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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat May 30 2026
NCZ003-302000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 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 55 74 58 79
TEMP 75 79 81 75 67 61 56 57 64 71 74 70 63 60 59 61 70 75 78 73
DEWPT 52 50 52 57 51 48 47 48 50 53 55 57 57 57 57 59 63 62 60 60
MAX/MIN RH 35 73 51 96 53
RH 45 36 37 54 56 62 72 72 60 53 51 63 81 90 93 93 78 64 54 64
WIND DIR N N NE E E E NE NE SE S S S SW SW SW SW W NW NW N
WIND SPD 5 4 3 4 16 12 6 6 4 3 4 4 6 6 6 5 4 4 4 4
CLOUDS SC SC B1 B1 B1 B1 SC B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC
CLOUDS(%) 47 49 51 65 65 61 45 51 39 39 38 50 48 68 65 61 61 60 60 43
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6 10 10 10 10
POP 12HR 5 5 0 20 40
RAIN SHWRS IS IS SC SC SC SC IS
TSTMS IS IS
MIX HGT 3 5 5 <1 1 <1 <1 2 4 4 5 <1 <1 <1 <1 <1 2 3 5 <1
T WIND DIR N N N E E E E E SE S SW SW SW SW SW SW SW SW W SW
T WIND SPD 12 8 4 3 20 19 12 12 5 4 8 12 10 8 4 5 5 6 8 6
DISPERSION VP GD FR PR VP PR PR PR VP
ADI 50 53 31 2 19 18 8 25 26 26 46 8 7 5 3 6 12 22 45 5
MAX LVORI 1 1 1 2 2 2 3 3 2 2 1 3 4 5 6 6 4 2 1 3
STABILITY A A A E D D E B A A A E E E E A B C B E
CEILING None None 6100 None None None 10900 14600 15600 6900
STA PRES 28.86 28.86 28.97 29.06 29.08 28.99 28.96 28.90 28.87 28.81
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 52 76 53 79 57 81
TEMP 59 59 72 68 56 56 73 69 56 57 76 73 60 61 79 76
DEWPT 54 54 53 52 50 50 48 50 47 50 53 55 54 56 58 59
RH 83 83 51 57 80 80 41 51 72 77 45 53 81 84 49 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW CL FW FW FW SC SC
POP 12HR 20 10 5 5 5 0 5 5
RAIN SHWRS 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