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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
211 AM EDT Mon Jun 1 2026
NCZ005-020800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
211 AM EDT Mon Jun 1 2026
Date 05/31/26 Mon 06/01/26 Tue 06/02/26 Wed
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 62 84 58 74 52
TEMP 64 66 78 83 81 75 67 64 60 59 65 71 73 69 59 54 52 57
DEWPT 59 61 59 53 52 52 49 50 52 53 52 49 47 47 46 46 46 48
MIN/MAX RH 87 35 80 39 80
RH 84 84 52 36 37 45 52 60 75 80 63 46 40 45 62 74 80 72
WIND DIR SW W NW N N NE NE E NE NE NE NE NE NE NE NE NW NW
WIND SPD 6 6 5 6 6 5 4 3 5 9 9 9 9 4 2 1 2 3
CLOUDS B1 FW SC SC SC B1 B1 SC B1 B1 SC SC SC FW FW CL CL CL
CLOUDS(%) 53 19 28 38 49 61 64 50 55 65 34 29 27 23 9 4 5 1
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 10 10 0
MIX HGT <1 1 5 7 5 <1 <1 <1 <1 2 3 6 5 <1 <1 <1 <1 1
T WIND DIR SW W N N N NE NE E E NE NE NE N N N NW NW NW
T WIND SPD 12 10 11 10 9 12 12 10 16 17 14 16 12 8 3 3 3 3
DISPERSION PR PR VP VP PR VP VP VP VP
ADI 8 17 72 79 50 8 8 5 11 38 54104 78 4 2 2 2 4
MAX LVORI 4 4 1 1 1 2 2 3 4 3 1 1 1 2 3 3 4 3
STABILITY E B A B B E E F E C B B B F G G G A
CEILING None None None 5800 None None None None None
STA PRES 29.21 29.20 29.20 29.27 29.34 29.44 29.48 29.51 29.51
Date 06/03Thu 06/04/26Fri 06/05/26Sat 06/06/26Sun 06/07/26
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 79 56 86 60 90 64 92 67 91
TEMP 77 74 58 61 84 80 64 65 88 85 68 68 90 85 72 70 89 84
DEWPT 45 46 46 48 47 49 51 53 51 52 54 57 54 55 58 60 59 59
RH 32 37 64 62 28 34 63 65 28 32 61 68 30 36 61 71 37 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW CL CL CL CL FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 0 0 0 10 10 20
RAIN SHWRS IS 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