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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Jun 2 2026
NCZ001-030800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
231 PM EDT Tue Jun 2 2026
Date 06/02/26 Wed 06/03/26 Thu 06/04/26 Fri
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 46 67 51 73 55
TEMP 57 52 49 48 47 50 58 64 66 60 54 53 52 55 64 71 72 66 58 56 55 59
DEWPT 45 47 47 45 43 45 41 42 43 47 45 44 42 45 46 47 48 51 49 47 46 49
MIN/MAX RH 90 43 72 41 73
RH 64 83 93 89 86 83 53 45 43 62 71 71 69 69 52 42 42 58 72 72 72 69
WIND DIR E E E E E NE NE NE NE NE E SW W W NW S S SW W W W W
WIND SPD 4 6 5 4 3 3 5 5 5 5 4 4 3 4 3 2 4 6 5 5 6 8
CLOUDS B1 SC FW CL FW FW CL CL FW FW CL CL CL CL CL FW FW FW CL FW FW FW
CLOUDS(%) 56 34 13 4 11 10 0 3 9 8 3 3 2 2 1 11 13 22 5 7 8 7
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10
POP 12HR 5 0 0 0 0
RAIN SHWRS IS
TSTMS IS
MIX HGT 4 1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR E E NE NE E S N N NE E S W W NW N SE S S
T WIND SPD 6 2 2 3 2 1 9 9 9 4 1 2 2 2 3 2 2 5
DISPERSION PR PR VP VP PR VP VP VP PR PR PR PR
ADI 25 1 1 2 1 1 52 64 66 2 1 1 1 2 19 17 16 3
MAX LVORI 3 5 7 7 6 5 1 1 1 3 4 3 3 3 2 2 2 3
STABILITY C F F F G A A A A F F F G A A A A F
CEILING 3100 None None None None None None None None None
STA PRES 26.85 26.90 26.93 26.97 26.92 26.94 26.93 26.95 26.89
Date 06/05Sat 06/06/26Sun 06/07/26Mon 06/08/26Tue 06/09/26
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 57 76 59 75 60 73 58 71
TEMP 74 68 59 60 73 69 61 62 72 69 62 62 71 68 61 59 68 65
DEWPT 50 54 50 52 52 54 52 54 56 57 57 57 58 58 56 54 55 55
RH 43 61 72 75 48 59 72 75 57 66 84 84 63 70 84 83 63 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 5 5 30 20 50 30 50
RAIN SHWRS IS SC IS IS SC SC SC SC SC SC
TSTMS SC IS IS SC SC 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
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