UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 20 DEC 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 90 SFC 971 344 24.4 22.5 89 1.9 23.0 320 3 300.1 303.3 297.2 352.7 17.95 2 925 774 22.2 19.8 86 2.4 20.5 20 20 302.0 304.9 296.4 349.0 15.91 3 850 1508 18.2 16.3 89 1.9 16.9 50 17 305.2 307.8 295.9 346.6 13.85 4 764 2415 12.8 12.1 96 0.7 12.3 74 17 308.8 311.0 295.4 344.4 11.70 5 731 2786 11.0 10.9 99 0.1 10.9 85 15 310.8 312.9 295.6 345.3 11.28 6 700 3148 10.0 8.9 93 1.1 9.3 95 13 313.6 315.5 295.6 345.4 10.29 7 660 3635 8.0 6.1 88 1.9 6.8 86 15 316.6 318.4 295.5 344.9 8.99 8 614 4229 5.4 -4.6 48 10.0 0.4 58 15 320.2 321.1 293.0 334.7 4.43 9 606 4336 5.4 -19.6 14 25.0 -3.7 55 15 321.5 321.7 290.6 326.0 1.33 10 586 4609 3.4 -20.6 15 24.0 -5.0 58 13 322.2 322.5 290.7 326.6 1.27 11 570 4833 1.2 -6.8 55 8.0 -2.6 60 11 322.2 323.0 293.2 335.5 4.03 12 549 5135 0.8 -15.2 29 16.0 -5.5 112 13 325.2 325.6 292.4 332.5 2.14 13 542 5238 0.0 -6.0 64 6.0 -3.0 128 13 325.4 326.3 294.4 340.4 4.51 14 527 5463 -1.3 -6.1 70 4.8 -3.7 146 10 326.5 327.4 294.8 341.8 4.61 15 500 5880 -3.9 -11.9 54 8.0 -7.3 180 6 328.3 328.9 294.0 338.7 3.07 16 443 6827 -10.1 -13.2 78 3.1 -11.3 198 3 332.0 332.7 295.0 342.8 3.12 17 437 6932 -10.7 -15.2 69 4.5 -12.4 202 2 332.6 333.1 294.8 341.9 2.69 18 431 7038 -10.9 -23.9 33 13.0 -14.8 208 2 333.6 333.9 293.9 338.3 1.29 19 426 7128 -11.7 -20.7 47 9.0 -14.6 219 4 333.7 334.1 294.3 339.9 1.73 20 408 7459 -12.9 -39.9 8 27.0 -18.1 261 9 336.3 336.4 293.7 337.4 0.29 21 405 7515 -13.1 -33.1 17 20.0 -17.7 268 10 336.8 336.9 294.1 339.0 0.58 22 400 7610 -14.1 -29.1 27 15.0 -17.9 280 11 336.7 336.8 294.3 339.9 0.86 23 394 7725 -15.3 -24.3 46 9.0 -17.9 282 11 336.6 336.8 294.7 341.5 1.36 24 388 7840 -15.9 -33.9 20 18.0 -19.8 295 12 337.2 337.4 294.1 339.4 0.56 25 369 8217 -18.9 -46.9 7 28.0 -22.8 305 10 338.1 338.2 294.0 338.7 0.15 26 359 8421 -20.5 -46.5 8 26.0 -24.1 308 10 338.7 338.7 294.1 339.3 0.16 27 325 9152 -24.5 -49.5 8 25.0 -27.4 310 18 342.9 342.9 295.1 343.4 0.13 28 300 9730 -29.5 -50.5 11 21.0 -31.6 330 28 343.8 343.8 295.3 344.3 0.12 29 284 10118 -33.1 -51.1 15 18.0 -34.7 324 31 344.1 344.1 295.4 344.6 0.12 30 250 11000 -40.3 -48.3 42 8.0 -40.9 350 17 346.2 346.2 296.0 346.9 0.19 31 235 11418 -44.3 -47.5 70 3.2 -44.5 11 15 346.3 346.3 296.0 347.2 0.22 32 211 12132 -49.3 -53.7 60 4.4 -49.5 86 5 349.3 349.3 296.6 349.8 0.12 33 200 12480 -52.3 -56.7 59 4.4 -52.5 185 14 349.9 350.0 296.7 350.3 0.09 34 165 13693 -63.7 -70.7 38 7.0 -63.8 180 27 350.7 350.7 296.8 350.7 0.02 35 150 14270 -69.1 -74.1 48 5.0 -69.1 190 30 351.1 351.1 296.8 351.1 0.01 36 140 14677 -72.9 -77.3 51 4.4 -72.9 189 24 351.4 351.4 297.0 351.4 0.01 37 136 14846 -73.9 -79.9 39 6.0 -73.9 183 23 352.5 352.5 297.2 352.6 0.00 38 134 14932 -72.7 -79.7 34 7.0 -72.8 181 22 356.2 356.2 298.0 356.2 0.01 39 130 15109 -73.3 -82.3 24 9.0 -73.3 149 20 358.2 358.2 298.4 358.2 0.00 40 119 15619 -77.7 -82.7 44 5.0 -77.7 87 21 359.3 359.3 298.5 359.3 0.00 41 101 16545 -82.1 -89.1 29 7.0 -82.1 113 19 368.1 368.1 300.2 368.1 0.00 42 100 16600 -82.7 -89.7 29 7.0 -82.7 125 18 367.9 367.9 300.2 367.9 0.00 43 83 17627 -88.7 -93.3 41 4.6 -88.7 115 23 375.9 375.9 301.6 375.9 0.00 44 72 18426 -74.9 -88.9 10 14.0 -75.0 171 14 420.7 420.7 307.8 420.8 0.00 45 70 18590 -75.5 -89.5 9 14.0 -75.6 245 11 422.9 422.9 308.0 422.9 0.00 46 50 20550 -72.5 -90.5 5 18.0 -72.6 130 21 472.6 472.6 312.8 472.7 0.00 47 36 22522 -63.1 -90.1 1 27.0 -63.6 87 46 543.5 543.5 317.7 543.5 0.00 48 33 23055 -63.7 -90.7 1 27.0 -64.3 93 46 555.6 555.6 318.4 555.6 0.00 49 30 23640 -63.1 -90.1 1 27.0 -63.7 95 55 572.6 572.6 319.3 572.6 0.00 50 24 25013 -63.1 -90.1 1 27.0 -63.9 90 76 610.4 610.4 321.1 610.4 0.00 TRP 83 17627 -88.7 -93.3 41 4.6 -88.7 115 23 375.9 375.9 301.6 375.9 0.00 WND 24 25013 -63.1 -90.1 1 27.0 -63.9 90 76 610.4 610.4 321.1 610.4 0.00 Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 542.00 mb = 5238.10 m = 17185.16 ft Wetbulb zero: 613.27 mb = 4238.54 m = 13905.80 ft Precipitable water: 1.99 inches Sfc-500 mean rel hum: 74.38 % Est. max temperature: 30.68 C = 87.22 F Sfc-Lift cond lev (LCL): 944.84 mb = 585.96 m = 1922.43 ft T: 23.16 C 700-500 lapse rate: 5.09 C/km ThetaE index: 8.32 C Layer 925.0- 731.0 mb Conv cond level (CCL): 858.35 mb = 1423.15 m = 4669.06 ft Mean mixing ratio: 15.95 g/kg Conv temperature: 29.14 C = 84.45 F Cap Strength: 1.16 C Lifted Index: -0.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.81 C Lifted Index @700 mb: -0.42 C Showalter Index: 0.30 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.20 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 235.60 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 301.93 J/kg Max Up Vert Vel: 24.57 m/s Conv Inhibition (B-): 21.19 J/kg Cap Strength: 1.16 C Lift Cond Lev (LCL): 891.58 mb = 1093.47 m = 3587.44 ft Lev Free Conv (LFC): 806.58 mb = 1954.02 m = 6410.73 ft Equ Level (EL): 616.58 mb = 4194.35 m = 13760.84 ft B at Equ Level: 52.62 J/kg Max Parcel Lev (MPL): 116.58 mb = 15735.32 m = 51624.43 ft Wind level data Storm motion: 99 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 ---------------------------------------------------------- 0 971 344 320 3 1.9 -2.3 | 288 13 12.2 -4.0 1 942 610 20 17 -5.8 -16.0 | 346 18 4.5 -17.6 2 925 774 20 20 -6.8 -18.8 | 350 21 3.5 -20.5 3 910 914 30 19 -9.5 -16.5 | 357 18 0.8 -18.1 4 879 1219 35 21 -12.0 -17.2 | 5 19 -1.7 -18.9 5 850 1508 50 17 -13.0 -10.9 | 12 13 -2.7 -12.6 6 789 2134 65 18 -16.3 -7.6 | 33 11 -6.0 -9.3 7 761 2438 75 17 -16.4 -4.4 | 45 9 -6.1 -6.1 8 700 3148 95 13 -13.0 1.1 | 79 3 -2.6 -0.5 9 683 3353 95 12 -12.0 1.0 | 70 2 -1.7 -0.6 10 657 3658 85 15 -14.9 -1.3 | 57 6 -4.6 -3.0 11 610 4267 55 15 -12.3 -8.6 | 11 10 -2.0 -10.3 12 566 4877 60 11 -9.5 -5.5 | 354 7 0.8 -7.2 13 545 5182 125 13 -10.6 7.5 | 177 6 -0.3 5.8 14 500 5880 180 6 0.0 6.0 | 247 11 10.3 4.3 15 486 6096 170 7 -1.2 6.9 | 240 10 9.1 5.2 16 432 7010 205 2 0.8 1.8 | 269 11 11.1 0.2 17 400 7610 280 11 10.8 -1.9 | 280 21 21.1 -3.6 18 399 7620 270 10 10.0 -0.0 | 275 20 20.3 -1.7 19 383 7925 305 13 10.6 -7.5 | 294 23 20.9 -9.1 20 368 8230 305 10 8.2 -5.7 | 292 20 18.5 -7.4 21 353 8534 310 10 7.7 -6.4 | 294 20 18.0 -8.1 22 339 8839 285 18 17.4 -4.7 | 283 28 27.7 -6.3 23 325 9144 310 18 13.8 -11.6 | 299 27 24.1 -13.2 24 300 9730 330 28 14.0 -24.2 | 317 36 24.3 -25.9 25 274 10363 320 33 21.2 -25.3 | 311 41 31.5 -26.9 26 262 10668 325 24 13.8 -19.7 | 312 32 24.1 -21.3 27 250 11000 350 17 3.0 -16.7 | 324 23 13.3 -18.4 28 219 11887 35 12 -6.9 -9.8 | 343 12 3.4 -11.5 29 209 12192 100 3 -3.0 0.5 | 279 7 7.3 -1.1 30 200 12480 185 14 1.2 13.9 | 223 17 11.5 12.3 31 199 12497 175 11 -1.0 11.0 | 225 13 9.3 9.3 32 190 12802 195 16 4.1 15.5 | 226 20 14.4 13.8 33 172 13411 175 25 -2.2 24.9 | 199 25 8.1 23.2 34 150 14270 190 30 5.2 29.5 | 209 32 15.5 27.9 35 149 14326 180 36 0.0 36.0 | 197 36 10.3 34.3 36 141 14630 190 24 4.2 23.6 | 213 26 14.5 22.0 37 134 14935 180 22 0.0 22.0 | 207 23 10.3 20.3 38 127 15240 120 19 -16.5 9.5 | 142 10 -6.2 7.8 39 108 16154 35 23 -13.2 -18.8 | 8 21 -2.9 -20.5 40 100 16600 125 18 -14.7 10.3 | 153 10 -4.4 8.7 41 97 16764 125 18 -14.7 10.3 | 153 10 -4.4 8.7 42 92 17069 150 21 -10.5 18.2 | 179 17 -0.2 16.5 43 87 17374 145 17 -9.8 13.9 | 183 12 0.5 12.3 44 83 17627 115 23 -20.8 9.7 | 127 13 -10.5 8.1 45 82 17678 110 19 -17.9 6.5 | 123 9 -7.6 4.8 46 78 17983 110 33 -31.0 11.3 | 115 23 -20.7 9.6 47 74 18288 105 17 -16.4 4.4 | 114 7 -6.1 2.7 48 70 18590 245 11 10.0 4.6 | 262 20 20.3 3.0 49 70 18593 0 0 -0.0 -0.0 | 279 10 10.3 -1.7 50 66 18898 260 18 17.7 3.1 | 267 28 28.0 1.5 51 63 19202 275 10 10.0 -0.9 | 277 20 20.3 -2.5 52 60 19507 340 15 5.1 -14.1 | 316 22 15.4 -15.8 53 54 20117 35 10 -5.7 -8.2 | 335 11 4.6 -9.9 54 51 20422 160 10 -3.4 9.4 | 222 10 6.9 7.7 55 50 20550 130 21 -16.1 13.5 | 154 13 -5.8 11.8 56 44 21336 95 25 -24.9 2.2 | 92 15 -14.6 0.5 57 42 21641 105 39 -37.7 10.1 | 107 29 -27.4 8.4 58 38 22250 80 46 -45.3 -8.0 | 75 36 -35.0 -9.6 59 34 22860 95 45 -44.8 3.9 | 94 35 -34.5 2.3 60 31 23470 90 48 -48.0 0.0 | 87 38 -37.7 -1.7 61 30 23640 95 55 -54.8 4.8 | 94 45 -44.5 3.1 62 24 25013 90 76 -76.0 0.0 | 89 66 -65.7 -1.7 63 22 25298 90 76 -76.0 0.0 | 89 66 -65.7 -1.7 Wind Parameters Mean winds (0-6000m): 69.2 at 13.9 knts Storm direction: 99.2 at 10.4 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 142.2 deg Storm rel helicity (0-3000m) pos: 135.1 neg: -0.2 tot: 134.9 m^2/s^2 ave: 45.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.8 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 15.31 Bulk Shear: 19.72 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 18 14 338 16| 19.0 0.0 19.0| 85.2 0.0 85.2 170.3 0.89| 22.3 19.9 1000 27 17 351 17| 9.8 0.0 9.8|108.3 0.0 108.3 108.3 0.85| 14.7 12.4 1500 35 17 359 16| 6.2 0.0 6.2|119.2 0.0 119.2 79.5 0.79| 11.8 9.4 2000 43 17 6 14| 4.8 0.0 4.8|129.3 0.0 129.3 64.7 0.79| 10.0 7.9 2500 50 17 12 13| 3.4 0.0 3.4|133.9 0.0 133.9 53.5 0.76| 9.0 6.8 3000 56 16 17 11| 2.5 0.0 2.5|135.1 -0.2 134.9 45.0 0.72| 8.1 5.8 4000 60 16 20 10| 1.8 1.2 3.0|135.1 -13.9 121.2 30.3 0.46| 7.6 3.5 5000 63 15 21 9| 2.3 0.9 3.2|147.0 -18.7 128.4 25.7 0.48| 8.3 4.0 6000 69 14 22 7| 1.5 0.8 2.3|167.9 -20.4 147.5 24.6 0.51| 7.8 4.0 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251220.00.gif