UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:0000Z 18 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 73 0 0 SFC 992 145 27.4 24.5 84 2.9 25.3 0 0 301.2 304.9 298.7 359.9 19.88 2 925 764 23.8 21.5 87 2.3 22.2 10 10 303.6 306.9 298.0 356.4 17.72 3 903 975 22.2 21.4 95 0.8 21.6 350 11 304.1 307.4 298.3 357.9 18.05 4 850 1501 20.2 15.4 74 4.8 16.9 325 15 307.3 309.8 295.9 346.7 13.06 5 842 1583 20.0 15.0 73 5.0 16.6 324 16 307.9 310.3 295.9 346.8 12.84 6 746 2618 13.4 10.5 83 2.9 11.5 313 21 311.6 313.6 295.4 344.6 10.76 7 700 3154 12.0 6.0 67 6.0 8.3 305 19 315.8 317.4 294.8 342.2 8.41 8 629 4044 7.8 0.8 61 7.0 3.8 298 20 320.8 322.0 294.7 341.6 6.46 9 564 4934 1.2 -3.5 71 4.7 -1.2 280 21 323.2 324.2 294.4 340.3 5.24 10 554 5078 1.4 -18.6 21 20.0 -6.0 280 21 325.1 325.4 291.9 330.6 1.59 11 540 5284 0.0 -14.0 34 14.0 -5.7 280 22 325.8 326.3 292.8 334.0 2.40 12 517 5632 -1.7 -18.7 26 17.0 -7.9 273 20 327.8 328.2 292.7 333.7 1.69 13 507 5789 0.0 -24.0 14 24.0 -8.0 265 17 331.7 331.9 293.2 335.6 1.08 14 502 5868 -0.3 -30.3 8 30.0 -8.9 262 16 332.3 332.4 292.9 334.6 0.61 15 500 5900 -0.5 -25.5 13 25.0 -8.5 260 15 332.4 332.6 293.3 335.9 0.96 16 442 6868 -9.1 -23.1 31 14.0 -13.5 255 18 333.5 333.8 293.9 338.4 1.35 17 423 7205 -11.5 -38.5 9 27.0 -17.0 247 21 334.6 334.7 293.3 335.9 0.32 18 400 7630 -15.3 -34.3 18 19.0 -19.3 230 27 335.1 335.2 293.6 337.1 0.52 19 381 7995 -18.7 -33.7 25 15.0 -21.7 226 28 335.3 335.4 293.7 337.5 0.58 20 300 9730 -31.7 -48.7 17 17.0 -33.3 245 49 340.7 340.7 294.6 341.3 0.15 21 294 9873 -32.9 -47.9 21 15.0 -34.3 245 49 341.0 341.0 294.7 341.7 0.17 22 272 10418 -35.1 -57.1 9 22.0 -36.5 245 50 345.4 345.5 295.7 345.7 0.06 23 250 11000 -40.7 -57.7 14 17.0 -41.6 245 50 345.6 345.6 295.7 345.8 0.06 24 200 12480 -53.1 -68.1 15 15.0 -53.4 275 53 348.7 348.7 296.4 348.8 0.02 25 178 13222 -58.9 -69.9 23 11.0 -59.0 270 53 351.0 351.0 296.8 351.1 0.02 26 156 14041 -64.3 -75.3 21 11.0 -64.4 245 61 355.3 355.3 297.8 355.4 0.01 27 150 14280 -65.9 -76.9 20 11.0 -66.0 240 60 356.6 356.6 298.0 356.6 0.01 28 135 14911 -70.1 -82.1 16 12.0 -70.2 254 50 360.0 360.0 298.7 360.0 0.00 29 118 15695 -76.7 -82.7 38 6.0 -76.7 253 44 362.0 362.0 299.1 362.0 0.00 30 104 16416 -78.5 -87.5 22 9.0 -78.5 240 31 371.9 371.9 300.9 371.9 0.00 31 101 16583 -77.7 -86.7 22 9.0 -77.7 236 21 376.5 376.5 301.7 376.5 0.00 32 100 16640 -77.9 -86.9 22 9.0 -77.9 235 18 377.2 377.2 301.8 377.2 0.00 33 80 17894 -83.3 -89.3 34 6.0 -83.3 250 14 391.0 391.0 303.9 391.0 0.00 34 70 18650 -75.5 -89.5 9 14.0 -75.6 290 19 422.9 422.9 308.0 422.9 0.00 35 69 18734 -74.9 -89.9 8 15.0 -75.0 290 19 425.9 425.9 308.4 425.9 0.00 36 63 19262 -77.1 -90.1 11 13.0 -77.1 290 23 432.3 432.3 309.1 432.3 0.00 37 50 20630 -66.9 -89.9 3 23.0 -67.1 320 12 485.8 485.8 313.9 485.8 0.00 38 46 21137 -63.9 -89.9 2 26.0 -64.3 335 13 504.8 504.8 315.3 504.8 0.00 39 46 21137 -63.3 -89.3 2 26.0 -63.7 335 13 506.2 506.2 315.4 506.3 0.00 40 43 21549 -65.9 -88.9 3 23.0 -66.2 333 12 509.7 509.7 315.6 509.7 0.00 41 37 22471 -61.7 -88.7 2 27.0 -62.3 79 10 542.9 542.9 317.7 542.9 0.00 TRP 80 17894 -83.3 -89.3 34 6.0 -83.3 250 14 391.0 391.0 303.9 391.0 0.00 WND 156 14041 -64.3 -75.3 21 11.0 -64.4 245 61 355.3 355.3 297.8 355.4 0.01 Sounding variables and indices 1000-500 mb thick: 5827.00 m Freezing level: 540.00 mb = 5284.11 m = 17336.10 ft Freezing level: 507.00 mb = 5788.54 m = 18991.04 ft Freezing level: 507.00 mb = 5788.54 m = 18991.04 ft Wetbulb zero: 579.62 mb = 4711.04 m = 15455.98 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 66.51 % Est. max temperature: 34.07 C = 93.33 F Sfc-Lift cond lev (LCL): 951.58 mb = 513.03 m = 1683.14 ft T: 25.26 C 700-500 lapse rate: 4.55 C/km ThetaE index: 16.17 C Layer 746.0- 540.0 mb Conv cond level (CCL): 879.81 mb = 1201.09 m = 3940.54 ft Mean mixing ratio: 18.44 g/kg Conv temperature: 31.63 C = 88.93 F Cap Strength: 0.89 C Lifted Index: -0.17 C Risk: Thunderstorms probable Lifted Index @300 mb: -7.34 C Lifted Index @700 mb: -0.62 C Showalter Index: 3.64 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 15.90 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 229.80 Risk: None Energy Index: -1.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1916.56 J/kg Max Up Vert Vel: 61.91 m/s Conv Inhibition (B-): 23.15 J/kg Cap Strength: 0.89 C Lift Cond Lev (LCL): 911.94 mb = 888.53 m = 2915.09 ft Lev Free Conv (LFC): 806.94 mb = 1946.43 m = 6385.85 ft Equ Level (EL): 136.94 mb = 14825.36 m = 48639.04 ft B at Equ Level: 1897.30 J/kg Max Parcel Lev (MPL): 66.94 mb = 18910.07 m = 62040.16 ft Wind level data Storm motion: 333 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 ---------------------------------------------------------- 0 992 145 0 0 -0.0 -0.0 | 153 13 -6.0 11.7 1 974 305 60 11 -9.5 -5.5 | 112 17 -15.5 6.2 2 941 610 20 11 -3.8 -10.3 | 98 10 -9.7 1.4 3 925 764 10 10 -1.7 -9.8 | 104 8 -7.7 1.9 4 909 914 355 10 0.9 -10.0 | 109 5 -5.1 1.8 5 878 1219 330 14 7.0 -12.1 | 292 1 1.0 -0.4 6 850 1501 325 15 8.6 -12.3 | 282 3 2.6 -0.6 7 789 2134 315 19 13.4 -13.4 | 283 8 7.5 -1.7 8 761 2438 315 21 14.8 -14.8 | 289 9 8.9 -3.1 9 700 3154 305 19 15.6 -10.9 | 265 10 9.6 0.8 10 658 3658 310 20 15.3 -12.9 | 277 9 9.3 -1.1 11 611 4267 290 20 18.8 -6.8 | 249 14 12.8 4.9 12 588 4572 280 20 19.7 -3.5 | 239 16 13.7 8.2 13 526 5486 280 22 21.7 -3.8 | 243 18 15.7 7.9 14 500 5900 260 15 14.8 2.6 | 212 17 8.8 14.3 15 488 6096 255 14 13.5 3.6 | 206 17 7.5 15.3 16 433 7010 255 19 18.4 4.9 | 217 21 12.4 16.6 17 401 7620 230 26 19.9 16.7 | 206 32 13.9 28.4 18 400 7630 230 27 20.7 17.4 | 207 33 14.7 29.1 19 384 7925 225 27 19.1 19.1 | 203 33 13.1 30.8 20 368 8230 230 32 24.5 20.6 | 210 37 18.5 32.3 21 325 9144 250 40 37.6 13.7 | 231 41 31.6 25.4 22 300 9730 245 49 44.4 20.7 | 230 50 38.4 32.4 23 299 9754 245 49 44.4 20.7 | 230 50 38.4 32.4 24 250 11000 245 50 45.3 21.1 | 230 51 39.3 32.8 25 229 11582 250 50 47.0 17.1 | 235 50 41.0 28.8 26 200 12480 275 53 52.8 -4.6 | 261 47 46.8 7.1 27 199 12497 275 53 52.8 -4.6 | 261 47 46.8 7.1 28 181 13106 270 56 56.0 -0.0 | 257 51 50.0 11.7 29 172 13411 270 46 46.0 -0.0 | 254 42 40.0 11.7 30 156 14041 245 61 55.3 25.8 | 233 62 49.3 37.5 31 150 14280 240 60 52.0 30.0 | 228 62 46.0 41.7 32 149 14326 245 61 55.3 25.8 | 233 62 49.3 37.5 33 127 15240 260 43 42.3 7.5 | 242 41 36.4 19.2 34 109 16154 245 46 41.7 19.4 | 229 47 35.7 31.2 35 100 16640 235 18 14.7 10.3 | 202 24 8.8 22.0 36 98 16764 230 21 16.1 13.5 | 202 27 10.1 25.2 37 88 17374 295 21 19.0 -8.9 | 258 13 13.0 2.8 38 83 17678 305 22 18.0 -12.6 | 274 12 12.0 -0.9 39 80 17894 250 14 13.2 4.8 | 203 18 7.2 16.5 40 79 17983 250 16 15.0 5.5 | 208 19 9.1 17.2 41 75 18288 290 12 11.3 -4.1 | 215 9 5.3 7.6 42 71 18593 270 22 22.0 -0.0 | 234 20 16.0 11.7 43 70 18650 290 19 17.9 -6.5 | 246 13 11.9 5.2 44 67 18898 290 18 16.9 -6.2 | 243 12 10.9 5.6 45 61 19507 290 26 24.4 -8.9 | 261 19 18.4 2.8 46 57 19812 270 11 11.0 -0.0 | 203 13 5.0 11.7 47 55 20117 325 10 5.7 -8.2 | 176 4 -0.2 3.5 48 52 20422 335 20 8.5 -18.1 | 339 7 2.5 -6.4 49 50 20630 320 12 7.7 -9.2 | 214 3 1.7 2.5 50 46 21031 335 13 5.5 -11.8 | 83 0 -0.5 -0.1 51 43 21336 330 12 6.0 -10.4 | 181 1 0.0 1.3 52 36 22250 105 10 -9.7 2.6 | 132 21 -15.6 14.3 53 33 22555 115 18 -16.3 7.6 | 131 30 -22.3 19.3 Wind Parameters Mean winds (0-6000m): 302.9 at 17.5 knts Storm direction: 332.9 at 13.2 knts Shear (0-3000m) pos: 1.8 neg: 3.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 4.3 neg: -52.0 tot: -47.7 m^2/s^2 ave: -15.9 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -3.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 32.56 Bulk Shear: 58.87 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 42 9 112 13| 11.1 0.0 11.1| 0.0 -40.9 -40.9 -81.8 -0.65| 19.5-12.6 1000 17 10 104 9| 5.5 4.5 10.0| 2.2 -41.6 -39.4 -39.4 -0.45| 14.4 -6.4 1500 354 12 93 5| 3.7 4.5 8.2| 2.3 -41.9 -39.6 -26.4 -0.46| 11.3 -5.2 2000 341 13 69 2| 2.8 4.4 7.2| 2.3 -42.2 -39.9 -19.9 -0.41| 9.5 -3.9 2500 332 15 327 1| 2.2 3.9 6.1| 4.3 -45.0 -40.7 -16.3 -0.39| 8.2 -3.2 3000 327 15 296 3| 1.8 3.2 5.1| 4.3 -52.0 -47.7 -15.9 -0.43| 7.3 -3.1 4000 319 17 280 5| 1.6 2.8 4.5| 9.0 -64.7 -55.8 -13.9 -0.41| 6.5 -2.7 5000 310 17 266 7| 1.3 2.7 4.0| 12.0 -78.4 -66.4 -13.3 -0.42| 5.8 -2.4 6000 303 18 256 9| 1.1 2.0 3.1| 13.8-127.4-113.6 -18.9 -0.50| 5.8 -2.9 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250418.00.gif