UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SCSN... Searching the city database file for: SCSN ... Date:1200Z 7 DEC 25 Station: SCSN WMO ident: 85586 Latitude: -33.65 Longitude: -71.61 Elevation: 75.00 ------------------------------------------------------------------------------- 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 75 15.4 14.5 94 0.9 14.8 165 2 287.8 289.6 287.6 316.6 10.34 1 1000 151 15.6 12.6 82 3.0 13.8 110 1 288.8 290.4 286.9 314.6 9.20 2 950 586 13.0 11.6 91 1.4 12.1 107 4 290.4 292.0 287.4 316.0 9.06 3 925 811 14.4 10.1 75 4.3 11.9 105 6 294.0 295.5 288.2 318.2 8.41 4 889 1149 18.0 8.0 52 10.0 12.0 124 9 301.1 302.5 289.9 323.6 7.59 5 850 1531 15.4 5.4 51 10.0 9.7 145 12 302.3 303.5 289.4 322.1 6.63 6 761 2459 9.8 -3.2 40 13.0 3.5 134 8 305.9 306.7 288.2 318.2 3.97 7 700 3146 4.0 -5.0 52 9.0 -0.2 125 5 306.9 307.6 288.3 318.6 3.76 8 594 4456 -7.3 -9.8 82 2.5 -8.3 142 15 308.6 309.1 288.2 318.2 3.06 9 513 5585 -14.5 -15.8 90 1.3 -14.9 157 23 313.1 313.5 288.8 320.2 2.18 10 505 5704 -14.1 -15.5 89 1.4 -14.6 159 24 315.0 315.4 289.5 322.4 2.27 11 500 5780 -14.3 -15.6 90 1.3 -14.7 160 25 315.6 316.0 289.7 323.1 2.27 12 462 6375 -16.7 -17.9 90 1.2 -17.1 141 35 319.8 320.2 290.7 326.6 2.02 13 400 7440 -23.3 -25.1 85 1.8 -23.7 105 53 324.7 325.0 291.5 329.1 1.24 14 388 7662 -24.9 -26.6 86 1.7 -25.3 106 52 325.4 325.7 291.5 329.4 1.12 15 327 8882 -33.9 -37.4 71 3.5 -34.3 109 47 329.4 329.5 292.0 331.1 0.47 16 300 9480 -38.7 -42.3 69 3.6 -39.0 110 44 330.8 330.9 292.3 332.0 0.31 17 274 10099 -44.1 -48.6 61 4.5 -44.3 105 46 331.7 331.7 292.3 332.4 0.17 18 250 10710 -49.5 -53.0 67 3.5 -49.6 100 49 332.5 332.5 292.5 332.9 0.11 19 245 10841 -50.7 -54.2 66 3.5 -50.8 97 51 332.6 332.6 292.5 333.0 0.10 20 235 11109 -53.1 -58.1 54 5.0 -53.2 90 56 333.0 333.0 292.6 333.2 0.06 21 222 11471 -56.2 -60.0 62 3.8 -56.3 80 62 333.7 333.7 292.7 333.9 0.05 22 216 11643 -57.7 -60.9 67 3.2 -57.8 75 54 334.0 334.0 292.9 334.2 0.05 23 210 11821 -55.9 -68.9 18 13.0 -56.1 64 40 339.5 339.5 294.2 339.5 0.02 24 200 12130 -55.1 -76.1 6 21.0 -55.4 45 16 345.5 345.5 295.6 345.5 0.01 25 192 12392 -54.7 -77.7 4 23.0 -55.0 24 16 350.2 350.2 296.7 350.2 0.01 26 150 13960 -59.5 -83.5 3 24.0 -59.7 255 17 367.6 367.6 300.1 367.6 0.00 27 141 14350 -57.7 -83.7 2 26.0 -58.0 258 18 377.3 377.3 301.8 377.3 0.00 28 100 16490 -64.1 -87.1 3 23.0 -64.3 275 26 403.9 403.9 305.7 403.9 0.00 29 79 17918 -69.1 -88.1 5 19.0 -69.2 222 12 421.7 421.7 307.9 421.7 0.00 30 71 18563 -64.9 -87.9 3 23.0 -65.1 198 6 443.7 443.7 310.3 443.7 0.00 31 70 18650 -65.3 -88.3 3 23.0 -65.5 195 5 444.7 444.7 310.3 444.7 0.00 32 55 20103 -69.7 -89.7 4 20.0 -69.8 466.4 466.4 312.3 466.4 0.00 TRP 216 11643 -57.7 -60.9 67 3.2 -57.8 75 54 334.0 334.0 292.9 334.2 0.05 WND 222 11471 -56.2 -60.0 62 3.8 -56.3 80 62 333.7 333.7 292.7 333.9 0.05 Sounding variables and indices 1000-500 mb thick: 5629.00 m Freezing level: 662.48 mb = 3609.62 m = 11842.45 ft Wetbulb zero: 702.62 mb = 3115.29 m = 10220.63 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 67.08 % Est. max temperature: 29.63 C = 85.34 F Sfc-Lift cond lev (LCL): 995.75 mb = 187.10 m = 613.84 ft T: 15.38 C 700-500 lapse rate: 6.95 C/km ThetaE index: 5.43 C Layer 850.0- 700.0 mb Conv cond level (CCL): 737.53 mb = 2716.61 m = 8912.66 ft Mean mixing ratio: 8.93 g/kg Conv temperature: 33.95 C = 93.11 F Cap Strength: 8.43 C Lifted Index: 4.08 C Risk: None Lifted Index @300 mb: 10.56 C Lifted Index @700 mb: 5.09 C Showalter Index: 0.91 C Risk: Thunderstorms probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 19.70 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 121.80 Risk: None Energy Index: 0.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.57 J/kg Max Up Vert Vel: 7.82 m/s Conv Inhibition (B-): 18781.93 J/kg Cap Strength: 8.42 C Lift Cond Lev (LCL): 917.12 mb = 883.83 m = 2899.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 178 at 9 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 75 165 2 -0.5 1.9 | 2 7 -0.2 -6.9 1 1000 151 110 1 -0.9 0.3 | 4 9 -0.7 -8.5 2 925 811 105 6 -5.8 1.6 | 37 9 -5.5 -7.3 3 850 1531 145 12 -6.9 9.8 | 98 7 -6.6 1.0 4 700 3146 125 5 -4.1 2.9 | 32 7 -3.8 -6.0 5 500 5780 160 25 -8.6 23.5 | 151 17 -8.3 14.6 6 400 7440 105 53 -51.2 13.7 | 95 51 -50.9 4.8 7 300 9480 110 44 -41.3 15.0 | 99 42 -41.1 6.2 8 250 10710 100 49 -48.3 8.5 | 90 48 -48.0 -0.4 9 222 11471 80 62 -61.1 -10.8 | 72 64 -60.8 -19.6 10 216 11643 75 54 -52.2 -14.0 | 66 57 -51.9 -22.8 11 200 12130 45 16 -11.3 -11.3 | 29 23 -11.0 -20.2 12 150 13960 255 17 16.4 4.4 | 285 17 16.7 -4.5 13 100 16490 275 26 25.9 -2.3 | 293 28 26.2 -11.1 14 70 18650 195 5 1.3 4.8 | 339 4 1.6 -4.0 Wind Parameters Mean winds (0-6000m): 148.2 at 11.8 knts Storm direction: 178.2 at 8.9 knts Shear (0-3000m) pos: 1.5 neg: 1.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 32.9 deg Storm rel helicity (0-3000m) pos: 28.5 neg: -12.1 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.30 Bulk Shear: 13.27 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 ------------------------------------------------------------------------------- 500 111 2 14 8| 0.0 3.7 3.7| 7.7 0.0 7.7 15.4 0.75| 4.8 3.6 1000 110 4 27 8| 2.2 1.8 4.0| 17.9 0.0 17.9 17.9 0.85| 4.8 4.1 1500 126 6 43 7| 3.0 1.2 4.3| 28.5 0.0 28.5 19.0 0.89| 5.1 4.6 2000 132 7 53 7| 2.3 1.1 3.4| 28.5 -4.2 24.4 12.2 0.62| 4.5 2.8 2500 133 8 55 6| 1.8 1.2 3.0| 28.5 -8.2 20.4 8.2 0.43| 4.1 1.8 3000 134 7 54 6| 1.5 1.2 2.8| 28.5 -12.1 16.4 5.5 0.29| 3.8 1.1 4000 134 8 56 6| 2.0 0.9 2.9| 41.6 -12.3 29.3 7.3 0.45| 3.8 1.7 5000 140 9 73 6| 2.5 0.7 3.2| 60.1 -12.3 47.9 9.6 0.54| 3.9 2.1 6000 148 12 101 6| 2.4 0.6 3.0| 78.6 -31.6 47.1 7.8 0.42| 4.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//SCSN/skewt/SCSN.skewt.20251207.12.gif