UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for NVVV... Searching the city database file for: NVVV ... Date:0000Z 4 DEC 25 Station: NVVV WMO ident: 91557 Latitude: -17.70 Longitude: 168.30 Elevation: 21.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1009 21 32.0 23.0 59 9.0 25.3 150 9 304.4 307.7 298.2 357.5 17.80 1 1000 103 28.6 21.6 66 7.0 23.5 145 13 301.8 304.8 296.7 350.3 16.46 2 925 791 22.0 19.6 86 2.4 20.3 120 10 301.8 304.7 296.2 348.1 15.71 3 850 1521 17.4 11.4 68 6.0 13.6 95 6 304.4 306.2 292.9 334.3 10.01 4 700 3163 11.4 -4.6 32 16.0 3.4 295 6 315.1 315.9 291.0 327.6 3.88 5 500 5890 -3.5 -29.5 11 26.0 -10.6 270 15 328.8 328.9 292.0 331.2 0.66 6 400 7610 -15.7 -37.7 13 22.0 -19.9 275 17 334.6 334.7 293.3 336.0 0.37 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 546.98 mb = 5249.43 m = 17222.33 ft Wetbulb zero: 651.39 mb = 3746.36 m = 12291.07 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 42.79 % Est. max temperature: 31.69 C = 89.04 F Sfc-Lift cond lev (LCL): 886.44 mb = 1158.63 m = 3801.23 ft T: 19.68 C 700-500 lapse rate: 5.46 C/km ThetaE index: 29.90 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 875.78 mb = 1263.04 m = 4143.78 ft Mean mixing ratio: 16.00 g/kg Conv temperature: 31.10 C = 87.98 F Cap Strength: 1.01 C Lifted Index: -0.24 C Risk: Thunderstorms probable Lifted Index @700 mb: 1.01 C Showalter Index: 5.74 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 14.90 C K Index: 16.30 Risk: < 20 % chance of thunderstorms Sweat Index: 163.80 Risk: None Energy Index: -0.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.49 J/kg Max Up Vert Vel: 13.15 m/s Conv Inhibition (B-): 11.69 J/kg Cap Strength: 2.44 C Lift Cond Lev (LCL): 895.61 mb = 1069.73 m = 3509.56 ft Lev Free Conv (LFC): 850.61 mb = 1514.78 m = 4969.68 ft Equ Level (EL): 820.61 mb = 1818.56 m = 5966.34 ft B at Equ Level: 3.99 J/kg Max Parcel Lev (MPL): 770.61 mb = 2350.22 m = 7710.60 ft Wind level data Storm motion: 282 at 6 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1009 21 150 9 -4.5 7.8 | 132 13 -9.9 8.9 1 1000 103 145 13 -7.5 10.6 | 132 17 -12.9 11.8 2 977 305 155 12 -5.1 10.9 | 139 16 -10.5 12.0 3 925 791 120 10 -8.7 5.0 | 114 15 -14.1 6.1 4 912 914 115 10 -9.1 4.2 | 110 15 -14.5 5.4 5 850 1521 95 6 -6.0 0.5 | 98 12 -11.4 1.7 6 791 2134 165 5 -1.3 4.8 | 132 9 -6.7 6.0 7 763 2438 0 0 -0.0 -0.0 | 102 6 -5.4 1.1 8 700 3163 295 6 5.4 -2.5 | 0 1 -0.0 -1.4 9 611 4267 310 6 4.6 -3.9 | 17 3 -0.8 -2.7 10 526 5486 270 10 10.0 -0.0 | 256 5 4.6 1.1 11 500 5890 270 15 15.0 -0.0 | 263 10 9.6 1.1 12 400 7610 275 17 16.9 -1.5 | 272 12 11.5 -0.3 13 338 8839 280 22 21.7 -3.8 | 279 16 16.2 -2.7 Wind Parameters Mean winds (0-6000m): 251.8 at 7.4 knts Storm direction: 281.8 at 5.6 knts Shear (0-3000m) pos: 0.9 neg: 2.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -90.1 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -59.6 tot: -33.8 m^2/s^2 ave: -11.3 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.77 Bulk Shear: 31.21 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 148 12 134 16| 0.0 2.9 2.9| 7.5 -12.7 -5.2 -10.4 -0.14| 9.3 -1.3 1000 137 11 126 16| 0.0 3.1 3.1| 7.5 -34.1 -26.7 -26.7 -0.45| 7.5 -3.4 1500 129 10 119 15| 0.0 2.5 2.5| 7.5 -42.0 -34.5 -23.0 -0.47| 6.3 -3.0 2000 128 9 118 14| 1.4 1.9 3.3| 22.6 -42.0 -19.4 -9.7 -0.14| 6.2 -0.9 2500 130 8 118 13| 1.1 2.6 3.7| 25.8 -55.7 -29.9 -11.9 -0.24| 7.0 -1.7 3000 130 7 117 12| 0.9 2.7 3.6| 25.8 -59.6 -33.8 -11.3 -0.31| 6.6 -2.0 4000 139 7 122 11| 0.6 2.1 2.7| 26.0 -60.3 -34.2 -8.6 -0.31| 5.3 -1.6 5000 177 7 143 10| 0.5 1.7 2.2| 26.1 -62.9 -36.7 -7.3 -0.36| 4.7 -1.7 6000 252 7 205 4| 0.7 1.4 2.1| 27.8 -65.0 -37.3 -6.2 -0.33| 4.6 -1.5 Wrote GIF file: /home/apache/climate/data/raob//NVVV/skewt/NVVV.skewt.20251204.00.gif