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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon May 25 2026
VAZ018-260800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
401 PM EDT Mon May 25 2026
Date 05/25/26 Tue 05/26/26 Wed 05/27/26 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 65 78 66 81 65
TEMP 75 70 67 66 65 66 71 75 75 70 68 67 66 68 75 78 77 71 68 66 65 67
DEWPT 68 65 63 61 61 62 68 70 70 67 64 62 62 63 68 69 69 66 64 61 60 61
MIN/MAX RH 93 79 89 73 87
RH 79 84 87 84 87 87 90 84 84 90 87 84 87 84 79 74 76 84 87 84 84 81
WIND DIR N N N N N N S SE SW S N N W W W W W W W W NW NW
WIND SPD 0 0 0 0 0 0 1 2 1 1 0 0 1 2 4 5 4 2 2 3 3 4
WIND GUST 12 17 16 14 13 12 13 16 19
CLOUDS B2 B2 OV OV OV OV OV B2 OV B2 B1 B1 B1 B2 B2 OV OV B1 B1 B1 SC SC
CLOUDS(%) 81 85 92 98 95 95 89 78 96 71 57 62 61 73 73 90 90 64 66 57 45 43
VSBY 6 8 3 2 2 3 6 9 6 6 6 7 7 6 6 6 6 7
POP 12HR 80 100 60 80 40
RAIN SHWRS NM NM NM NM O NM NM NM O NM IS NM NM O O SC SC IS IS IS
TSTMS IS SC IS SC SC IS IS SC SC IS
MIX HGT 2 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 3 3 3 <1
T WIND DIR S E SE SW SW SW W SW S S S SW W W W W W NW
T WIND SPD 5 5 2 4 4 3 8 9 10 8 2 4 6 23 25 24 23 16
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 16 3 1 2 2 4 12 27 21 4 1 2 3 24 73 83 73 7
MAX LVORI 3 6 7 6 6 6 5 4 4 6 7 6 6 4 3 3 3 5
STABILITY B F F F F B B B B F F F F B C C C F
CEILING 0 0 100 1600 0 1700 2000 3100 3900
STA PRES 27.84 27.85 27.88 27.83 27.82 27.79 27.80 27.75
Date 05/28Fri 05/29/26Sat 05/30/26Sun 05/31/26Mon 06/01/26
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 82 56 77 56 74 54 72 52 74
TEMP 80 72 60 61 75 69 59 59 73 67 58 57 71 65 55 56 73 67
DEWPT 61 59 52 53 55 56 50 51 54 55 50 50 53 53 48 49 51 52
RH 52 64 75 75 50 63 72 75 51 65 75 77 53 65 77 77 46 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC SC SC SC B1 B1 B1 B1 SC SC FW FW FW SC
POP 12HR 20 5 5 10 20 20 30 10 10
RAIN SHWRS IS IS IS IS IS SC IS
TSTMS IS IS IS
$$
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