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

NCZ005-162000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 AM EDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
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                 84          62          90          65          91
TEMP                73 82 83 77 69 65 62 66 79 88 88 81 72 69 66 69 82 89 90 85
DEWPT               49 51 52 54 53 53 56 59 62 59 59 62 61 62 63 65 66 61 58 59
MAX/MIN RH                   33          80          36          92          34
RH                  43 34 34 45 57 65 81 78 56 38 38 53 68 78 90 87 58 39 34 41
WIND DIR            SW SW SW SW  S SW SW SW SW SW  S  S  S  S SW SW SW  S  S  S
WIND SPD             8 10  9  4  5  5  5  6  5  5  6  3  4  4  5  4  5  8  9  5
CLOUDS              FW SC SC SC SC B1 B1 SC SC FW FW CL FW FW FW FW CL FW CL FW
CLOUDS(%)           16 28 26 37 48 53 64 32 32 23  8  5 13  8 12  6  3 10  5  9
VSBY                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              3  6  5 <1 <1 <1 <1 <1  3  6  8 <1 <1 <1 <1  1  5  7  7 <1
T WIND DIR          SW SW SW  S  S  S  S SW  W SW  S  S  S  S  S SW  W SW SW  S
T WIND SPD          14 13 12  3  4  5  4 11 12  5  9 10  5  4  3 11 10  6  8  5
DISPERSION                   VP PR PR PR             VP VP VP PR             PR
ADI                 61 86 74  2  3  4  3 14 47 45 73  5  3  2  2 19 60 52 62  3
MAX LVORI            1  1  1  2  3  3  4  4  1  1  1  2  3  4  7  4  1  1  1  2
STABILITY            B  B  B  F  E  E  E  B  A  A  B  G  F  F  F  A  A  B  B  F
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.40 29.34 29.34 29.37 29.42 29.37 29.43 29.46 29.51 29.45


Date          Tue 05/19/26Wed 05/20/26Thu 05/21/26Fri 05/22/26
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      67      92      66      79      57      72
TEMP          69 68 90 85 72 71 91 83 71 68 78 69 62 59 69 68
DEWPT         60 62 56 55 60 63 58 62 65 65 63 63 59 57 58 58
RH            73 81 32 36 66 76 33 49 81 90 60 81 90 93 68 70
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW FW FW B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR            0       0       0      30      30      70      60      50
RAIN SHWRS                         SC SC SC SC NM NM SC SC SC
TSTMS                              IS IS    IS SC 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