UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:0000Z 28 APR 25 Station: SZ554 WMO ident: 83554 Latitude: -19.00 Longitude: -57.67 ------------------------------------------------------------------------------- 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 25 2 SFC 993 140 26.6 25.0 91 1.6 25.4 25 2 300.4 304.1 298.8 360.6 20.48 2 984 221 26.8 21.8 74 5.0 23.2 322 10 301.3 304.4 296.9 351.2 16.94 3 925 766 22.8 21.3 91 1.5 21.8 270 15 302.6 305.8 297.6 354.4 17.50 4 907 938 21.6 21.6 100 0.0 21.6 262 12 303.1 306.5 298.1 357.1 18.19 5 850 1502 19.2 19.2 100 0.0 19.2 280 12 306.3 309.4 298.0 356.4 16.70 6 830 1707 18.0 17.2 95 0.8 17.5 277 13 307.1 309.9 297.1 352.4 15.04 7 821 1801 19.0 13.0 68 6.0 15.0 275 13 309.1 311.3 295.3 344.2 11.54 8 803 1992 18.0 12.0 68 6.0 14.0 280 15 310.0 312.1 295.2 343.7 11.04 9 738 2709 12.4 11.8 96 0.6 12.0 266 13 311.5 313.7 296.1 347.9 11.87 10 700 3153 10.6 7.6 82 3.0 8.8 265 17 314.2 316.0 295.1 343.5 9.40 11 674 3469 10.0 2.0 57 8.0 5.4 273 16 317.0 318.2 293.8 337.8 6.57 12 583 4658 1.2 -2.0 79 3.2 -0.5 279 23 320.1 321.2 293.9 338.4 5.68 13 573 4798 0.6 -4.0 71 4.6 -1.7 277 22 321.0 322.0 293.6 337.2 4.97 14 569 4854 1.0 -8.0 51 9.0 -3.1 276 22 322.1 322.8 292.9 334.3 3.68 15 530 5421 -4.5 -7.7 78 3.2 -6.0 250 25 322.1 322.9 293.2 335.4 4.05 16 510 5724 -5.5 -5.8 98 0.3 -5.7 274 21 324.5 325.5 294.4 340.5 4.87 17 500 5880 -5.9 -6.5 96 0.6 -6.2 275 16 325.8 326.8 294.7 341.5 4.71 18 449 6717 -8.5 -11.3 80 2.8 -9.7 270 25 332.8 333.5 295.6 345.1 3.59 19 441 6856 -9.5 -13.8 71 4.3 -11.2 270 28 333.2 333.8 295.2 343.6 2.99 20 418 7266 -13.3 -15.5 83 2.2 -14.1 274 29 333.5 334.0 295.0 343.0 2.74 21 405 7506 -13.9 -25.9 36 12.0 -17.2 278 28 335.7 336.0 294.3 339.9 1.14 22 400 7600 -14.7 -24.7 42 10.0 -17.6 280 28 335.9 336.1 294.4 340.6 1.29 23 389 7811 -15.9 -23.9 50 8.0 -18.2 283 28 337.0 337.3 294.8 342.2 1.43 24 385 7889 -16.1 -30.1 29 14.0 -19.5 284 28 337.7 337.9 294.5 340.8 0.81 25 355 8495 -20.3 -33.3 30 13.0 -23.0 279 35 340.0 340.1 294.9 342.5 0.65 26 353 8537 -20.7 -28.7 49 8.0 -22.6 280 36 340.0 340.2 295.2 343.8 1.01 27 340 8814 -22.7 -33.7 36 11.0 -24.9 276 30 341.0 341.1 295.1 343.5 0.65 28 330 9032 -24.5 -29.2 65 4.7 -25.5 281 32 341.4 341.6 295.6 345.3 1.03 29 327 9099 -24.9 -33.9 43 9.0 -26.6 283 33 341.8 341.9 295.3 344.3 0.67 30 321 9233 -26.1 -31.1 63 5.0 -27.1 288 36 341.9 342.1 295.6 345.3 0.89 31 300 9720 -29.1 -33.8 64 4.7 -29.9 290 44 344.4 344.5 296.0 347.2 0.73 32 298 9768 -29.5 -34.5 62 5.0 -30.4 285 44 344.5 344.6 296.0 347.1 0.69 33 286 10058 -32.1 -35.3 73 3.2 -32.6 295 46 344.8 345.0 296.1 347.4 0.66 34 250 10990 -39.1 -44.0 60 4.9 -39.6 285 29 347.9 348.0 296.4 349.2 0.31 35 213 12068 -48.5 -55.5 44 7.0 -48.8 304 24 349.6 349.6 296.6 350.0 0.10 36 200 12480 -52.5 -55.2 72 2.7 -52.6 300 23 349.6 349.7 296.7 350.1 0.11 37 197 12577 -53.5 -56.7 68 3.2 -53.6 289 27 349.6 349.6 296.6 349.9 0.09 38 190 12808 -55.3 -59.6 59 4.3 -55.4 300 21 350.3 350.3 296.8 350.6 0.07 39 184 13012 -56.9 -73.9 10 17.0 -57.1 310 24 350.9 350.9 296.8 351.0 0.01 40 172 13434 -60.3 -63.5 66 3.2 -60.4 319 26 352.1 352.1 297.1 352.3 0.04 41 164 13728 -62.9 -65.6 70 2.7 -62.9 323 27 352.6 352.6 297.2 352.8 0.03 42 150 14270 -67.7 -72.5 50 4.8 -67.7 330 27 353.5 353.5 297.4 353.5 0.01 43 137 14810 -71.9 -78.9 34 7.0 -71.9 311 29 355.3 355.3 297.8 355.4 0.01 44 129 15164 -72.1 -85.1 13 13.0 -72.2 312 36 361.1 361.1 298.9 361.1 0.00 45 101 16574 -80.5 -88.5 25 8.0 -80.5 262 27 371.1 371.1 300.8 371.1 0.00 46 100 16630 -80.7 -87.7 30 7.0 -80.7 250 29 371.8 371.8 300.9 371.8 0.00 47 83 17662 -86.9 -91.0 47 4.1 -86.9 245 29 379.5 379.5 302.2 379.5 0.00 48 77 18076 -81.3 -90.3 20 9.0 -81.3 242 34 399.4 399.4 305.1 399.4 0.00 49 76 18151 -76.7 -87.7 16 11.0 -76.7 241 35 410.5 410.5 306.6 410.5 0.00 50 70 18620 -79.3 -90.3 15 11.0 -79.3 300 6 414.7 414.7 307.1 414.7 0.00 51 69 18702 -79.5 -90.5 15 11.0 -79.6 296 7 416.0 416.0 307.2 416.0 0.00 52 65 19050 -68.7 -90.7 3 22.0 -68.8 301 13 446.8 446.8 310.6 446.8 0.00 53 58 19733 -68.3 -90.3 3 22.0 -68.5 334 23 462.5 462.5 312.0 462.5 0.00 TRP 83 17662 -86.9 -91.0 47 4.1 -86.9 245 29 379.5 379.5 302.2 379.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 561.91 mb = 4957.30 m = 16263.91 ft Wetbulb zero: 590.80 mb = 4549.28 m = 14925.26 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 79.78 % Est. max temperature: 32.78 C = 91.01 F Sfc-Lift cond lev (LCL): 970.67 mb = 341.27 m = 1119.62 ft T: 25.92 C 700-500 lapse rate: 6.05 C/km ThetaE index: 13.37 C Layer 850.0- 738.0 mb Conv cond level (CCL): 884.51 mb = 1156.11 m = 3792.95 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 30.56 C = 87.00 F Cap Strength: 1.46 C Lifted Index: -4.45 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.99 C Lifted Index @700 mb: -1.14 C Showalter Index: -5.10 C Risk: Severe thunderstorms possible Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 25.10 C K Index: 41.30 Risk: > 80 % chance of thunderstorms Sweat Index: 294.40 Risk: None Energy Index: -3.00 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1223.70 J/kg Max Up Vert Vel: 49.47 m/s Conv Inhibition (B-): 34.27 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 911.27 mb = 896.78 m = 2942.14 ft Lev Free Conv (LFC): 766.27 mb = 2389.65 m = 7839.96 ft Equ Level (EL): 136.27 mb = 14840.85 m = 48689.86 ft B at Equ Level: 1190.34 J/kg Max Parcel Lev (MPL): 76.27 mb = 18130.12 m = 59481.29 ft Wind level data Storm motion: 299 at 13 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 ---------------------------------------------------------- 0 993 140 25 2 -0.8 -1.8 | 110 13 -12.2 4.3 1 975 305 255 19 18.4 4.9 | 212 13 7.0 11.1 2 942 610 265 15 14.9 1.3 | 206 8 3.6 7.5 3 925 766 270 15 15.0 -0.0 | 211 7 3.7 6.2 4 909 914 260 12 11.8 2.1 | 183 8 0.5 8.2 5 878 1219 285 12 11.6 -3.1 | 185 3 0.3 3.1 6 850 1502 280 12 11.8 -2.1 | 187 4 0.5 4.1 7 818 1829 275 13 13.0 -1.1 | 198 5 1.6 5.0 8 789 2134 285 16 15.5 -4.1 | 244 5 4.1 2.0 9 761 2438 270 15 15.0 -0.0 | 211 7 3.7 6.2 10 735 2743 265 13 13.0 1.1 | 193 7 1.6 7.3 11 700 3153 265 17 16.9 1.5 | 216 9 5.6 7.6 12 683 3353 275 15 14.9 -1.3 | 217 6 3.6 4.9 13 633 3962 265 22 21.9 1.9 | 233 13 10.6 8.1 14 610 4267 270 21 21.0 -0.0 | 238 11 9.7 6.2 15 588 4572 280 23 22.7 -4.0 | 259 12 11.3 2.2 16 566 4877 275 22 21.9 -1.9 | 248 11 10.6 4.2 17 545 5182 235 18 14.7 10.3 | 192 17 3.4 16.5 18 525 5486 255 28 27.0 7.2 | 230 21 15.7 13.4 19 506 5791 280 19 18.7 -3.3 | 249 8 7.4 2.9 20 500 5880 275 16 15.9 -1.4 | 224 7 4.6 4.8 21 486 6096 270 16 16.0 -0.0 | 217 8 4.7 6.2 22 432 7010 270 30 30.0 -0.0 | 252 20 18.7 6.2 23 400 7600 280 28 27.6 -4.9 | 265 16 16.2 1.3 24 383 7925 285 28 27.0 -7.2 | 274 16 15.7 -1.1 25 367 8230 275 28 27.9 -2.4 | 257 17 16.6 3.7 26 352 8534 280 36 35.5 -6.3 | 270 24 24.1 -0.1 27 338 8839 275 29 28.9 -2.5 | 258 18 17.6 3.6 28 311 9449 295 40 36.3 -16.9 | 293 27 24.9 -10.7 29 300 9720 290 44 41.3 -15.0 | 286 31 30.0 -8.9 30 299 9754 285 44 42.5 -11.4 | 280 32 31.2 -5.2 31 286 10058 295 46 41.7 -19.4 | 294 33 30.4 -13.3 32 251 10973 285 29 28.0 -7.5 | 275 17 16.7 -1.3 33 250 10990 285 29 28.0 -7.5 | 275 17 16.7 -1.3 34 239 11278 290 25 23.5 -8.6 | 281 12 12.2 -2.4 35 229 11582 275 29 28.9 -2.5 | 258 18 17.6 3.6 36 219 11887 305 25 20.5 -14.3 | 312 12 9.2 -8.2 37 200 12480 300 23 19.9 -11.5 | 302 10 8.6 -5.3 38 199 12497 285 29 28.0 -7.5 | 275 17 16.7 -1.3 39 190 12802 300 21 18.2 -10.5 | 302 8 6.9 -4.3 40 181 13106 315 26 18.4 -18.4 | 330 14 7.1 -12.2 41 150 14270 330 27 13.5 -23.4 | 353 17 2.2 -17.2 42 149 14326 330 27 13.5 -23.4 | 353 17 2.2 -17.2 43 134 14935 305 30 24.6 -17.2 | 310 17 13.2 -11.0 44 127 15240 315 38 26.9 -26.9 | 323 26 15.5 -20.7 45 114 15850 260 26 25.6 4.5 | 233 18 14.3 10.7 46 103 16459 285 22 21.3 -5.7 | 267 10 9.9 0.5 47 100 16630 250 29 27.3 9.9 | 225 23 15.9 16.1 48 98 16764 260 25 24.6 4.3 | 232 17 13.3 10.5 49 83 17662 245 29 26.3 12.3 | 219 24 15.0 18.4 50 74 18288 240 37 32.0 18.5 | 220 32 20.7 24.7 51 70 18593 220 10 6.4 7.7 | 160 15 -4.9 13.8 52 70 18620 300 6 5.2 -3.0 | 117 7 -6.1 3.2 53 66 18898 285 10 9.7 -2.6 | 155 4 -1.7 3.6 54 63 19202 330 18 9.0 -15.6 | 14 10 -2.3 -9.4 55 59 19507 340 23 7.9 -21.6 | 13 16 -3.5 -15.5 56 52 20117 300 22 19.1 -11.0 | 302 9 7.7 -4.8 Wind Parameters Mean winds (0-6000m): 268.5 at 17.2 knts Storm direction: 298.5 at 12.9 knts Shear (0-3000m) pos: 0.9 neg: 3.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 106.1 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -23.8 tot: -7.4 m^2/s^2 ave: -2.5 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 1.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 788.85 Bulk Shear: 1.55 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 ------------------------------------------------------------------------------- 500 260 15 200 9| 0.0 16.5 16.5| 1.8 -7.5 -5.7 -11.4 0.28| 42.0 11.9 1000 264 14 198 8| 2.2 8.3 10.4| 3.3 -14.4 -11.1 -11.1 0.18| 25.0 4.6 1500 269 13 197 7| 1.4 5.7 7.1| 3.9 -14.5 -10.6 -7.1 0.18| 17.6 3.2 2000 272 13 200 6| 1.3 4.2 5.6| 9.2 -14.5 -5.3 -2.7 0.24| 14.4 3.5 2500 272 14 204 6| 1.1 3.4 4.4| 9.2 -22.3 -13.2 -5.3 0.14| 12.7 1.8 3000 271 14 204 6| 0.9 3.3 4.2| 16.4 -23.8 -7.4 -2.5 0.17| 11.4 1.9 4000 270 15 212 7| 0.9 2.9 3.8| 24.0 -23.9 0.2 0.0 0.19| 10.0 1.9 5000 271 16 221 8| 1.2 2.7 3.9| 37.1 -70.6 -33.5 -6.7 0.05| 10.0 0.5 6000 269 17 222 9| 1.8 2.3 4.0|106.4 -77.7 28.7 4.8 0.13| 10.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250428.00.gif