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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue May 12 2026

VAZ046-122000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Tue May 12 2026

Date             Tue 05/12/26            Wed 05/13/26            Thu 05/14/26
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                 73          51          76          49          67
TEMP                63 70 72 66 58 55 52 55 69 75 71 65 59 54 50 52 61 65 66 62
DEWPT               47 44 43 46 43 42 42 45 50 52 56 57 56 54 49 48 45 44 43 42
MAX/MIN RH                   35          70          44         100          43
RH                  56 39 35 48 57 61 69 69 51 45 59 75 90100 96 86 56 46 43 48
WIND DIR             S SW SW  S  S  S SW SW SW SW SW SW  W  W  W NW NW NW NW NW
WIND SPD             3  5  6  5  8  9 10 12 13 13 10  6  5  4  5  8 10 10 12  8
WIND GUST                       19 21 24 24 25 24    17          18 20       18
CLOUDS              FW CL CL FW FW FW CL CL SC B2 B2 B2 B2 FW FW CL SC SC SC FW
CLOUDS(%)           11  4  5 15 18  6  4  5 32 71 77 84 84 23  7  4 28 50 40 24
VSBY                10 10 10 10 10  9 10 10 10 10 10 10  8 10 10 10 10 10 10 10
POP 12HR                      0           0          50          80           0
RAIN SHWRS                                        SC  O  O                     
TSTMS                                             SC IS                        
MIX HGT              3  7  7 <1 <1 <1 <1  1  4  6  3 <1 <1 <1 <1  2  5  6  6 <1
T WIND DIR           E SW SW  S  S  S  S SW SW  S  S  S  W NW  W NW NW NW NW NW
T WIND SPD           2  9 12 10  8  8  9 18 28 21 16  6  5  6  5 18 14 16 20  9
DISPERSION                   PR PR PR FR             PR PR VP PR             PR
ADI                 10 77 97  5  5  5  6 31104 72 47  5  4  3  3 39 91113 93  6
MAX LVORI            2  1  1  2  3  3  3  3  1  1  1  4  6  9  8  4  1  1  1  2
STABILITY            A  A  B  F  E  E  E  C  C  D  C  E  E  F  F  B  B  B  C  E
CEILING              None  None  None  None  None  4900  5000  None  None  None
STA PRES            29.52 29.44 29.42 29.38 29.33 29.18 29.16 29.18 29.18 29.16


Date          Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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       46      75      52      86      61      90      63      92
TEMP          48 50 72 68 56 57 83 79 66 65 88 82 69 67 90 85
DEWPT         41 41 44 47 46 49 55 58 57 58 59 60 59 60 61 61
RH            77 71 37 47 69 75 38 49 73 78 38 47 70 78 38 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL FW SC SC SC SC SC SC SC FW FW SC SC FW FW
POP 12HR            0       0       5       5      10       5       5      10

$$


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