UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122400.upa.cvt Date: 0000Z 24 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 24 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 77 SFC 970 344 24.4 21.9 86 2.5 22.6 310 4 300.2 303.3 296.8 350.9 17.30 2 955 481 24.6 21.6 83 3.0 22.5 359 7 301.7 304.9 297.2 352.6 17.25 3 925 762 23.4 20.3 83 3.1 21.2 50 11 303.2 306.3 297.1 352.0 16.42 4 850 1498 18.8 15.1 79 3.7 16.3 80 13 305.8 308.2 295.3 344.2 12.80 5 781 2221 14.6 12.7 88 1.9 13.3 54 16 308.8 311.1 295.5 345.0 11.90 6 732 2769 12.6 3.6 54 9.0 7.4 54 19 312.4 313.7 292.7 333.5 6.78 7 728 2815 12.2 5.2 62 7.0 8.0 53 18 312.5 313.9 293.4 336.2 7.64 8 708 3048 9.8 8.9 94 0.9 9.2 45 15 312.3 314.3 295.2 343.7 10.17 9 700 3143 9.8 7.1 83 2.7 8.2 40 15 313.3 315.1 294.7 341.5 9.08 10 643 3845 7.4 0.4 61 7.0 3.5 10 11 318.3 319.5 293.8 337.9 6.14 11 630 4013 6.4 0.4 65 6.0 3.1 14 10 319.0 320.3 294.1 339.1 6.27 12 617 4184 5.0 2.1 81 2.9 3.4 33 6 319.3 320.8 294.9 342.5 7.24 13 588 4575 3.0 -4.0 60 7.0 -0.6 31 3 321.4 322.4 293.6 337.2 4.84 14 540 5260 -1.3 -4.3 80 3.0 -2.8 341 1 324.2 325.3 294.6 341.2 5.16 15 526 5469 -2.1 -9.1 59 7.0 -5.3 280 5 325.7 326.4 293.8 337.9 3.65 16 501 5854 -4.7 -7.3 82 2.6 -6.0 201 13 327.1 328.0 294.8 341.9 4.42 17 500 5870 -4.7 -7.4 81 2.7 -6.0 205 14 327.3 328.2 294.8 342.0 4.39 18 459 6537 -9.5 -13.3 74 3.8 -11.0 234 15 329.4 330.0 294.2 339.6 2.99 19 449 6707 -10.1 -24.1 31 14.0 -14.2 247 13 330.7 331.0 293.1 335.1 1.21 20 434 6968 -11.1 -47.1 3 36.0 -17.0 266 10 332.7 332.7 292.6 333.2 0.13 21 425 7129 -11.7 -47.7 3 36.0 -17.4 268 11 333.9 334.0 292.9 334.4 0.12 22 400 7590 -15.3 -43.3 7 28.0 -20.0 260 17 335.1 335.1 293.3 335.9 0.21 23 385 7879 -17.1 -37.1 16 20.0 -20.9 256 20 336.4 336.5 293.8 338.0 0.41 24 367 8237 -19.7 -26.7 54 7.0 -21.5 270 25 337.6 337.8 294.8 341.9 1.17 25 355 8484 -20.5 -51.5 4 31.0 -24.2 275 28 339.7 339.8 294.3 340.1 0.09 26 318 9291 -26.5 -60.5 3 34.0 -29.2 291 33 342.3 342.3 294.9 342.4 0.03 27 300 9710 -30.1 -60.1 4 30.0 -32.3 295 25 343.0 343.0 295.1 343.1 0.04 28 285 10073 -33.1 -59.1 6 26.0 -34.8 294 23 343.7 343.7 295.3 343.9 0.05 29 250 10980 -41.1 -47.1 52 6.0 -41.6 235 29 345.0 345.0 295.7 345.9 0.22 30 242 11199 -42.9 -47.8 59 4.9 -43.2 228 32 345.5 345.5 295.8 346.3 0.21 31 221 11802 -47.5 -57.5 31 10.0 -47.9 214 39 347.5 347.5 296.1 347.8 0.07 32 200 12450 -53.5 -57.7 60 4.2 -53.7 210 44 348.0 348.1 296.3 348.4 0.08 33 193 12678 -55.7 -58.1 74 2.4 -55.8 210 46 348.1 348.1 296.3 348.4 0.08 34 169 13512 -62.9 -66.0 66 3.1 -63.0 210 51 349.6 349.6 296.5 349.7 0.03 35 168 13548 -63.1 -67.3 57 4.2 -63.1 210 52 349.9 349.9 296.6 350.0 0.03 36 166 13622 -62.9 -72.9 25 10.0 -63.0 210 52 351.4 351.4 297.0 351.4 0.01 37 150 14240 -67.7 -73.7 42 6.0 -67.7 195 53 353.5 353.5 297.4 353.5 0.01 38 120 15555 -75.7 -80.6 46 4.9 -75.7 190 33 362.1 362.1 299.1 362.1 0.01 39 100 16590 -82.7 -87.7 42 5.0 -82.7 305 31 367.9 367.9 300.2 368.0 0.00 40 92 17053 -84.9 -89.9 40 5.0 -84.9 285 20 372.5 372.5 301.0 372.5 0.00 41 85 17489 -84.7 -90.7 34 6.0 -84.7 301 17 381.4 381.4 302.5 381.4 0.00 42 74 18271 -76.3 -89.3 11 13.0 -76.3 176 26 414.5 414.5 307.0 414.5 0.00 43 70 18590 -78.5 -89.5 15 11.0 -78.6 260 16 416.4 416.4 307.3 416.5 0.00 44 65 19011 -80.9 -89.9 21 9.0 -80.9 266 18 420.1 420.1 307.7 420.1 0.00 45 51 20404 -73.5 -90.5 6 17.0 -73.6 141 19 467.6 467.6 312.4 467.6 0.00 46 50 20520 -74.7 -90.7 7 16.0 -74.8 140 26 467.5 467.5 312.4 467.5 0.00 47 46 21005 -75.9 -90.9 8 15.0 -76.0 140 26 475.8 475.8 313.1 475.9 0.00 48 30 23560 -63.1 -91.1 1 28.0 -63.7 90 73 572.6 572.6 319.3 572.6 0.00 49 26 24457 -55.3 -88.3 1 33.0 -57.1 90 82 618.7 618.7 321.5 618.7 0.01 50 25 24708 -53.9 -87.6 1 33.7 -55.9 90 85 629.7 629.7 321.9 629.8 0.01 51 22 25537 -49.3 -85.3 1 36.0 -52.8 88 84 666.8 666.8 323.3 666.9 0.01 TRP 92 17053 -84.9 -89.9 40 5.0 -84.9 285 20 372.5 372.5 301.0 372.5 0.00 WND 25 24708 -53.9 -87.6 1 33.7 -55.9 90 85 629.7 629.7 321.9 629.8 0.01 Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 554.51 mb = 5052.80 m = 16577.22 ft Wetbulb zero: 592.18 mb = 4517.57 m = 14821.23 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 75.08 % Est. max temperature: 31.30 C = 88.34 F Sfc-Lift cond lev (LCL): 935.61 mb = 661.69 m = 2170.86 ft T: 23.83 C 700-500 lapse rate: 5.32 C/km ThetaE index: 11.42 C Layer 732.0- 728.0 mb Conv cond level (CCL): 841.51 mb = 1583.78 m = 5196.07 ft Mean mixing ratio: 15.91 g/kg Conv temperature: 30.39 C = 86.70 F Cap Strength: 1.57 C Lifted Index: -1.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.97 C Lifted Index @700 mb: -0.91 C Showalter Index: 0.38 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.80 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 221.20 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 678.68 J/kg Max Up Vert Vel: 36.84 m/s Conv Inhibition (B-): 33.73 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 878.26 mb = 1213.31 m = 3980.62 ft Lev Free Conv (LFC): 783.26 mb = 2196.73 m = 7207.04 ft Equ Level (EL): 753.26 mb = 2527.02 m = 8290.66 ft B at Equ Level: 18.05 J/kg Max Parcel Lev (MPL): 103.26 mb = 16407.87 m = 53830.94 ft Wind level data Storm motion: 86 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 ---------------------------------------------------------- 0 970 344 310 4 3.1 -2.6 | 280 11 11.0 -2.0 1 941 610 45 10 -7.1 -7.1 | 352 7 0.9 -6.5 2 925 762 50 11 -8.4 -7.1 | 4 7 -0.5 -6.5 3 909 914 60 12 -10.4 -6.0 | 24 6 -2.4 -5.5 4 878 1219 85 14 -13.9 -1.2 | 83 6 -6.0 -0.7 5 850 1498 80 13 -12.8 -2.3 | 70 5 -4.9 -1.7 6 817 1829 55 14 -11.5 -8.0 | 25 8 -3.5 -7.5 7 789 2134 55 15 -12.3 -8.6 | 28 9 -4.3 -8.1 8 761 2438 50 17 -13.0 -10.9 | 26 12 -5.1 -10.4 9 734 2743 55 19 -15.6 -10.9 | 36 13 -7.6 -10.4 10 708 3048 45 15 -10.6 -10.6 | 15 10 -2.7 -10.1 11 700 3143 40 15 -9.6 -11.5 | 9 11 -1.7 -11.0 12 657 3658 10 11 -1.9 -10.8 | 330 12 6.0 -10.3 13 633 3962 10 11 -1.9 -10.8 | 330 12 6.0 -10.3 14 609 4267 45 4 -2.8 -2.8 | 294 6 5.1 -2.3 15 544 5182 0 0 -0.0 -0.0 | 266 8 8.0 0.5 16 505 5791 185 10 0.9 10.0 | 220 14 8.8 10.5 17 500 5870 205 14 5.9 12.7 | 226 19 13.9 13.2 18 486 6096 205 15 6.3 13.6 | 225 20 14.3 14.1 19 467 6401 225 16 11.3 11.3 | 238 23 19.3 11.8 20 431 7010 270 10 10.0 -0.0 | 268 18 18.0 0.5 21 400 7590 260 17 16.7 3.0 | 262 25 24.7 3.5 22 382 7925 255 20 19.3 5.2 | 258 28 27.3 5.7 23 367 8230 270 25 25.0 -0.0 | 269 33 33.0 0.5 24 324 9144 290 35 32.9 -12.0 | 286 42 40.8 -11.4 25 300 9710 295 25 22.7 -10.6 | 288 32 30.6 -10.0 26 298 9754 305 26 21.3 -14.9 | 296 33 29.2 -14.4 27 285 10058 295 23 20.8 -9.7 | 288 30 28.8 -9.2 28 261 10668 250 25 23.5 8.6 | 254 33 31.4 9.1 29 250 10980 235 29 23.8 16.6 | 242 36 31.7 17.2 30 228 11582 215 37 21.2 30.3 | 223 42 29.2 30.8 31 200 12450 210 44 22.0 38.1 | 218 49 30.0 38.6 32 163 13716 210 53 26.5 45.9 | 217 58 34.5 46.4 33 150 14240 195 53 13.7 51.2 | 203 56 21.7 51.7 34 140 14630 190 54 9.4 53.2 | 198 56 17.3 53.7 35 120 15545 190 33 5.7 32.5 | 202 36 13.7 33.0 36 114 15850 265 20 19.9 1.7 | 265 28 27.9 2.3 37 102 16459 270 31 31.0 -0.0 | 269 39 39.0 0.5 38 100 16590 305 31 25.4 -17.8 | 297 38 33.3 -17.3 39 97 16764 305 31 25.4 -17.8 | 297 38 33.3 -17.3 40 92 17053 285 20 19.3 -5.2 | 280 28 27.3 -4.6 41 87 17374 285 17 16.4 -4.4 | 279 25 24.4 -3.9 42 82 17678 325 18 10.3 -14.7 | 308 23 18.3 -14.2 43 78 17983 205 12 5.1 10.9 | 229 17 13.0 11.4 44 74 18288 175 27 -2.4 26.9 | 192 28 5.6 27.4 45 70 18590 260 16 15.8 2.8 | 262 24 23.7 3.3 46 70 18593 290 18 16.9 -6.2 | 283 25 24.9 -5.6 47 66 18898 260 16 15.8 2.8 | 262 24 23.7 3.3 48 63 19202 275 21 20.9 -1.8 | 273 29 28.9 -1.3 49 57 19812 250 25 23.5 8.6 | 254 33 31.4 9.1 50 54 20117 250 13 12.2 4.4 | 256 21 20.2 5.0 51 51 20422 135 19 -13.4 13.4 | 159 15 -5.5 14.0 52 50 20520 140 26 -16.7 19.9 | 157 22 -8.8 20.4 53 46 21031 140 26 -16.7 19.9 | 157 22 -8.8 20.4 54 41 21641 95 41 -40.8 3.6 | 97 33 -32.9 4.1 55 37 22250 90 52 -52.0 0.0 | 91 44 -44.0 0.5 56 30 23560 90 73 -73.0 0.0 | 90 65 -65.0 0.5 57 25 24708 90 85 -85.0 0.0 | 90 77 -77.0 0.5 58 23 24994 90 85 -85.0 0.0 | 90 77 -77.0 0.5 59 18 25908 80 79 -77.8 -13.7 | 79 71 -69.8 -13.2 Wind Parameters Mean winds (0-6000m): 56.2 at 10.6 knts Storm direction: 86.2 at 8.0 knts Shear (0-3000m) pos: 3.0 neg: 2.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 71.5 deg Storm rel helicity (0-3000m) pos: 51.8 neg: -37.6 tot: 14.2 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.5 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 474.96 Bulk Shear: 1.43 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 40 9 340 7| 13.6 0.0 13.6| 33.5 0.0 33.5 66.9 0.93| 16.0 14.8 1000 62 11 19 5| 8.5 0.0 8.5| 43.8 -0.7 43.2 43.2 0.90| 11.9 10.7 1500 65 12 32 5| 5.7 2.3 7.9| 43.8 -10.4 33.5 22.3 0.50| 10.2 5.2 2000 62 13 30 6| 4.3 2.2 6.4| 44.9 -11.0 33.8 16.9 0.47| 8.3 3.9 2500 59 14 30 7| 3.6 1.7 5.4| 51.8 -16.1 35.7 14.3 0.42| 7.7 3.3 3000 56 14 26 8| 3.0 2.1 5.1| 51.8 -37.6 14.2 4.7 0.19| 7.8 1.5 4000 49 13 12 8| 2.5 1.9 4.5| 51.8 -59.6 -7.8 -2.0 -0.01| 7.5 -0.1 5000 48 11 359 7| 2.0 1.9 3.9| 55.2 -65.5 -10.3 -2.1 -0.03| 6.7 -0.2 6000 56 11 9 5| 1.2 1.7 2.9| 80.5-114.6 -34.1 -5.7 -0.12| 7.7 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251224.00.gif