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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Jun 25 2026
VAZ024-260800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
231 PM EDT Thu Jun 25 2026
Date 06/25/26 Fri 06/26/26 Sat 06/27/26 Sun
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 64 95 66 91 66
TEMP 87 82 70 67 65 69 86 93 93 83 73 70 68 71 84 90 88 81 73 69 67 72
DEWPT 59 61 59 59 59 62 65 64 65 67 67 67 66 68 70 69 70 70 70 68 67 69
MIN/MAX RH 84 39 96 51 100
RH 39 49 68 75 81 78 50 38 40 59 81 90 93 90 63 50 55 69 90 97100 90
WIND DIR SW S SW SW N N W SW SW W S N N SW W W W W W W W NW
WIND SPD 6 2 1 1 0 0 2 4 4 2 1 0 0 1 4 5 5 3 1 1 1 1
WIND GUST 12 16 17 13
CLOUDS SC FW SC SC B1 B1 FW SC B1 SC B1 B1 B2 B1 B1 B2 B2 B1 SC SC SC SC
CLOUDS(%) 33 20 29 50 59 52 22 34 64 46 68 55 73 63 58 71 71 53 39 36 38 32
VSBY 10 10 10 10 10 10 10 10 10 6 10 10 10 10 10 10 10 10
POP 12HR 0 30 30 60 20
RAIN SHWRS SC IS IS IS IS IS NM NM IS IS IS
TSTMS SC IS IS SC SC IS
MIX HGT 7 <1 <1 <1 <1 <1 4 6 5 <1 <1 <1 <1 <1 4 5 4 1
T WIND DIR SW S S SW W W W SW S S S SW SW SW SW W W W
T WIND SPD 10 12 3 3 2 2 10 10 14 11 10 6 10 18 26 31 28 17
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 77 6 2 2 1 2 56 81 63 5 5 3 4 19 98125103 8
MAX LVORI 1 2 3 4 5 4 1 1 1 3 5 6 6 4 1 1 1 3
STABILITY B G G F F A A A C F F F F B C C C F
CEILING None None 9300 None None 15200 13400 3600 4600 None
STA PRES 28.52 28.54 28.57 28.59 28.52 28.50 28.45 28.40 28.39
Date 06/28Mon 06/29/26Tue 06/30/26Wed 07/01/26Thu 07/02/26
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 89 66 90 66 95 68 99 71 101
TEMP 85 82 69 70 88 83 69 71 93 87 71 73 97 90 73 76100 91
DEWPT 69 69 67 68 67 67 64 65 66 68 64 65 66 68 65 67 66 68
RH 59 65 93 93 50 59 84 81 41 53 79 76 36 49 76 74 33 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC FW FW FW FW FW FW CL FW FW FW FW FW
POP 12HR 50 30 20 0 5 5 10 10 20
RAIN SHWRS IS SC SC IS IS IS
TSTMS SC 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