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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Tue May 12 2026

NCZ005-122000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
1001 AM EDT Tue May 12 2026

Date             Tue 05/12/26            Wed 05/13/26            Thu 05/14/26
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                 73          50          77          51          69
TEMP                63 71 73 67 57 55 51 54 68 75 74 67 60 56 51 53 61 67 68 63
DEWPT               45 42 41 44 42 42 44 47 52 52 54 56 57 54 50 48 44 42 41 41
MAX/MIN RH                   32          79          43          96          37
RH                  52 35 31 43 57 61 77 77 57 45 50 68 90 93 96 83 53 40 37 44
WIND DIR             S  S  S  S  S  S SW SW SW SW SW SW SW NW NW NW NW NW NW NW
WIND SPD             3  4  5  4  5  8  6  6 10 11 10  4  4  4  4  6 10 11 12  8
CLOUDS              FW FW CL FW FW FW CL CL FW SC B1 B2 B2 FW FW CL FW FW FW FW
CLOUDS(%)            6  9  4  6 12  6  5  4 17 35 51 74 74 15 12  4  9 21 15 17
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          40          60           0
RAIN SHWRS                                        IS NM NM                     
TSTMS                                             IS IS                        
MIX HGT              3  7  7 <1 <1 <1 <1 <1  4  7  5 <1 <1 <1 <1  2  5  7  7  1
T WIND DIR          SW  S  S  S  S  S  S SW SW SW SW SW  W NW NW NW NW NW NW NW
T WIND SPD           2  6 10  4  6  6  8 14 18 19 20  9  3 10  8 20 19 18 20 10
DISPERSION                   VP PR PR PR             VP VP VP VP             PR
ADI                 10 57 88  2  3  5  4 18 85 91 84  6  2  5  4 51114 85 99  7
MAX LVORI            2  1  1  2  3  3  4  3  1  1  1  3  6  7  6  4  1  1  1  2
STABILITY            A  A  A  F  F  E  F  B  B  C  C  E  E  F  F  B  B  C  C  E
CEILING                    None  None  None  None  4900  4200  None  None  None
STA PRES                  29.42 29.41 29.38 29.32 29.16 29.14 29.17 29.19 29.15


Date          Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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       46      76      54      86      62      90      64      91
TEMP          48 50 73 70 57 59 84 80 67 66 89 83 70 68 90 85
DEWPT         41 41 42 46 46 50 55 57 57 59 59 60 60 62 61 61
RH            77 71 33 42 67 72 37 45 70 78 37 46 71 81 38 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL FW FW SC FW FW FW SC SC FW SC SC SC FW FW
POP 12HR            0       0       5       5      10      10       5      10

$$


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