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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
337 AM EDT Wed Apr 29 2026

NCZ003-292000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
337 AM EDT Wed Apr 29 2026

Date             Wed 04/29/26            Thu 04/30/26            Fri 05/01/26
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                 74          51          68          43          67
TEMP          57 56 59 66 73 70 61 56 52 53 60 65 67 61 52 47 44 46 57 64 66 62
DEWPT         57 56 59 63 62 59 54 50 47 45 43 40 37 36 35 35 35 35 37 37 39 41
MAX/MIN RH                   66          83          33          71          36
RH           100100100 90 68 68 78 80 83 74 53 40 33 39 52 63 70 65 47 37 37 46
WIND DIR       S  S  S SW SW  W NW NW NW NW NW NW NW NW  N  N  N  N  W SW SW SW
WIND SPD       4  5  6  9  9 10 10  9  8  8  8  8  9  8  6  5  4  3  4  5  6  6
CLOUDS        OV OV OV B2 B2 B1 SC B1 B1 SC FW FW FW FW SC B1 B1 B1 B1 SC B1 B2
CLOUDS(%)     96 97 96 85 78 53 47 59 66 38 17 13 14 15 30 52 64 68 55 47 65 82
VSBY           6  6  5  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     90           5           5           5          10
RAIN SHWRS       NM SC SC NM                                                 IS
TSTMS            IS IS SC SC                                                   
MIX HGT       <1 <1  1  2  3 <1 <1 <1 <1  2  5  6  7 <1 <1 <1 <1  1  4  6  6 <1
T WIND DIR     S  S  S SW SW  W NW NW NW NW NW  W  W NW NW  N  N NE  W SW SW SW
T WIND SPD     2  3  8 11 14  8 10  9 13 12 13  9 12 13  9  4  2  3  3  4  6  3
DISPERSION    VP             FR FR PR PR             PR PR PR VP             PR
ADI            2  3 14 29 45  7  9  8 12 27 75 63 91  9  4  3  2  5 16 33 30  2
MAX LVORI     10  9  5  4  3  3  4  4  4  3  1  1  1  2  2  3  3  3  2  1  2  2
STABILITY      E  C  C  C  C  D  D  D  D  B  B  B  B  E  F  E  E  B  B  A  C  E
CEILING               400  1100  None  None  None  None  None 15300  None  8600
STA PRES            28.78 28.67 28.75 28.81 28.87 28.81 28.91 28.93 28.93 28.84


Date          Sat 05/02/26Sun 05/03/26Mon 05/04/26Tue 05/05/26
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       48      62      37      66      41      71      47      76
TEMP          52 48 56 56 44 41 62 60 45 46 68 64 52 50 72 69
DEWPT         43 43 42 38 32 32 32 34 34 37 41 43 45 46 46 46
RH            71 83 59 51 62 70 32 37 65 71 37 46 77 86 39 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC FW FW FW FW FW FW SC FW FW SC SC
POP 12HR           50      40       0       0       0      10      10      20
RAIN SHWRS    IS SC SC SC                                  IS
TSTMS                                                      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