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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu May 28 2026
VAZ018-282000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM EDT Thu May 28 2026
Date Thu 05/28/26 Fri 05/29/26 Sat 05/30/26
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 78 54 81 56 78
TEMP 72 78 77 70 62 58 54 58 70 78 80 73 65 59 57 58 70 75 77 70
DEWPT 61 56 53 52 51 50 48 51 54 52 51 53 51 49 47 50 51 52 52 51
MAX/MIN RH 43 80 37 74 41
RH 68 47 43 53 67 75 80 77 57 40 36 49 60 69 69 75 51 45 42 51
WIND DIR N NW NW N N N E SE S SW W W NW NW NW NW N N NE E
WIND SPD 6 10 10 8 4 2 2 1 3 4 5 3 3 3 3 3 2 3 3 3
WIND GUST 17 20 18 16
CLOUDS FW FW FW CL CL CL FW FW FW FW SC SC SC SC SC B1 B1 B1 B1 B1
CLOUDS(%) 8 10 8 4 4 3 11 19 22 25 35 45 42 39 46 53 57 59 57 59
VSBY 10 10 10 10 10 10 6 8 10 10 10 10
POP 12HR 0 0 0 0 5
MIX HGT 4 6 6 <1 <1 <1 <1 1 3 4 5 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR N N N N N NW NW E SW W W S W NW NW NW N N N NE
T WIND SPD 16 17 16 16 5 3 3 3 5 5 6 2 3 4 4 4 9 8 8 8
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 69116103 11 3 2 2 5 21 32 40 1 2 2 2 4 29 45 37 4
MAX LVORI 1 1 1 2 3 3 4 4 2 1 1 2 3 3 3 3 2 1 1 2
STABILITY B B B E F G G A A A A F F G F A A B B F
CEILING None None None None None None None None 21300 4300
STA PRES 27.80 27.79 27.84 27.86 27.83 27.71 27.67 27.63 27.64 27.65
Date Sun 05/31/26Mon 06/01/26Tue 06/02/26Wed 06/03/26
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 53 74 55 76 52 75 51 75
TEMP 58 57 71 67 57 59 74 68 56 57 72 66 54 56 72 66
DEWPT 46 45 51 54 51 54 54 53 49 50 49 51 46 48 50 52
RH 64 64 49 63 80 83 50 59 77 77 44 58 74 74 46 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC SC SC B1 SC FW SC SC FW FW FW SC
POP 12HR 5 5 20 30 10 20 10 10
RAIN SHWRS IS IS SC 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