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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Mon Jun 8 2026
VAZ046-082000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
1131 AM EDT Mon Jun 8 2026
Date Mon 06/08/26 Tue 06/09/26 Wed 06/10/26
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 89 59 86 69 91
TEMP 87 88 83 70 65 61 62 74 82 85 82 75 73 71 72 82 87 90 85
DEWPT 62 61 63 61 57 55 56 59 63 65 66 67 66 67 68 70 72 71 71
MAX/MIN RH 40 82 51 91 55
RH 43 40 51 73 75 81 81 59 53 51 58 76 79 87 87 67 61 54 63
WIND DIR E E E E E E E S S S S SW S SW SW SW SW SW SW
WIND SPD 6 6 8 9 4 2 1 4 6 8 5 5 6 9 11 10 10 10 6
WIND GUST 18 19 19 17
CLOUDS FW SC B1 B1 B2 B1 B1 B2 B1 B1 OV B2 B2 B2 B2 B2 B1 B1 SC
CLOUDS(%) 22 33 52 65 71 68 69 81 67 67 92 72 87 86 83 71 68 68 47
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 6 6 6 6 10
POP 12HR 0 0 5 40 50
RAIN SHWRS SC SC SC SC
TSTMS IS SC SC
MIX HGT 6 7 <1 1 1 <1 1 2 4 5 <1 <1 <1 <1 1 3 5 3 <1
T WIND DIR E E E SE SE E SE S S S S S S S S S SW S S
T WIND SPD 9 10 17 16 10 5 3 6 9 10 14 3 4 11 14 14 14 14 16
DISPERSION PR PR VP VP PR PR PR PR PR
ADI 60 76 12 18 7 3 5 21 34 42 10 2 3 10 29 50 62 45 14
MAX LVORI 1 1 2 3 4 5 4 2 1 1 2 3 5 5 4 1 1 1 2
STABILITY B B E D E F B A C C E E E D C C C C D
CEILING None 7000 5200 5100 4100 5900 6300 7600 4700
STA PRES 29.44 29.52 29.54 29.53 29.44 14.69 0.0 0.0 0.0
Date Thu 06/11/26Fri 06/12/26Sat 06/13/26Sun 06/14/26
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 71 98 73 99 70 93 67 93
TEMP 74 76 96 91 75 78 98 88 74 74 91 86 70 71 90 86
DEWPT 70 70 69 69 69 69 68 69 68 66 62 62 62 63 62 64
RH 87 82 42 49 82 74 38 54 82 76 38 45 76 76 39 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC SC FW B1 B1 SC SC SC SC SC SC SC
POP 12HR 10 10 10 30 40 20 10 20
RAIN SHWRS SC SC IS IS
TSTMS SC 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
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