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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1102 PM EDT Sun Jun 29 2025
NCZ006-300800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
1102 PM EDT Sun Jun 29 2025
Date 06/29/25 Mon 06/30/25 Tue 07/01/25 Wed
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 71 91 72 89 69
TEMP 74 72 75 86 89 88 83 78 76 74 75 84 87 85 78 73 72 70 72
DEWPT 73 71 73 76 75 76 75 74 73 72 74 76 76 77 76 73 72 70 71
MIN/MAX RH 100 63 96 72 100
RH 97 97 94 72 64 68 77 88 90 93 97 77 70 77 94100100100 97
WIND DIR SE S SW S S S S S S S SW SW SW SW W SW SW SW W
WIND SPD 1 1 1 3 5 5 3 3 4 5 5 6 8 6 4 2 2 2 2
CLOUDS SC SC FW FW B1 B1 B1 SC SC SC SC SC B2 B2 B2 B2 B2 B1 B1
CLOUDS(%) 38 31 20 14 52 60 60 45 39 31 40 45 87 87 83 85 79 69 55
VSBY 9 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 40 20 80 70
RAIN SHWRS SC SC IS O O NM NM SC SC SC
TSTMS SC SC IS SC NM SC SC IS
Obvis F F PF
MIX HGT <1 <1 <1 4 5 4 <1 <1 <1 <1 2 4 5 2 <1
T WIND DIR SE SE SW SW SW S S S S S SW SW SW SW N
T WIND SPD 4 3 5 10 11 13 6 8 9 6 12 10 11 11 14
DISPERSION VP VP VP VP VP PR VP VP VP VP
ADI 2 2 6 51 48 51 3 4 4 3 25 46 47 31 10
MAX LVORI 9 10 6 3 1 1 4 6 6 6 4 3 3 3 5
STABILITY G G A A C C F F F F A B C C E
CEILING None None None None None None 3300 3600
STA PRES 29.36 29.38 29.32 29.33 29.33 29.35 29.34
Date 07/02Thu 07/03/25Fri 07/04/25Sat 07/05/25Sun 07/06/25
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 88 68 91 68 91 67 91 69 94
TEMP 85 81 71 72 89 83 72 72 88 83 72 72 89 83 73 73 91 85
DEWPT 73 74 71 70 70 71 67 67 69 70 68 69 69 70 68 69 70 72
RH 67 79100 93 54 67 84 84 54 65 87 90 52 65 84 87 50 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 40 10 10 5 5 5 10 0 10
RAIN SHWRS SC SC
TSTMS IS 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
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