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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun May 31 2026
VAZ018-010800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 PM EDT Sun May 31 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 59 79 56 73 51
TEMP 62 60 60 63 72 77 76 68 62 59 56 58 66 71 69 63 57 53 51 55
DEWPT 54 54 55 56 54 52 50 52 49 47 47 49 51 51 52 52 49 46 44 48
MIN/MAX RH 83 38 72 49 80
RH 75 81 84 78 53 42 40 57 62 64 72 72 58 49 55 67 75 77 77 77
WIND DIR SW W NW NW N N N N NE E E E E E NE NE N N NW NW
WIND SPD 3 2 2 2 3 3 3 2 1 1 1 2 3 3 2 1 1 0 1 1
WIND GUST 14 12 13
CLOUDS B1 B1 B1 SC B1 B1 B1 B2 B1 B1 SC B1 B1 B1 B1 SC SC FW FW CL
CLOUDS(%) 67 61 66 50 51 60 65 80 58 61 47 52 53 59 59 39 26 6 10 1
VSBY 10 9 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 8 8
POP 12HR 0 10 20 40 5
RAIN SHWRS IS IS SC SC
TSTMS SC SC
MIX HGT <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 1 3 5 4 <1
T WIND DIR S W W NW N NW NE E E E E E NE NE NE NE
T WIND SPD 6 4 2 3 4 8 2 8 2 12 14 14 13 12 11 10
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 3 2 1 4 22 54 12 4 1 6 7 27 56 77 65 5
MAX LVORI 3 4 5 4 2 1 2 3 3 3 3 3 1 1 1 3
STABILITY F F F A B B B F F F F B B B A G
CEILING 3900 2500 None 4700 2900 None None None None
STA PRES 27.75 27.73 27.75 27.74 27.80 27.87 27.94 27.96
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 78 53 83 57 86 63 87 65 87
TEMP 75 67 55 59 81 74 60 63 83 77 64 66 85 78 67 68 84 78
DEWPT 46 52 46 49 51 55 50 53 55 59 54 57 59 62 58 60 62 64
RH 36 59 72 69 35 51 69 70 38 54 70 73 41 58 73 76 48 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW CL FW FW SC SC FW SC SC SC B1 B1 B1
POP 12HR 0 0 0 0 5 5 20 20 40
RAIN SHWRS IS IS SC SC
TSTMS IS 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