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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Mon Jul 6 2026
VAZ046-070800-
RAWS 441101
37.39N 78.80W Elev. 804 ft
131 AM EDT Mon Jul 6 2026
Date 07/05/26 Mon 07/06/26 Tue 07/07/26 Wed
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 73 94 72 88 68
TEMP 75 74 75 86 93 91 80 75 74 73 74 81 87 85 79 74 71 69 71
DEWPT 70 70 70 75 73 73 74 73 73 72 73 76 75 75 75 73 71 69 71
MIN/MAX RH 88 51 96 68 100
RH 84 87 84 70 52 56 82 94 97 97 97 85 68 72 88 97100100100
WIND DIR SE E NE W S NW E E SW W S W NE NE NE NE N N NE
WIND SPD 1 1 2 2 3 4 3 2 1 1 2 2 4 4 3 3 2 3 4
CLOUDS B1 B1 B2 SC SC B2 OV B2 B2 B2 B1 B1 B1 B2 OV OV B1 B1 B1
CLOUDS(%) 63 62 73 34 44 71 94 76 73 82 53 69 58 76 92 92 53 68 69
VSBY 10 10 10 10 10 6 6 6 1 1 1 10 10 3 6 6 7 7 7
POP 12HR 20 70 70 70 70
RAIN SHWRS SC NM SC IS NM NM NM SC SC SC
TSTMS SC NM SC NM SC IS
Obvis PF PF PF
MIX HGT <1 <1 <1 3 6 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1
T WIND DIR S W W W SW SW SW NW N NW NW NW NE E E E N N NE
T WIND SPD 2 2 3 6 8 9 12 12 3 3 3 2 3 3 3 1 2 2 8
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 1 1 4 28 57 28 6 6 2 2 4 7 13 11 2 1 1 1 9
MAX LVORI 5 6 5 3 1 2 4 6 8 8 7 4 3 3 6 10 10 10 8
STABILITY F F B A A C F F F F B B C C F F F F C
CEILING 7900 None 4200 6300 4200 4200 2600 5700 5300
STA PRES 29.23 29.23 29.18 29.23 29.24 29.26 29.24 29.26 29.28
Date 07/08Thu 07/09/26Fri 07/10/26Sat 07/11/26Sun 07/12/26
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 86 68 91 70 94 71 92 68 88
TEMP 83 82 71 72 89 85 73 75 93 85 74 75 89 84 71 72 86 82
DEWPT 73 72 71 72 73 73 71 71 71 72 70 70 72 72 69 68 68 68
RH 72 72100100 59 67 93 87 49 65 87 84 57 67 93 87 55 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC FW FW SC SC SC B1 B2 B1 B1 SC B1
POP 12HR 40 50 30 20 20 10 60 30 30
RAIN SHWRS SC SC SC SC SC IS IS IS NM SC SC
TSTMS SC SC SC IS 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