UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:0000Z 17 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 80 170 5 SFC 993 142 24.2 23.4 95 0.8 23.6 170 5 297.9 301.3 297.0 351.9 18.55 2 981 249 25.6 22.2 82 3.4 23.2 65 3 300.4 303.6 297.0 351.5 17.43 3 925 765 22.6 21.5 94 1.1 21.8 340 9 302.4 305.7 297.7 354.8 17.72 4 850 1500 18.4 17.2 93 1.2 17.6 350 8 305.4 308.2 296.5 349.4 14.68 5 741 2668 12.4 8.8 79 3.6 10.2 344 19 311.1 312.9 294.5 340.7 9.64 6 719 2921 10.6 9.8 95 0.8 10.1 331 15 311.8 313.8 295.4 344.6 10.65 7 713 2991 11.2 8.4 83 2.8 9.5 325 14 313.2 315.1 295.1 343.4 9.75 8 700 3145 10.6 7.9 83 2.7 8.9 320 13 314.2 316.1 295.3 344.1 9.60 9 666 3558 7.6 7.0 96 0.6 7.2 320 11 315.4 317.2 295.5 345.0 9.49 10 619 4159 5.6 2.6 81 3.0 3.8 281 18 319.7 321.2 295.2 343.6 7.48 11 584 4632 2.2 -0.8 81 3.0 0.5 270 30 321.1 322.3 294.6 341.1 6.19 12 567 4870 0.0 0.0 100 0.0 0.0 270 29 321.3 322.6 295.1 343.1 6.77 13 552 5084 -0.7 -4.3 77 3.6 -2.5 270 29 322.9 323.9 294.2 339.4 5.04 14 544 5201 -1.5 -3.0 89 1.5 -2.3 270 28 323.3 324.4 294.7 341.7 5.65 15 534 5349 -1.5 -11.5 46 10.0 -5.8 270 28 325.0 325.6 293.1 335.0 2.97 16 530 5409 -1.7 -11.7 46 10.0 -6.0 270 28 325.5 326.1 293.2 335.4 2.95 17 500 5870 -4.9 -10.9 63 6.0 -7.5 260 23 327.1 327.7 293.9 338.3 3.33 18 439 6885 -11.5 -14.4 79 2.9 -12.6 257 37 331.1 331.7 294.6 341.0 2.86 19 436 6938 -11.5 -14.3 80 2.8 -12.6 256 38 331.8 332.3 294.7 341.8 2.90 20 433 6991 -10.7 -24.7 31 14.0 -14.8 255 39 333.4 333.7 293.7 337.7 1.19 21 430 7045 -10.7 -32.7 15 22.0 -15.9 255 39 334.1 334.2 293.4 336.2 0.57 22 400 7600 -14.1 -49.1 3 35.0 -19.3 245 40 336.7 336.7 293.6 337.1 0.11 23 393 7733 -14.7 -49.7 3 35.0 -19.8 245 39 337.6 337.6 293.8 338.0 0.10 24 335 8916 -24.5 -49.5 8 25.0 -27.3 255 39 340.0 340.0 294.4 340.5 0.12 25 321 9225 -25.7 -49.7 9 24.0 -28.4 255 45 342.5 342.5 295.0 343.0 0.13 26 300 9710 -30.3 -48.3 16 18.0 -32.1 265 44 342.7 342.7 295.1 343.3 0.16 27 277 10272 -35.3 -49.3 23 14.0 -36.5 262 47 343.4 343.4 295.3 344.0 0.15 28 250 10980 -39.9 -58.9 11 19.0 -40.9 270 49 346.7 346.8 296.0 347.0 0.05 29 225 11689 -45.7 -64.7 10 19.0 -46.3 277 49 348.5 348.5 296.3 348.6 0.03 30 208 12206 -50.5 -59.5 34 9.0 -50.8 282 49 348.9 348.9 296.4 349.1 0.06 31 204 12332 -51.3 -66.3 15 15.0 -51.7 284 49 349.5 349.6 296.5 349.7 0.03 32 200 12460 -52.5 -58.5 48 6.0 -52.7 285 49 349.6 349.6 296.6 349.9 0.07 33 192 12723 -54.9 -58.9 61 4.0 -55.0 287 49 349.9 349.9 296.7 350.2 0.07 34 189 12824 -55.7 -60.7 54 5.0 -55.8 288 50 350.2 350.2 296.7 350.4 0.06 35 181 13098 -57.5 -69.5 20 12.0 -57.7 290 50 351.6 351.6 297.0 351.7 0.02 36 170 13492 -61.1 -68.1 39 7.0 -61.2 294 49 352.0 352.0 297.1 352.1 0.02 37 158 13943 -64.9 -72.9 32 8.0 -65.0 299 48 353.0 353.0 297.3 353.1 0.01 38 150 14260 -65.9 -78.9 15 13.0 -66.0 285 45 356.6 356.6 298.0 356.6 0.01 39 149 14300 -66.1 -80.1 12 14.0 -66.2 285 46 356.9 356.9 298.1 356.9 0.00 40 102 16509 -81.1 -87.1 36 6.0 -81.1 250 45 368.9 368.9 300.4 368.9 0.00 41 100 16620 -81.1 -88.1 30 7.0 -81.1 245 45 371.0 371.0 300.8 371.0 0.00 42 77 18085 -81.9 -89.9 24 8.0 -81.9 261 20 398.2 398.2 304.9 398.2 0.00 43 75 18235 -76.5 -88.5 13 12.0 -76.6 275 19 412.5 412.5 306.8 412.5 0.00 44 70 18630 -78.1 -90.1 13 12.0 -78.1 270 10 417.3 417.3 307.4 417.3 0.00 45 63 19239 -72.9 -89.9 6 17.0 -73.0 231 10 441.5 441.5 310.0 441.5 0.00 46 60 19524 -74.3 -90.3 7 16.0 -74.4 245 6 444.6 444.6 310.3 444.6 0.00 47 58 19724 -70.1 -90.1 4 20.0 -70.2 301 10 458.4 458.4 311.6 458.4 0.00 48 57 19827 -70.5 -90.5 4 20.0 -70.6 316 12 459.8 459.8 311.8 459.8 0.00 49 50 20620 -62.3 -89.3 2 27.0 -62.7 280 14 496.7 496.7 314.7 496.7 0.00 50 49 20745 -61.9 -88.9 2 27.0 -62.4 303 18 500.5 500.5 315.0 500.5 0.00 51 43 21546 -64.3 -89.3 2 25.0 -64.7 328 7 513.6 513.6 315.9 513.7 0.00 52 32 23389 -55.1 -86.1 1 31.0 -56.6 88 22 583.6 583.6 319.8 583.6 0.01 53 30 23800 -55.5 -85.5 1 30.0 -57.0 80 27 593.3 593.3 320.3 593.4 0.01 54 25 24968 -53.1 -85.1 1 32.0 -55.4 94 27 632.0 632.0 322.0 632.1 0.01 55 20 26410 -51.9 -83.9 1 32.0 -54.8 90 38 677.3 677.3 323.7 677.4 0.02 TRP 102 16509 -81.1 -87.1 36 6.0 -81.1 250 45 368.9 368.9 300.4 368.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 567.00 mb = 4869.60 m = 15976.19 ft Wetbulb zero: 566.88 mb = 4871.26 m = 15981.63 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 83.68 % Est. max temperature: 32.00 C = 89.60 F Sfc-Lift cond lev (LCL): 981.92 mb = 240.60 m = 789.35 ft T: 25.49 C 700-500 lapse rate: 5.69 C/km ThetaE index: 14.12 C Layer 850.0- 719.0 mb Conv cond level (CCL): 889.26 mb = 1107.54 m = 3633.60 ft Mean mixing ratio: 17.45 g/kg Conv temperature: 30.06 C = 86.11 F Cap Strength: 1.00 C Lifted Index: -3.07 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.66 C Lifted Index @700 mb: -0.85 C Showalter Index: -1.70 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.10 C K Index: 37.80 Risk: > 80 % chance of thunderstorms Sweat Index: 245.40 Risk: None Energy Index: -2.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1119.66 J/kg Max Up Vert Vel: 47.32 m/s Conv Inhibition (B-): 12.29 J/kg Cap Strength: 1.00 C Lift Cond Lev (LCL): 917.18 mb = 838.83 m = 2752.03 ft Lev Free Conv (LFC): 852.18 mb = 1477.77 m = 4848.26 ft Equ Level (EL): 152.18 mb = 14172.17 m = 46496.06 ft B at Equ Level: 1095.71 J/kg Max Parcel Lev (MPL): 92.18 mb = 17076.68 m = 56025.18 ft Wind level data Storm motion: 327 at 12 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 ---------------------------------------------------------- 0 993 142 170 5 -0.9 4.9 | 153 17 -7.7 15.4 1 975 305 10 2 -0.3 -2.0 | 140 11 -7.2 8.5 2 942 610 340 8 2.7 -7.5 | 125 5 -4.1 2.9 3 925 765 340 9 3.1 -8.5 | 118 4 -3.8 2.0 4 909 914 345 10 2.6 -9.7 | 100 4 -4.3 0.8 5 850 1500 350 8 1.4 -7.9 | 115 6 -5.5 2.6 6 818 1829 360 13 -0.0 -13.0 | 69 7 -6.9 -2.6 7 789 2134 340 13 4.4 -12.2 | 54 3 -2.4 -1.8 8 761 2438 340 15 5.1 -14.1 | 25 4 -1.7 -3.7 9 734 2743 345 20 5.2 -19.3 | 11 9 -1.7 -8.9 10 708 3048 320 12 7.7 -9.2 | 215 2 0.9 1.2 11 700 3145 320 13 8.4 -10.0 | 252 2 1.5 0.5 12 657 3658 320 10 6.4 -7.7 | 171 3 -0.4 2.8 13 633 3962 290 11 10.3 -3.8 | 208 8 3.5 6.7 14 609 4267 275 23 22.9 -2.0 | 242 18 16.1 8.4 15 587 4572 270 30 30.0 -0.0 | 246 25 23.1 10.4 16 505 5791 270 27 27.0 -0.0 | 243 23 20.1 10.4 17 500 5870 260 23 22.7 4.0 | 228 21 15.8 14.4 18 486 6096 270 24 24.0 -0.0 | 239 20 17.1 10.4 19 415 7315 250 44 41.3 15.0 | 234 43 34.5 25.5 20 400 7600 245 40 36.3 16.9 | 227 40 29.4 27.3 21 367 8230 245 36 32.6 15.2 | 225 36 25.8 25.6 22 352 8534 255 32 30.9 8.3 | 232 30 24.0 18.7 23 311 9449 255 50 48.3 12.9 | 241 48 41.4 23.4 24 300 9710 265 44 43.8 3.8 | 249 40 37.0 14.3 25 261 10668 260 49 48.3 8.5 | 245 46 41.4 18.9 26 250 10980 270 49 49.0 -0.0 | 256 43 42.1 10.4 27 200 12460 285 49 47.3 -12.7 | 273 41 40.5 -2.3 28 180 13106 290 50 47.0 -17.1 | 279 41 40.1 -6.7 29 156 14021 300 48 41.6 -24.0 | 291 37 34.7 -13.6 30 150 14260 285 45 43.5 -11.6 | 272 37 36.6 -1.2 31 148 14326 285 46 44.4 -11.9 | 272 38 37.6 -1.5 32 134 14935 295 44 39.9 -18.6 | 284 34 33.0 -8.2 33 102 16509 250 45 42.3 15.4 | 234 44 35.4 25.8 34 100 16620 245 45 40.8 19.0 | 229 45 33.9 29.4 35 97 16764 245 46 41.7 19.4 | 229 46 34.8 29.9 36 92 17069 235 39 31.9 22.4 | 217 41 25.1 32.8 37 87 17374 250 33 31.0 11.3 | 228 32 24.1 21.7 38 83 17678 220 21 13.5 16.1 | 194 27 6.6 26.5 39 74 18288 280 19 18.7 -3.3 | 239 14 11.9 7.1 40 70 18593 330 19 9.5 -16.5 | 336 7 2.6 -6.0 41 70 18630 270 10 10.0 -0.0 | 197 11 3.1 10.4 42 67 18898 250 11 10.3 3.8 | 194 15 3.5 14.2 43 64 19202 230 11 8.4 7.1 | 185 18 1.6 17.5 44 60 19507 235 5 4.1 2.9 | 168 14 -2.8 13.3 45 57 19812 320 11 7.1 -8.4 | 186 2 0.2 2.0 46 54 20117 285 19 18.4 -4.9 | 244 13 11.5 5.5 47 52 20422 310 23 17.6 -14.8 | 292 12 10.8 -4.4 48 50 20620 280 14 13.8 -2.4 | 221 11 6.9 8.0 49 49 20726 305 19 15.6 -10.9 | 273 9 8.7 -0.5 50 47 21031 270 11 11.0 -0.0 | 202 11 4.1 10.4 51 38 22250 45 1 -0.7 -0.7 | 142 12 -7.6 9.7 52 35 22860 100 14 -13.8 2.4 | 122 24 -20.6 12.9 53 30 23774 80 28 -27.6 -4.9 | 99 35 -34.4 5.6 54 30 23800 80 27 -26.6 -4.7 | 100 34 -33.5 5.7 55 27 24384 75 24 -23.2 -6.2 | 98 30 -30.0 4.2 56 26 24689 100 30 -29.5 5.2 | 113 40 -36.4 15.6 57 23 25603 80 21 -20.7 -3.6 | 104 28 -27.5 6.8 58 22 25908 95 27 -26.9 2.4 | 111 36 -33.8 12.8 59 20 26410 90 38 -38.0 0.0 | 103 46 -44.9 10.4 60 18 26822 90 39 -39.0 0.0 | 103 47 -45.9 10.4 Wind Parameters Mean winds (0-6000m): 296.7 at 16.6 knts Storm direction: 326.7 at 12.5 knts Shear (0-3000m) pos: 3.5 neg: 1.5 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 98.1 deg Storm rel helicity (0-3000m) pos: 4.1 neg: -44.7 tot: -40.6 m^2/s^2 ave: -13.5 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 8.2 stream: -3.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 42.80 Bulk Shear: 26.16 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 ------------------------------------------------------------------------------- 500 346 5 136 8| 13.5 0.0 13.5| 2.2 -24.9 -22.7 -45.4 -0.41| 16.0 -6.6 1000 344 7 127 6| 7.3 0.0 7.3| 2.8 -26.9 -24.1 -24.1 -0.42| 9.4 -4.0 1500 346 8 121 6| 5.2 0.0 5.2| 3.8 -30.2 -26.4 -17.6 -0.43| 7.4 -3.1 2000 349 9 109 5| 3.9 1.0 4.9| 3.8 -36.6 -32.8 -16.4 -0.46| 7.4 -3.4 2500 346 10 98 5| 4.2 0.8 5.1| 3.8 -39.7 -36.0 -14.4 -0.47| 7.1 -3.3 3000 344 11 86 4| 3.5 1.5 5.0| 4.1 -44.7 -40.6 -13.5 -0.46| 8.2 -3.8 4000 334 11 98 2| 2.6 2.6 5.2| 18.6 -45.8 -27.2 -6.8 -0.27| 8.2 -2.2 5000 310 15 255 4| 2.1 3.2 5.3| 30.2 -49.3 -19.1 -3.8 -0.20| 8.0 -1.6 6000 297 17 250 9| 1.8 2.4 4.1| 45.9 -80.0 -34.0 -5.7 -0.20| 7.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250417.00.gif