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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sun May 24 2026
NCZ003-250800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
731 PM EDT Sun May 24 2026
Date 05/24/26 Mon 05/25/26 Tue 05/26/26 Wed
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 59 75 60 80 61
TEMP 65 65 62 60 63 69 73 75 73 67 64 61 64 72 76 78 75 68 65 62 65
DEWPT 62 62 62 60 62 68 70 70 69 66 63 60 63 70 71 71 70 66 64 61 64
MIN/MAX RH 100 85 97 79 97
RH 90 90100100 97 97 90 84 87 97 97 97 97 93 85 79 84 93 97 97 97
WIND DIR N N N N N N S SW N N N N N S S SW N N N N N
WIND SPD 0 0 0 0 0 0 2 1 0 0 0 0 0 1 3 2 0 0 0 0 0
CLOUDS B2 OV OV OV OV B2 B1 OV OV OV B2 OV B2 B2 OV OV B2 B1 B2 B1 B2
CLOUDS(%) 84 95 96 91 96 86 69 93 97 94 74 89 84 85 94 94 80 68 79 69 74
VSBY 9 7 4 4 5 5 8 9 7 6 5 5 3 4 9 10 10
POP 12HR 70 90 90 90 50
RAIN SHWRS SC SC NM NM SC SC SC O SC O SC SC SC SC O O SC SC NM
TSTMS IS IS SC SC SC IS IS SC SC SC IS
MIX HGT <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR E N NE E SW SW SW SW S W W N NE S SW SW W
T WIND SPD 2 1 3 1 3 14 9 4 4 1 4 1 1 4 10 11 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 1 1 2 1 4 27 29 8 2 1 2 1 1 9 38 27 2
MAX LVORI 7 7 10 10 8 4 4 4 6 9 8 9 8 6 4 3 6
STABILITY F F F F B B B B F F F F B B B B F
CEILING 600 600 600 2800 2100 3300 600 600 6300
STA PRES 28.23 28.18 28.22 28.20 28.21 28.22 28.25 28.21
Date 05/27Thu 05/28/26Fri 05/29/26Sat 05/30/26Sun 05/31/26
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 81 60 83 59 79 56 73 53 70
TEMP 78 74 65 65 81 77 64 63 77 74 63 61 70 68 59 57 68 66
DEWPT 71 71 63 64 67 67 60 59 64 65 58 58 62 62 56 55 59 59
RH 79 90 93 97 63 71 87 87 64 74 84 90 76 81 90 93 73 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV B1 SC SC B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1
POP 12HR 90 20 40 5 40 40 70 50 50
RAIN SHWRS NM O IS SC IS SC SC SC NM NM SC SC SC SC
TSTMS IS SC IS SC SC SC 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