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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Jun 24 2026
VAZ046-242000-
RAWS 441101
37.39N 78.80W Elev. 804 ft
401 AM EDT Wed Jun 24 2026
Date Wed 06/24/26 Thu 06/25/26 Fri 06/26/26
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 59 89 68 93
TEMP 59 64 76 80 82 76 66 62 60 67 80 86 88 83 74 71 69 73 85 90 89 82
DEWPT 53 55 55 54 54 57 55 55 55 59 60 60 60 62 61 62 62 65 66 65 67 68
MAX/MIN RH 38 86 38 78 44
RH 80 73 48 41 38 52 68 78 84 75 51 42 39 49 64 73 78 76 53 44 48 63
WIND DIR NW N N NW SW S S S S SW SW SW SW S S S SW SW SW SW SW S
WIND SPD 4 3 3 2 2 2 2 1 2 2 6 9 9 5 6 5 6 5 6 8 9 5
CLOUDS CL CL SC SC FW FW SC SC B1 B1 SC FW SC SC FW SC SC FW FW SC SC B1
CLOUDS(%) 3 5 37 36 25 20 34 36 56 53 46 25 27 31 23 43 39 25 21 43 43 62
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 20
RAIN SHWRS IS IS SC
TSTMS IS IS SC
MIX HGT <1 <1 5 6 6 <1 <1 <1 <1 <1 5 7 7 <1 <1 <1 <1 1 4 8 4 <1
T WIND DIR NW N N W W S SE SE N S SW S SW SW S SW SW SW SW SW S S
T WIND SPD 4 12 3 2 4 1 1 1 0 1 8 9 11 14 3 3 3 8 9 9 13 16
DISPERSION VP VP VP VP VP PR PR PR PR PR
ADI 2 13 20 17 35 1 1 1 0 1 43 71 89 7 2 2 2 12 45 78 62 11
MAX LVORI 5 3 2 2 1 2 4 4 6 4 1 1 1 2 3 3 4 4 1 1 1 2
STABILITY F A A A A G G G F B B B B F F E F A B B B E
CEILING None None None None None None None None None None
STA PRES 29.38 29.33 29.34 29.35 29.36 29.32 29.33 29.35 29.38 29.30
Date Sat 06/27/26Sun 06/28/26Mon 06/29/26Tue 06/30/26
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 70 90 68 90 67 91 68 94
TEMP 73 74 86 82 71 72 87 84 70 70 88 85 70 72 91 89
DEWPT 66 68 69 70 68 69 68 67 65 65 64 64 62 63 65 65
RH 79 82 57 67 90 90 53 57 84 84 45 50 76 73 42 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC B1 SC B1 SC SC SC SC FW FW FW FW
POP 12HR 40 30 20 30 10 5 5 5
RAIN SHWRS SC IS SC IS SC
TSTMS SC SC 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