UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for SKSP... Searching the city database file for: SKSP ... Date:0000Z 31 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 1013 2 27.6 22.8 75 4.8 24.1 50 8 299.6 302.8 296.8 350.8 17.51 1 1008 46 27.4 22.4 74 5.0 23.8 44 11 299.9 303.0 296.7 350.1 17.16 2 1000 116 26.6 21.8 75 4.8 23.2 35 17 299.8 302.8 296.3 348.5 16.66 3 925 800 20.2 19.0 93 1.2 19.4 45 17 300.0 302.7 295.3 344.2 15.12 4 903 1008 18.8 18.6 99 0.2 18.7 53 16 300.6 303.4 295.5 344.9 15.10 5 887 1161 17.4 16.8 96 0.6 17.0 58 14 300.7 303.2 294.6 340.9 13.70 6 871 1317 18.0 15.0 83 3.0 16.0 57 13 302.9 305.2 294.2 339.6 12.41 7 850 1526 17.0 13.5 80 3.5 14.7 50 13 304.0 306.1 293.9 338.3 11.52 8 829 1739 15.6 12.6 82 3.0 13.7 53 14 304.7 306.7 293.8 337.9 11.13 9 822 1811 15.6 10.6 72 5.0 12.4 55 15 305.4 307.2 293.0 334.9 9.81 10 794 2105 14.8 3.8 48 11.0 8.5 42 14 307.6 308.8 290.9 327.0 6.34 11 785 2201 14.6 2.6 44 12.0 7.9 40 13 308.4 309.5 290.7 326.5 5.89 12 732 2788 10.0 5.7 75 4.3 7.5 78 8 309.6 311.1 292.7 333.7 7.87 13 715 2983 9.2 2.2 62 7.0 5.3 121 5 310.8 312.0 291.8 330.3 6.28 14 700 3159 8.6 1.6 61 7.0 4.7 145 3 312.0 313.2 292.0 331.2 6.15 15 696 3206 8.6 -1.4 49 10.0 3.4 126 3 312.5 313.5 291.2 328.1 4.96 16 651 3758 7.2 -18.8 14 26.0 -2.3 81 2 317.0 317.2 289.2 321.5 1.33 17 631 4014 6.0 -10.0 31 16.0 -1.1 73 1 318.4 319.0 291.1 327.8 2.83 18 572 4810 0.0 -7.0 59 7.0 -3.3 271 6 320.5 321.2 292.6 333.4 3.96 19 559 4994 -0.7 -11.7 43 11.0 -5.3 278 5 321.8 322.3 292.0 331.1 2.79 20 523 5525 -2.5 -33.5 7 31.0 -10.2 242 5 325.8 325.9 291.0 327.4 0.43 21 501 5864 -5.1 -27.1 16 22.0 -11.3 198 10 326.6 326.8 291.6 329.6 0.83 22 500 5880 -5.3 -26.3 17 21.0 -11.3 200 11 326.6 326.8 291.6 329.8 0.89 23 478 6230 -7.3 -40.3 5 33.0 -13.9 227 9 328.3 328.4 291.5 329.3 0.24 24 400 7580 -19.1 -42.1 11 23.0 -22.6 250 23 330.2 330.2 292.0 331.1 0.24 25 377 8019 -22.1 -30.1 48 8.0 -23.8 245 29 331.8 332.0 293.0 334.9 0.83 26 373 8097 -22.5 -40.5 18 18.0 -25.2 243 31 332.3 332.4 292.6 333.5 0.30 27 313 9361 -32.3 -42.3 36 10.0 -33.4 217 49 335.8 335.8 293.6 336.9 0.30 28 312 9383 -32.5 -42.5 36 10.0 -33.6 217 49 335.8 335.8 293.6 336.9 0.29 29 307 9497 -32.3 -57.3 7 25.0 -34.0 218 48 337.6 337.6 293.8 337.8 0.05 30 300 9660 -33.3 -55.3 9 22.0 -34.8 220 47 338.4 338.5 294.0 338.7 0.07 31 295 9778 -34.1 -56.1 9 22.0 -35.5 220 48 338.9 339.0 294.1 339.2 0.07 32 289 9922 -34.5 -58.5 7 24.0 -36.0 220 50 340.4 340.4 294.4 340.6 0.05 33 265 10523 -39.7 -52.7 24 13.0 -40.5 224 50 341.3 341.3 294.7 341.8 0.11 34 250 10920 -41.7 -61.7 10 20.0 -42.5 240 46 344.1 344.1 295.3 344.2 0.04 35 248 10974 -42.1 -62.1 10 20.0 -42.9 240 46 344.3 344.3 295.4 344.4 0.04 36 236 11307 -44.1 -62.1 12 18.0 -44.8 240 48 346.2 346.2 295.8 346.3 0.04 37 223 11685 -45.3 -66.3 8 21.0 -46.0 239 50 350.0 350.0 296.7 350.1 0.02 38 200 12400 -51.3 -70.3 9 19.0 -51.7 235 60 351.5 351.5 297.0 351.6 0.01 39 197 12498 -51.9 -70.9 8 19.0 -52.2 240 60 352.1 352.1 297.1 352.2 0.01 40 195 12565 -51.9 -70.9 8 19.0 -52.3 239 61 353.1 353.1 297.3 353.2 0.01 41 191 12699 -51.9 -71.9 7 20.0 -52.3 237 62 355.2 355.2 297.7 355.3 0.01 42 182 13011 -54.5 -73.5 8 19.0 -54.8 231 66 355.9 355.9 297.9 356.0 0.01 43 180 13082 -55.0 -73.8 8 18.9 -55.2 230 67 356.3 356.3 298.0 356.3 0.01 44 155 14027 -61.3 -78.3 9 17.0 -61.4 237 48 361.1 361.1 298.9 361.1 0.01 45 150 14230 -62.7 -79.7 8 17.0 -62.9 240 42 362.1 362.1 299.1 362.1 0.00 46 121 15515 -74.3 -86.3 14 12.0 -74.3 250 37 363.8 363.8 299.4 363.8 0.00 47 100 16600 -82.3 -90.3 24 8.0 -82.3 205 31 368.7 368.7 300.4 368.7 0.00 48 96 16827 -83.7 -91.7 23 8.0 -83.7 190 33 370.3 370.3 300.6 370.3 0.00 49 89 17249 -81.5 -89.5 24 8.0 -81.5 170 40 382.8 382.8 302.7 382.8 0.00 50 80 17852 -78.1 -87.1 22 9.0 -78.1 187 26 401.7 401.7 305.5 401.7 0.00 51 73 18372 -80.1 -89.1 21 9.0 -80.1 320 14 408.1 408.1 306.3 408.1 0.00 52 73 18372 -79.9 -88.9 21 9.0 -79.9 320 14 408.5 408.5 306.3 408.5 0.00 53 70 18610 -79.3 -90.3 15 11.0 -79.3 320 13 414.7 414.7 307.1 414.7 0.00 54 69 18691 -79.3 -90.3 15 11.0 -79.3 320 13 416.4 416.4 307.3 416.4 0.00 55 63 19208 -77.3 -93.3 6 16.0 -77.3 297 13 431.8 431.8 309.0 431.8 0.00 56 52 20320 -71.5 -88.5 6 17.0 -71.6 189 16 469.7 469.7 312.6 469.7 0.00 57 51 20434 -71.9 -89.9 5 18.0 -72.0 164 20 471.4 471.4 312.7 471.4 0.00 58 50 20550 -71.7 -89.7 5 18.0 -71.8 160 16 474.5 474.5 313.0 474.5 0.00 59 43 21453 -65.9 -86.9 4 21.0 -66.2 108 16 509.7 509.7 315.6 509.7 0.00 60 41 21742 -66.3 -87.3 4 21.0 -66.6 106 21 515.7 515.7 316.0 515.7 0.00 61 33 23071 -61.9 -86.9 2 25.0 -62.6 129 25 560.4 560.4 318.6 560.4 0.01 62 31 23457 -62.5 -87.5 2 25.0 -63.1 110 17 568.9 568.9 319.1 568.9 0.01 63 30 23660 -60.9 -86.9 2 26.0 -61.7 100 14 578.6 578.6 319.6 578.7 0.01 64 26 24554 -58.9 -86.9 2 28.0 -60.1 88 20 608.5 608.5 321.0 608.5 0.01 65 26 24554 -58.9 -86.9 2 28.0 -60.1 88 20 608.5 608.5 321.0 608.5 0.01 66 25 24800 -59.1 -84.1 3 25.0 -60.3 90 20 614.8 614.8 321.3 614.9 0.01 TRP 96 16827 -83.7 -91.7 23 8.0 -83.7 190 33 370.3 370.3 300.6 370.3 0.00 WND 180 13082 -55.0 -73.8 8 18.9 -55.2 230 67 356.3 356.3 298.0 356.3 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 572.00 mb = 4809.99 m = 15780.62 ft Wetbulb zero: 669.40 mb = 3527.96 m = 11574.54 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 54.40 % Est. max temperature: 31.26 C = 88.27 F Sfc-Lift cond lev (LCL): 945.06 mb = 611.73 m = 2006.95 ft T: 21.96 C 700-500 lapse rate: 5.11 C/km ThetaE index: 18.41 C Layer 887.0- 732.0 mb Conv cond level (CCL): 917.44 mb = 870.80 m = 2856.93 ft Mean mixing ratio: 15.94 g/kg Conv temperature: 28.14 C = 82.65 F Cap Strength: 0.63 C Lifted Index: -1.10 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.03 C Lifted Index @700 mb: -1.03 C Showalter Index: 2.24 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.80 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.00 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 709.30 J/kg Max Up Vert Vel: 37.66 m/s Conv Inhibition (B-): 0.31 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 921.72 mb = 830.60 m = 2725.02 ft Lev Free Conv (LFC): 906.72 mb = 972.10 m = 3189.28 ft Equ Level (EL): 866.72 mb = 1359.16 m = 4459.13 ft B at Equ Level: 6.39 J/kg Max Parcel Lev (MPL): 146.72 mb = 14362.01 m = 47118.88 ft Wind level data Storm motion: 78 at 7 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 1013 2 50 8 -6.1 -5.1 | 356 4 0.3 -3.7 1 1000 116 35 17 -9.8 -13.9 | 15 13 -3.3 -12.5 2 979 305 35 17 -9.8 -13.9 | 15 13 -3.3 -12.5 3 945 610 35 17 -9.8 -13.9 | 15 13 -3.3 -12.5 4 925 800 45 17 -12.0 -12.0 | 28 12 -5.6 -10.6 5 913 914 50 17 -13.0 -10.9 | 35 12 -6.6 -9.5 6 881 1219 60 13 -11.3 -6.5 | 44 7 -4.9 -5.1 7 850 1524 50 12 -9.2 -7.7 | 24 7 -2.8 -6.3 8 850 1526 50 13 -10.0 -8.4 | 27 8 -3.6 -7.0 9 820 1829 55 15 -12.3 -8.6 | 39 9 -5.9 -7.2 10 791 2134 40 14 -9.0 -10.7 | 16 10 -2.6 -9.3 11 763 2438 40 9 -5.8 -6.9 | 354 6 0.6 -5.5 12 735 2743 70 9 -8.5 -3.1 | 51 3 -2.0 -1.7 13 709 3048 135 4 -2.8 2.8 | 220 6 3.6 4.2 14 700 3159 145 3 -1.7 2.5 | 231 6 4.7 3.9 15 683 3353 65 5 -4.5 -2.1 | 291 2 1.9 -0.7 16 658 3658 85 2 -2.0 -0.2 | 255 5 4.4 1.2 17 634 3962 70 1 -0.9 -0.3 | 259 6 5.5 1.1 18 610 4267 95 2 -2.0 0.2 | 250 5 4.4 1.6 19 588 4572 285 7 6.8 -1.8 | 272 13 13.2 -0.4 20 566 4877 265 6 6.0 0.5 | 261 13 12.4 1.9 21 545 5182 305 3 2.5 -1.7 | 272 9 8.9 -0.3 22 506 5791 190 7 1.2 6.9 | 223 11 7.6 8.3 23 500 5880 200 11 3.8 10.3 | 221 16 10.2 11.7 24 486 6096 210 9 4.5 7.8 | 230 14 10.9 9.2 25 467 6401 250 9 8.5 3.1 | 253 16 14.9 4.5 26 414 7315 265 22 21.9 1.9 | 263 29 28.3 3.3 27 400 7580 250 23 21.6 7.9 | 252 30 28.0 9.3 28 398 7620 255 22 21.3 5.7 | 256 29 27.7 7.1 29 322 9144 215 50 28.7 41.0 | 220 55 35.1 42.4 30 300 9660 220 47 30.2 36.0 | 224 52 36.6 37.4 31 283 10058 220 52 33.4 39.8 | 224 57 39.8 41.2 32 259 10668 225 50 35.4 35.4 | 229 56 41.8 36.8 33 250 10920 240 46 39.8 23.0 | 242 52 46.2 24.4 34 226 11582 240 49 42.4 24.5 | 242 55 48.8 25.9 35 200 12400 235 60 49.1 34.4 | 237 66 55.6 35.8 36 197 12497 240 60 52.0 30.0 | 242 66 58.4 31.4 37 180 13082 230 67 51.3 43.1 | 232 73 57.7 44.5 38 171 13411 230 67 51.3 43.1 | 232 73 57.7 44.5 39 150 14230 240 42 36.4 21.0 | 242 48 42.8 22.4 40 148 14326 240 41 35.5 20.5 | 242 47 41.9 21.9 41 126 15240 250 38 35.7 13.0 | 251 45 42.1 14.4 42 108 16154 250 35 32.9 12.0 | 251 42 39.3 13.4 43 100 16600 205 31 13.1 28.1 | 213 35 19.5 29.5 44 97 16764 210 31 15.5 26.8 | 218 36 21.9 28.2 45 96 16827 190 33 5.7 32.5 | 200 36 12.1 33.9 46 87 17374 165 42 -10.9 40.6 | 174 42 -4.5 42.0 47 83 17678 190 27 4.7 26.6 | 202 30 11.1 28.0 48 78 17983 185 25 2.2 24.9 | 198 28 8.6 26.3 49 74 18288 305 17 13.9 -9.8 | 292 22 20.3 -8.4 50 70 18593 360 8 -0.0 -8.0 | 316 9 6.4 -6.6 51 70 18610 320 13 8.4 -10.0 | 300 17 14.8 -8.6 52 67 18898 320 13 8.4 -10.0 | 300 17 14.8 -8.6 53 63 19202 295 13 11.8 -5.5 | 283 19 18.2 -4.1 54 60 19507 345 7 1.8 -6.8 | 303 10 8.2 -5.4 55 57 19812 335 11 4.6 -10.0 | 308 14 11.1 -8.6 56 54 20117 240 5 4.3 2.5 | 250 11 10.7 3.9 57 51 20422 165 21 -5.4 20.3 | 183 22 1.0 21.7 58 50 20550 160 16 -5.5 15.0 | 183 16 0.9 16.4 59 49 20726 160 19 -6.5 17.9 | 180 19 -0.1 19.2 60 46 21031 95 16 -15.9 1.4 | 106 10 -9.5 2.8 61 44 21336 115 14 -12.7 5.9 | 139 10 -6.3 7.3 62 42 21641 100 18 -17.7 3.1 | 112 12 -11.3 4.5 63 40 21946 115 25 -22.7 10.6 | 126 20 -16.2 12.0 64 38 22250 115 22 -19.9 9.3 | 128 17 -13.5 10.7 65 36 22555 105 24 -23.2 6.2 | 114 18 -16.8 7.6 66 34 22860 140 33 -21.2 25.3 | 151 31 -14.8 26.7 67 33 23165 125 22 -18.0 12.6 | 140 18 -11.6 14.0 68 30 23660 100 14 -13.8 2.4 | 117 8 -7.4 3.8 69 29 23774 135 16 -11.3 11.3 | 159 14 -4.9 12.7 70 27 24079 85 18 -17.9 -1.6 | 89 12 -11.5 -0.2 71 25 24384 90 21 -21.0 0.0 | 95 15 -14.6 1.4 72 24 24689 90 17 -17.0 0.0 | 98 11 -10.6 1.4 73 22 24994 80 19 -18.7 -3.3 | 81 12 -12.3 -1.9 Wind Parameters Mean winds (0-6000m): 47.7 at 8.7 knts Storm direction: 77.7 at 6.6 knts Shear (0-3000m) pos: 2.3 neg: 1.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): -144.3 deg Storm rel helicity (0-3000m) pos: 32.0 neg: -18.2 tot: 13.8 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 2.1 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 92.01 Bulk Shear: 7.71 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 36 16 14 12| 0.0 9.8 9.8| 3.9 -0.3 3.6 7.2 0.27| 9.9 2.6 1000 39 16 20 12| 2.7 4.9 7.6| 19.0 -0.3 18.7 18.7 0.47| 7.9 3.7 1500 44 15 24 11| 1.8 2.4 4.1| 21.0 -4.4 16.7 11.1 0.29| 7.1 2.1 2000 46 15 26 10| 1.3 2.4 3.7| 25.1 -9.5 15.6 7.8 0.22| 6.7 1.5 2500 45 14 24 10| 1.1 1.2 2.3| 25.6 -18.2 7.3 2.9 0.06| 6.8 0.4 3000 48 13 24 8| 2.3 1.0 3.3| 32.0 -18.2 13.8 4.6 0.27| 7.7 2.1 4000 50 11 18 6| 1.7 1.3 3.0| 35.8 -19.1 16.8 4.2 0.27| 7.1 1.9 5000 46 9 4 5| 1.4 1.5 2.8| 43.2 -39.3 3.8 0.8 0.17| 7.6 1.3 6000 48 9 1 4| 1.1 0.9 2.1| 49.4 -68.6 -19.2 -3.2 0.05| 7.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//SKSP/skewt/SKSP.skewt.20251231.00.gif