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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sat May 16 2026

NCZ003-170800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
731 PM EDT Sat May 16 2026

Date           05/16/26      Sun 05/17/26            Mon 05/18/26            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                 58          89          60          89          61
TEMP             78 66 63 60 63 81 86 88 82 70 66 62 65 82 86 88 83 71 66 61 65
DEWPT            58 55 53 53 55 59 59 60 62 60 59 58 60 64 62 59 59 58 57 57 59
MIN/MAX RH                   80          39          90          37          86
RH               50 68 70 78 75 47 40 39 51 71 78 87 84 55 45 38 44 63 73 87 81
WIND DIR          S  N  N  N  N  N  S  S  S  N  N  N  N  S  S  S  S  N  N  N  N
WIND SPD          1  0  0  0  0  0  3  5  2  0  0  0  0  3  8  8  3  0  0  0  0
WIND GUST                                                     18 14            
CLOUDS           SC B1 B1 SC FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW
CLOUDS(%)        48 54 62 32 24 13 14 16  9  6  7 18 28  8  9 14 18 16 21 22 14
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           5           0           0           0
MIX HGT          <1 <1 <1 <1 <1  4  6  6 <1 <1 <1 <1 <1  3  6  7 <1            
T WIND DIR       SW SW  W NW NW  W  S  S  S  S  W  W SW SW  S  S  S            
T WIND SPD       10  3  2  2  1  1  8 10 11  5  2  2  9  8  9 12 12            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               5  2  1  1  1  5 63 80  5  3  1  1  9 33 63 97  6            
MAX LVORI         2  3  3  4  3  2  1  1  2  3  4  6  4  1  1  1  2            
STABILITY         F  F  F  G  A  A  A  A  G  G  G  G  A  A  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.19 28.22 28.28 28.25 28.30 28.33 28.38 28.34            


Date           05/19Wed 05/20/26Thu 05/21/26Fri 05/22/26Sat 05/23/26
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       90      62      89      62      80      54      69      54      72
TEMP          87 83 68 67 86 81 67 66 77 72 60 58 67 66 59 57 69 69
DEWPT         57 56 55 56 62 64 62 62 66 64 58 56 61 60 57 56 63 62
RH            36 40 63 68 45 56 84 87 69 76 93 93 81 81 93 96 81 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC B2 B1 SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR            0       0      60      30      80      80      80      60      50
RAIN SHWRS                IS NM SC IS NM  O  O NM NM  O NM SC SC SC
TSTMS                     IS SC IS    IS SC IS       SC          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