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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Fri May 29 2026
VAZ018-292000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1101 AM EDT Fri May 29 2026
Date Fri 05/29/26 Sat 05/30/26 Sun 05/31/26
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 83 54 79 52 75
TEMP 79 81 70 62 58 55 58 72 77 77 67 61 55 52 55 64 72 74 67
DEWPT 51 49 54 49 46 44 47 51 52 53 53 46 43 43 45 49 51 52 54
MAX/MIN RH 33 68 41 72 46
RH 38 33 57 62 64 66 67 48 42 43 61 58 64 71 69 58 48 46 63
WIND DIR SW W NW NW NW NW NW N N E E E E E E SE SE S S
WIND SPD 2 2 2 2 2 2 2 2 2 3 3 4 2 1 1 3 3 3 2
WIND GUST 16 17
CLOUDS FW SC SC B1 SC B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC
CLOUDS(%) 7 27 45 54 45 64 56 58 78 81 65 62 40 43 27 26 38 50 48
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 10 5 0
MIX HGT 4 5 <1 <1 <1 <1 <1 3 5 3 <1 1 <1 <1 2 3 5 4 <1
T WIND DIR W W S W NW NW NW N N E E E E E NE N NE NW SE
T WIND SPD 5 8 2 3 4 4 4 10 8 11 9 18 17 12 9 5 3 1 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 32 47 1 2 2 2 4 37 46 42 4 12 8 6 18 22 20 6 2
MAX LVORI 1 1 3 3 3 3 3 1 1 1 3 2 3 3 3 2 2 2 3
STABILITY A A F F F F A A B B F E G F A A A A F
CEILING None None 32800 35000 3800 4400 None None None
STA PRES 27.72 27.69 27.66 27.68 27.70 27.83 27.90 27.92 27.86
Date Mon 06/01/26Tue 06/02/26Wed 06/03/26Thu 06/04/26
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 57 79 53 76 51 76 53 79
TEMP 58 61 77 69 57 58 74 68 55 57 74 68 56 58 77 71
DEWPT 50 54 53 52 47 48 47 49 44 46 47 51 46 48 52 55
RH 75 78 43 55 69 69 38 51 66 67 38 54 69 69 42 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC FW FW FW FW FW FW CL FW FW FW FW FW
POP 12HR 10 20 5 5 5 5 0 5
RAIN SHWRS 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