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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Apr 27 2026

NCZ006-272000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
801 AM EDT Mon Apr 27 2026

Date             Mon 04/27/26            Tue 04/28/26            Wed 04/29/26
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          43          71          52          75
TEMP                61 70 73 66 54 50 45 47 60 67 71 67 58 55 53 56 68 72 74 71
DEWPT               43 41 41 43 44 43 42 44 47 49 52 52 53 54 53 55 60 61 62 62
MAX/MIN RH                   32          94          51         100          66
RH                  51 35 31 43 69 77 89 89 62 52 51 59 83 96100 96 76 68 66 73
WIND DIR            NE NE  E  E  E SE SE  N  S SW SW SW  S  S  S  S  S  S SW SW
WIND SPD             5  5  5  2  2  2  1  0  2  5  4  2  2  2  2  2  5  8  8  4
WIND GUST                                                              18      
CLOUDS              CL FW FW FW FW SC SC B1 B1 B2 B2 SC SC B1 B1 B2 B2 OV OV B1
CLOUDS(%)            4 17  6 22 23 32 38 66 68 83 76 44 42 55 62 84 86 98 98 65
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10                  
POP 12HR                      0           5          50          20         100
RAIN SHWRS                               SC SC SC SC       IS IS  O  O  O  O SC
TSTMS                                    IS                            IS SC IS
MIX HGT              3  4  4 <1 <1 <1 <1 <1  2  3  4 <1 <1 <1 <1 <1  2  2  3 <1
T WIND DIR          NE NE  E  E  E SE SE SE  N  S SW SW  S  S  S  S  S SW SW  W
T WIND SPD          12 10 11  5  6  5  3  8 10 11 12 10  5  5  5 12 18 26 24 11
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 53 51 64  3  3  3  2  9 25 38 47  5  3  3  3 13 44 63 73  8
MAX LVORI            1  1  1  2  3  4  7  5  2  1  1  3  5  6  9  5  3  3  1  3
STABILITY            A  A  A  G  G  G  G  A  B  C  C  F  F  F  F  B  C  C  C  E
CEILING              None  None  None  None  6100  1800  None  2000  1000  1900
STA PRES            29.60 29.54 29.59 29.56 29.59 29.47 29.42 29.32 29.18 29.04


Date          Thu 04/30/26Fri 05/01/26Sat 05/02/26Sun 05/03/26
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       52      71      42      72      44      68      40      71
TEMP          59 53 69 64 48 46 69 65 50 47 64 61 47 45 67 64
DEWPT         56 49 39 34 34 36 36 39 41 41 38 35 34 35 34 36
RH            90 86 33 32 58 68 30 38 71 79 38 38 60 68 29 35
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC FW FW FW FW FW SC B1 B1 B1 B1 SC FW FW FW
POP 12HR           50      10      10      20      30      30      10       5
RAIN SHWRS    SC                   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