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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Jun 11 2026
VAZ046-120800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 PM EDT Thu Jun 11 2026
Date 06/11/26 Fri 06/12/26 Sat 06/13/26 Sun
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 73 95 69 91 68
TEMP 95 88 79 75 74 77 89 94 95 85 77 74 70 72 83 89 91 85 73 69 68 72
DEWPT 67 67 67 67 66 69 70 69 68 70 69 68 65 65 63 61 59 62 60 61 64 67
MIN/MAX RH 80 42 86 34 89
RH 40 50 67 76 76 76 54 44 42 61 76 82 84 79 51 39 34 46 64 76 87 84
WIND DIR W SW S W W W W W W W W NW N N NE E S SE SE S S S
WIND SPD 8 5 4 4 4 5 9 9 10 6 5 4 3 3 4 2 3 2 2 2 3 4
CLOUDS FW SC SC SC SC FW FW SC B1 B1 B2 B1 SC SC FW FW FW FW FW SC SC SC
CLOUDS(%) 21 49 38 39 28 13 8 27 58 66 72 54 35 33 8 13 8 12 16 26 35 47
VSBY 10 10 10 10 8 10 10 10 10 8 10 4 2 10 10 10 10 10
POP 12HR 20 40 30 5 10
RAIN SHWRS IS IS SC SC
TSTMS IS IS SC SC
MIX HGT 7 <1 <1 <1 <1 <1 4 7 5 <1 <1 <1 <1 1 5 6 7 <1
T WIND DIR W W SW W W W W W W W NW N N N NE SE SW SE
T WIND SPD 13 13 3 4 4 10 11 14 16 14 8 5 4 13 6 1 2 5
DISPERSION PR VP VP VP PR PR VP VP VP VP VP VP
ADI 104 9 2 2 2 12 59113 69 10 5 4 2 22 40 9 19 3
MAX LVORI 1 2 3 4 4 3 1 1 1 2 4 5 5 3 1 2 2 2
STABILITY B E F F F A B B C E E E G A A A A G
CEILING None None None None None 18400 None None None None
STA PRES 29.14 29.13 29.18 29.17 29.12 29.19 29.26 29.31 29.25
Date 06/14Mon 06/15/26Tue 06/16/26Wed 06/17/26Thu 06/18/26
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 94 65 83 63 79 61 84 63 90
TEMP 93 84 71 68 82 78 67 65 77 75 64 66 82 78 66 68 85 84
DEWPT 67 69 67 63 59 59 57 57 58 59 58 58 58 60 59 61 63 64
RH 43 61 87 84 46 52 70 75 52 58 81 75 44 54 78 78 48 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 B1 SC SC SC B1 B1 SC SC SC B1 SC FW SC SC B1
POP 12HR 30 30 20 30 30 20 20 10 40
RAIN SHWRS SC SC IS IS SC SC IS IS IS IS SC
TSTMS SC IS 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