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

VAZ018-012000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
731 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                 84          61          82          59          74
TEMP             64 76 82 82 71 66 64 63 66 75 81 80 72 65 63 60 64 71 73 72 64
DEWPT            57 62 57 53 55 55 55 55 57 58 55 55 54 54 54 55 56 59 58 57 55
MAX/MIN RH                   37          78          40          81          59
RH               78 62 43 37 57 68 73 75 73 55 41 42 53 68 72 84 75 66 59 59 73
WIND DIR          N SW  S  S  W SW SW  W  W  W SW SW SW SW SW SW SW SW SW SW SW
WIND SPD          0  3  6  6  5  4  4  4  4  6  6  5  2  2  2  2  3  5  6  6  3
WIND GUST              18 20 19 16 16 14 20 19 19 17 14 13 12 13 16 20 21 19 17
CLOUDS           B2 SC SC SC B2 B1 B1 SC B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B2
CLOUDS(%)        78 36 43 31 81 55 57 34 67 55 54 50 50 45 45 53 69 78 75 69 83
VSBY             10 10 10 10 10  8  8 10  8 10 10 10 10                        
POP 12HR                     40          30          40          50          80
RAIN SHWRS             IS SC SC SC IS IS IS SC SC SC IS SC SC SC NM NM  O  O  O
TSTMS                  IS SC IS                SC SC IS SC          IS IS IS SC
MIX HGT          <1  4  7  7 <1 <1 <1 <1 <1  4  6  4 <1 <1 <1 <1 <1  4  4  4 <1
T WIND DIR       SW SW SW SW SW SW SW SW  W  W SW SW SW SW  W SW SW SW SW  S SW
T WIND SPD        4  6 14 18 12  6  4  5  8 20 14 16 18  8 20  5  9 16 16 18  9
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI               5 33112137  8  5  3  3  8 81 68 78  8  4  9  3 12 61 59 69  4
MAX LVORI         4  1  1  1  2  3  3  4  4  1  1  1  2  3  3  5  4  1  1  1  3
STABILITY         B  A  B  B  E  E  E  F  C  C  C  A  F  F  F  F  B  C  C  C  F
CEILING              None  None  8000  None  None  None  None  None  2400  3400
STA PRES            27.83 27.75 27.76 27.76 27.76 27.72 27.74 27.72 27.72 27.63


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       55      69      51      70      52      71      53      73
TEMP          59 57 69 61 54 55 69 63 55 56 69 63 56 57 71 65
DEWPT         53 53 52 48 48 49 53 51 49 50 53 49 49 51 54 52
RH            80 86 55 62 80 80 57 65 80 80 57 60 77 80 55 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC
POP 12HR           80      60      50      50      40      40      20      30
RAIN SHWRS     O NM NM NM SC SC SC SC SC SC SC SC IS 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