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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Mon Jun 29 2026
NCZ003-292000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1101 AM EDT Mon Jun 29 2026
Date Mon 06/29/26 Tue 06/30/26 Wed 07/01/26
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 86 68 89 68 95
TEMP 84 85 81 73 70 69 72 80 84 87 83 75 71 69 74 86 91 93 88
DEWPT 70 71 73 71 69 69 70 73 72 73 73 71 69 68 70 73 71 70 72
MAX/MIN RH 64 100 63 97 47
RH 63 63 77 93 97100 93 79 67 63 72 87 93 97 87 65 52 47 59
WIND DIR E E S N N N N N SE SE N N N N N N SE SE N
WIND SPD 3 2 1 0 0 0 0 0 2 2 0 0 0 0 0 0 3 2 0
CLOUDS SC SC B1 B1 B1 B1 B2 B1 SC FW SC SC FW FW FW FW FW FW FW
CLOUDS(%) 40 40 62 51 53 56 77 57 45 22 32 27 18 10 21 6 17 12 17
VSBY 10 10 10 10 10 6 10 10 10 10 10 10 10 7 10 10 10 10 10
POP 12HR 20 10 20 5 5
RAIN SHWRS IS
TSTMS IS
Obvis PF PF
MIX HGT 5 4 <1 <1 <1 <1 1 3 4 4 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR N N SE E E E SE W W SW SW SW SW NW NW N N N NW
T WIND SPD 4 2 4 3 3 4 4 2 2 3 5 3 3 2 5 12 9 9 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 30 11 2 2 2 2 7 8 12 17 3 2 2 1 6 55 60 60 1
MAX LVORI 2 2 4 7 8 9 6 4 3 2 3 6 7 8 5 1 1 1 3
STABILITY A A F F F F B B A A G G G G A A A A G
CEILING None None 2500 None None None None None None
STA PRES 28.21 28.24 28.25 28.28 28.23 28.21 28.21 28.21 28.17
Date Thu 07/02/26Fri 07/03/26Sat 07/04/26Sun 07/05/26
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 98 71 96 71 96 71 94
TEMP 73 77 95 89 73 76 94 87 73 77 93 86 74 76 90 83
DEWPT 68 69 66 70 65 67 64 69 64 67 65 69 66 68 67 70
RH 84 76 39 54 76 74 37 55 73 71 40 57 76 76 47 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL FW FW CL CL FW FW FW FW B1 B1 SC SC B2
POP 12HR 5 5 5 10 10 30 30 60
RAIN SHWRS SC SC IS NM
TSTMS 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