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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EDT Mon May 11 2026

NCZ001-120800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
1231 AM EDT Mon May 11 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                 51          55          39          62          48
TEMP                   55 53 51 52 51 52 50 46 43 41 43 52 59 61 56 49 49 48 51
DEWPT                  47 46 49 46 46 45 42 30 32 30 32 35 37 38 40 40 40 40 42
MIN/MAX RH                   92          65          80          41          74
RH                     74 77 93 80 83 77 74 53 65 65 65 52 44 42 55 71 71 74 71
WIND DIR                W  W NW NW NW NW NW  N  N  N NW  S  S  S  S  S  S  S SW
WIND SPD                5  4  6  9  6  9  8  6  5  4  4  5  4  5  6  9 11 10 13
CLOUDS                 B1 B2 OV OV OV B2 SC CL CL CL CL CL FW FW CL CL FW FW B1
CLOUDS(%)              68 87100100 92 77 30  4  5  3  1  2 11 10  2  4 21 15 62
VSBY                   10  9  8  8  9  9 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          70           0           0           0
RAIN SHWRS                IS NM NM NM                                        SC
TSTMS                           IS IS                                          
MIX HGT                <1 <1 <1  2  2  3  1 <1 <1 <1 <1  5  6  5 <1            
T WIND DIR              W NW NW NW  E NE NW NW NW NW NW NW SW SW  S            
T WIND SPD              4  4  6  5  2  4  9  3  3  3  3  6  3  9  9            
DISPERSION             PR VP             PR PR PR VP             PR PR FR FR   
ADI                     4  4  8  9  6 14  6  2  2  2  4 41 24 55  4            
MAX LVORI               3  4  5  5  7  4  4  3  3  3  3  1  2  1  3            
STABILITY               D  D  D  D  C  C  E  E  F  F  A  A  A  A  F            
CEILING                    5100   500   500  None  None  None  None  None      
STA PRES                  26.73 26.76 26.75 26.81 26.83 26.85 26.82            


Date           05/13Thu 05/14/26Fri 05/15/26Sat 05/16/26Sun 05/17/26
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       62      45      56      42      65      51      72      57      75
TEMP          61 57 50 47 54 51 43 45 62 58 52 56 70 66 59 60 73 69
DEWPT         48 48 45 42 38 37 36 37 39 43 41 44 49 52 50 51 52 54
RH            62 72 83 83 54 59 76 73 43 57 66 64 47 61 72 72 48 59
WIND SPD          15>     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC FW FW FW FW FW FW FW FW SC SC SC SC SC FW SC
POP 12HR           50      20       0       0       0       5      10      10      20
RAIN SHWRS    SC SC IS                                           IS
TSTMS            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