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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Jul 6 2026
NCZ005-062000-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 AM EDT Mon Jul 6 2026
Date Mon 07/06/26 Tue 07/07/26 Wed 07/08/26
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 92 72 91 70 89
TEMP 85 92 91 85 78 75 74 76 85 90 89 83 76 73 71 73 81 86 88 84
DEWPT 72 70 68 70 71 71 71 72 73 71 71 73 73 72 71 72 73 72 71 72
MAX/MIN RH 47 93 53 100 56
RH 65 49 47 61 79 87 90 87 67 54 56 72 90 97100 97 77 63 57 67
WIND DIR SW SW SW W S SW SW W SW SW W N N NW N N N N N NE
WIND SPD 2 4 4 2 2 1 1 2 3 4 4 2 1 1 2 3 4 4 3 1
CLOUDS SC SC B1 B2 B2 B1 SC B1 FW B1 OV B2 B2 SC B1 B1 B1 B1 B1 B1
CLOUDS(%) 37 36 57 77 72 54 44 54 18 55 88 70 70 44 52 51 54 56 56 56
VSBY 10 10 7 6 7 7 10 10 10 7 3 6 6 10 10 10 10 7 7 7
POP 12HR 50 50 70 50 30
RAIN SHWRS SC SC SC IS IS NM SC SC SC SC SC
TSTMS SC SC SC IS NM SC IS SC SC SC
MIX HGT 3 6 5 <1 <1 <1 <1 <1 4 6 4 <1 <1 <1 <1 <1 4 5 5 <1
T WIND DIR W SW SW SW W W S SW W NW W N NE N N NE N S S S
T WIND SPD 5 9 10 14 12 4 2 6 10 5 3 1 2 2 2 9 4 1 4 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 24 68 60 7 6 2 1 9 47 26 13 1 1 1 1 11 16 5 28 1
MAX LVORI 3 1 1 3 4 6 7 5 1 2 2 4 7 8 10 6 3 3 2 4
STABILITY A A B F F F F B A C C F F F F B C C B F
CEILING None 7700 3300 None None 3900 4300 None None None
STA PRES 29.23 29.18 29.21 29.22 29.23 29.19 29.22 29.24 29.26 29.22
Date Thu 07/09/26Fri 07/10/26Sat 07/11/26Sun 07/12/26
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 93 72 92 72 90 70 88
TEMP 73 74 90 86 74 75 90 87 75 76 88 84 73 72 86 82
DEWPT 71 72 72 71 70 71 70 70 69 70 70 70 69 69 68 67
RH 93 93 56 61 87 87 52 57 82 82 55 63 87 90 55 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC B1 FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 30 20 30 10 10 40 30 30
RAIN SHWRS SC SC IS SC SC SC IS IS SC
TSTMS SC IS IS SC SC SC 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