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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Apr 12 2026

VAZ046-122000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Sun Apr 12 2026

Date             Sun 04/12/26            Mon 04/13/26            Tue 04/14/26
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                 78          60          84          61          89
TEMP                64 73 78 72 67 64 63 63 74 82 84 77 71 68 63 64 79 86 87 80
DEWPT               45 47 49 51 53 54 55 55 54 51 50 51 50 50 50 50 52 54 54 53
MAX/MIN RH                   36          77          32          65          31
RH                  50 40 36 48 61 70 75 75 50 34 31 40 47 52 62 60 39 34 32 39
WIND DIR            SE  S  S  S  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD             6  8  9  6  9 10 11 11 13 13 12  8  6  6  5  5  8  9  9  5
WIND GUST                          20    23 26 25 23                           
CLOUDS              SC FW FW SC SC B2 B1 B2 B1 B1 B1 B1 SC FW SC SC FW SC SC SC
CLOUDS(%)           42 18 24 31 44 81 66 73 62 58 60 61 35 23 32 36 24 34 35 29
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           5          10           5
MIX HGT              3  4  5 <1 <1 <1 <1  1  3  6  6 <1 <1 <1 <1 <1  4  7  7 <1
T WIND DIR          SE  S  S  S  S  S  S SW SW SW  W  W  W SW SW SW  W SW SW SW
T WIND SPD          13 11 12  5  4 10  9 14 18 24 24 11  4  3  3  4 11 12 13  6
DISPERSION                   PR PR FR FR             PR PR PR PR             PR
ADI                 52 56 73  3  4  9  8 22 43 81 79 10  2  2  2  4 56 97104  3
MAX LVORI            1  1  1  2  3  3  4  3  1  1  1  2  2  2  3  3  1  1  1  2
STABILITY            B  B  B  F  D  D  D  D  D  D  D  D  F  F  F  A  B  B  B  F
CEILING              None  None  None 22100  6000  7200  None  None  None  None
STA PRES            29.69 29.61 29.57 29.54 29.53 29.47 29.46 29.44 29.44 29.36


Date          Wed 04/15/26Thu 04/16/26Fri 04/17/26Sat 04/18/26
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      92      66      92      67      89      63      92
TEMP          70 67 89 85 72 67 88 83 72 68 87 82 69 66 89 84
DEWPT         52 54 53 51 52 53 52 51 52 55 54 52 53 56 56 54
RH            53 63 29 31 49 61 29 33 49 63 32 35 57 70 33 36
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC B1 SC SC SC SC FW SC SC SC FW SC
POP 12HR            5       0       0       5      10      20       5      20
RAIN SHWRS                                     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

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