UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:1200Z 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 85 30 2 SFC 994 139 27.8 23.8 79 4.0 24.9 30 2 301.5 305.0 298.2 357.5 19.00 2 981 255 25.6 23.3 87 2.3 23.9 9 8 300.4 303.8 297.7 355.2 18.67 3 925 773 23.6 20.5 83 3.1 21.4 340 24 303.4 306.5 297.3 352.8 16.63 4 889 1121 22.6 16.6 69 6.0 18.5 330 23 305.9 308.4 295.8 346.3 13.49 5 850 1511 20.2 15.4 74 4.8 16.9 320 22 307.3 309.8 295.9 346.7 13.06 6 755 2525 13.8 11.9 88 1.9 12.6 311 27 311.0 313.2 295.9 346.7 11.68 7 734 2763 14.0 9.0 72 5.0 10.8 314 26 313.7 315.6 295.4 344.3 9.87 8 700 3163 11.8 6.8 71 5.0 8.7 320 24 315.6 317.3 295.1 343.4 8.90 9 665 3590 9.0 4.6 74 4.4 6.3 320 24 317.1 318.6 294.9 342.4 8.03 10 540 5284 -0.9 -14.9 34 14.0 -6.4 252 25 324.7 325.2 292.3 332.3 2.23 11 517 5633 0.0 -43.0 2 43.0 -9.3 244 25 329.9 329.9 291.9 330.5 0.17 12 500 5900 -1.7 -41.7 3 40.0 -10.4 250 23 331.0 331.0 292.2 331.7 0.20 13 484 6158 -2.9 -36.9 5 34.0 -11.1 256 24 332.6 332.7 292.7 333.9 0.33 14 400 7630 -16.3 -41.3 10 25.0 -20.5 235 28 333.8 333.9 293.0 334.8 0.26 15 383 7955 -18.9 -45.9 7 27.0 -22.7 238 29 334.6 334.6 293.1 335.2 0.16 16 328 9092 -27.1 -42.1 23 15.0 -29.1 231 35 338.4 338.5 294.2 339.6 0.29 17 300 9730 -30.9 -50.9 12 20.0 -32.7 245 43 341.8 341.9 294.8 342.3 0.12 18 290 9968 -32.5 -52.5 12 20.0 -34.1 245 43 342.9 342.9 295.1 343.3 0.10 19 250 10990 -41.1 -55.1 21 14.0 -41.9 235 56 345.0 345.0 295.6 345.3 0.09 20 228 11613 -45.8 -63.5 12 17.7 -46.4 225 62 346.9 346.9 296.0 347.1 0.03 21 226 11672 -46.3 -64.3 11 18.0 -46.9 225 62 347.1 347.1 296.0 347.2 0.03 22 213 12066 -48.1 -72.1 5 24.0 -48.7 228 59 350.2 350.2 296.7 350.3 0.01 23 200 12480 -51.7 -68.7 11 17.0 -52.1 235 52 350.9 350.9 296.8 351.0 0.02 24 180 13154 -57.9 -69.9 20 12.0 -58.1 237 49 351.5 351.5 297.0 351.6 0.02 25 150 14280 -66.9 -76.9 23 10.0 -67.0 240 45 354.8 354.8 297.7 354.9 0.01 26 143 14566 -68.9 -78.9 22 10.0 -68.9 240 45 356.2 356.2 298.0 356.3 0.01 27 121 15540 -77.5 -81.9 49 4.4 -77.5 233 49 357.9 357.9 298.3 358.0 0.00 28 109 16139 -75.9 -87.9 13 12.0 -75.9 230 42 371.8 371.8 300.9 371.8 0.00 29 100 16630 -79.7 -87.7 25 8.0 -79.7 270 29 373.7 373.7 301.2 373.7 0.00 30 82 17739 -85.7 -89.9 47 4.2 -85.7 245 25 383.3 383.3 302.8 383.3 0.00 31 80 17875 -85.7 -90.2 44 4.5 -85.7 236 26 386.0 386.0 303.2 386.0 0.00 32 76 18159 -83.1 -91.1 24 8.0 -83.1 236 26 397.2 397.2 304.8 397.2 0.00 33 75 18233 -77.9 -88.9 15 11.0 -77.9 238 25 409.6 409.6 306.5 409.6 0.00 34 73 18389 -76.7 -88.7 13 12.0 -76.7 257 24 415.3 415.3 307.2 415.3 0.00 35 70 18630 -77.3 -91.3 9 14.0 -77.3 290 15 419.0 419.0 307.6 419.0 0.00 36 69 18712 -76.7 -91.7 7 15.0 -76.7 293 19 422.0 422.0 307.9 422.0 0.00 37 67 18884 -70.1 -90.1 4 20.0 -70.2 300 26 439.9 439.9 309.8 439.9 0.00 38 50 20630 -67.3 -90.3 2 23.0 -67.5 220 10 484.9 484.9 313.8 484.9 0.00 39 49 20753 -65.3 -90.3 2 25.0 -65.6 227 11 492.4 492.4 314.4 492.5 0.00 40 36 22652 -60.7 -87.7 2 27.0 -61.4 80 20 549.7 549.7 318.1 549.8 0.00 41 30 23800 -56.1 -86.1 1 30.0 -57.5 70 16 591.7 591.7 320.2 591.8 0.01 42 20 26400 -50.7 -82.7 1 32.0 -53.9 85 32 681.0 681.0 323.8 681.2 0.02 43 19 26734 -50.7 -82.7 1 32.0 -54.1 85 34 691.0 691.1 324.1 691.2 0.02 44 18 27086 -51.5 -83.5 1 32.0 -54.8 85 36 699.3 699.3 324.4 699.5 0.02 TRP 82 17739 -85.7 -89.9 47 4.2 -85.7 245 25 383.3 383.3 302.8 383.3 0.00 WND 228 11613 -45.8 -63.5 12 17.7 -46.4 225 62 346.9 346.9 296.0 347.1 0.03 Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 551.36 mb = 5130.41 m = 16831.86 ft Freezing level: 517.00 mb = 5632.81 m = 18480.14 ft Freezing level: 517.00 mb = 5632.81 m = 18480.14 ft Wetbulb zero: 602.88 mb = 4388.11 m = 14396.50 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 63.11 % Est. max temperature: 33.85 C = 92.93 F Sfc-Lift cond lev (LCL): 938.27 mb = 647.52 m = 2124.38 ft T: 24.08 C 700-500 lapse rate: 4.93 C/km ThetaE index: 16.21 C Layer 734.0- 500.0 mb Conv cond level (CCL): 835.16 mb = 1661.69 m = 5451.66 ft Mean mixing ratio: 17.03 g/kg Conv temperature: 34.17 C = 93.51 F Cap Strength: 2.54 C Lifted Index: 0.16 C Risk: Showers probable Lifted Index @300 mb: -4.17 C Lifted Index @700 mb: 0.35 C Showalter Index: 2.44 C Risk: Showers probable Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 17.10 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 251.80 Risk: None Energy Index: -2.73 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1033.06 J/kg Max Up Vert Vel: 45.45 m/s Conv Inhibition (B-): 72.97 J/kg Cap Strength: 2.54 C Lift Cond Lev (LCL): 899.92 mb = 1013.63 m = 3325.53 ft Lev Free Conv (LFC): 764.92 mb = 2413.00 m = 7916.57 ft Equ Level (EL): 744.92 mb = 2638.33 m = 8655.84 ft B at Equ Level: 19.14 J/kg Max Parcel Lev (MPL): 84.92 mb = 17542.96 m = 57554.96 ft Wind level data Storm motion: 333 at 17 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 ---------------------------------------------------------- 0 994 139 30 2 -1.0 -1.7 | 147 16 -8.6 13.4 1 975 305 360 10 -0.0 -10.0 | 124 9 -7.6 5.2 2 942 610 350 20 3.5 -19.7 | 42 6 -4.1 -4.5 3 925 773 340 24 8.2 -22.6 | 355 7 0.6 -7.4 4 910 914 335 24 10.1 -21.8 | 339 7 2.6 -6.6 5 850 1511 320 22 14.1 -16.9 | 284 7 6.6 -1.7 6 849 1524 315 21 14.8 -14.8 | 268 7 7.3 0.3 7 790 2134 305 25 20.5 -14.3 | 266 13 12.9 0.8 8 762 2438 310 27 20.7 -17.4 | 280 13 13.1 -2.2 9 700 3163 320 24 15.4 -18.4 | 292 8 7.8 -3.2 10 684 3353 320 24 15.4 -18.4 | 292 8 7.8 -3.2 11 634 3962 320 23 14.8 -17.6 | 289 8 7.2 -2.5 12 611 4267 305 22 18.0 -12.6 | 256 11 10.4 2.5 13 589 4572 285 18 17.4 -4.7 | 223 14 9.8 10.5 14 567 4877 285 22 21.3 -5.7 | 235 17 13.7 9.5 15 526 5486 235 26 21.3 14.9 | 205 33 13.7 30.1 16 507 5791 255 24 23.2 6.2 | 216 26 15.6 21.4 17 500 5900 250 23 21.6 7.9 | 211 27 14.0 23.0 18 488 6096 255 24 23.2 6.2 | 216 26 15.6 21.4 19 469 6401 260 24 23.6 4.2 | 220 25 16.1 19.3 20 401 7620 240 23 19.9 11.5 | 205 29 12.3 26.7 21 400 7630 235 28 22.9 16.1 | 206 35 15.4 31.2 22 368 8230 240 29 25.1 14.5 | 211 34 17.5 29.7 23 325 9144 230 35 26.8 22.5 | 207 42 19.2 37.7 24 300 9730 245 43 39.0 18.2 | 223 46 31.4 33.3 25 274 10363 245 44 39.9 18.6 | 224 47 32.3 33.8 26 250 10990 235 56 45.9 32.1 | 219 61 38.3 47.3 27 228 11613 225 62 43.8 43.8 | 212 69 36.3 59.0 28 219 11887 225 62 43.8 43.8 | 212 69 36.3 59.0 29 200 12480 235 52 42.6 29.8 | 218 57 35.0 45.0 30 150 14280 240 45 39.0 22.5 | 220 49 31.4 37.7 31 141 14630 240 45 39.0 22.5 | 220 49 31.4 37.7 32 114 15850 230 51 39.1 32.8 | 213 57 31.5 47.9 33 109 16154 230 41 31.4 26.4 | 210 48 23.8 41.5 34 100 16630 270 29 29.0 -0.0 | 235 26 21.4 15.2 35 98 16764 265 30 29.9 2.6 | 231 29 22.3 17.8 36 88 17374 260 15 14.8 2.6 | 202 19 7.2 17.8 37 83 17678 270 20 20.0 -0.0 | 219 20 12.4 15.2 38 82 17739 245 25 22.7 10.6 | 210 30 15.1 25.7 39 79 17983 230 27 20.7 17.4 | 202 35 13.1 32.5 40 74 18288 240 25 21.7 12.5 | 207 31 14.1 27.7 41 70 18593 290 22 20.7 -7.5 | 240 15 13.1 7.6 42 70 18630 290 15 14.1 -5.1 | 213 12 6.5 10.0 43 67 18898 300 26 22.5 -13.0 | 262 15 14.9 2.2 44 64 19202 195 1 0.3 1.0 | 156 18 -7.3 16.1 45 60 19507 350 10 1.7 -9.8 | 132 8 -5.8 5.3 46 57 19812 325 16 9.2 -13.1 | 218 3 1.6 2.1 47 55 20117 265 11 11.0 1.0 | 192 16 3.4 16.1 48 50 20630 220 10 6.4 7.7 | 177 23 -1.1 22.8 49 49 20726 230 10 7.7 6.4 | 180 22 0.1 21.6 50 47 21031 195 19 4.9 18.4 | 175 34 -2.7 33.5 51 45 21336 195 16 4.1 15.5 | 174 31 -3.4 30.6 52 40 21946 95 16 -15.9 1.4 | 125 29 -23.5 16.6 53 39 22250 105 13 -12.6 3.4 | 133 27 -20.1 18.5 54 37 22555 80 20 -19.7 -3.5 | 113 30 -27.3 11.7 55 32 23470 80 21 -20.7 -3.6 | 112 31 -28.3 11.5 56 30 23774 75 24 -23.2 -6.2 | 106 32 -30.8 8.9 57 30 23800 70 16 -15.0 -5.5 | 113 25 -22.6 9.7 58 27 24384 60 18 -15.6 -9.0 | 105 24 -23.2 6.2 59 25 24994 60 20 -17.3 -10.0 | 102 25 -24.9 5.2 60 24 25298 95 17 -16.9 1.5 | 124 30 -24.5 16.6 61 23 25603 75 20 -19.3 -5.2 | 110 29 -26.9 10.0 62 20 26400 85 32 -31.9 -2.8 | 107 41 -39.5 12.4 63 16 27127 85 40 -39.8 -3.5 | 104 49 -47.4 11.7 64 15 27432 85 38 -37.9 -3.3 | 105 47 -45.4 11.8 Wind Parameters Mean winds (0-6000m): 303.4 at 22.6 knts Storm direction: 333.4 at 16.9 knts Shear (0-3000m) pos: 1.1 neg: 4.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 144.4 deg Storm rel helicity (0-3000m) pos: 17.1 neg: -61.7 tot: -44.6 m^2/s^2 ave: -14.9 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 8.4 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 24.83 Bulk Shear: 41.60 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 ------------------------------------------------------------------------------- 500 355 12 114 7| 0.0 19.8 19.8| 0.0 -35.1 -35.1 -70.1 -0.78| 20.5-16.1 1000 343 18 51 3| 0.0 11.5 11.5| 0.0 -50.4 -50.4 -50.4 -0.84| 14.9-12.6 1500 335 19 345 2| 0.0 7.3 7.3| 0.1 -60.8 -60.7 -40.5 -0.84| 12.3-10.4 2000 327 20 299 4| 0.0 6.4 6.4| 0.1 -61.7 -61.6 -30.8 -0.75| 10.4 -7.9 2500 323 22 290 6| 0.7 5.1 5.9| 12.6 -61.7 -49.1 -19.6 -0.60| 9.3 -5.6 3000 321 22 289 7| 1.1 4.3 5.4| 17.1 -61.7 -44.6 -14.9 -0.52| 8.4 -4.3 4000 321 23 289 7| 0.8 3.2 4.1| 17.2 -69.5 -52.3 -13.1 -0.54| 6.9 -3.7 5000 315 22 273 8| 0.7 3.2 3.9| 26.1-119.2 -93.1 -18.6 -0.52| 7.8 -4.1 6000 303 23 257 12| 0.8 2.8 3.7| 71.6-181.3-109.7 -18.3 -0.44| 8.2 -3.6 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250418.12.gif