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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Jun 12 2026
NCZ005-130800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 PM EDT Fri Jun 12 2026
Date 06/12/26 Sat 06/13/26 Sun 06/14/26 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 71 91 70 95 68
TEMP 75 75 72 74 83 90 91 86 76 72 70 74 89 95 93 84 76 73 69 71
DEWPT 66 66 67 67 64 63 63 64 65 66 66 68 69 66 64 68 67 67 64 62
MIN/MAX RH 85 39 88 37 83
RH 74 74 84 79 53 41 40 48 69 81 87 82 52 39 38 59 74 81 84 73
WIND DIR NW NW N N NE NE NW E SE S S S SW SW W SW W W NW NW
WIND SPD 4 3 3 5 5 3 3 2 2 2 2 3 6 10 11 8 4 4 5 5
CLOUDS B1 B2 B1 SC SC SC FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
CLOUDS(%) 69 76 54 33 34 48 8 27 35 40 38 31 37 66 67 62 63 58 62 54
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 20 50 30
RAIN SHWRS IS IS SC SC IS
TSTMS IS IS SC IS IS
MIX HGT <1 <1 <1 1 4 7 7 <1 <1 <1 <1 <1 5 8 4 <1
T WIND DIR NW W NW N E SE SW S E S S SW W SW W SW
T WIND SPD 2 1 3 10 8 2 4 6 3 3 2 8 12 18 23 11
DISPERSION VP VP VP VP VP VP VP PR VP VP PR
ADI 1 1 2 18 42 18 38 3 2 2 1 10 76 91 83 10
MAX LVORI 3 4 5 3 1 2 1 2 3 5 6 4 1 1 1 2
STABILITY F F F A A A A G G G G A B C C D
CEILING 10300 None None None None None None 8400 10500
STA PRES 29.19 29.21 29.25 29.20 29.20 29.18 29.16 29.10
Date 06/15Tue 06/16/26Wed 06/17/26Thu 06/18/26Fri 06/19/26
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 85 62 81 61 86 66 93 71 92
TEMP 83 82 68 65 78 78 66 66 84 83 70 71 90 88 76 75 90 85
DEWPT 58 57 56 56 56 56 58 59 56 57 63 64 65 66 66 65 64 63
RH 43 43 65 73 47 47 75 78 38 41 78 79 44 48 71 71 42 48
WIND SPD <15 <15 <15 <15 <15 <15 15> <15 <15
AVG CLOUDS B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC B1 SC SC SC B1
POP 12HR 30 30 20 10 5 10 30 20 40
RAIN SHWRS SC IS SC IS IS SC IS IS IS SC
TSTMS IS SC 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