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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Tue Apr 1 2025

NCZ019-012000-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
731 AM EDT Tue Apr 1 2025

Date             Tue 04/01/25            Wed 04/02/25            Thu 04/03/25
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          46          59          55          78
TEMP             42 53 62 65 57 52 48 47 47 54 57 59 58 57 56 56 59 68 73 77 73
DEWPT            35 37 36 36 38 39 39 40 41 45 47 48 50 53 55 56 58 61 62 60 59
MAX/MIN RH                   34          84          67         100          56
RH               76 54 38 34 49 61 71 76 79 71 69 67 75 86 96100 96 78 68 56 62
WIND DIR          N  N  E SE SE  E  E  E  E SE SE  S  S  S  S  S  S  S  S  S  S
WIND SPD          4  3  2  4  3  1  2  2  3  3  5  5  4  5  9  8  6  9 11 11  6
WIND GUST                                                              21 21   
CLOUDS           FW FW FW FW FW FW SC B1 OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1
CLOUDS(%)        24 16  9 10  7 13 29 67 91 94 90 81 75 85 89 90 87 84 70 62 56
VSBY             10 10 10 10 10 10 10  9  8  3  6  5  6  2 10 10 10 10 10 10 10
POP 12HR                      0          10          30          60          40
RAIN SHWRS                                     IS SC SC SC NM SC SC IS IS SC SC
MIX HGT           1  3  5  5 <1 <1 <1 <1 <1  1  1  1 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR        N  N NE SE SE SE SE SE SE SE SE  E NE  N SW  S  S SW SW SW  S
T WIND SPD       17  8  2  2  8  2  3  6  8  6  5  4  1  1  1  4  5 14 13 17 12
DISPERSION                   VP VP VP VP             VP PR PR PR             PR
ADI              32 25 12 13  4  1  2  3  7 10  9  6  1  1  1  4  6 26 31 44 11
MAX LVORI         3  2  2  2  2  3  3  4  4  4  4  4  4  6  6  6  5  4  3  1  3
STABILITY         B  B  B  B  G  G  G  F  C  D  D  D  E  E  D  D  D  D  D  D  D
CEILING              None  None  None  2100   500   200   100   100   200   200
STA PRES            27.93 27.94 28.04 28.08 28.12 28.09 28.08 28.07 28.11 28.10


Date          Fri 04/04/25Sat 04/05/25Sun 04/06/25Mon 04/07/25
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       63      84      63      84      63      77      51      61
TEMP          67 67 80 77 68 66 80 77 68 65 74 68 58 52 59 53
DEWPT         59 58 58 58 57 57 56 54 54 55 57 53 49 44 36 26
RH            75 73 47 52 68 73 44 45 61 70 55 59 72 74 42 35
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B2 B1 SC FW
POP 12HR           30      30      10      10      20      60      60      30
RAIN SHWRS    SC       SC                IS SC NM NM 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