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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Tue Jun 2 2026
NCZ003-030800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
131 AM EDT Tue Jun 2 2026
Date 06/01/26 Tue 06/02/26 Wed 06/03/26 Thu
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 55 69 49 78 53
TEMP 59 57 57 64 67 68 64 58 54 50 54 70 75 78 72 61 56 53 58
DEWPT 49 48 52 54 54 54 54 51 48 46 49 49 49 50 54 50 47 45 50
MIN/MAX RH 83 59 87 37 76
RH 69 72 83 70 63 61 70 77 80 86 83 47 40 37 53 67 72 74 75
WIND DIR NE NE E E E E NE N N N NW N NE NE N N N N N
WIND SPD 1 1 3 4 5 4 1 1 0 0 1 1 3 3 0 0 0 0 0
CLOUDS B1 B1 B1 SC B1 SC FW FW CL CL CL CL CL CL CL FW CL CL CL
CLOUDS(%) 60 65 67 35 55 38 20 15 4 5 3 1 2 5 4 7 4 3 1
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 20 0 0 0
RAIN SHWRS IS IS
TSTMS IS IS
MIX HGT <1 <1 2 3 5 5 <1 <1 <1 <1 <1 5 7 7 <1
T WIND DIR E E E E E E E NE N N NE NE NE NE SE
T WIND SPD 9 11 14 13 12 12 8 3 4 3 3 5 8 6 4
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 4 5 29 54 53 81 4 2 2 2 3 38 67 59 2
MAX LVORI 3 3 3 3 1 1 3 4 5 5 5 1 1 1 2
STABILITY F F B A C A G G G G A A A A G
CEILING 4900 None None None None None None None
STA PRES 28.19 28.28 28.30 28.36 28.39 28.42 28.36
Date 06/04Fri 06/05/26Sat 06/06/26Sun 06/07/26Mon 06/08/26
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 84 56 86 60 87 62 87 63 85
TEMP 81 76 60 62 84 80 63 65 85 80 65 67 84 80 67 67 82 79
DEWPT 52 57 52 54 54 57 54 56 57 59 57 58 60 62 60 61 63 63
RH 37 52 75 75 36 45 72 73 39 49 75 73 44 54 78 81 53 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW SC SC SC SC B1 SC B1 B1 B1 B1 B1 B1
POP 12HR 0 0 0 0 5 5 30 20 40
RAIN SHWRS IS SC IS IS SC SC
TSTMS 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