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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Tue Jun 30 2026
VAZ018-010800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 PM EDT Tue Jun 30 2026
Date 06/30/26 Wed 07/01/26 Thu 07/02/26 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 70 95 70 98 72
TEMP 88 80 74 72 71 74 86 92 94 82 74 71 70 75 90 97 98 84 77 74 73 75
DEWPT 71 71 71 69 68 70 71 70 68 70 69 68 67 69 70 66 64 69 66 66 66 68
MIN/MAX RH 93 43 92 33 81
RH 57 74 90 90 90 87 61 49 43 67 84 90 90 82 52 36 33 61 69 76 79 79
WIND DIR W W W W NW NW NW N NW NW NW N NW NW NE E E S N W W NW
WIND SPD 2 2 1 1 1 1 2 2 2 2 1 0 1 1 2 2 2 1 0 1 1 1
CLOUDS SC FW FW FW FW FW FW FW CL FW CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 40 24 9 20 22 14 13 22 4 7 3 17 16 21 7 16 9 13 18 13 15 14
VSBY 10 10 10 5 1 3 10 10 10 10 10 7 3 8 10 10 10 10 10 7 3 7
POP 12HR 5 0 0 0 0
RAIN SHWRS IS
TSTMS IS
Obvis PF PF PF PF
MIX HGT 4 <1 <1 <1 <1 <1 4 5 6 <1 <1 <1 <1 <1 3 6 8 <1
T WIND DIR S S SW SW W NW N NW NW W NW NW NW NW N E NE NE
T WIND SPD 8 8 4 2 3 3 6 3 4 4 3 4 3 4 3 2 2 1
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 42 4 2 1 2 4 32 23 34 2 2 2 2 4 15 17 20 1
MAX LVORI 1 4 6 7 7 5 1 2 1 3 5 6 7 4 2 2 2 3
STABILITY A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.89 27.92 27.93 27.89 27.90 27.92 27.96 27.93
Date 07/03Sat 07/04/26Sun 07/05/26Mon 07/06/26Tue 07/07/26
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 72 97 71 93 70 89 68 87
TEMP 94 80 73 75 96 80 72 74 92 78 71 72 88 76 70 71 85 76
DEWPT 64 68 65 68 66 68 66 68 67 70 67 68 70 70 67 67 69 69
RH 37 67 76 79 38 67 81 82 44 76 87 87 55 82 90 87 59 79
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW B1 B1 SC SC B2 B1 SC SC B2 B1 SC B1 B1
POP 12HR 10 10 30 30 60 40 60 30 50
RAIN SHWRS SC SC NM SC IS NM SC IS SC
TSTMS SC SC SC SC SC IS 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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