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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EDT Sat Jul 4 2026
VAZ046-050800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
201 AM EDT Sat Jul 4 2026
Date 07/03/26 Sat 07/04/26 Sun 07/05/26 Mon
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 75 104 72 101 72
TEMP 75 79 95102101 90 79 76 73 76 92 99100 91 79 74 72 75
DEWPT 66 70 71 68 66 69 69 69 68 69 71 67 65 67 68 69 69 71
MIN/MAX RH 78 32 85 32 91
RH 74 74 46 34 32 50 72 79 84 79 51 36 32 45 69 84 90 87
WIND DIR W N E SW S SE S W N S SW S S S NE NE NE NE
WIND SPD 2 2 2 5 8 5 4 3 2 1 2 6 8 4 4 4 3 2
CLOUDS SC SC FW SC B1 B1 SC SC FW FW CL FW FW B1 B1 SC B1 B1
CLOUDS(%) 37 27 18 30 51 60 45 46 24 19 2 22 20 61 61 49 60 66
VSBY 9 9 10 10 10 10 10 10 9 10 10 10 10 10 10 6 3 2
POP 12HR 0 30 10 40 40
RAIN SHWRS IS SC SC SC
TSTMS IS SC SC IS
MIX HGT <1 <1 4 9 6 <1 1 <1 <1 <1 3 8 10 <1
T WIND DIR NW NE W W SW SW W SW W N N SW S S
T WIND SPD 1 5 3 9 9 9 4 4 3 13 5 2 5 11
DISPERSION VP PR VP VP VP VP VP VP VP
ADI 1 6 16 95 42 6 2 2 2 13 25 19 53 8
MAX LVORI 4 3 2 1 1 2 3 4 5 4 2 2 1 2
STABILITY G A A A C E F G G A A B B E
CEILING None None None None None None None 5100
STA PRES 29.29 29.30 29.21 29.21 29.25 29.27 29.21
Date 07/06Tue 07/07/26Wed 07/08/26Thu 07/09/26Fri 07/10/26
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 97 70 91 69 91 70 91 71 92
TEMP 96 83 73 74 90 83 72 73 88 85 72 73 89 85 73 74 91 84
DEWPT 70 73 72 72 71 70 69 69 69 70 68 70 69 70 69 70 70 71
RH 43 72 97 93 54 65 90 87 54 61 87 90 52 61 87 87 50 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B1 SC B2 B1 B1 SC SC B1 SC SC B1 SC SC SC SC
POP 12HR 70 70 60 50 20 30 30 20 20
RAIN SHWRS NM NM IS IS NM SC IS SC SC IS IS
TSTMS NM SC SC SC IS IS SC IS IS
$$
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