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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Sat May 30 2026
VAZ018-302000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
731 AM EDT Sat May 30 2026
Date Sat 05/30/26 Sun 05/31/26 Mon 06/01/26
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 81 51 77 59 79
TEMP 59 73 80 79 68 60 55 51 54 65 74 75 67 61 59 59 62 73 78 76 68
DEWPT 48 53 55 53 52 46 44 43 44 49 52 54 55 53 52 53 56 56 53 51 52
MAX/MIN RH 38 73 44 83 40
RH 67 49 42 41 57 60 66 74 69 56 46 48 65 75 78 80 81 55 42 42 57
WIND DIR NW N N N NE NE E NE E SE S S S S SW W W NW NW NW NW
WIND SPD 3 3 3 4 3 3 1 1 1 2 3 3 2 2 1 2 2 3 3 4 2
WIND GUST 13 14 14 11 14 13
CLOUDS SC SC SC SC B1 SC FW FW FW SC SC SC B1 SC B1 B1 SC SC SC SC SC
CLOUDS(%) 45 32 27 45 57 44 15 22 20 29 33 31 69 46 57 51 47 43 42 29 39
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 5 10
MIX HGT <1 3 6 5 <1 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR NW N N N E E E E SE S S SW S S SW W NW NW NW NW NW
T WIND SPD 4 13 12 8 13 12 10 5 9 4 4 5 8 4 2 2 2 11 8 9 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 52 90 51 6 6 5 3 19 16 23 32 4 2 1 1 2 61 56 63 4
MAX LVORI 3 1 1 1 3 3 3 3 3 2 2 1 3 3 4 5 5 1 1 1 3
STABILITY A A A A F F G G A A A A F F F F A A A A G
CEILING None None None None None None None None None None
STA PRES 27.74 27.73 27.85 27.90 27.89 27.80 27.76 27.71 27.70 27.66
Date Tue 06/02/26Wed 06/03/26Thu 06/04/26Fri 06/05/26
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 56 75 50 75 52 80 57 82
TEMP 57 59 74 66 54 56 73 67 55 57 78 72 60 62 81 76
DEWPT 48 49 50 50 44 46 45 49 44 47 51 55 50 53 57 60
RH 72 69 43 56 69 69 37 52 66 69 39 55 69 72 44 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC FW FW FW FW FW CL CL FW FW FW SC SC
POP 12HR 10 20 5 5 5 5 0 10
RAIN SHWRS IS
TSTMS 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