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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Jun 29 2026
VAZ046-300800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
231 PM EDT Mon Jun 29 2026
Date 06/29/26 Tue 06/30/26 Wed 07/01/26 Thu
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 67 90 68 98 72
TEMP 84 80 72 69 67 71 82 88 90 85 75 71 69 72 88 95 97 91 80 75 72 76
DEWPT 71 72 71 69 67 68 69 68 67 68 66 64 63 66 69 70 68 69 71 69 67 67
MIN/MAX RH 100 48 84 38 83
RH 65 77 97100100 90 65 52 47 57 74 79 81 81 54 45 39 49 74 82 84 74
WIND DIR E E E SE N N S S S S S S S SW SW S S S S S S SW
WIND SPD 5 3 2 1 0 0 2 4 4 3 4 4 4 5 4 4 5 4 4 4 3 3
CLOUDS SC SC SC FW SC SC FW FW FW CL FW FW SC CL CL FW CL CL CL CL CL CL
CLOUDS(%) 37 39 34 24 43 46 17 13 11 3 6 20 38 2 3 9 2 0 0 3 4 3
VSBY 10 10 10 8 5 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 10 0 5
RAIN SHWRS IS
TSTMS IS
Obvis PF PF
MIX HGT 4 <1 <1 <1 <1 <1 4 5 6 <1 <1 <1 <1 <1 3 6 7 <1
T WIND DIR NE E E SE SE S SE S S S S S SW SW N N SW S
T WIND SPD 5 9 2 3 3 4 2 3 5 10 4 5 4 10 4 0 2 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 31 4 1 2 2 5 10 22 40 5 2 3 2 12 19 0 20 1
MAX LVORI 1 4 8 10 10 6 2 2 1 3 3 4 5 4 2 2 2 2
STABILITY A G G G G A A A A G F F F A A A A F
CEILING None None None None None None None None None None
STA PRES 29.38 29.42 29.45 29.48 29.40 29.39 29.39 29.36 29.32
Date 07/02Fri 07/03/26Sat 07/04/26Sun 07/05/26Mon 07/06/26
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 100 74 100 74 103 73 100 72 96
TEMP 98 93 76 77 98 90 75 78102 90 75 78 99 87 74 76 95 86
DEWPT 68 70 68 68 65 66 67 68 67 68 68 70 69 71 70 71 70 71
RH 38 47 76 74 34 45 76 71 32 49 79 76 38 59 87 85 45 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL FW FW FW FW FW B1 B1 FW FW B1 B1 SC SC B2
POP 12HR 0 0 5 10 30 30 40 30 60
RAIN SHWRS SC SC SC SC NM
TSTMS SC IS SC 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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