UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SCSN... Searching the city database file for: SCSN ... Date:1200Z 8 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 1006 75 15.4 14.0 91 1.4 14.6 115 4 288.1 289.8 287.5 316.1 10.03 1 1000 122 15.2 13.7 91 1.5 14.3 245 4 288.4 290.1 287.4 316.0 9.89 2 989 216 14.4 13.3 93 1.1 13.7 231 4 288.5 290.2 287.3 315.7 9.74 3 960 470 19.6 12.6 64 7.0 15.2 193 4 296.2 297.9 289.9 323.9 9.59 4 925 790 18.4 12.4 68 6.0 14.6 145 4 298.1 299.9 290.8 326.8 9.82 5 915 883 18.2 12.2 68 6.0 14.4 146 5 298.8 300.6 291.0 327.5 9.80 6 899 1035 19.8 7.8 46 12.0 12.6 147 6 302.0 303.4 290.0 324.1 7.40 7 888 1141 19.8 3.8 35 16.0 10.8 147 6 303.1 304.1 288.8 320.2 5.66 8 853 1486 17.6 0.6 32 17.0 8.6 150 9 304.3 305.1 288.3 318.6 4.68 9 850 1516 17.4 0.4 32 17.0 8.4 150 9 304.4 305.2 288.2 318.5 4.63 10 772 2329 11.8 -3.2 35 15.0 4.4 108 8 306.8 307.6 288.4 319.0 3.91 11 700 3140 6.2 -17.8 16 24.0 -2.3 65 6 309.4 309.6 286.6 313.8 1.35 12 681 3365 5.0 -28.0 7 33.0 -4.3 59 6 310.5 310.6 286.2 312.4 0.56 13 650 3743 1.8 -26.2 10 28.0 -6.1 50 5 311.0 311.1 286.5 313.4 0.69 14 642 3843 0.8 -12.2 37 13.0 -4.3 47 5 311.0 311.4 288.2 318.5 2.33 15 635 3931 0.4 -22.6 16 23.0 -6.6 45 5 311.5 311.7 287.0 314.8 0.98 16 629 4007 0.0 -7.0 59 7.0 -3.1 43 5 311.9 312.6 289.8 323.3 3.60 17 622 4097 -0.5 -5.5 69 5.0 -2.8 40 5 312.3 313.1 290.3 325.2 4.08 18 598 4411 -1.1 -9.1 55 8.0 -4.6 32 5 315.1 315.8 290.4 325.5 3.21 19 507 5712 -8.1 -19.1 41 11.0 -11.7 358 3 321.9 322.2 291.0 327.6 1.67 20 500 5820 -8.9 -18.9 44 10.0 -12.2 355 3 322.2 322.5 291.2 328.1 1.72 21 452 6589 -15.7 -21.7 60 6.0 -17.4 308 8 323.1 323.4 291.2 328.2 1.49 22 400 7500 -20.9 -41.9 13 21.0 -23.9 250 14 327.8 327.9 291.3 328.7 0.24 23 392 7649 -21.9 -44.9 11 23.0 -24.8 250 16 328.4 328.5 291.5 329.1 0.18 24 300 9560 -36.9 -58.9 8 22.0 -38.1 255 38 333.4 333.4 292.7 333.5 0.05 25 297 9629 -37.3 -59.3 8 22.0 -38.4 255 40 333.8 333.8 292.8 333.9 0.04 26 250 10790 -45.5 -66.5 8 21.0 -46.1 255 75 338.4 338.4 294.0 338.5 0.02 27 223 11547 -51.1 -66.5 14 15.4 -51.5 250 100 341.0 341.0 294.6 341.1 0.02 28 200 12250 -56.5 -66.5 27 10.0 -56.7 250 95 343.3 343.3 295.1 343.4 0.02 29 198 12313 -56.9 -64.9 36 8.0 -57.1 250 94 343.6 343.7 295.2 343.8 0.03 30 189 12605 -59.3 -68.3 30 9.0 -59.4 251 90 344.4 344.4 295.4 344.5 0.02 31 182 12840 -60.9 -73.9 16 13.0 -61.0 252 86 345.5 345.5 295.6 345.6 0.01 32 167 13368 -64.5 -76.5 18 12.0 -64.6 254 78 348.1 348.1 296.2 348.1 0.01 33 157 13743 -65.3 -77.3 17 12.0 -65.4 255 72 353.0 353.0 297.3 353.0 0.01 34 150 14020 -64.9 -81.9 8 17.0 -65.0 265 66 358.3 358.3 298.4 358.3 0.00 35 132 14803 -63.1 -84.1 4 21.0 -63.3 262 57 374.8 374.8 301.4 374.8 0.00 36 100 16500 -65.9 -86.9 4 21.0 -66.0 255 38 400.4 400.4 305.3 400.4 0.00 37 70 18650 -70.3 -88.3 5 18.0 -70.4 245 21 434.0 434.0 309.3 434.0 0.00 38 68 18822 -70.9 -88.9 5 18.0 -71.0 239 21 436.3 436.3 309.5 436.3 0.00 39 52 20424 -68.7 -90.7 3 22.0 -68.9 183 17 476.2 476.2 313.1 476.2 0.00 40 50 20660 -66.9 -89.9 3 23.0 -67.1 175 17 485.8 485.8 313.9 485.8 0.00 41 45 21302 -63.5 -89.5 2 26.0 -63.9 170 18 509.0 509.0 315.6 509.0 0.00 42 42 21724 -65.3 -89.3 2 24.0 -65.7 166 18 514.6 514.6 315.9 514.7 0.00 43 34 23014 -64.1 -89.1 2 25.0 -64.6 156 20 549.9 549.9 318.1 549.9 0.00 44 30 23790 -58.7 -87.7 1 29.0 -59.7 150 21 584.6 584.6 319.9 584.7 0.01 45 21 26072 -50.7 -83.7 1 33.0 -53.9 110 17 671.5 671.6 323.5 671.7 0.02 46 20 26390 -51.3 -84.3 1 33.0 -54.4 105 17 679.1 679.2 323.7 679.3 0.02 47 19 26723 -51.5 -83.5 1 32.0 -54.6 688.6 688.6 324.1 688.7 0.02 TRP 157 13743 -65.3 -77.3 17 12.0 -65.4 255 72 353.0 353.0 297.3 353.0 0.01 WND 223 11547 -51.1 -66.5 14 15.4 -51.5 250 100 341.0 341.0 294.6 341.1 0.02 Sounding variables and indices 1000-500 mb thick: 5698.00 m Freezing level: 629.00 mb = 4007.25 m = 13146.99 ft Wetbulb zero: 724.83 mb = 2851.28 m = 9354.49 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 41.47 % Est. max temperature: 31.54 C = 88.78 F Sfc-Lift cond lev (LCL): 985.41 mb = 246.94 m = 810.15 ft T: 15.03 C 700-500 lapse rate: 5.63 C/km ThetaE index: 8.97 C Layer 899.0- 772.0 mb Conv cond level (CCL): 730.38 mb = 2788.19 m = 9147.49 ft Mean mixing ratio: 9.67 g/kg Conv temperature: 35.65 C = 96.18 F Cap Strength: 8.13 C Lifted Index: 6.08 C Risk: None Lifted Index @300 mb: 8.26 C Lifted Index @700 mb: 4.72 C Showalter Index: 8.31 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 9.30 C K Index: 2.70 Risk: None Sweat Index: 25.80 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.24 J/kg Max Up Vert Vel: 10.12 m/s Conv Inhibition (B-): 33527.12 J/kg Cap Strength: 8.13 C Lift Cond Lev (LCL): 885.79 mb = 1162.16 m = 3812.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 at 4 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 1006 75 115 4 -3.6 1.7 | 22 1 -0.2 -0.6 1 1000 122 245 4 3.6 1.7 | 275 7 7.0 -0.6 2 925 790 145 4 -2.3 3.3 | 228 1 1.1 1.0 3 850 1516 150 9 -4.5 7.8 | 169 6 -1.1 5.5 4 700 3140 65 6 -5.4 -2.5 | 23 5 -2.0 -4.8 5 500 5820 355 3 0.3 -3.0 | 325 6 3.6 -5.3 6 400 7500 250 14 13.2 4.8 | 261 17 16.5 2.5 7 300 9560 255 38 36.7 9.8 | 259 41 40.1 7.6 8 250 10790 255 75 72.4 19.4 | 257 78 75.8 17.1 9 223 11547 250 100 94.0 34.2 | 252 102 97.4 31.9 10 200 12250 250 95 89.3 32.5 | 252 97 92.7 30.2 11 157 13743 255 72 69.5 18.6 | 257 75 72.9 16.4 12 150 14020 265 66 65.7 5.8 | 267 69 69.1 3.5 13 100 16500 255 38 36.7 9.8 | 259 41 40.1 7.6 14 70 18650 245 21 19.0 8.9 | 254 23 22.4 6.6 15 50 20660 175 17 -1.5 16.9 | 187 15 1.9 14.7 16 30 23790 150 21 -10.5 18.2 | 156 17 -7.1 15.9 17 20 26390 105 17 -16.4 4.4 | 99 13 -13.0 2.1 Wind Parameters Mean winds (0-6000m): 93.9 at 5.4 knts Storm direction: 123.9 at 4.1 knts Shear (0-3000m) pos: 0.7 neg: 1.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 5.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -19.1 tot: -19.1 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.74 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.01 Bulk Shear: 8.52 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 ------------------------------------------------------------------------------- 500 209 4 257 5| 4.3 0.0 4.3| 0.0 -4.9 -4.9 -9.8 -0.73| 14.0-10.1 1000 174 4 236 4| 2.1 1.7 3.8| 0.0 -6.1 -6.1 -6.1 -0.68| 9.1 -6.2 1500 160 5 209 3| 1.4 2.0 3.4| 0.0 -7.7 -7.7 -5.1 -0.64| 7.2 -4.6 2000 150 6 187 3| 1.1 1.7 2.8| 0.0 -12.0 -12.0 -6.0 -0.68| 6.4 -4.4 2500 142 6 168 3| 0.9 1.6 2.4| 0.0 -15.6 -15.6 -6.2 -0.72| 5.8 -4.2 3000 135 6 153 3| 0.7 1.4 2.1| 0.0 -19.1 -19.1 -6.4 -0.74| 5.4 -4.0 4000 117 6 105 2| 0.5 1.1 1.6| 0.0 -23.2 -23.2 -5.8 -0.76| 4.4 -3.4 5000 103 6 68 2| 0.4 0.8 1.2| 0.0 -26.9 -26.9 -5.4 -0.77| 3.8 -2.9 6000 94 5 47 3| 0.4 0.7 1.1| 0.0 -30.1 -30.1 -5.0 -0.75| 3.4 -2.6 Wrote GIF file: /home/apache/climate/data/raob//SCSN/skewt/SCSN.skewt.20251208.12.gif