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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 PM EDT Thu Apr 25 2024

NCZ006-260800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
1101 PM EDT Thu Apr 25 2024

Date           04/25/24      Fri 04/26/24            Sat 04/27/24            Sun
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 47          67          50          72          54
TEMP                   53 50 49 54 61 65 62 58 54 52 51 61 69 72 68 61 57 54 57
DEWPT                  46 45 45 47 48 49 50 49 48 48 47 51 52 51 52 51 52 52 52
MIN/MAX RH                   87          56          87          48          93
RH                     77 83 86 77 62 56 65 72 80 86 86 70 55 48 57 70 83 93 83
WIND DIR                E NE NE NE  E  E  E  E  E  E  E SE SE  S SE  S  S  S SW
WIND SPD                5  5  5  5  5  5  3  5  5  4  3  4  6  5  3  4  5  4  5
CLOUDS                 B2 OV OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC
CLOUDS(%)              76 99 88 82 75 55 61 67 73 86 84 78 67 64 65 57 48 37 33
VSBY                   10  5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5          10           5           0           0
DRIZZLE                    ?                                                   
Obvis                     PF                                                   
LAL                     1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
HAINES                  3  2  2  2  2  3  3  3  3  3  3  3  3  4  4            
MIX HGT                <1  2  2  2  3  3 <1 <1  1 <1 <1  2  3  4 <1 <1 <1 <1  1
T WIND DIR              E  E  E  E  E  E  E  E  E SE SE SE  S  S SE  S  S SW SW
T WIND SPD             13 11 10  9  8  8 11  8 11  9  9  9 11 13  6 10 10 10 12
DISPERSION             PR PR             VP PR PR VP             VP VP PR VP   
ADI                     9  8 21 24 24 27  5  5  8  6 10 24 37 50  3            
MAX LVORI               4  5  4  3  2  2  3  3  4  5  4  3  1  1  3            
STABILITY               E  E  C  C  C  C  F  E  E  E  B  C  C  C  F            
CEILING                    4500  1600  3100  3900  2300  5500  3900  None      
STA PRES                  29.65 29.72 29.70 29.72 29.73 29.78 29.71            


Date           04/28Mon 04/29/24Tue 04/30/24Wed 05/01/24Thu 05/02/24
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       80      57      86      58      87      59      87      60      84
TEMP          78 74 61 60 83 78 63 62 84 78 63 63 85 80 64 63 81 76
DEWPT         56 55 53 55 57 56 54 55 57 58 58 59 57 58 56 57 54 51
RH            47 51 75 84 41 47 72 78 40 50 84 87 39 47 75 81 39 42
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW CL CL CL CL CL FW FW SC SC FW FW FW FW FW SC SC
POP 12HR            0       0       0       0      20      10      20      10      20
RAIN SHWRS                               IS          IS          IS
TSTMS                                    IS          IS          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
LAL(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................Haines Index
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