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

VAZ046-142000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
631 AM EDT Thu May 14 2026

Date             Thu 05/14/26            Fri 05/15/26            Sat 05/16/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 66          45          76          50          84
TEMP             52 61 64 64 60 52 48 45 50 65 72 75 69 58 53 50 55 73 81 83 78
DEWPT            49 44 41 40 40 39 40 40 40 40 42 42 45 43 44 43 45 49 52 55 57
MAX/MIN RH                   41          82          30          77          36
RH               89 53 43 41 47 61 74 82 68 40 34 31 42 57 71 77 69 43 37 38 48
WIND DIR         NW NW NW NW NW  W  W  W  W NW NW  W  W SW  W  W SW SW SW SW SW
WIND SPD          9 10 10 11  8  5  5  5  6  6  5  5  2  2  1  1  2  6  9  9  5
WIND GUST                    18                                              16
CLOUDS           FW B1 B1 SC SC FW CL CL CL CL FW SC B1 SC SC SC SC SC SC SC SC
CLOUDS(%)        11 51 63 40 29  8  5  3  2  2 22 46 51 27 32 37 40 31 35 40 47
VSBY              9 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           0           5
MIX HGT           2  5  6  6 <1 <1 <1 <1 <1  5  6  7 <1 <1 <1 <1 <1  3  4  3 <1
T WIND DIR       NW NW NW NW NW NW  W  W NW NW NW  W SW  S NW  W SW SW SW SW  S
T WIND SPD       13 11 12 17 18  5  6  6 14 14 13 10  2  2  2  2  1 11 12 14  5
DISPERSION                   PR PR PR PR             VP VP VP VP             PR
ADI              28 49 57 79 12  3  3  3 19 88106 83  1  1  1  1  1 44 55 61  4
MAX LVORI         4  1  1  1  2  3  4  5  3  1  1  1  2  3  3  4  3  1  1  1  2
STABILITY         B  C  C  C  E  F  F  F  B  B  A  A  F  G  G  G  A  B  B  B  E
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.14 29.17 29.26 29.28 29.32 29.29 29.36 29.39 29.41 29.36


Date          Sun 05/17/26Mon 05/18/26Tue 05/19/26Wed 05/20/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       61      87      63      89      64      89      67      88
TEMP          65 64 86 82 67 66 89 83 70 68 89 84 72 70 88 82
DEWPT         56 57 59 61 60 61 61 62 61 62 62 62 62 63 62 63
RH            73 78 40 49 78 84 39 49 73 81 41 48 71 78 42 53
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW FW CL FW FW FW FW FW SC FW B1 B1
POP 12HR            5       5      10       5      10       5      20      30
RAIN SHWRS                                        IS    SC SC
TSTMS                                             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