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

VAZ012-050800-
RAWS 447502
37.01N  81.18W Elev. 2540 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                 46          77          54          74          52
TEMP          73 63 55 50 47 50 70 76 76 66 62 59 56 55 68 72 73 67 60 58 54 52
DEWPT         40 41 42 41 41 41 41 38 38 42 44 46 47 50 55 57 56 57 57 55 54 52
MIN/MAX RH                   80          24          84          56         100
RH            30 44 61 71 79 71 35 25 25 42 52 62 72 83 63 59 55 70 90 90100100
WIND DIR      SW SW SW  W  W SW SW  S  S  S  S  S  S  S SW SW SW SW SW  W  W  W
WIND SPD       4  2  2  2  2  2  4  5  6  4  4  4  5  5  6  6  6  3  2  2  2  2
WIND GUST     14                                           18 17               
CLOUDS        SC FW FW SC SC CL FW B1 B1 B2 B1 B2 B2 OV B2 OV OV OV OV OV OV OV
CLOUDS(%)     49 18 12 34 27  4 10 54 65 74 62 80 80 89 79 94 94 96 96 94 94 89
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          10          70          90          90
RAIN SHWRS                               IS IS NM NM NM NM  O  O  O  O  O  O NM
TSTMS                                                      SC SC SC IS         
MIX HGT        6 <1 <1 <1 <1 <1  4  7  6 <1 <1 <1 <1  1  2  2  3 <1            
T WIND DIR     W  S  S  S SW  S  S  S  S  S  S  S  S  S SW SW  W  W            
T WIND SPD    19  4  8  4  4  3 18 26 27 11  9  8 12 18 16 14 29 11            
DISPERSION       VP VP VP VP             VP VP VP PR             VP VP VP VP   
ADI           88  2  4  2  2  3 95125125  8  6  5  8 23 44 43 99  5            
MAX LVORI      1  2  3  3  3  3  1  1  1  2  3  3  3  4  1  1  1  4            
STABILITY      C  F  F  F  F  A  B  C  C  E  E  E  E  C  C  C  C  F            
CEILING              None  None  None 19400  2600   700   700   700   700      
STA PRES            27.18 27.20 27.18 27.14 27.14 27.08 27.10 27.14            


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       64      36      67      42      70      44      74      50      74
TEMP          62 55 42 39 65 58 46 47 68 61 48 49 73 66 54 54 73 63
DEWPT         51 42 36 34 34 37 37 39 41 42 42 43 46 48 48 50 53 51
RH            67 61 79 82 31 45 71 74 37 49 80 80 38 52 80 86 49 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC FW FW FW SC SC B1 FW FW FW SC SC B1 B1 B2
POP 12HR           70      30      10      20      30      10      10      30      60
RAIN SHWRS    NM NM SC             IS IS SC             IS SC SC NM
TSTMS            IS                      IS                      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