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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Jun 23 2026
NCZ001-240800-
RAWS 310141
36.40N 81.29W Elev. 3009 ft
431 PM EDT Tue Jun 23 2026
Date 06/23/26 Wed 06/24/26 Thu 06/25/26 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 51 74 55 78 61
TEMP 68 64 59 55 52 55 67 72 74 70 61 58 56 60 72 76 78 75 66 63 61 65
DEWPT 57 53 52 51 49 51 51 52 52 54 52 51 50 53 56 57 58 60 59 59 58 60
MIN/MAX RH 92 46 83 50 91
RH 68 67 78 86 89 86 56 49 46 57 72 77 80 78 57 52 50 60 78 87 90 84
WIND DIR NW N N N NW N N N W S W N N N S S S S SW W W SW
WIND SPD 14 12 9 6 6 5 3 2 3 2 1 0 0 0 3 6 5 4 2 2 1 1
WIND GUST 23 19
CLOUDS SC CL CL CL FW FW SC SC FW FW FW SC SC SC FW SC FW FW FW FW SC SC
CLOUDS(%) 36 2 1 1 19 9 30 43 23 14 23 36 48 34 19 28 13 17 8 24 34 33
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9 10
POP 12HR 0 0 0 5 0
MIX HGT 3 1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 4 6 6 <1
T WIND DIR N N N N N N N NW W S SW W W W SW W SW S
T WIND SPD 27 26 10 9 6 11 6 2 2 6 2 2 3 2 9 6 6 13
DISPERSION FR PR PR PR VP VP VP VP VP VP VP VP
ADI 96 24 7 4 3 12 30 15 16 3 1 1 2 2 48 47 49 6
MAX LVORI 1 3 4 5 6 4 2 2 2 3 3 4 5 4 1 1 1 3
STABILITY C D E F F A A A A G G G F A A B A F
CEILING None None None None None None None None None
STA PRES 27.29 27.30 27.32 27.28 27.29 27.28 27.30 27.28
Date 06/26Sat 06/27/26Sun 06/28/26Mon 06/29/26Tue 06/30/26
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 80 63 79 63 81 63 83 62 86
TEMP 78 75 66 66 76 75 66 66 78 77 66 67 81 78 66 67 83 81
DEWPT 63 64 63 63 66 66 65 64 67 66 64 64 66 66 63 63 64 65
RH 60 69 90 90 71 74 97 93 69 69 93 90 60 67 90 87 53 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC B1 B1 B1 SC B1 B1 SC FW SC B1 SC FW FW SC
POP 12HR 50 20 50 20 30 10 30 5 20
RAIN SHWRS SC IS IS SC SC IS IS SC IS SC IS
TSTMS SC IS IS SC IS SC IS SC 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