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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Sun Jul 5 2026
NCZ003-060800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
231 AM EDT Sun Jul 5 2026
Date 07/04/26 Sun 07/05/26 Mon 07/06/26 Tue
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 74 91 70 93 70
TEMP 74 75 85 91 87 83 78 73 71 73 84 90 89 81 74 71 70 72
DEWPT 67 68 69 68 69 69 69 70 69 71 72 71 72 72 72 71 69 71
MIN/MAX RH 89 47 94 50 99
RH 79 79 59 47 55 63 74 90 93 93 67 54 57 74 93100 97 97
WIND DIR N NE SW SW SW S SW S SW W SW SW W W NW W NW NW
WIND SPD 2 2 2 3 4 2 2 2 2 2 2 4 3 2 3 2 3 3
CLOUDS FW SC FW B1 B1 B1 FW SC FW SC SC SC B2 B2 B2 B1 SC SC
CLOUDS(%) 17 30 14 53 63 55 25 35 25 34 33 43 70 77 75 60 46 45
VSBY 10 10 10 10 10 10 10 9 8 10 10 10 10 10
POP 12HR 5 50 20 70 60
RAIN SHWRS SC SC IS IS IS IS NM NM NM IS
TSTMS SC SC IS IS IS NM SC IS
MIX HGT <1 <1 4 8 4 <1 <1 <1 <1 <1 3 6 4 <1
T WIND DIR N NE SW SW SW W N NE E N N NW SW W
T WIND SPD 2 2 5 8 11 9 4 2 3 0 2 1 1 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 1 2 26 76 41 4 2 1 2 0 9 5 6 2
MAX LVORI 3 3 2 1 1 3 4 5 5 6 3 2 3 3
STABILITY G A A A C F F G G A A C B F
CEILING None None 4100 None None None 3600 3600
STA PRES 28.90 28.91 28.88 28.89 28.94 28.95 28.91
Date 07/07Wed 07/08/26Thu 07/09/26Fri 07/10/26Sat 07/11/26
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 89 68 88 69 90 69 91 70 89
TEMP 87 80 70 70 85 82 71 71 87 84 72 72 87 85 72 72 86 83
DEWPT 71 71 69 68 68 69 67 68 68 69 68 68 69 69 68 68 69 69
RH 59 74 97 93 57 65 87 90 53 61 87 87 55 59 87 87 57 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B1 SC SC B1 SC FW SC B1 SC SC FW SC SC SC SC B1
POP 12HR 70 40 30 20 30 10 20 20 40
RAIN SHWRS IS NM SC SC IS SC IS IS SC
TSTMS IS SC IS 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
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