UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SKSP... Searching the city database file for: SKSP ... Date:1200Z 28 DEC 25 Station: SKSP WMO ident: 80001 Latitude: 12.58 Longitude: -81.72 Elevation: 2.00 ------------------------------------------------------------------------------- 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 1012 2 26.4 24.1 87 2.3 24.7 80 9 298.5 302.0 297.5 353.9 19.00 1 1007 46 26.6 23.6 84 3.0 24.4 76 10 299.2 302.5 297.3 353.2 18.51 2 1006 55 26.6 23.4 83 3.2 24.3 75 10 299.2 302.6 297.2 352.7 18.30 3 1000 109 26.0 23.0 84 3.0 23.8 70 11 299.1 302.4 297.0 351.6 17.96 4 999 118 26.0 22.9 83 3.1 23.8 70 11 299.2 302.5 297.0 351.4 17.87 5 990 198 25.4 22.0 81 3.4 22.9 70 12 299.4 302.5 296.4 349.2 17.05 6 966 413 23.6 20.8 84 2.8 21.6 70 14 299.7 302.7 296.0 347.1 16.21 7 935 698 21.8 18.1 80 3.7 19.2 75 15 300.7 303.3 294.8 342.1 14.11 8 925 792 21.0 18.2 84 2.8 19.1 80 16 300.8 303.4 295.0 342.9 14.36 9 876 1262 17.8 15.6 87 2.2 16.3 66 18 302.2 304.5 294.3 340.1 12.83 10 850 1520 16.6 13.5 82 3.1 14.6 70 18 303.5 305.7 293.7 337.8 11.52 11 700 3149 7.6 -4.4 42 12.0 1.8 110 9 310.9 311.6 289.8 323.3 3.94 12 694 3220 7.4 -4.6 42 12.0 1.6 111 9 311.4 312.2 289.9 323.8 3.91 13 674 3460 6.4 -5.6 42 12.0 0.7 116 11 312.9 313.7 290.2 324.8 3.74 14 667 3545 6.8 -13.2 22 20.0 -1.3 118 11 314.3 314.7 289.1 321.1 2.07 15 625 4078 5.4 -29.6 6 35.0 -4.7 114 12 318.6 318.7 288.9 320.5 0.53 16 607 4315 3.8 -20.2 15 24.0 -4.6 89 10 319.5 319.7 289.9 323.8 1.26 17 571 4809 1.0 -33.0 6 34.0 -7.8 64 6 321.8 321.9 289.8 323.3 0.42 18 518 5583 -4.9 -12.9 53 8.0 -8.1 354 5 323.8 324.3 292.5 333.0 2.74 19 500 5860 -7.1 -16.1 49 9.0 -10.4 315 1 324.4 324.8 292.2 331.8 2.18 20 482 6146 -8.7 -20.7 37 12.0 -12.5 355 4 325.8 326.1 292.0 331.1 1.53 21 477 6227 -8.5 -31.5 14 23.0 -14.0 347 5 327.1 327.2 291.5 329.2 0.58 22 431 7006 -14.5 -31.5 22 17.0 -18.3 266 21 329.0 329.2 292.1 331.4 0.64 23 422 7167 -14.9 -39.9 10 25.0 -19.3 264 24 330.5 330.6 292.2 331.6 0.28 24 400 7570 -18.3 -38.3 16 20.0 -21.8 260 31 331.2 331.3 292.4 332.5 0.35 25 345 8651 -26.9 -33.9 52 7.0 -28.1 230 26 333.9 334.0 293.4 336.2 0.63 26 307 9479 -33.5 -49.5 19 16.0 -34.8 218 23 335.9 336.0 293.4 336.5 0.14 27 300 9640 -34.7 -48.7 23 14.0 -35.8 240 21 336.5 336.5 293.6 337.1 0.15 28 278 10167 -39.9 -51.9 27 12.0 -40.6 247 18 336.4 336.4 293.5 336.8 0.11 29 266 10468 -40.9 -55.9 18 15.0 -41.7 247 17 339.2 339.2 294.2 339.5 0.07 30 261 10598 -40.9 -59.9 11 19.0 -41.8 242 16 341.0 341.0 294.6 341.2 0.05 31 250 10890 -42.3 -61.3 11 19.0 -43.1 215 26 343.2 343.2 295.1 343.3 0.04 32 211 12026 -45.9 -69.9 5 24.0 -46.6 222 32 354.6 354.6 297.6 354.7 0.01 33 200 12380 -48.9 -70.9 6 22.0 -49.4 235 35 355.3 355.3 297.8 355.4 0.01 34 184 12921 -53.9 -72.9 8 19.0 -54.2 237 35 355.8 355.8 297.8 355.8 0.01 35 150 14200 -64.9 -77.9 15 13.0 -65.0 245 31 358.3 358.3 298.4 358.3 0.01 36 108 16132 -77.7 -86.7 22 9.0 -77.7 356 4 369.4 369.4 300.5 369.4 0.00 37 100 16570 -78.5 -87.5 22 9.0 -78.5 130 6 376.1 376.1 301.6 376.1 0.00 38 81 17757 -83.7 -91.7 23 8.0 -83.7 95 14 388.7 388.7 303.6 388.8 0.00 39 80 17826 -83.7 -91.7 23 8.0 -83.7 97 13 390.1 390.1 303.8 390.1 0.00 40 76 18112 -82.7 -89.7 29 7.0 -82.7 85 12 398.0 398.0 304.9 398.0 0.00 41 74 18260 -83.3 -90.3 28 7.0 -83.3 68 13 399.8 399.8 305.2 399.8 0.00 42 73 18336 -83.3 -90.3 28 7.0 -83.3 62 15 401.3 401.3 305.4 401.3 0.00 43 70 18570 -82.5 -89.5 29 7.0 -82.5 50 24 407.9 407.9 306.2 407.9 0.00 44 68 18733 -82.3 -89.3 29 7.0 -82.3 36 23 411.7 411.7 306.7 411.7 0.00 45 64 19075 -81.3 -88.3 30 7.0 -81.3 62 24 421.1 421.1 307.9 421.1 0.00 46 50 20520 -67.5 -88.5 4 21.0 -67.7 70 22 484.4 484.4 313.8 484.4 0.00 47 42 21581 -62.5 -87.5 2 25.0 -63.0 91 29 521.6 521.6 316.4 521.6 0.00 48 32 23274 -57.9 -87.9 1 30.0 -59.0 82 45 576.1 576.1 319.5 576.1 0.01 49 30 23680 -58.1 -88.1 1 30.0 -59.2 85 47 586.2 586.3 320.0 586.3 0.01 50 24 25104 -53.3 -84.3 1 31.0 -55.5 86 39 638.8 638.8 322.3 638.9 0.01 51 23 25378 -53.5 -84.5 1 31.0 -55.8 80 33 646.1 646.1 322.5 646.2 0.01 52 20 26280 -52.9 -83.9 1 31.0 -55.6 50 24 674.3 674.3 323.6 674.4 0.02 53 17 27327 -53.5 -84.5 1 31.0 -56.3 53 25 704.4 704.4 324.6 704.5 0.02 54 14 28572 -54.9 -85.9 1 31.0 -57.8 52 29 739.9 739.9 325.7 740.0 0.02 55 12 29562 -52.9 -83.9 1 31.0 -56.8 63 26 780.3 780.3 326.7 780.6 0.03 TRP 81 17757 -83.7 -91.7 23 8.0 -83.7 95 14 388.7 388.7 303.6 388.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 562.02 mb = 4940.25 m = 16207.98 ft Wetbulb zero: 671.53 mb = 3489.84 m = 11449.46 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 49.88 % Est. max temperature: 30.79 C = 87.42 F Sfc-Lift cond lev (LCL): 979.19 mb = 294.30 m = 965.54 ft T: 24.59 C 700-500 lapse rate: 5.42 C/km ThetaE index: 19.61 C Layer 876.0- 694.0 mb Conv cond level (CCL): 899.16 mb = 1036.61 m = 3400.91 ft Mean mixing ratio: 15.88 g/kg Conv temperature: 29.39 C = 84.90 F Cap Strength: 0.93 C Lifted Index: -2.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.37 C Lifted Index @700 mb: -2.03 C Showalter Index: 0.61 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.60 C K Index: 25.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.00 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 916.51 J/kg Max Up Vert Vel: 42.81 m/s Conv Inhibition (B-): 10.84 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 919.51 mb = 843.40 m = 2767.02 ft Lev Free Conv (LFC): 874.51 mb = 1276.48 m = 4187.89 ft Equ Level (EL): 624.51 mb = 4083.94 m = 13398.60 ft B at Equ Level: 106.98 J/kg Max Parcel Lev (MPL): 134.51 mb = 14841.12 m = 48690.74 ft Wind level data Storm motion: 108 at 8 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 1012 2 80 9 -8.9 -1.6 | 10 4 -0.8 -4.1 1 1000 109 70 11 -10.3 -3.8 | 19 7 -2.2 -6.3 2 978 305 70 13 -12.2 -4.4 | 30 8 -4.1 -7.0 3 944 610 70 15 -14.1 -5.1 | 38 10 -6.0 -7.7 4 925 792 80 16 -15.8 -2.8 | 55 9 -7.7 -5.4 5 912 914 70 16 -15.0 -5.5 | 41 11 -6.9 -8.1 6 880 1219 65 18 -16.3 -7.6 | 39 13 -8.2 -10.2 7 850 1520 70 18 -16.9 -6.2 | 45 12 -8.8 -8.7 8 819 1829 75 17 -16.4 -4.4 | 50 11 -8.3 -7.0 9 790 2134 75 14 -13.5 -3.6 | 41 8 -5.4 -6.2 10 762 2438 75 14 -13.5 -3.6 | 41 8 -5.4 -6.2 11 735 2743 75 12 -11.6 -3.1 | 32 7 -3.5 -5.7 12 700 3149 110 9 -8.5 3.1 | 144 1 -0.4 0.5 13 657 3658 120 12 -10.4 6.0 | 146 4 -2.3 3.4 14 633 3962 125 13 -10.6 7.5 | 152 6 -2.6 4.9 15 609 4267 90 10 -10.0 0.0 | 36 3 -1.9 -2.6 16 565 4877 60 5 -4.3 -2.5 | 323 6 3.8 -5.1 17 544 5182 10 8 -1.4 -7.9 | 327 12 6.7 -10.5 18 504 5791 345 3 0.8 -2.9 | 302 10 8.9 -5.5 19 500 5860 315 1 0.7 -0.7 | 290 9 8.8 -3.3 20 485 6096 360 3 -0.0 -3.0 | 305 10 8.1 -5.6 21 430 7010 265 21 20.9 1.8 | 271 29 29.0 -0.7 22 400 7570 260 31 30.5 5.4 | 266 39 38.6 2.8 23 397 7620 260 31 30.5 5.4 | 266 39 38.6 2.8 24 321 9144 215 24 13.8 19.7 | 232 28 21.9 17.1 25 308 9449 215 23 13.2 18.8 | 233 27 21.3 16.3 26 300 9640 240 21 18.2 10.5 | 253 27 26.3 7.9 27 270 10363 250 17 16.0 5.8 | 262 24 24.1 3.2 28 258 10668 240 16 13.9 8.0 | 256 23 22.0 5.4 29 250 10890 215 26 14.9 21.3 | 231 30 23.0 18.7 30 225 11582 205 28 11.8 25.4 | 221 30 19.9 22.8 31 200 12380 235 35 28.7 20.1 | 245 41 36.8 17.5 32 196 12497 235 36 29.5 20.6 | 244 42 37.6 18.1 33 170 13411 240 34 29.4 17.0 | 249 40 37.5 14.4 34 150 14200 245 31 28.1 13.1 | 254 38 36.2 10.5 35 132 14935 245 19 17.2 8.0 | 258 26 25.3 5.4 36 126 15240 245 11 10.0 4.6 | 263 18 18.1 2.1 37 119 15545 20 4 -1.4 -3.8 | 313 9 6.7 -6.3 38 113 15850 360 6 -0.0 -6.0 | 317 12 8.1 -8.6 39 107 16154 355 4 0.3 -4.0 | 308 11 8.4 -6.6 40 102 16459 55 3 -2.5 -1.7 | 307 7 5.6 -4.3 41 100 16570 130 6 -4.6 3.9 | 250 4 3.5 1.3 42 92 17069 135 5 -3.5 3.5 | 258 5 4.6 1.0 43 87 17374 80 18 -17.7 -3.1 | 59 11 -9.6 -5.7 44 82 17678 70 24 -22.6 -8.2 | 53 18 -14.5 -10.8 45 81 17757 95 14 -13.9 1.2 | 77 6 -5.8 -1.4 46 78 17983 100 12 -11.8 2.1 | 82 4 -3.7 -0.5 47 74 18288 65 13 -11.8 -5.5 | 25 9 -3.7 -8.1 48 70 18570 50 24 -18.4 -15.4 | 30 21 -10.3 -18.0 49 70 18593 25 23 -9.7 -20.8 | 4 23 -1.6 -23.4 50 63 19202 70 24 -22.6 -8.2 | 53 18 -14.5 -10.8 51 60 19507 45 15 -10.6 -10.6 | 11 13 -2.5 -13.2 52 56 19812 40 25 -16.1 -19.2 | 20 23 -8.0 -21.7 53 51 20422 100 13 -12.8 2.3 | 86 5 -4.7 -0.3 54 50 20520 70 22 -20.7 -7.5 | 51 16 -12.6 -10.1 55 48 20726 70 17 -16.0 -5.8 | 43 12 -7.9 -8.4 56 44 21336 95 28 -27.9 2.4 | 90 20 -19.8 -0.1 57 42 21641 90 29 -29.0 0.0 | 83 21 -20.9 -2.6 58 40 21946 105 33 -31.9 8.5 | 104 25 -23.8 6.0 59 38 22250 100 31 -30.5 5.4 | 97 23 -22.4 2.8 60 34 22860 75 43 -41.5 -11.1 | 68 36 -33.4 -13.7 61 31 23470 85 46 -45.8 -4.0 | 80 38 -37.7 -6.6 62 30 23680 85 47 -46.8 -4.1 | 80 39 -38.7 -6.7 63 27 24384 80 45 -44.3 -7.8 | 74 38 -36.2 -10.4 64 26 24689 75 46 -44.4 -11.9 | 68 39 -36.3 -14.5 65 24 24994 90 41 -41.0 0.0 | 86 33 -32.9 -2.6 66 23 25298 80 35 -34.5 -6.1 | 72 28 -26.4 -8.7 67 22 25603 80 29 -28.6 -5.0 | 70 22 -20.5 -7.6 68 21 25908 60 23 -19.9 -11.5 | 40 18 -11.8 -14.1 69 20 26213 45 27 -19.1 -19.1 | 27 24 -11.0 -21.7 70 20 26280 50 24 -18.4 -15.4 | 30 21 -10.3 -18.0 71 16 27127 55 26 -21.3 -14.9 | 37 22 -13.2 -17.5 72 15 27432 45 28 -19.8 -19.8 | 28 25 -11.7 -22.4 73 13 27737 60 30 -26.0 -15.0 | 45 25 -17.9 -17.6 74 11 28346 65 23 -20.8 -9.7 | 46 18 -12.7 -12.3 75 10 28651 75 28 -27.0 -7.2 | 63 21 -18.9 -9.8 76 10 28956 90 26 -26.0 0.0 | 82 18 -17.9 -2.6 77 9 29261 85 23 -22.9 -2.0 | 73 16 -14.8 -4.6 Wind Parameters Mean winds (0-6000m): 77.7 at 11.3 knts Storm direction: 107.7 at 8.5 knts Shear (0-3000m) pos: 1.3 neg: 1.1 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 45.4 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -12.7 tot: 9.8 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 0.8 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 2461.46 Bulk Shear: 0.37 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 71 12 28 7| 0.0 5.8 5.8| 5.6 0.0 5.6 11.3 0.51| 6.1 3.1 1000 72 14 37 9| 0.0 4.1 4.1| 13.3 -6.3 7.0 7.0 0.30| 6.4 1.9 1500 70 15 39 10| 0.5 2.7 3.2| 17.7 -7.2 10.5 7.0 0.30| 5.3 1.6 2000 71 16 41 10| 0.6 2.0 2.6| 20.7 -9.0 11.7 5.8 0.26| 4.9 1.3 2500 72 15 41 10| 0.5 1.3 1.8| 20.7 -11.1 9.6 3.8 0.20| 4.3 0.8 3000 73 15 41 9| 1.3 1.1 2.4| 22.5 -12.7 9.8 3.3 0.18| 4.6 0.8 4000 81 14 50 7| 1.6 0.8 2.4| 23.7 -13.5 10.1 2.5 0.19| 4.5 0.9 5000 82 13 46 6| 1.3 1.6 2.9| 25.0 -24.5 0.5 0.1 -0.08| 5.1 -0.4 6000 78 11 31 6| 1.1 1.2 2.3| 27.5 -46.6 -19.1 -3.2 -0.17| 5.3 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SKSP/skewt/SKSP.skewt.20251228.12.gif