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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Fri May 15 2026

NCZ005-152000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
401 AM EDT Fri May 15 2026

Date             Fri 05/15/26            Sat 05/16/26            Sun 05/17/26
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                 76          52          85          62          91
TEMP          45 50 64 73 76 70 59 56 53 58 74 82 84 78 69 65 62 65 79 89 90 84
DEWPT         38 39 38 39 40 44 42 42 42 45 49 50 51 52 52 52 53 57 59 57 56 59
MAX/MIN RH                   27          67          31          76          31
RH            76 66 38 29 27 39 53 59 66 62 41 33 32 40 55 63 72 75 50 34 32 43
WIND DIR       W NW NW  W  W SW SW SW SW SW SW SW SW SW  S SW SW SW SW SW  S  S
WIND SPD       4  4  5  4  3  1  2  2  3  4  8 10 10  4  5  5  6  6  5  5  6  3
CLOUDS        CL CL CL CL FW FW SC FW FW FW FW FW FW SC SC SC SC SC SC SC FW FW
CLOUDS(%)      4  1  2  3  8 25 37  9 22 21 11 19 23 49 30 33 49 48 31 33 19 17
VSBY          10 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  5  6  6 <1 <1 <1 <1 <1  4  6  6 <1 <1 <1 <1 <1  3  7  7 <1
T WIND DIR     W NW  N NW  W  S  S  S  S SW SW SW SW SW SW SW SW SW  W  S  S  S
T WIND SPD     4  8 14 12  6  2  3  3  3  4 16 16 14  5  4  6  4  9  8  8 10  5
DISPERSION    VP             VP VP VP VP             VP PR PR PR             VP
ADI            2  9 88 95 53  1  2  2  2  4 70102100  4  2  3  3 11 34 64 81  3
MAX LVORI      4  3  1  1  1  2  2  3  3  3  1  1  1  2  3  3  3  3  1  1  1  2
STABILITY      F  A  A  A  A  G  G  G  G  A  B  B  B  E  F  F  E  B  A  A  B  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.36 29.31 29.37 29.41 29.44 29.37 29.39 29.42 29.46 29.44


Date          Mon 05/18/26Tue 05/19/26Wed 05/20/26Thu 05/21/26
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       65      92      64      92      67      92      66      85
TEMP          69 69 92 86 70 68 90 85 72 70 91 84 72 69 83 76
DEWPT         60 62 59 57 60 62 56 54 59 62 57 58 62 63 60 60
RH            73 78 33 37 71 81 32 35 64 76 32 41 71 81 46 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW CL CL CL CL CL FW FW FW FW SC B1 SC B1 B2
POP 12HR            5       5       5       0       0      20      30      60
RAIN SHWRS                                     IS SC IS SC NM
TSTMS                                          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