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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Jun 29 2026
VAZ024-300800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
401 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 92 68 98 71
TEMP 86 81 72 70 68 71 83 89 92 86 74 71 69 72 89 96 97 90 77 73 71 75
DEWPT 72 72 71 70 68 70 72 72 71 72 70 68 66 69 72 69 67 69 71 70 68 69
MIN/MAX RH 100 51 95 36 92
RH 63 74 97100100 97 70 57 51 63 87 90 90 90 57 42 38 50 82 90 90 82
WIND DIR E SE N N N N S S S S S N N N N N S S N N N N
WIND SPD 2 1 0 0 0 0 1 2 3 2 1 0 0 0 0 1 2 1 0 0 0 0
CLOUDS SC B1 SC SC B1 B1 SC SC FW FW FW FW FW FW CL FW FW CL CL CL CL FW
CLOUDS(%) 28 56 36 47 60 58 35 31 14 9 15 20 23 12 2 8 6 2 1 2 5 6
VSBY 10 10 10 0 0 0 10 10 10 10 10 0 0 0 10 10 10 10
POP 12HR 20 5 5 5 5
RAIN SHWRS IS
Obvis F+ F+ F+
MIX HGT 3 <1 <1 <1 <1 1 3 5 4 <1 <1 <1 <1 <1 4 6 7 <1
T WIND DIR E SE E SE SE S S SW SW S S S S W N NW W SW
T WIND SPD 6 8 3 3 4 4 5 4 3 9 2 2 2 3 6 2 3 1
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 29 4 2 2 2 7 24 27 19 4 1 1 1 3 32 17 29 1
MAX LVORI 2 3 10 10 9 8 3 2 2 3 6 7 7 6 1 2 2 3
STABILITY A F G F F B A A A G G G G A A A A G
CEILING None 2200 None None None None None None None
STA PRES 28.64 28.66 28.69 28.62 28.61 28.61 28.59 28.56
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 99 72 100 71 102 71 100 69 97
TEMP 98 91 74 75 98 87 73 76101 88 73 75 99 85 72 74 95 84
DEWPT 66 70 68 69 63 67 67 69 66 69 69 70 68 71 69 70 69 70
RH 35 50 82 82 32 52 81 79 32 54 87 84 37 63 90 87 43 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW CL CL FW FW FW FW B1 B1 FW FW B1 B1 SC SC B2
POP 12HR 0 5 10 10 30 30 40 40 60
RAIN SHWRS SC SC SC SC NM
TSTMS SC IS 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