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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Wed Jul 1 2026
NCZ005-020800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
131 AM EDT Wed Jul 1 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 68 96 72 100 74
TEMP 74 70 73 87 94 96 90 82 77 73 76 90 98100 94 83 77 74 77
DEWPT 66 65 68 72 71 68 69 69 68 67 69 72 71 68 70 69 68 67 69
MIN/MAX RH 90 41 81 36 79
RH 76 84 84 61 47 40 50 65 74 81 79 56 42 36 46 63 74 79 76
WIND DIR S SW SW W E SE S S S SW SW W E E SE S S SW SW
WIND SPD 2 3 3 3 2 2 2 3 3 3 2 2 4 3 2 3 2 3 3
CLOUDS B1 B1 FW FW FW FW CL CL CL CL CL CL FW FW FW CL CL FW FW
CLOUDS(%) 54 54 14 8 14 17 5 1 4 0 1 3 9 13 15 5 4 7 10
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 0
MIX HGT <1 <1 1 3 6 7 <1 <1 <1 <1 <1 3 7 8 <1 <1 <1 <1 1
T WIND DIR S S SW N N NW SW S S S W N N NE NE N SW SW NW
T WIND SPD 4 4 10 8 3 1 2 3 3 4 6 4 4 5 3 0 2 2 2
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 2 2 13 31 27 10 1 2 2 2 7 20 39 53 2 0 1 1 3
MAX LVORI 4 5 4 1 2 2 2 3 3 4 4 2 1 1 2 3 3 4 4
STABILITY F F A A A A G G G G A A A A G G G G A
CEILING None None None None None None None None None
STA PRES 29.35 29.36 29.30 29.30 29.32 29.35 29.31 29.31 29.33
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 100 74 101 74 100 73 97 72 94
TEMP 99 93 77 78100 92 78 78 99 90 77 77 97 86 75 76 93 85
DEWPT 68 67 67 68 65 65 67 69 66 67 68 71 69 70 71 71 70 70
RH 37 43 71 71 32 41 69 74 34 47 74 82 40 59 87 85 47 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC SC B2 B1 SC SC B1
POP 12HR 0 5 5 5 20 40 60 50 50
RAIN SHWRS IS SC NM SC SC
TSTMS 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