ024-050800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
601 PM EDT Sat Jul 4 2026
Date 07/04/26 Sun 07/05/26 Mon 07/06/26 Tue
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 72 93 71 91 68
TEMP 89 78 74 72 75 87 93 86 81 75 73 71 73 86 91 88 80 73 70 68 71
DEWPT 68 68 67 66 68 69 67 68 70 69 68 67 69 71 70 72 71 71 70 68 70
MIN/MAX RH 82 43 88 50 100
RH 50 71 79 81 79 55 43 55 69 82 84 87 87 61 50 59 74 93100100 97
WIND DIR NW N N N N N S SW S N N N N SW SW W N N N N N
WIND SPD 2 0 0 0 0 0 4 4 1 0 0 0 0 1 3 3 1 0 0 0 0
CLOUDS SC SC SC SC FW SC SC B1 B2 B1 B1 B1 B1 B1 OV OV B2 B2 B1 B1 B1
CLOUDS(%) 47 34 44 29 18 45 50 61 77 62 55 57 62 57 88 88 73 73 57 56 53
VSBY 10 10 10 9 10 10 10 10 10 7 3 3 2 9 10 10 10
POP 12HR 20 50 70 80 60
RAIN SHWRS IS SC SC NM SC O O NM NM
TSTMS IS SC SC SC IS SC SC SC
MIX HGT <1 <1 <1 <1 <1 3 7 4 <1 <1 <1 <1 <1 3 6 3 <1
T WIND DIR W NW W NW NW SW SW SW NW NE E S NW NW W NE NE
T WIND SPD 11 5 2 3 2 3 9 10 6 4 8 1 4 4 1 1 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 5 3 1 2 2 14 80 37 3 2 4 1 5 17 7 4 4
MAX LVORI 2 3 4 5 4 2 1 1 3 5 5 6 5 2 2 3 3
STABILITY F G F G A A A C F F F F B B B B F
CEILING None None None 5200 5300 3000 None 3000 200
STA PRES 28.47 28.47 28.47 28.43 28.47 28.51 28.52 28.47
Date 07/07Wed 07/08/26Thu 07/09/26Fri 07/10/26Sat 07/11/26
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 66 91 67 94 68 95 68 92
TEMP 89 83 70 69 88 84 70 71 90 86 72 73 91 85 72 72 89 83
DEWPT 69 69 68 67 66 67 66 67 67 68 68 69 69 70 69 69 69 69
RH 52 63 93 93 48 57 87 87 47 55 87 87 49 61 90 90 52 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC SC SC SC SC SC B1 SC SC SC B1 SC SC SC B1
POP 12HR 50 20 20 20 40 20 30 10 50
RAIN SHWRS SC IS IS IS SC IS SC SC SC
TSTMS SC IS IS SC IS 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