UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for SKSP... Searching the city database file for: SKSP ... Date:0000Z 18 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 1010 2 27.8 21.8 70 6.0 23.5 90 8 300.1 303.1 296.3 348.4 16.50 1 1008 21 27.4 21.4 70 6.0 23.1 88 10 299.9 302.8 296.0 347.0 16.12 2 1000 95 27.0 21.0 70 6.0 22.7 80 16 300.1 303.0 295.8 346.6 15.85 3 998 113 26.6 20.6 70 6.0 22.3 81 16 299.9 302.7 295.6 345.2 15.48 4 925 774 20.8 17.6 82 3.2 18.6 80 16 300.6 303.1 294.6 341.1 13.82 5 915 868 20.0 17.1 83 2.9 18.0 87 17 300.7 303.2 294.4 340.4 13.53 6 901 1001 19.0 15.3 79 3.7 16.5 87 19 301.0 303.2 293.6 336.9 12.22 7 893 1078 19.2 11.2 60 8.0 14.1 85 20 302.0 303.7 291.6 329.8 9.39 8 850 1502 17.4 8.4 55 9.0 11.9 75 21 304.4 305.9 291.4 328.9 8.16 9 835 1654 16.4 9.4 63 7.0 12.1 70 20 304.9 306.5 292.2 331.6 8.90 10 827 1736 17.2 -3.8 24 21.0 6.8 68 20 306.6 307.2 287.9 317.4 3.49 11 799 2028 15.0 5.0 51 10.0 9.2 71 18 307.2 308.5 291.2 328.2 6.86 12 792 2102 15.0 1.0 39 14.0 7.4 74 18 308.0 309.0 290.0 324.1 5.20 13 765 2395 13.8 2.8 47 11.0 7.6 54 19 309.8 311.0 291.3 328.7 6.13 14 753 2528 14.0 -2.0 33 16.0 5.7 49 18 311.4 312.3 290.3 325.2 4.38 15 700 3141 11.8 -25.2 6 37.0 -0.4 65 12 315.6 315.7 288.1 318.0 0.70 16 684 3333 11.2 -32.8 3 44.0 -1.4 63 10 317.0 317.0 288.2 318.3 0.35 17 660 3629 9.0 -33.0 3 42.0 -2.7 60 7 317.8 317.8 288.4 319.1 0.36 18 638 3908 7.6 -37.4 2 45.0 -3.8 71 7 319.3 319.3 288.8 320.1 0.24 19 584 4628 2.8 -35.2 4 38.0 -6.8 108 8 321.8 321.9 289.7 323.0 0.33 20 568 4852 1.0 -41.0 3 42.0 -8.2 121 8 322.3 322.3 289.7 323.0 0.19 21 557 5008 -0.3 -35.3 5 35.0 -8.8 129 8 322.6 322.6 289.9 323.8 0.34 22 529 5418 -3.5 -41.5 3 38.0 -11.2 133 9 323.5 323.6 290.0 324.2 0.19 23 500 5860 -6.5 -37.5 6 31.0 -13.1 140 12 325.1 325.2 290.6 326.3 0.30 24 482 6146 -8.1 -10.1 85 2.0 -8.9 152 10 326.6 327.3 294.0 338.9 3.68 25 462 6474 -9.7 -13.1 76 3.4 -11.1 137 12 328.6 329.2 294.0 338.9 3.02 26 400 7570 -17.1 -18.7 87 1.6 -17.6 165 12 332.8 333.2 294.4 340.4 2.19 27 397 7627 -17.5 -18.9 89 1.4 -18.0 155 12 333.0 333.4 294.4 340.6 2.16 28 371 8133 -20.5 -26.5 59 6.0 -22.0 178 17 335.5 335.7 294.3 339.8 1.18 29 331 8967 -27.9 -29.2 89 1.3 -28.2 147 17 336.5 336.7 294.4 340.3 1.03 30 300 9670 -32.1 -39.1 50 7.0 -33.0 135 17 340.1 340.2 294.7 341.8 0.43 31 282 10101 -35.7 -42.7 49 7.0 -36.4 126 14 341.0 341.1 294.8 342.3 0.31 32 266 10501 -39.3 -44.3 59 5.0 -39.8 136 16 341.5 341.6 295.0 342.6 0.28 33 263 10578 -39.9 -48.9 38 9.0 -40.5 138 17 341.8 341.8 294.9 342.4 0.17 34 250 10920 -43.1 -48.1 58 5.0 -43.5 160 20 342.0 342.0 295.0 342.8 0.20 35 248 10974 -43.3 -48.3 58 5.0 -43.6 160 20 342.5 342.5 295.1 343.3 0.19 36 240 11195 -45.1 -51.1 51 6.0 -45.4 160 18 343.0 343.0 295.2 343.6 0.14 37 229 11507 -47.9 -52.8 57 4.9 -48.1 160 16 343.4 343.4 295.3 343.9 0.12 38 220 11772 -49.7 -59.7 30 10.0 -50.0 160 14 344.5 344.6 295.4 344.8 0.06 39 203 12294 -54.1 -58.7 57 4.6 -54.2 180 15 345.6 345.6 295.7 345.9 0.07 40 200 12390 -54.9 -59.9 54 5.0 -55.0 185 15 345.8 345.8 295.7 346.1 0.06 41 182 12990 -57.3 -70.3 18 13.0 -57.5 193 23 351.4 351.4 297.0 351.4 0.02 42 173 13311 -58.1 -77.1 7 19.0 -58.3 195 32 355.2 355.2 297.7 355.2 0.01 43 150 14200 -62.9 -83.9 4 21.0 -63.0 210 32 361.7 361.7 299.0 361.7 0.00 44 149 14241 -63.1 -84.1 4 21.0 -63.2 210 32 362.1 362.1 299.1 362.1 0.00 45 125 15296 -72.5 -87.5 9 15.0 -72.5 221 38 363.7 363.7 299.4 363.7 0.00 46 108 16143 -77.5 -90.5 11 13.0 -77.5 256 23 369.8 369.8 300.5 369.8 0.00 47 100 16580 -80.1 -93.1 10 13.0 -80.1 285 16 373.0 373.0 301.1 373.0 0.00 48 87 17357 -84.1 -95.1 13 11.0 -84.1 265 5 380.1 380.1 302.3 380.1 0.00 49 86 17421 -84.3 -95.3 13 11.0 -84.3 295 6 380.9 380.9 302.4 380.9 0.00 50 81 17751 -84.5 -95.5 13 11.0 -84.5 218 5 387.1 387.1 303.3 387.1 0.00 51 74 18255 -80.5 -90.5 17 10.0 -80.5 137 12 405.7 405.7 306.0 405.7 0.00 52 70 18570 -78.1 -89.1 15 11.0 -78.1 345 10 417.3 417.3 307.4 417.3 0.00 53 53 20200 -68.3 -89.3 3 21.0 -68.5 93 15 474.6 474.6 313.0 474.6 0.00 54 50 20550 -67.9 -89.9 3 22.0 -68.1 115 13 483.5 483.5 313.7 483.5 0.00 55 45 21186 -64.1 -89.1 2 25.0 -64.5 119 14 507.5 507.5 315.5 507.5 0.00 56 42 21606 -65.3 -91.3 2 26.0 -65.7 90 8 514.6 514.6 315.9 514.6 0.00 57 39 22056 -64.9 -91.9 1 27.0 -65.3 79 15 526.7 526.7 316.7 526.7 0.00 58 36 22541 -66.1 -93.1 1 27.0 -66.5 92 13 535.8 535.8 317.3 535.8 0.00 59 36 22541 -65.9 -92.9 1 27.0 -66.2 92 13 536.3 536.3 317.3 536.3 0.00 60 30 23660 -60.1 -89.1 1 29.0 -61.0 100 25 580.8 580.8 319.7 580.8 0.00 61 29 23872 -59.9 -88.9 1 29.0 -60.9 109 23 587.0 587.0 320.0 587.0 0.00 62 27 24315 -62.3 -91.3 1 29.0 -63.1 84 28 592.4 592.4 320.3 592.4 0.00 63 20 26210 -52.9 -83.9 1 31.0 -55.6 85 21 674.3 674.3 323.6 674.4 0.02 64 18 26891 -51.9 -82.9 1 31.0 -55.1 89 23 698.0 698.0 324.4 698.2 0.02 65 16 27652 -53.3 -84.3 1 31.0 -56.3 77 16 717.4 717.4 325.0 717.5 0.02 66 12 29538 -45.5 -78.5 1 33.0 -52.2 83 19 806.5 806.6 327.4 807.2 0.07 67 11 30117 -46.3 -79.3 1 33.0 -53.0 65 18 823.9 824.0 327.8 824.6 0.07 TRP 87 17357 -84.1 -95.1 13 11.0 -84.1 265 5 380.1 380.1 302.3 380.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 559.54 mb = 4972.34 m = 16313.26 ft Wetbulb zero: 703.87 mb = 3094.74 m = 10153.23 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 28.67 % Est. max temperature: 31.52 C = 88.73 F Sfc-Lift cond lev (LCL): 925.91 mb = 765.45 m = 2511.28 ft T: 20.88 C 700-500 lapse rate: 6.73 C/km ThetaE index: 19.52 C Layer 1008.0- 835.0 mb Conv cond level (CCL): 845.08 mb = 1551.45 m = 5089.98 ft Mean mixing ratio: 14.63 g/kg Conv temperature: 32.25 C = 90.05 F Cap Strength: 3.45 C Lifted Index: -1.01 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.11 C Lifted Index @700 mb: 3.17 C Showalter Index: 5.26 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 14.90 C K Index: -4.70 Risk: None Sweat Index: 154.80 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 125.73 J/kg Max Up Vert Vel: 15.86 m/s Conv Inhibition (B-): 288.23 J/kg Cap Strength: 3.37 C Lift Cond Lev (LCL): 898.26 mb = 1027.36 m = 3370.57 ft Lev Free Conv (LFC): 543.26 mb = 5206.60 m = 17081.81 ft Equ Level (EL): 293.26 mb = 9828.06 m = 32243.91 ft B at Equ Level: 124.53 J/kg Max Parcel Lev (MPL): 193.26 mb = 12608.08 m = 41364.59 ft Wind level data Storm motion: 112 at 10 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 1010 2 90 8 -8.0 0.0 | 341 4 1.2 -3.7 1 1000 95 80 16 -15.8 -2.8 | 45 9 -6.5 -6.4 2 976 305 90 17 -17.0 0.0 | 65 9 -7.8 -3.7 3 943 610 85 16 -15.9 -1.4 | 53 8 -6.7 -5.0 4 925 774 80 16 -15.8 -2.8 | 45 9 -6.5 -6.4 5 910 914 90 18 -18.0 0.0 | 67 10 -8.8 -3.7 6 878 1219 80 22 -21.7 -3.8 | 59 15 -12.4 -7.5 7 850 1502 75 21 -20.3 -5.4 | 51 14 -11.1 -9.1 8 818 1829 65 19 -17.2 -8.0 | 34 14 -8.0 -11.7 9 789 2134 75 18 -17.4 -4.7 | 44 12 -8.2 -8.3 10 761 2438 50 19 -14.6 -12.2 | 19 17 -5.3 -15.9 11 734 2743 45 15 -10.6 -10.6 | 6 14 -1.4 -14.3 12 700 3141 65 12 -10.9 -5.1 | 11 9 -1.7 -8.7 13 657 3658 60 7 -6.1 -3.5 | 336 8 3.2 -7.2 14 609 4267 90 8 -8.0 0.0 | 341 4 1.2 -3.7 15 544 5182 140 8 -5.1 6.1 | 239 5 4.1 2.5 16 524 5486 130 9 -6.9 5.8 | 227 3 2.3 2.1 17 500 5860 140 12 -7.7 9.2 | 195 6 1.5 5.5 18 485 6096 155 10 -4.2 9.1 | 223 7 5.0 5.4 19 466 6401 135 12 -8.5 8.5 | 189 5 0.7 4.8 20 400 7570 165 12 -3.1 11.6 | 218 10 6.1 7.9 21 397 7620 155 12 -5.1 10.9 | 210 8 4.2 7.2 22 381 7925 185 17 1.5 16.9 | 219 17 10.7 13.3 23 322 9144 140 17 -10.9 13.0 | 170 10 -1.7 9.4 24 300 9670 135 17 -12.0 12.0 | 162 9 -2.8 8.4 25 283 10058 125 14 -11.5 8.0 | 153 5 -2.2 4.4 26 259 10668 140 17 -10.9 13.0 | 170 10 -1.7 9.4 27 250 10920 160 20 -6.8 18.8 | 189 15 2.4 15.1 28 216 11887 160 13 -4.4 12.2 | 209 10 4.8 8.6 29 200 12390 185 15 1.3 14.9 | 223 15 10.5 11.3 30 178 13106 195 25 6.5 24.1 | 217 26 15.7 20.5 31 162 13716 195 46 11.9 44.4 | 207 46 21.1 40.8 32 150 14200 210 32 16.0 27.7 | 226 35 25.2 24.1 33 139 14630 215 37 21.2 30.3 | 229 40 30.4 26.7 34 126 15240 220 39 25.1 29.9 | 233 43 34.3 26.2 35 102 16459 270 17 17.0 -0.0 | 278 26 26.2 -3.7 36 100 16580 285 16 15.5 -4.1 | 288 26 24.7 -7.8 37 92 17069 280 10 9.8 -1.7 | 286 20 19.1 -5.4 38 87 17357 265 5 5.0 0.4 | 283 15 14.2 -3.2 39 87 17374 305 6 4.9 -3.4 | 297 16 14.1 -7.1 40 82 17678 240 4 3.5 2.0 | 277 13 12.7 -1.7 41 78 17983 155 9 -3.8 8.2 | 230 7 5.4 4.5 42 74 18288 135 12 -8.5 8.5 | 189 5 0.7 4.8 43 70 18570 345 10 2.6 -9.7 | 318 18 11.8 -13.3 44 70 18593 245 6 5.4 2.5 | 274 15 14.7 -1.1 45 66 18898 360 12 -0.0 -12.0 | 329 18 9.2 -15.7 46 63 19202 55 15 -12.3 -8.6 | 14 13 -3.1 -12.3 47 57 19812 125 18 -14.7 10.3 | 140 9 -5.5 6.7 48 54 20117 90 13 -13.0 0.0 | 46 5 -3.8 -3.7 49 51 20422 100 19 -18.7 3.3 | 88 9 -9.5 -0.4 50 50 20550 115 13 -11.8 5.5 | 126 3 -2.6 1.8 51 49 20726 135 14 -9.9 9.9 | 174 6 -0.7 6.2 52 46 21031 95 17 -16.9 1.5 | 74 8 -7.7 -2.2 53 44 21336 140 12 -7.7 9.2 | 195 6 1.5 5.5 54 42 21641 85 8 -8.0 -0.7 | 344 5 1.3 -4.3 55 40 21946 75 17 -16.4 -4.4 | 42 11 -7.2 -8.1 56 38 22250 85 12 -12.0 -1.0 | 30 5 -2.7 -4.7 57 34 22860 100 15 -14.8 2.6 | 79 6 -5.5 -1.0 58 33 23165 110 20 -18.8 6.8 | 108 10 -9.6 3.2 59 30 23660 100 25 -24.6 4.3 | 93 15 -15.4 0.7 60 29 23774 115 22 -19.9 9.3 | 118 12 -10.7 5.6 61 27 24384 80 29 -28.6 -5.0 | 66 21 -19.3 -8.7 62 24 24994 100 30 -29.5 5.2 | 94 20 -20.3 1.6 63 22 25603 85 29 -28.9 -2.5 | 73 21 -19.7 -6.2 64 20 26210 85 21 -20.9 -1.8 | 65 13 -11.7 -5.5 65 20 26213 100 29 -28.6 5.0 | 94 19 -19.3 1.4 66 16 27127 75 15 -14.5 -3.9 | 35 9 -5.3 -7.5 67 15 27432 90 15 -15.0 0.0 | 58 7 -5.8 -3.7 68 13 27737 95 14 -13.9 1.2 | 63 5 -4.7 -2.4 69 12 28042 90 20 -20.0 0.0 | 71 11 -10.8 -3.7 70 10 28956 40 15 -9.6 -11.5 | 2 15 -0.4 -15.1 71 9 29261 55 17 -13.9 -9.8 | 19 14 -4.7 -13.4 72 8 29566 75 12 -11.6 -3.1 | 19 7 -2.4 -6.8 73 8 29870 65 20 -18.1 -8.5 | 36 15 -8.9 -12.1 Wind Parameters Mean winds (0-6000m): 81.6 at 13.2 knts Storm direction: 111.6 at 9.9 knts Shear (0-3000m) pos: 0.9 neg: 2.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 28.4 deg Storm rel helicity (0-3000m) pos: 29.7 neg: -68.0 tot: -38.2 m^2/s^2 ave: -12.7 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -0.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 120.11 Bulk Shear: 1.05 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 86 16 54 8| 0.0 8.6 8.6| 15.1 -2.5 12.6 25.2 0.70| 13.4 9.3 1000 86 16 55 9| 1.4 4.3 5.7| 21.7 -5.5 16.2 16.2 0.55| 9.7 5.4 1500 83 18 56 10| 1.0 3.7 4.7| 21.7 -18.0 3.6 2.4 0.28| 8.5 2.4 2000 80 18 52 11| 0.7 2.3 3.0| 25.2 -32.0 -6.8 -3.4 0.14| 7.8 1.1 2500 76 18 47 12| 0.6 2.5 3.1| 27.6 -57.9 -30.4 -12.2 -0.05| 8.1 -0.4 3000 72 18 41 12| 0.9 2.1 3.0| 29.7 -68.0 -38.2 -12.7 -0.08| 7.9 -0.6 4000 71 16 32 10| 1.4 1.6 3.0| 30.9 -78.4 -47.5 -11.9 -0.14| 7.1 -1.0 5000 75 14 30 9| 1.8 1.3 3.1| 31.0 -81.0 -50.0 -10.0 -0.19| 6.4 -1.2 6000 82 13 35 7| 1.9 1.0 2.9| 33.8 -84.3 -50.5 -8.4 -0.19| 6.1 -1.1 Wrote GIF file: /home/apache/climate/data/raob//SKSP/skewt/SKSP.skewt.20251218.00.gif