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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EDT Tue Jun 30 2026
NCZ001-010800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
201 PM EDT Tue Jun 30 2026
Date 06/30/26 Wed 07/01/26 Thu 07/02/26 Fri
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 66 81 66 84 67
TEMP 76 72 69 68 67 67 74 79 81 74 69 67 66 69 76 83 84 78 71 69 68 69
DEWPT 66 68 67 66 65 65 65 64 63 64 65 64 63 64 63 61 60 63 62 62 61 61
MIN/MAX RH 97 54 92 45 80
RH 71 87 93 93 93 93 74 60 54 71 87 90 90 84 64 47 44 60 73 78 78 76
WIND DIR NE N W S NW N N NE NE NE W W NW NW NE E SE SE S NW NW NW
WIND SPD 1 3 4 4 3 4 4 3 3 3 4 4 4 4 5 6 5 4 3 3 2 3
CLOUDS B1 SC FW SC SC FW FW SC SC FW FW FW FW FW FW SC FW SC FW CL CL SC
CLOUDS(%) 61 36 21 34 29 25 16 28 30 16 16 8 15 18 16 31 24 29 17 3 5 30
VSBY 10 10 10 4 1 5 10 10 10 10 10 2 1 10 10 10 10 10 10 4 1 10
POP 12HR 5 20 5 20 0
RAIN SHWRS SC IS IS IS
TSTMS SC IS IS IS
Obvis PF PF PF PF PF
MIX HGT 2 1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 4 7 7 <1
T WIND DIR SE SW NW NW NW NW N NE N NW NW NW NW NW NE E E SE
T WIND SPD 3 4 3 2 3 4 9 3 3 1 2 3 3 2 3 4 3 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 11 2 2 1 2 4 41 21 23 1 1 2 2 2 16 35 28 2
MAX LVORI 3 6 8 8 8 6 3 2 2 4 6 7 7 5 2 1 2 3
STABILITY B G F F G A A A A G F F F A A B A F
CEILING None None None None None None None None None None
STA PRES 26.86 26.85 26.87 26.89 26.86 26.86 26.87 26.89 26.88
Date 07/03Sat 07/04/26Sun 07/05/26Mon 07/06/26Tue 07/07/26
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 81 67 84 66 82 65 80 64 78
TEMP 79 72 66 68 83 73 67 68 80 71 67 65 78 70 67 65 76 69
DEWPT 58 62 60 61 59 63 61 62 63 64 63 63 65 64 63 63 65 63
RH 49 71 81 78 44 71 81 81 56 79 87 93 64 81 87 93 69 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW B1 SC SC B1 B2 B1 SC B1 B2 B1 SC B1 B2
POP 12HR 10 0 30 20 70 40 70 30 70
RAIN SHWRS SC IS SC NM SC SC NM SC SC NM
TSTMS SC IS IS SC SC IS SC IS 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