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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon May 4 2026

NCZ005-050800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
401 PM EDT Mon May 4 2026

Date           05/04/26      Tue 05/05/26            Wed 05/06/26            Thu
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                 54          81          60          80          60
TEMP          78 71 62 60 55 57 72 79 80 74 67 63 61 62 68 76 79 76 68 66 64 62
DEWPT         42 44 43 44 45 48 49 48 47 49 50 53 54 56 60 60 60 60 61 63 64 62
MIN/MAX RH                   74          32          82          52         100
RH            28 38 50 55 69 72 44 34 31 41 54 70 78 81 76 58 52 58 78 90100100
WIND DIR      SW  S SW SW SW SW SW SW  S  S  S  S  S  S SW SW SW SW SW SW SW SW
WIND SPD       9  5  8  8  8  8 10 12 13 10 10 11 11 10 12 13 13  8  6  5  6  6
WIND GUST                          23 24    20       20 24 25 24               
CLOUDS        FW FW FW SC FW CL FW SC SC B1 B1 B1 B2 OV OV B2 B1 B2 B2 OV OV OV
CLOUDS(%)     18 11  7 42 23  4  6 26 49 65 58 60 82 90 90 84 68 80 81 91 93 94
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          30          50          90
RAIN SHWRS                                     SC SC SC SC SC SC NM NM  O  O  O
TSTMS                                                         IS SC IS IS SC IS
MIX HGT        8 <1 <1 <1 <1  1  4  6  7 <1 <1 <1 <1  1  2  4  5 <1            
T WIND DIR    SW SW  S  S  S SW SW  S  S  S  S  S  S  S SW SW SW SW            
T WIND SPD    13  5  8  6  8 14 20 23 23 10 11 17 16 17 24 26 24 10            
DISPERSION       PR PR PR PR             FR FR FR FR             PR PR PR PR   
ADI          113  3  4  3  4 22 92106112  9 10 15 14 28 52 74 74  7            
MAX LVORI      1  2  2  3  3  3  1  1  1  2  2  3  4  3  3  1  1  3            
STABILITY      B  F  F  F  F  B  B  C  C  D  D  D  D  D  D  D  D  E            
CEILING              None  None  None  None  4900  2700  1000  3300  3300      
STA PRES            29.23 29.26 29.27 29.19 29.21 29.17 29.16 29.13            


Date           05/07Fri 05/08/26Sat 05/09/26Sun 05/10/26Mon 05/11/26
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       71      45      70      48      75      51      77      57      80
TEMP          68 63 51 49 66 63 52 52 71 69 56 55 73 71 62 60 77 71
DEWPT         61 53 44 42 43 45 45 47 50 50 49 49 51 53 55 57 59 59
RH            78 70 77 77 43 52 77 83 47 51 77 80 46 53 78 90 54 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B1 SC SC SC SC SC SC SC FW FW SC SC SC SC B1 B1
POP 12HR           90      40      20      10      20       5      10      20      50
RAIN SHWRS     O  O SC IS IS             IS             IS IS IS SC
TSTMS         IS SC                                              SC

$$


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