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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
211 AM EDT Mon Jun 1 2026
VAZ020-020800-
RAWS 441801
37.99N 79.76W Elev. 2160 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 57 77 56 71 51
TEMP 58 61 70 74 74 67 63 60 57 57 63 68 68 63 57 53 51 56
DEWPT 50 52 48 45 45 48 45 45 46 48 48 47 46 47 44 43 42 46
MIN/MAX RH 77 33 73 44 74
RH 75 72 45 35 35 50 52 58 67 72 58 47 45 56 62 69 71 69
WIND DIR NW NW N N NE N N NE NE NE E E E NE N N NW NW
WIND SPD 1 1 2 1 1 1 2 3 2 3 2 2 1 1 2 2 2 2
CLOUDS SC SC SC B2 B2 B1 SC SC B2 B1 B1 SC SC SC FW FW CL CL
CLOUDS(%) 48 49 50 71 71 61 50 48 72 53 66 40 27 42 23 8 2 3
VSBY 10 10 10 10 10 10 10 10 7 7 10 7 10 10 10 10 10 10
POP 12HR 0 0 20 40 0
RAIN SHWRS IS SC IS
TSTMS IS
MIX HGT <1 <1 4 6 6 <1 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1
T WIND DIR NW N N N E E NE E E E NE N N N N NW NW NW
T WIND SPD 3 6 9 4 5 9 4 12 5 8 5 3 3 4 1 2 3 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 7 51 32 37 4 2 6 3 16 19 17 18 2 1 1 2 2
MAX LVORI 4 3 1 1 1 2 2 3 3 3 2 2 2 3 3 3 3 3
STABILITY F A A B B F F F F B B A A F G G G A
CEILING None None 5400 None 3300 None None None None
STA PRES 27.78 27.80 27.82 27.88 27.95 28.04 28.04 28.06 28.06
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 77 54 82 56 84 59 83 63 83
TEMP 74 69 57 59 79 74 61 63 82 77 64 65 81 77 67 68 81 77
DEWPT 44 50 45 49 49 55 51 54 52 57 55 57 56 61 59 61 61 63
RH 34 51 64 69 35 51 70 72 35 50 73 75 42 58 75 78 51 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW CL CL FW FW FW SC SC SC SC SC B1 B1 B1 B1
POP 12HR 0 5 5 0 0 5 10 20 30
RAIN SHWRS IS SC SC
TSTMS 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