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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 AM EDT Wed May 13 2026

NCZ005-132000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
931 AM EDT Wed May 13 2026

Date             Wed 05/13/26            Thu 05/14/26            Fri 05/15/26
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                 77          52          69          45          77
TEMP                68 75 76 70 62 58 53 53 61 67 69 63 53 48 46 50 65 73 76 70
DEWPT               47 49 50 52 55 54 49 46 42 41 40 40 40 40 40 42 43 42 41 46
MAX/MIN RH                   39          88          36          82          28
RH                  47 40 40 53 78 86 86 77 49 39 35 43 61 74 79 74 45 33 28 42
WIND DIR            SW SW SW  W  W NW NW NW NW NW NW NW NW NW  W  W NW  W  W SW
WIND SPD             9  9  9  3  3  4  6  9 10 10 11  6  4  3  4  4  5  5  5  2
CLOUDS              FW FW SC B1 B1 SC FW CL FW FW FW FW FW CL CL CL FW FW FW FW
CLOUDS(%)            6 14 33 58 64 43 21  4 16 17 23 14  7  3  3  3  9  8 14 22
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5          40           0           5           0
RAIN SHWRS                   SC SC                                             
MIX HGT              4  6  7 <1 <1 <1 <1  2  5  7  7 <1 <1 <1 <1  1  5  6  6 <1
T WIND DIR          SW SW SW SW SW NW NW NW NW NW NW NW NW  W  W NW NW  W  W  S
T WIND SPD          16 12 12  9  3 13 13 20 18 17 20 11  3  4  4 12 13 11 11  1
DISPERSION                   VP VP VP PR             PR VP VP VP             VP
ADI                 73 90 96  4  2  6  6 61107128 97  5  2  2  2 19 86 85 82  1
MAX LVORI            1  1  1  2  4  5  5  3  1  1  1  2  3  3  5  3  1  1  1  2
STABILITY            B  B  B  F  F  F  F  B  B  B  C  F  F  G  F  A  A  A  A  G
CEILING                    None  5200  None  None  None  None  None  None  None
STA PRES                  29.15 29.10 29.11 29.17 29.18 29.26 29.28 29.32 29.28


Date          Sat 05/16/26Sun 05/17/26Mon 05/18/26Tue 05/19/26
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       53      86      61      91      64      92      65      91
TEMP          56 58 83 79 66 65 90 83 69 68 90 84 71 68 90 84
DEWPT         45 49 54 58 57 59 58 61 61 63 61 62 63 64 60 61
RH            66 72 37 49 73 81 34 47 76 84 38 48 76 87 37 46
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC FW SC SC SC SC FW SC FW FW FW FW FW SC SC
POP 12HR            0       5      10      10      30       5      10       5
RAIN SHWRS                            SC                     
TSTMS                                 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