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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Mon May 11 2026

VAZ018-120800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
831 PM EDT Mon May 11 2026

Date           05/11/26      Tue 05/12/26            Wed 05/13/26            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                 42          74          51          71          46
TEMP                49 44 43 49 65 71 72 63 55 53 52 56 66 67 70 63 56 51 48 48
DEWPT               37 35 34 39 43 42 42 45 43 40 39 43 51 54 55 52 49 45 40 40
MIN/MAX RH                   75          33          62          58          80
RH                  63 70 70 68 45 35 34 52 64 61 61 62 58 63 59 67 77 80 74 74
WIND DIR             N  N  N  N  S SW SW  S SW SW SW SW SW SW SW  W  W  W NW NW
WIND SPD             0  0  0  0  2  3  4  2  3  5  6  8  8  8  9  6  5  4  6 13
WIND GUST                             14    13 21 25 27 25 25 25 26 24 19 26 34
CLOUDS              FW FW FW CL CL FW SC FW FW CL FW B2 B2 OV OV B1 B1 SC SC SC
CLOUDS(%)            6  9  7  4  2 20 29 25 23  3 23 71 71 94 94 63 53 30 32 33
VSBY                 9  3  2  4 10 10 10 10 10 10 10 10  9 10 10  9 10 10 10 10
POP 12HR                      0           0          30          70          40
RAIN SHWRS                                           SC NM NM NM SC IS         
TSTMS                                                      SC SC               
MIX HGT             <1 <1 <1 <1  5  7  6 <1 <1 <1 <1 <1  4  3  4 <1            
T WIND DIR           W  W  W  W  W  W SW  S  S SW SW SW  W SW  W SW            
T WIND SPD           3  3  3  1  8  9 10  5 10  8  8 12 25 17 25 10            
DISPERSION          VP VP VP             VP VP PR PR             PR PR VP PR   
ADI                  2  2  2  1 53 73 81  3  5  4  4 15 98 56 89  7            
MAX LVORI            3  3  3  3  1  1  1  2  3  3  3  2  1  1  1  3            
STABILITY            G  G  G  A  A  A  A  G  G  F  F  C  C  C  C  E            
CEILING              None  None  None  None  None  None  3000  2100  None      
STA PRES            27.92 27.93 27.95 27.88 27.86 27.79 27.74 27.63            


Date           05/14Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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       62      43      71      50      82      60      86      62      88
TEMP          59 53 45 47 68 63 52 56 79 75 63 63 84 77 65 67 86 80
DEWPT         40 39 37 38 41 44 41 47 56 57 53 55 56 58 53 56 58 60
RH            49 59 73 71 37 50 66 72 45 54 70 75 38 52 65 68 39 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC FW FW SC SC SC SC SC SC FW FW SC FW FW FW SC
POP 12HR            0       0       0       5      20      10      20       5      20
RAIN SHWRS                               IS       IS IS          IS
TSTMS                                    IS          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