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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Sat Jun 27 2026
VAZ024-280800-
RAWS 441631
37.63N 79.51W Elev. 865 ft
301 PM EDT Sat Jun 27 2026
Date 06/27/26 Sun 06/28/26 Mon 06/29/26 Tue
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 87 66 89 67
TEMP 80 77 72 70 69 72 80 84 86 80 71 69 68 70 81 87 89 83 73 70 68 71
DEWPT 72 71 69 69 68 70 72 73 73 73 71 69 68 70 73 72 72 72 71 70 68 70
MIN/MAX RH 100 65 100 57 100
RH 77 82 90 97 97 93 77 70 65 79100100100100 77 61 57 70 93100100 97
WIND DIR W W SW N N N W S NW N N N N N NE E E E N N N N
WIND SPD 4 2 1 0 0 0 1 2 2 0 0 0 0 0 1 2 3 1 0 0 0 0
CLOUDS OV B2 SC SC B1 B2 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC FW SC B1 B1 SC
CLOUDS(%) 97 76 43 47 67 85 76 82 67 63 53 49 44 58 58 42 35 25 39 54 56 41
VSBY 9 9 7 6 5 7 8 10 10 10 8 3 2 8 10 10 10 10
POP 12HR 30 60 40 40 10
RAIN SHWRS NM SC IS IS NM SC SC SC SC SC IS IS
TSTMS SC IS SC IS IS IS
Obvis PF PF
MIX HGT 2 <1 <1 <1 <1 <1 3 3 2 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR SW SW SW W NW NW S SW N NE NE N N NE E N E SE
T WIND SPD 11 11 2 2 2 1 3 1 0 2 2 2 2 1 1 1 1 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 29 5 1 1 1 1 12 5 0 1 1 1 1 1 4 6 6 3
MAX LVORI 3 4 7 8 8 7 4 3 4 5 10 10 10 10 4 3 3 3
STABILITY C F F F F B B B B F F F F B B A A G
CEILING None 4800 3000 2900 None None 1800 None None
STA PRES 28.46 28.43 28.44 28.43 28.48 28.54 28.59 28.58
Date 06/30Wed 07/01/26Thu 07/02/26Fri 07/03/26Sat 07/04/26
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 94 69 98 71 101 72 99 72 100
TEMP 91 87 71 73 96 90 73 75 99 91 74 75 98 87 73 76 99 87
DEWPT 72 73 68 69 69 71 68 69 67 69 68 69 65 68 69 70 66 69
RH 54 63 90 87 42 54 84 82 36 49 82 82 34 53 87 82 34 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW CL CL CL FW CL FW FW FW FW FW CL SC SC FW FW B1
POP 12HR 5 0 0 0 0 10 10 20 30
RAIN SHWRS IS SC
TSTMS 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