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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Fri Jun 26 2026
NCZ006-270800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
831 PM EDT Fri Jun 26 2026
Date 06/26/26 Sat 06/27/26 Sun 06/28/26 Mon
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 69 91 70 92 69
TEMP 73 72 70 73 84 90 89 82 76 73 71 74 84 89 91 87 76 72 70 73
DEWPT 70 70 70 72 72 70 70 71 70 70 69 71 72 71 70 71 70 70 70 71
MIN/MAX RH 99 50 98 50 100
RH 90 93100 97 67 52 54 69 82 90 93 90 67 56 50 59 82 93100 93
WIND DIR S S SW SW SW SW W SW SW N SW W NW NW NW NE N N NE NE
WIND SPD 3 2 2 4 5 6 6 1 1 0 1 1 4 4 3 1 0 0 1 2
CLOUDS B1 SC B1 B1 SC B1 OV B2 B2 B1 B1 B2 B1 SC B1 SC SC SC SC SC
CLOUDS(%) 51 50 55 61 49 69 88 83 76 60 67 75 60 48 58 32 29 27 38 45
VSBY 10 9 8 7 10 10 10 10 8 5 6 9 10 10 10 10 10 10 5 10
POP 12HR 20 60 40 20 20
RAIN SHWRS SC NM IS SC IS IS IS IS
TSTMS SC SC IS IS IS IS IS IS
MIX HGT <1 <1 <1 1 3 6 3 <1 <1 <1 <1 1 4 6 5 <1
T WIND DIR S S S SW W W SW SW SW SW SW W W W W W
T WIND SPD 4 5 5 10 10 11 12 5 3 4 4 6 10 8 9 10
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 3 3 16 39 51 42 3 2 2 2 11 57 55 55 5
MAX LVORI 5 6 9 5 3 1 1 3 5 6 6 5 1 1 1 3
STABILITY F F F C B C C F F F F A A A A G
CEILING None 11600 10600 4500 5500 6700 8300 None None
STA PRES 29.42 29.41 29.41 29.34 29.35 29.33 29.32 29.25
Date 06/29Tue 06/30/26Wed 07/01/26Thu 07/02/26Fri 07/03/26
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 91 68 95 71 97 75 101 77 101
TEMP 88 87 72 72 92 90 74 74 95 93 77 78100 96 79 80100 93
DEWPT 70 67 65 66 63 62 62 65 61 61 61 65 62 61 63 66 61 64
RH 55 52 79 81 38 39 66 74 33 35 58 64 29 32 58 62 28 38
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW FW CL CL FW FW FW CL FW FW FW FW SC
POP 12HR 20 5 0 5 0 5 5 5 20
RAIN SHWRS IS IS
TSTMS IS IS
$$
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