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

VAZ046-120800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
231 AM EDT Mon May 11 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                 53          56          43          72          52
TEMP                      57 53 54 56 56 55 49 45 43 47 62 69 72 66 57 54 52 55
DEWPT                     47 40 45 46 46 45 43 44 40 44 44 43 42 44 43 43 43 45
MIN/MAX RH                   80          61          94          35          73
RH                        69 61 71 69 69 69 80 96 89 89 52 39 34 45 59 66 71 69
WIND DIR                  NE NE NE NE NE  E NW NW  N  N NE SW  S  S  S  S  S SW
WIND SPD                  10 11 10  6  4  2  2  2  3  2  3  4  5  4  5  6 10 12
WIND GUST                 20 24                                     16 19 23 26
CLOUDS                    B2 OV OV OV B2 SC FW SC SC FW CL FW CL FW SC FW FW SC
CLOUDS(%)                 70 88 97 92 78 42 13 35 29 16  2 11  3 16 26 22 24 36
VSBY                      10 10  6  4  6  6  6  8  4  9 10 10 10 10 10 10 10 10
POP 12HR                     20         100           0           0           0
RAIN SHWRS                   SC  O SC                                        IS
MIX HGT                   <1  1  2  1  2 <1 <1 <1 <1 <1  4  7  7 <1 <1 <1 <1  1
T WIND DIR                NE NE  N  N NE SE SW SW  W  N NE  W SW  S  S  S  S SW
T WIND SPD                20 23 24 14  6  1  2  2  2  2  3  5  8  4  5  6  8 18
DISPERSION                FR             VP VP VP VP             VP PR PR FR   
ADI                       19 34 52 28 16  1  1  1  1  3 18 47 66  2  3  3  5 35
MAX LVORI                  3  1  3  3  3  4  4  7  6  6  2  1  1  2  3  3  3  3
STABILITY                  D  D  C  C  A  F  G  G  G  A  A  A  A  F  F  F  E  C
CEILING                    6700  1600 21200  None  None  None  None  None  None
STA PRES                  29.36 29.46 29.43 29.45 29.48 29.52 29.44 29.43 29.35


Date           05/13Thu 05/14/26Fri 05/15/26Sat 05/16/26Sun 05/17/26
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       72      50      69      46      75      52      85      60      89
TEMP          71 64 54 53 68 64 50 51 72 68 56 57 82 78 65 64 86 82
DEWPT         54 57 54 51 45 43 42 43 44 47 46 49 53 56 56 56 57 58
RH            55 78100 93 43 46 74 74 37 47 69 75 37 47 73 75 37 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 FW FW FW SC CL CL FW FW SC FW FW SC SC FW FW
POP 12HR           80      70       0       0       0       0       5       5       5
RAIN SHWRS    IS  O NM                                             
TSTMS            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