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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Fri Jun 26 2026
NCZ003-262000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1101 AM EDT Fri Jun 26 2026
Date Fri 06/26/26 Sat 06/27/26 Sun 06/28/26
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 87 66 87 66 88
TEMP 83 86 80 73 70 68 71 79 84 86 80 74 71 69 71 80 84 86 80
DEWPT 66 69 69 68 67 66 68 70 69 71 70 69 67 66 68 68 67 67 68
MAX/MIN RH 55 100 60 100 52
RH 57 57 69 84 90 93 90 74 61 61 72 84 87 90 90 67 57 53 67
WIND DIR SW S S S S S S SW SW W W W SW NW NW NW NW NW NW
WIND SPD 6 5 2 1 1 1 1 5 6 5 3 2 1 2 2 4 4 4 3
CLOUDS B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC SC SC SC SC B1 B1 FW
CLOUDS(%) 71 63 55 65 57 66 63 53 71 61 61 47 36 33 39 31 53 53 22
VSBY 10 10 10 10 10 7 10 10 10 10 10 10 8 4 7 10 10 10 10
POP 12HR 40 30 50 20 30
RAIN SHWRS SC SC SC IS IS SC SC IS IS SC SC
TSTMS SC SC SC IS IS SC SC IS IS SC SC
MIX HGT 5 4 <1 <1 <1 <1 <1 3 5 3 <1 <1 <1 <1 2 4 5 5 <1
T WIND DIR S S S S S S S W W SW NE W W NW NW NW NW NW N
T WIND SPD 6 13 2 1 1 1 1 13 16 8 3 2 3 2 13 16 13 10 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 43 66 3 5 4 3 6 32 63 31 1 4 1 2 29 75 58 47 5
MAX LVORI 1 1 3 5 6 6 5 3 1 1 3 5 6 6 4 1 1 1 3
STABILITY B B F F F F B C B C F F G G A A C C G
CEILING 5900 4500 900 1000 6100 None None None None
STA PRES 28.20 28.20 28.18 28.17 28.11 28.09 28.09 28.13 28.10
Date Mon 06/29/26Tue 06/30/26Wed 07/01/26Thu 07/02/26
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 66 89 67 91 69 95 71 97
TEMP 70 72 86 82 72 73 87 82 73 74 91 86 76 76 93 88
DEWPT 66 68 67 69 66 67 66 68 64 67 65 69 66 69 63 68
RH 87 87 53 65 81 81 50 63 73 79 42 57 71 79 37 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW CL FW FW FW FW FW
POP 12HR 10 30 5 5 0 5 5 10
RAIN SHWRS SC
TSTMS 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