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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sat May 30 2026
VAZ024-302000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
131 PM 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 79 49 78 55 82
TEMP 78 77 69 60 53 50 54 67 75 77 71 62 58 56 59 75 81 80 72
DEWPT 53 50 49 47 45 44 46 49 52 54 56 54 53 53 56 58 55 54 56
MAX/MIN RH 38 79 44 93 39
RH 42 39 49 62 74 80 74 52 45 45 59 75 83 90 90 55 41 41 57
WIND DIR N NE NE NE NE N N N S S S S N N N N N NE NE
WIND SPD 3 5 4 2 1 1 0 0 2 3 1 1 0 0 0 2 3 3 2
WIND GUST 17
CLOUDS SC SC FW FW FW FW FW FW FW SC SC B1 SC SC B1 B1 B1 SC SC
CLOUDS(%) 29 29 25 25 18 17 11 16 10 37 26 69 27 38 59 55 56 48 41
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 0 0 5 5
MIX HGT 6 4 <1 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1 4 6 5 <1
T WIND DIR N NE E E NE NE E S S SW S S S SW NW N NW NW SE
T WIND SPD 10 8 12 4 3 2 5 2 4 6 10 4 3 1 3 6 6 5 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 76 39 6 2 2 1 11 10 25 38 5 2 2 1 3 33 51 39 2
MAX LVORI 1 1 2 3 3 5 4 2 2 1 3 3 5 7 6 1 1 1 3
STABILITY A A F G G G A A A A F F F F A A A A F
CEILING None None None None None None None 19600 None
STA PRES 28.45 28.58 28.64 28.62 28.52 28.48 28.43 28.41 28.36
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 54 77 50 78 51 82 56 85
TEMP 58 58 74 69 55 55 76 71 56 56 80 75 60 61 84 79
DEWPT 52 52 52 53 48 49 48 52 48 50 53 59 53 55 59 63
RH 80 80 46 57 77 80 37 51 74 80 39 58 78 81 43 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 SC FW FW FW FW FW CL CL FW FW FW SC
POP 12HR 5 40 10 5 5 0 5 10
RAIN SHWRS IS 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