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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Thu May 28 2026
NCZ003-282000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1001 AM EDT Thu May 28 2026
Date Thu 05/28/26 Fri 05/29/26 Sat 05/30/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 82 58 79 61 77
TEMP 78 81 82 75 66 61 58 61 70 75 78 74 68 63 62 63 71 75 76 68
DEWPT 66 61 59 58 56 53 52 53 56 58 60 61 60 57 55 57 55 54 55 56
MAX/MIN RH 46 80 53 81 47
RH 67 51 46 55 70 75 80 75 61 55 54 64 76 81 78 81 57 48 48 65
WIND DIR N N N N N N N E SE S S S SW SW NW N N NE NE NE
WIND SPD 8 8 8 4 3 3 1 2 3 4 4 3 1 1 1 2 2 3 3 1
CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1
CLOUDS(%) 18 10 14 24 24 23 27 30 33 35 43 50 58 65 68 70 61 56 60 59
VSBY 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 0 5
RAIN SHWRS
MIX HGT 4 5 5 <1 <1 <1 <1 1 3 4 3 <1 <1 <1 <1 <1 3 5 3 <1
T WIND DIR N N N N N N N E S SW SW S SW W NW N N N N NE
T WIND SPD 17 16 14 13 8 6 4 10 4 5 6 10 3 3 3 4 8 9 6 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 74 96 92 6 4 3 2 18 17 29 30 5 2 2 2 4 29 50 30 2
MAX LVORI 3 1 1 3 3 4 5 3 2 2 1 3 4 5 4 4 2 1 2 3
STABILITY B B B F G G G A A A A F F F F A A B A F
CEILING None None None None None 4900 21400 17800 16500
STA PRES 28.10 28.15 28.18 28.17 28.06 28.02 27.95 27.96 27.96
Date Sun 05/31/26Mon 06/01/26Tue 06/02/26Wed 06/03/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 51 72 54 77 53 75 52 75
TEMP 57 56 68 66 58 58 73 71 58 56 73 69 56 56 72 69
DEWPT 50 48 54 56 54 57 59 59 52 53 52 55 50 51 52 56
RH 77 74 61 70 86 96 62 66 80 90 48 61 80 83 49 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC B1 B1 SC B1 B1 SC FW FW FW FW FW FW FW
POP 12HR 10 5 20 40 20 20 10 10
RAIN SHWRS IS SC SC IS IS
TSTMS 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