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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Apr 28 2026

NCZ003-282000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM EDT Tue Apr 28 2026

Date             Tue 04/28/26            Wed 04/29/26            Thu 04/30/26
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                 68          54          72          51          68
TEMP                57 62 68 66 61 58 56 57 61 66 72 68 61 57 53 52 61 65 67 61
DEWPT               52 54 56 56 56 55 55 57 60 63 62 60 55 51 48 46 44 40 37 37
MAX/MIN RH                   64         100          71          85          33
RH                  83 75 65 70 84 90 96100 97 90 71 76 81 80 83 80 53 40 33 41
WIND DIR             S SW SW  S SW SW SW  S  S SW SW  W NW NW NW NW NW NW NW NW
WIND SPD             5  8  6  4  4  3  3  4  5  8  9 10 10 10  9  9  9  9  9  8
CLOUDS              OV B2 B1 SC B1 B1 B2 OV OV OV OV B1 B1 SC SC SC SC FW FW FW
CLOUDS(%)           91 82 63 48 56 69 81 99 99 93 93 56 56 44 47 44 29 19 15 20
VSBY                 6 10 10 10 10  7  8  7  4  6 10 10 10 10 10 10 10 10 10 10
POP 12HR                     70          50         100          30          10
RAIN SHWRS                            IS  O  O  O  O SC SC                     
TSTMS                                          SC SC                           
MIX HGT              2  3  3 <1 <1 <1 <1 <1  1  3  4 <1 <1 <1 <1  2  5  7  8 <1
T WIND DIR          SW SW SW SW SW SW  S  S  S  S SW  W NW NW NW NW NW NW NW NW
T WIND SPD          13 17 10  5  5  3  3  5  8 14 19 11 16 10 11 18 17 14 14 12
DISPERSION                   VP VP VP VP             FR FR FR PR             PR
ADI                 29 50 34  4  4  2  2  4 15 47 72 10 14  9 10 45106117128  8
MAX LVORI            4  3  3  3  5  7  8  9  5  4  3  4  4  4  4  3  1  1  1  2
STABILITY            C  C  C  E  E  F  F  C  C  C  C  D  D  D  D  B  B  B  B  E
CEILING              2500   500  None   700   300  1100  None  None  None  None
STA PRES            29.10 29.00 28.98 28.88 28.78 28.66 28.75 28.81 28.86 28.85


Date          Fri 05/01/26Sat 05/02/26Sun 05/03/26Mon 05/04/26
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       44      68      47      60      38      67      41      73
TEMP          47 47 65 61 51 47 55 54 44 42 63 60 46 46 70 67
DEWPT         36 37 38 42 43 43 43 38 34 32 32 36 36 37 42 44
RH            65 68 37 49 74 86 64 54 68 67 31 41 68 71 36 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW
POP 12HR            5      20      50      50      10       5       5      10
RAIN SHWRS             IS SC SC SC 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