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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Jun 24 2026
NCZ005-250800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 PM EDT Wed Jun 24 2026
Date 06/24/26 Thu 06/25/26 Fri 06/26/26 Sat
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 59 90 69 94 71
TEMP 67 64 61 67 81 87 89 85 75 72 69 73 88 93 91 86 77 74 72 75
DEWPT 54 54 54 55 59 58 58 60 60 61 62 65 65 64 65 67 68 68 68 69
MIN/MAX RH 78 34 80 39 89
RH 63 70 78 65 47 38 35 43 60 68 78 76 47 38 42 53 74 82 87 82
WIND DIR S N N SW SW SW SW S S S SW SW SW SW SW SW S SW SW SW
WIND SPD 1 0 0 1 4 6 6 4 4 4 5 5 6 9 9 6 4 3 4 5
CLOUDS FW FW FW SC SC FW FW SC FW FW FW FW FW SC SC B1 SC SC B1 B1
CLOUDS(%) 6 21 20 48 36 21 8 29 25 22 9 22 16 35 48 58 43 40 53 61
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 20 50
RAIN SHWRS IS IS SC SC
TSTMS IS IS SC IS
MIX HGT <1 <1 <1 <1 4 7 8 <1 <1 <1 <1 1 6 7 6 <1
T WIND DIR S SW SW SW SW SW SW SW S SW S SW SW SW SW S
T WIND SPD 1 1 2 2 9 8 11 12 5 4 3 11 10 10 13 11
DISPERSION VP VP VP VP VP VP PR PR VP VP VP
ADI 1 1 1 2 48 63 92 6 3 2 2 18 67 79 91 8
MAX LVORI 2 3 3 3 1 1 1 2 3 3 4 3 1 1 1 2
STABILITY G G G A A B B F F F F A B B B E
CEILING None None None None None None None None None
STA PRES 29.31 29.31 29.34 29.29 29.30 29.34 29.35 29.32
Date 06/27Sun 06/28/26Mon 06/29/26Tue 06/30/26Wed 07/01/26
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 95 70 92 69 93 69 98 71 94
TEMP 93 86 74 75 90 87 73 73 90 88 73 73 95 93 76 76 91 86
DEWPT 67 69 70 71 70 70 70 71 68 65 65 68 66 64 64 68 66 64
RH 43 57 87 87 52 57 90 93 49 47 76 84 39 38 66 76 44 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC B1 SC SC B1 SC FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 20 30 30 10 10 5 5 5 10
RAIN SHWRS IS SC IS SC
TSTMS IS 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
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