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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EDT Mon May 25 2026
NCZ003-260800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1001 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 60 79 61 81 60
TEMP 67 65 64 65 72 76 76 73 68 66 64 65 76 78 78 74 67 64 61 65
DEWPT 66 64 63 64 70 71 72 70 67 64 63 64 69 70 70 70 66 62 60 63
MIN/MAX RH 97 81 97 76 97
RH 97 97 97 97 93 85 87 90 97 93 97 97 79 76 76 87 97 93 97 93
WIND DIR N N N N S S SW N N N N N SW SW SW N N N NW NW
WIND SPD 0 0 0 0 2 4 3 0 0 0 0 0 2 4 3 0 0 0 1 2
CLOUDS OV OV OV B2 B2 B2 B1 B2 B2 B2 B1 B1 B2 OV OV B1 B1 SC SC SC
CLOUDS(%) 95 90 92 81 86 77 68 76 77 70 63 68 72 94 94 63 53 50 36 48
VSBY 3 2 2 4 8 10 10 10 8 9 10 6 6 6 6 10
POP 12HR 100 90 70 90 10
RAIN SHWRS O NM SC SC IS NM NM NM NM SC SC O O IS
TSTMS IS NM NM SC IS IS SC SC
Obvis PF F F
MIX HGT <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR SW S W SW SW S S S S SW W W W W W W
T WIND SPD 12 4 1 2 12 10 6 8 10 9 3 8 14 18 16 13
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 6 2 1 2 29 28 14 4 5 4 2 8 40 55 43 6
MAX LVORI 9 9 10 9 4 4 5 6 9 7 10 8 4 3 3 5
STABILITY F F F B B C B F F F F A B C B F
CEILING 600 600 1300 1300 4800 7200 4200 None
STA PRES 28.19 28.21 28.17 28.16 28.16 28.16 28.09
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 83 56 75 54 72 52 71 50 74
TEMP 80 76 62 60 73 71 60 58 70 68 58 56 69 67 55 55 72 69
DEWPT 65 65 57 57 61 63 56 55 59 60 54 53 57 58 52 51 55 57
RH 60 69 84 90 66 76 87 90 68 76 86 90 66 73 90 86 55 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 SC SC FW SC
POP 12HR 30 10 20 40 50 40 30 20 10
RAIN SHWRS IS SC IS IS SC SC SC SC SC SC SC IS
TSTMS SC IS 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