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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri May 15 2026

VAZ046-160800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Fri May 15 2026

Date           05/15/26      Sat 05/16/26            Sun 05/17/26            Mon
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          84          61          90          63
TEMP                59 55 52 56 72 82 84 78 70 67 63 64 81 88 89 82 72 67 63 67
DEWPT               44 43 43 46 50 52 54 56 53 53 53 55 60 60 59 63 61 61 61 62
MIN/MAX RH                   74          36          74          36          91
RH                  57 64 71 69 46 35 36 47 55 61 70 73 49 39 37 53 68 81 93 84
WIND DIR             S  S SW SW SW SW SW SW SW SW SW SW SW SW  S SE  S SW SW SW
WIND SPD             2  2  2  3  8 10 10  6  8  8  6  5  5  4  4  3  3  3  3  3
WIND GUST                                17 19 19 17                           
CLOUDS              SC FW FW FW FW FW SC B1 B1 SC B1 SC FW FW FW FW FW FW FW FW
CLOUDS(%)           35 16  8  7  8  7 32 68 60 50 59 47 22 12 13 15  6  8  9  6
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           0           5           5           5
MIX HGT             <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  3  6  8 <1            
T WIND DIR           S  S  S SW SW SW SW  S SW SW SW SW NW SW SW  S            
T WIND SPD           3  3  2  4 10 16 17  6  6  6  5  4  4  3  6  3            
DISPERSION          VP VP VP             PR PR PR PR             VP VP VP VP   
ADI                  2  2  1  4 34 92104  5  6  6  4  4 19 27 62  2            
MAX LVORI            3  3  3  3  1  1  1  2  3  3  3  3  2  2  1  2            
STABILITY            G  G  G  A  B  B  B  E  D  D  E  A  A  A  A  G            
CEILING              None  None  None  None  None 15100  None  None  None      
STA PRES            29.37 29.40 29.42 29.34 29.35 29.37 29.44 29.41            


Date           05/18Tue 05/19/26Wed 05/20/26Thu 05/21/26Fri 05/22/26
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       92      64      91      67      89      63      75      56      75
TEMP          90 86 71 68 89 85 73 70 88 81 69 65 74 69 60 59 72 70
DEWPT         62 62 60 61 60 58 59 61 62 63 63 60 59 58 56 53 56 57
RH            39 45 68 78 38 40 62 73 42 54 81 84 59 68 87 80 57 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL FW FW FW FW B1 B1 B1 B1 B2 B1 B1 B1 B1
POP 12HR            0       0       0       0      30      40      60      40      40
RAIN SHWRS                               SC SC SC SC NM SC SC SC SC
TSTMS                                    SC 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