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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
230 AM EDT Sun May 10 2026

NCZ005-110800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
230 AM EDT Sun May 10 2026

Date           05/09/26      Sun 05/10/26            Mon 05/11/26            Tue
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                 53          83          55          68          45
TEMP                      54 57 75 81 81 73 65 61 58 59 63 63 64 60 52 48 46 49
DEWPT                     52 53 54 49 48 52 52 52 53 53 54 54 53 52 50 47 45 45
MIN/MAX RH                   95          31          89          66          98
RH                        93 86 48 33 32 48 63 72 83 80 72 72 67 75 93 96 96 86
WIND DIR                   W  W NW  W  W SW  W  N NE NE NE NE NE NE  N  N  N NE
WIND SPD                   2  2  2  3  5  2  1  1  3  8  9  9  6  2  1  2  3  3
CLOUDS                    SC FW CL CL CL FW SC FW SC B2 OV OV OV OV SC SC SC FW
CLOUDS(%)                 46 12  2  4  3 20 49 18 41 73 92 93 88 96 42 31 27 22
VSBY                       9 10 10 10 10 10 10 10 10 10  8  9 10 10 10 10 10 10
POP 12HR                      5           0           5          50           5
RAIN SHWRS                                           SC SC SC SC               
MIX HGT                   <1 <1  5  8  9 <1 <1 <1 <1  2  2  2  2 <1 <1 <1 <1  1
T WIND DIR                 W NW  N  W  W SW SW  W NE NE NE NE NE NE  N  N  N  N
T WIND SPD                 3  3  8  6  8  3  3  2  4 17 17 18 14 20 12 10  4 12
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        2  3 51 64 80  2  2  1  2 35 44 47 32  9  6  5  2 19
MAX LVORI                  7  6  1  1  1  2  3  3  5  3  3  3  3  4  6  7  9  4
STABILITY                  F  A  A  A  A  G  F  G  F  C  C  C  C  F  F  G  G  A
CEILING                    None  None  None  None  None  6700  2800  None  None
STA PRES                  29.20 29.27 29.24 29.27 29.28 29.34 29.35 29.38 29.41


Date           05/12Wed 05/13/26Thu 05/14/26Fri 05/15/26Sat 05/16/26
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       72      51      76      51      73      47      77      54      85
TEMP          69 66 53 55 75 69 57 54 71 66 52 52 74 70 58 59 83 79
DEWPT         43 43 44 48 52 55 53 51 45 44 43 44 46 48 48 51 53 55
RH            39 43 71 77 45 61 86 90 39 45 71 74 37 45 69 75 36 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW SC B1 B2 SC CL FW FW CL FW FW FW FW FW FW
POP 12HR            0       0      40      60       5       0       0       5       0
RAIN SHWRS                   SC NM IS                              
TSTMS                        IS 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