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

NCZ005-012000-
RAWS 310540
36.38N  79.70W Elev. 858 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                 67          46          67          62          83
TEMP             47 54 62 66 59 52 50 47 47 58 63 67 65 64 63 63 65 74 79 82 77
DEWPT            39 39 37 36 37 38 39 40 41 42 47 52 55 57 60 62 63 65 65 63 61
MAX/MIN RH                   33          79          54         100          53
RH               74 57 39 33 44 59 66 76 79 55 56 59 70 78 90 97 93 74 62 53 58
WIND DIR         NW  N  N  E  E  E  E  E SE SE SE  S  S  S  S  S  S  S SW SW SW
WIND SPD          6  6  4  3  3  4  5  5  5  6  9  9  6 10 11 11 11 13 13 13  8
WIND GUST                                                              26 24   
CLOUDS           FW FW FW FW FW CL SC B1 OV B2 B1 B1 B1 B1 B2 OV OV B2 B1 SC B1
CLOUDS(%)        13 19  8 10 12  3 26 59 94 76 63 67 59 57 85 95 94 85 62 43 56
VSBY             10 10 10 10 10 10 10 10 10 10 10  9  9  7 10 10 10 10 10 10 10
POP 12HR                      0           5          10          40          30
RAIN SHWRS                                              SC SC SC SC       IS IS
MIX HGT          <1  3  4  4 <1 <1 <1 <1  1  2  3  2 <1 <1 <1 <1 <1  2  3  4 <1
T WIND DIR        N  N  N NE  E  E  E  E SE SE  S SE  S  S  S  S  S  S SW SW  S
T WIND SPD       18  9  4  3  3  3  5 10 13 13 14 13 14 14  6  8 10 19 20 24  9
DISPERSION                   VP VP PR PR             PR FR FR FR             PR
ADI              23 33 21 17  2  2  3  7 19 27 34 39 10 13  6  7 11 33 48 63  8
MAX LVORI         3  1  2  2  2  3  3  4  3  2  1  1  2  4  5  5  5  3  1  1  3
STABILITY         B  B  B  B  G  F  F  E  D  D  D  C  E  D  D  D  D  D  D  D  D
CEILING              None  None  None 11100  2500  2600   900   500   600  None
STA PRES            29.33 29.35 29.45 29.52 29.55 29.50 29.49 29.46  29.5 29.48


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       66      88      63      87      67      84      56      68
TEMP          70 70 84 80 70 67 83 81 73 70 81 74 63 58 66 59
DEWPT         62 63 62 61 61 60 61 56 58 59 59 55 56 49 41 33
RH            76 78 48 52 73 78 47 42 59 68 47 51 78 72 40 37
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 B1 B2 B2 B1 SC B1 B1 B2 B2 B2 B2 SC SC
POP 12HR           20      20      30      20      10      50      60      30
RAIN SHWRS    IS       IS SC IS IS IS       SC SC NM 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