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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Sat May 30 2026
NCZ003-310800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
431 PM EDT Sat May 30 2026
Date 05/30/26 Sun 05/31/26 Mon 06/01/26 Tue
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 53 74 55 80 53
TEMP 80 69 63 58 54 56 65 71 74 70 63 60 58 60 73 77 79 73 63 58 55 58
DEWPT 48 55 51 47 45 47 51 55 56 58 57 56 56 59 62 60 58 58 54 52 49 52
MIN/MAX RH 73 55 100 48 83
RH 33 61 65 67 71 72 60 57 53 66 81 87 93 96 68 56 49 59 72 80 80 80
WIND DIR N NE NE NE NE E SE S S S SW N N N NW NW N N N N N N
WIND SPD 3 1 4 2 1 1 2 4 4 3 1 0 0 0 1 3 4 2 2 1 1 1
WIND GUST 17
CLOUDS SC B2 B2 B2 SC SC SC SC B1 SC SC SC B1 B2 B2 B1 B1 SC SC SC SC SC
CLOUDS(%) 43 71 70 76 43 47 46 41 51 48 38 42 66 79 74 61 61 40 50 49 38 35
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 6 10 10 10 10
POP 12HR 5 0 30 50 20
RAIN SHWRS SC SC SC SC IS IS
TSTMS IS IS
MIX HGT 5 <1 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1 3 5 6 <1
T WIND DIR N E NE E E E S S S S SW SW SW NW NW N NW N
T WIND SPD 6 2 17 17 14 11 8 8 10 9 8 5 2 1 12 12 12 11
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 42 1 12 8 7 23 31 37 39 4 4 3 1 1 43 77 79 5
MAX LVORI 1 3 3 3 3 3 1 1 1 3 5 6 7 8 3 1 1 3
STABILITY A F E F F A A A C F G F F B B B B G
CEILING 13700 None None None None 2000 2300 6700 None
STA PRES 28.14 28.21 28.24 28.16 28.13 28.07 28.06 28.04
Date 06/02Wed 06/03/26Thu 06/04/26Fri 06/05/26Sat 06/06/26
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 76 49 75 50 80 54 84 58 85
TEMP 71 69 55 55 73 69 55 56 78 74 59 60 82 77 63 64 83 79
DEWPT 52 54 48 48 47 52 46 48 52 56 52 54 57 60 56 58 61 63
RH 51 59 77 77 40 55 72 74 40 53 78 81 43 56 78 81 47 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC FW CL FW FW CL CL CL FW FW FW SC SC SC SC SC
POP 12HR 30 20 5 5 0 0 5 5 20
RAIN SHWRS SC IS IS
TSTMS 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