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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Jun 29 2026
NCZ003-300800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
401 PM EDT Mon Jun 29 2026
Date 06/29/26 Tue 06/30/26 Wed 07/01/26 Thu
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 67 89 68 95 70
TEMP 85 81 72 70 69 71 80 85 88 85 75 71 69 73 86 92 94 89 78 73 71 76
DEWPT 72 73 71 69 68 70 73 73 73 73 71 68 66 69 72 69 67 69 70 68 67 68
MIN/MAX RH 100 60 94 41 87
RH 65 77 97 97 97 97 79 67 61 67 87 90 90 87 63 47 41 52 76 84 87 76
WIND DIR E N N N N N N SE SE N N N N N N E SE N N N N N
WIND SPD 2 0 0 0 0 0 0 2 2 0 0 0 0 0 0 2 2 0 0 0 0 0
CLOUDS B1 B1 SC B1 B2 B2 B1 SC FW FW SC FW FW FW CL FW FW FW FW CL CL FW
CLOUDS(%) 51 53 44 66 71 80 65 50 25 23 32 16 24 21 4 13 8 9 7 3 3 6
VSBY 10 10 10 10 6 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 20 10 10 5
RAIN SHWRS SC SC IS IS
TSTMS SC IS IS IS
Obvis PF PF PF
MIX HGT 5 <1 <1 <1 <1 1 3 4 4 <1 <1 <1 <1 <1 4 6 7 <1
T WIND DIR N E E E SE SE S S SE S SE S SW W N N N S
T WIND SPD 4 5 5 3 3 5 3 1 5 6 2 6 4 5 10 4 3 1
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 25 3 3 2 2 9 11 6 30 3 1 3 2 6 51 33 28 1
MAX LVORI 2 4 8 8 10 6 4 3 2 3 6 6 6 6 1 1 2 3
STABILITY B F F F F B B A A G G G G A A A A G
CEILING None 2000 1100 None None None None None None
STA PRES 28.25 28.27 28.30 28.24 28.25 28.25 28.22 28.20
Date 07/02Fri 07/03/26Sat 07/04/26Sun 07/05/26Mon 07/06/26
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 97 70 97 70 98 70 96 69 93
TEMP 94 89 73 75 95 89 72 76 97 87 72 75 94 84 71 74 92 83
DEWPT 67 69 66 68 65 68 65 67 66 70 66 68 68 71 67 69 70 71
RH 41 52 79 79 37 50 79 74 36 57 81 79 43 65 87 84 49 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW CL FW FW FW FW B1 SC FW FW B1 B1 SC SC B2
POP 12HR 5 5 10 5 30 20 50 30 60
RAIN SHWRS SC IS IS SC SC IS NM
TSTMS SC IS IS SC SC 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