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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Jun 5 2026
VAZ046-052000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 AM EDT Fri Jun 5 2026
Date Fri 06/05/26 Sat 06/06/26 Sun 06/07/26
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 91 66 92 68 92
TEMP 84 90 91 84 73 69 66 71 85 90 92 85 75 71 68 72 87 92 90 84
DEWPT 56 55 54 59 57 56 56 59 59 58 57 59 58 58 58 61 65 66 66 67
MAX/MIN RH 29 72 31 72 42
RH 38 31 29 43 57 63 70 66 41 34 31 41 55 63 70 68 48 43 45 57
WIND DIR W W SW S SW SW W W W W W SW SW W W W W W W W
WIND SPD 4 5 5 2 3 4 4 5 8 10 9 4 5 5 5 5 6 6 6 3
CLOUDS FW FW FW SC B1 SC FW FW SC B2 SC FW FW FW SC FW SC B1 B1 B1
CLOUDS(%) 15 24 17 33 65 39 25 19 34 74 47 17 19 25 27 23 32 53 53 51
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 30
RAIN SHWRS SC SC
TSTMS SC SC
MIX HGT 6 8 7 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 5 6 7 <1
T WIND DIR W SW SW SW S SW SW W W W W SW SW SW W W W W W N
T WIND SPD 5 8 10 4 3 4 4 5 14 14 14 4 6 6 5 11 11 10 9 5
DISPERSION VP VP VP VP VP PR PR PR VP
ADI 42 73 90 2 2 2 2 6 70107115 2 3 3 3 14 61 73 67 3
MAX LVORI 1 1 1 2 3 3 3 3 1 1 1 2 2 3 3 3 1 1 1 3
STABILITY A A A G F F F A B B B F F F F A B B B F
CEILING None None None None None None None None None None
STA PRES 29.38 29.31 29.30 29.30 29.31 29.22 29.19 29.20 29.21 29.16
Date Mon 06/08/26Tue 06/09/26Wed 06/10/26Thu 06/11/26
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 67 88 60 86 63 89 66 92
TEMP 71 70 87 82 64 63 83 80 66 67 87 83 70 71 89 86
DEWPT 63 60 60 59 56 56 57 58 57 59 61 62 61 62 65 65
RH 76 71 40 46 75 78 41 47 73 75 42 49 73 73 45 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC B1 B1 SC SC SC B1 SC B1 SC SC SC B1
POP 12HR 10 5 5 10 10 30 20 30
RAIN SHWRS IS SC IS IS SC
TSTMS IS 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