UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 13 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 78 SFC 970 344 24.0 22.1 89 1.9 22.6 330 5 299.7 302.9 296.8 351.0 17.52 2 925 761 20.8 20.5 98 0.3 20.6 45 14 300.6 303.6 296.5 349.4 16.63 3 883 1163 18.8 18.8 100 0.0 18.8 61 19 302.5 305.4 296.4 348.8 15.65 4 850 1491 17.8 16.0 89 1.8 16.6 70 25 304.8 307.3 295.6 345.3 13.58 5 844 1552 17.6 15.7 89 1.9 16.3 69 26 305.2 307.7 295.6 345.3 13.41 6 839 1603 18.2 14.4 78 3.8 15.7 68 26 306.4 308.7 295.2 343.6 12.39 7 821 1789 18.2 13.2 73 5.0 14.8 64 26 308.3 310.5 295.2 343.7 11.70 8 700 3139 10.8 6.0 72 4.8 7.9 65 29 314.4 316.1 294.5 340.7 8.41 9 681 3368 9.6 5.2 74 4.4 6.9 65 30 315.6 317.2 294.6 341.2 8.18 10 593 4501 1.4 1.3 99 0.1 1.3 72 22 318.8 320.2 294.7 341.5 7.11 11 500 5860 -4.9 -6.2 91 1.3 -5.5 90 10 327.1 328.0 295.1 343.1 4.82 12 417 7272 -12.3 -13.8 89 1.5 -12.9 337 6 335.0 335.6 295.7 346.0 3.16 13 400 7590 -14.5 -17.3 79 2.8 -15.5 320 12 336.1 336.6 295.5 344.8 2.46 14 387 7840 -16.1 -19.9 72 3.8 -17.4 315 13 337.2 337.7 295.4 344.5 2.04 15 366 8258 -19.5 -21.2 86 1.7 -20.0 335 15 338.1 338.5 295.5 345.1 1.92 16 310 9474 -27.1 -30.2 75 3.1 -27.8 141 12 343.9 344.2 296.1 347.7 1.00 17 300 9710 -28.9 -32.0 75 3.1 -29.5 160 11 344.6 344.8 296.2 348.0 0.87 18 250 10980 -39.3 -42.8 69 3.5 -39.6 240 10 347.6 347.7 296.4 349.0 0.35 19 233 11459 -43.7 -48.7 58 5.0 -44.0 256 12 348.0 348.1 296.4 348.8 0.20 20 214 12027 -48.5 -53.1 59 4.6 -48.7 261 17 349.1 349.2 296.5 349.7 0.13 21 202 12405 -51.1 -65.1 17 14.0 -51.5 271 24 350.8 350.9 296.8 351.0 0.03 22 200 12470 -51.7 -63.7 22 12.0 -52.0 275 26 350.9 350.9 296.8 351.1 0.04 23 197 12568 -52.7 -60.7 37 8.0 -52.9 278 27 350.8 350.8 296.8 351.1 0.05 24 196 12601 -52.9 -73.9 6 21.0 -53.2 279 27 351.0 351.0 296.8 351.1 0.01 25 154 14120 -64.9 -69.9 50 5.0 -65.0 233 33 355.6 355.6 297.8 355.7 0.02 26 150 14280 -66.3 -74.3 32 8.0 -66.4 220 35 355.9 355.9 297.9 355.9 0.01 27 136 14866 -71.3 -78.3 35 7.0 -71.3 216 36 357.1 357.1 298.1 357.2 0.01 28 122 15500 -75.7 -84.7 23 9.0 -75.7 221 33 360.4 360.4 298.8 360.4 0.00 29 100 16630 -82.1 -89.1 29 7.0 -82.1 265 16 369.1 369.1 300.4 369.1 0.00 30 76 18130 -89.1 -93.2 46 4.1 -89.1 196 5 384.6 384.6 303.0 384.6 0.00 31 71 18501 -82.7 -88.7 35 6.0 -82.7 144 9 405.8 405.8 306.0 405.8 0.00 32 70 18580 -82.5 -88.5 35 6.0 -82.5 140 9 407.9 407.9 306.2 407.9 0.00 33 66 18910 -80.9 -87.9 30 7.0 -80.9 142 12 418.3 418.3 307.5 418.3 0.00 34 65 18996 -81.5 -88.5 29 7.0 -81.5 144 13 418.8 418.8 307.6 418.8 0.00 35 63 19172 -80.9 -89.9 21 9.0 -80.9 155 16 423.9 423.9 308.2 423.9 0.00 36 60 19453 -71.9 -84.9 13 13.0 -72.0 171 15 450.0 450.0 310.8 450.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 572.33 mb = 4802.67 m = 15756.60 ft Wetbulb zero: 574.92 mb = 4747.27 m = 15574.83 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 86.25 % Est. max temperature: 32.48 C = 90.46 F Sfc-Lift cond lev (LCL): 943.83 mb = 584.05 m = 1916.16 ft T: 22.16 C 700-500 lapse rate: 5.77 C/km ThetaE index: 7.45 C Layer 925.0- 821.0 mb Conv cond level (CCL): 908.92 mb = 912.75 m = 2994.55 ft Mean mixing ratio: 16.43 g/kg Conv temperature: 25.55 C = 77.99 F Cap Strength: 1.83 C Lifted Index: -1.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.27 C Lifted Index @700 mb: 0.35 C Showalter Index: -0.23 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.90 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 252.00 Risk: None Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 351.41 J/kg Max Up Vert Vel: 26.51 m/s Conv Inhibition (B-): 0.06 J/kg Cap Strength: 1.83 C Lift Cond Lev (LCL): 911.54 mb = 887.82 m = 2912.77 ft Lev Free Conv (LFC): 896.54 mb = 1031.41 m = 3383.86 ft Equ Level (EL): 856.54 mb = 1424.99 m = 4675.09 ft B at Equ Level: 15.30 J/kg Max Parcel Lev (MPL): 816.54 mb = 1834.82 m = 6019.68 ft Wind level data Storm motion: 96 at 15 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 ---------------------------------------------------------- 0 970 344 330 5 2.5 -4.3 | 289 19 17.6 -6.0 1 941 610 40 12 -7.7 -9.2 | 326 13 7.4 -10.8 2 925 761 45 14 -9.9 -9.9 | 336 13 5.2 -11.5 3 909 914 55 15 -12.3 -8.6 | 345 11 2.8 -10.2 4 850 1491 70 25 -23.5 -8.6 | 39 13 -8.4 -10.2 5 847 1524 70 26 -24.4 -8.9 | 42 14 -9.3 -10.5 6 788 2134 55 26 -21.3 -14.9 | 21 18 -6.2 -16.5 7 760 2438 65 26 -23.6 -11.0 | 34 15 -8.5 -12.6 8 700 3139 65 29 -26.3 -12.3 | 39 18 -11.2 -13.9 9 682 3353 65 30 -27.2 -12.7 | 40 19 -12.1 -14.3 10 657 3658 60 25 -21.7 -12.5 | 25 16 -6.5 -14.1 11 609 4267 70 25 -23.5 -8.6 | 39 13 -8.4 -10.2 12 565 4877 75 17 -16.4 -4.4 | 12 6 -1.3 -6.0 13 524 5486 75 11 -10.6 -2.8 | 315 6 4.5 -4.5 14 504 5791 80 10 -9.8 -1.7 | 303 6 5.3 -3.4 15 500 5860 90 10 -10.0 0.0 | 288 5 5.1 -1.6 16 485 6096 100 10 -9.8 1.7 | 269 5 5.3 0.1 17 448 6706 75 10 -9.7 -2.6 | 308 7 5.5 -4.2 18 431 7010 350 2 0.3 -2.0 | 283 16 15.5 -3.6 19 400 7590 320 12 7.7 -9.2 | 295 25 22.8 -10.8 20 398 7620 315 10 7.1 -7.1 | 291 24 22.2 -8.7 21 382 7925 315 14 9.9 -9.9 | 295 28 25.0 -11.5 22 367 8230 335 15 6.3 -13.6 | 305 26 21.5 -15.2 23 352 8534 340 12 4.1 -11.3 | 304 23 19.2 -12.9 24 338 8839 10 2 -0.3 -2.0 | 284 15 14.8 -3.6 25 324 9144 155 10 -4.2 9.1 | 236 13 10.9 7.4 26 311 9449 140 12 -7.7 9.2 | 224 11 7.4 7.6 27 300 9710 160 11 -3.8 10.3 | 232 14 11.4 8.7 28 250 10980 240 10 8.7 5.0 | 262 24 23.8 3.4 29 239 11278 245 12 10.9 5.1 | 262 26 26.0 3.4 30 228 11582 265 12 12.0 1.0 | 271 27 27.1 -0.6 31 209 12192 260 19 18.7 3.3 | 267 34 33.8 1.7 32 200 12470 275 26 25.9 -2.3 | 275 41 41.0 -3.9 33 190 12802 285 28 27.0 -7.2 | 282 43 42.2 -8.9 34 164 13716 265 27 26.9 2.4 | 269 42 42.0 0.7 35 150 14280 220 35 22.5 26.8 | 236 45 37.6 25.2 36 149 14326 220 32 20.6 24.5 | 237 42 35.7 22.9 37 141 14630 215 37 21.2 30.3 | 232 46 36.3 28.7 38 109 16154 225 29 20.5 20.5 | 242 40 35.6 18.9 39 103 16459 260 25 24.6 4.3 | 266 40 39.7 2.7 40 100 16630 265 16 15.9 1.4 | 270 31 31.1 -0.2 41 98 16764 265 17 16.9 1.5 | 270 32 32.0 -0.1 42 92 17069 250 11 10.3 3.8 | 265 26 25.5 2.1 43 83 17678 170 10 -1.7 9.8 | 238 16 13.4 8.2 44 78 17983 235 1 0.8 0.6 | 274 16 15.9 -1.1 45 74 18288 155 10 -4.2 9.1 | 236 13 10.9 7.4 46 70 18580 140 9 -5.8 6.9 | 241 11 9.3 5.3 47 70 18593 180 14 0.0 14.0 | 231 20 15.1 12.4 48 66 18898 140 12 -7.7 9.2 | 224 11 7.4 7.6 49 62 19202 160 17 -5.8 16.0 | 213 17 9.3 14.3 50 58 19507 180 13 0.0 13.0 | 233 19 15.1 11.4 51 55 19812 75 6 -5.8 -1.6 | 289 10 9.3 -3.2 Wind Parameters Mean winds (0-6000m): 66.1 at 20.3 knts Storm direction: 96.1 at 15.2 knts Shear (0-3000m) pos: 4.4 neg: 1.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 111.4 deg Storm rel helicity (0-3000m) pos: 119.0 neg: -22.8 tot: 96.2 m^2/s^2 ave: 32.1 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.5 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 17.77 Bulk Shear: 19.77 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 11 320 14| 15.0 0.0 15.0| 58.2 0.0 58.2 116.3 0.87| 16.6 14.4 1000 52 15 341 11| 12.1 0.0 12.1| 84.4 0.0 84.4 84.4 0.90| 13.2 11.8 1500 59 18 3 11| 8.1 1.4 9.4| 94.8 -11.4 83.4 55.6 0.71| 11.3 8.0 2000 59 20 10 12| 6.0 1.0 7.1|105.8 -22.8 83.1 41.5 0.59| 10.0 5.9 2500 61 21 16 13| 5.3 0.8 6.1|114.3 -22.8 91.6 36.6 0.60| 8.6 5.2 3000 62 23 21 13| 4.4 1.0 5.4|119.0 -22.8 96.2 32.1 0.59| 7.6 4.5 4000 62 24 25 14| 3.3 0.4 3.7|131.5 -42.9 88.6 22.1 0.46| 7.0 3.2 5000 64 22 24 12| 1.6 0.3 1.9|131.5 -58.0 73.5 14.7 0.25| 6.8 1.7 6000 66 20 19 10| 1.3 0.2 1.5|133.5 -66.4 67.1 11.2 0.17| 6.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251213.00.gif