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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Thu May 14 2026

VAZ018-150800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Thu May 14 2026

Date           05/14/26      Fri 05/15/26            Sat 05/16/26            Sun
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                 44          73          52          84          60
TEMP          58 52 48 45 44 48 61 70 72 63 56 53 52 56 73 81 83 75 66 62 60 64
DEWPT         36 35 36 35 34 36 38 39 39 41 38 38 38 43 49 53 55 57 54 52 51 55
MIN/MAX RH                   70          30          61          37          76
RH            44 52 63 68 68 63 42 32 30 44 51 57 59 62 43 38 38 54 65 70 72 73
WIND DIR      NW NW NW NW NW NW NW NW NW NW  N  N  W SW SW SW SW SW SW  W  W  W
WIND SPD      10  9  5  4  5  8  9  6  3  1  0  0  1  1  2  4  4  2  3  3  2  1
WIND GUST     26 27 27 24 23 28 23                      12 14 14    13         
CLOUDS        SC FW FW CL CL FW FW SC B1 B1 SC SC SC SC FW SC SC SC SC SC SC FW
CLOUDS(%)     40 12  7  3  3 14 15 29 59 69 48 37 34 34 17 38 48 40 32 39 46 25
VSBY          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           0          10           5
MIX HGT        5  1 <1 <1 <1  2  4  4  4 <1 <1 <1 <1 <1  4  6  2 <1            
T WIND DIR    NW NW  W  W  W NW NW NW  W NW NW  W  W SW  W  W SW  S            
T WIND SPD    21 23  8  5  6 17 21 11  9 13  3  2  1  1  8 11 10  4            
DISPERSION       PR PR VP PR             VP VP VP VP             VP VP VP VP   
ADI          119 15  4  3  3 34 99 57 44  6  2  1  1  1 37 88 25  2            
MAX LVORI      1  2  3  3  3  1  1  1  1  2  2  3  3  3  1  1  2  2            
STABILITY      B  E  F  F  F  B  B  B  B  F  F  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.73 27.75 27.80 27.77 27.85 27.87 27.90 27.88            


Date           05/17Mon 05/18/26Tue 05/19/26Wed 05/20/26Thu 05/21/26
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       89      61      91      63      90      65      88      65      82
TEMP          87 77 65 67 90 82 67 68 89 81 69 70 87 78 68 67 81 75
DEWPT         55 58 54 57 58 58 55 58 57 59 56 59 60 60 58 59 60 58
RH            34 52 68 70 34 44 65 70 34 47 63 68 40 54 70 75 49 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW FW CL CL FW SC FW SC SC B2 B1 SC B1 B2
POP 12HR            5       5      10       5      20      10      60      40      60
RAIN SHWRS                               IS       IS NM SC IS SC NM
TSTMS                                    IS          SC 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