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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
527 AM EDT Thu May 1 2025

NCZ006-012000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
527 AM EDT Thu May 1 2025

Date             Thu 05/01/25            Fri 05/02/25            Sat 05/03/25
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                 87          64          85          63          83
TEMP             68 79 84 85 78 72 69 66 68 77 82 84 76 69 67 65 65 76 81 80 73
DEWPT            64 65 62 58 57 57 58 58 61 63 63 62 61 61 61 60 61 63 63 62 62
MAX/MIN RH                   40          82          48          87          52
RH               87 62 48 40 48 59 68 75 78 62 53 48 60 76 81 84 87 64 54 54 68
WIND DIR         SW SW SW  S  S  S  S SW SW SW SW SW  S  S  S  S  S SW SW SW  S
WIND SPD          2  5  9  9  5  5  5  5  6  8  9  8  4  3  4  5  5  8  9  8  4
WIND GUST                                                              19      
CLOUDS           SC SC B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B2
CLOUDS(%)        28 48 56 52 43 57 59 31 53 65 63 58 64 60 54 51 50 54 60 69 74
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      5           5          40          30          70
RAIN SHWRS                                  IS SC SC SC SC IS IS IS SC NM NM NM
TSTMS                                          SC SC SC SC          IS IS IS SC
MIX HGT          <1  3  7  7 <1 <1 <1 <1  1  3  5  5 <1 <1 <1 <1  1  4  7  5 <1
T WIND DIR       SW SW SW SW  S  S SW SW SW SW SW SW  S  S SW  S  S SW SW SW  S
T WIND SPD        6 16 18 18  8  6  8  6 13 13 14 18  6  9 12 11 13 16 18 21 10
DISPERSION                   PR PR PR PR             VP VP VP PR             VP
ADI               7 70 88 88  5  5  5  3 24 45 84 74  5  4  8  8 26 71 88 91  7
MAX LVORI         5  1  1  1  2  3  3  4  3  1  1  1  3  4  4  4  4  1  1  1  3
STABILITY         A  A  C  C  E  E  E  F  C  C  B  C  E  F  E  E  A  B  C  C  E
CEILING              None  None  None  None  2100 11700 10500  None  None  4000
STA PRES            29.44 29.36 29.36 29.37 29.38 29.32 29.32 29.33 29.32 29.23


Date          Sun 05/04/25Mon 05/05/25Tue 05/06/25Wed 05/07/25
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       59      75      53      74      54      74      55      76
TEMP          64 61 73 68 58 57 73 69 59 58 73 68 59 58 74 70
DEWPT         60 60 59 57 55 57 59 57 56 56 57 57 55 56 58 57
RH            87 97 62 68 90100 62 66 90 93 57 68 87 93 57 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC SC B1 SC SC B1 SC SC SC SC B1 SC
POP 12HR           70      60      30      50      30      40      20      30
RAIN SHWRS    NM NM NM NM SC SC SC SC SC IS SC SC IS    IS SC
TSTMS         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