UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:1200Z 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 95 120 2 SFC 995 139 25.2 24.3 95 0.9 24.6 120 2 298.8 302.3 297.9 355.9 19.57 2 929 740 21.6 20.6 94 1.0 20.9 1 10 301.0 304.1 296.6 350.0 16.66 3 925 778 21.8 20.2 91 1.6 20.7 360 10 301.6 304.6 296.5 349.7 16.32 4 896 1056 21.8 17.5 77 4.3 18.8 7 11 304.4 307.0 295.9 346.6 14.18 5 850 1513 19.6 16.0 80 3.6 17.1 315 4 306.7 309.2 296.1 347.5 13.58 6 700 3161 10.6 7.4 81 3.2 8.6 320 17 314.2 316.0 295.1 343.1 9.27 7 686 3330 10.2 6.4 77 3.8 7.9 322 18 315.6 317.3 295.1 343.2 8.83 8 634 3981 5.6 3.4 86 2.2 4.3 310 19 317.6 319.0 294.8 342.0 7.73 9 565 4918 1.0 -7.0 55 8.0 -2.8 281 20 322.8 323.6 293.3 336.0 4.01 10 514 5673 -5.1 -16.1 42 11.0 -9.2 273 20 324.3 324.7 292.1 331.5 2.12 11 500 5890 -5.5 -27.5 16 22.0 -11.6 270 17 326.3 326.5 291.5 329.2 0.80 12 466 6438 -8.9 -36.9 8 28.0 -14.8 261 22 328.7 328.8 291.7 330.1 0.35 13 458 6573 -7.5 -48.5 2 41.0 -14.5 265 24 332.1 332.1 292.4 332.5 0.10 14 400 7610 -15.5 -42.5 8 27.0 -20.0 235 35 334.8 334.9 293.3 335.7 0.23 15 353 8539 -23.5 -43.5 14 20.0 -26.2 243 42 336.3 336.3 293.6 337.2 0.23 16 300 9710 -31.3 -53.3 10 22.0 -33.1 250 48 341.3 341.3 294.7 341.6 0.09 17 250 10970 -41.1 -55.1 21 14.0 -41.9 275 55 345.0 345.0 295.6 345.3 0.09 18 247 11052 -41.5 -56.5 18 15.0 -42.3 276 55 345.6 345.6 295.7 345.9 0.07 19 244 11136 -41.5 -61.5 10 20.0 -42.4 278 55 346.8 346.8 296.0 346.9 0.04 20 231 11506 -44.7 -56.7 25 12.0 -45.3 284 54 347.4 347.4 296.1 347.7 0.08 21 221 11803 -46.3 -62.3 15 16.0 -46.9 288 53 349.3 349.3 296.5 349.5 0.04 22 200 12460 -52.5 -59.5 43 7.0 -52.7 285 55 349.6 349.6 296.6 349.9 0.06 23 182 13062 -57.9 -62.1 59 4.2 -58.0 283 56 350.4 350.4 296.8 350.6 0.05 24 167 13597 -62.7 -75.7 16 13.0 -62.8 281 57 351.1 351.1 296.9 351.2 0.01 25 150 14250 -68.3 -74.3 42 6.0 -68.4 270 45 352.4 352.4 297.2 352.5 0.01 26 146 14411 -69.7 -74.5 49 4.8 -69.7 268 44 352.7 352.7 297.3 352.8 0.01 27 126 15278 -73.1 -82.1 24 9.0 -73.1 260 44 361.8 361.8 299.1 361.8 0.00 28 104 16378 -80.3 -88.3 25 8.0 -80.3 240 46 368.4 368.4 300.3 368.4 0.00 29 101 16544 -78.9 -87.9 22 9.0 -78.9 229 45 374.2 374.2 301.3 374.2 0.00 30 100 16600 -78.7 -87.7 22 9.0 -78.7 225 45 375.7 375.7 301.5 375.7 0.00 31 92 17078 -76.7 -87.7 16 11.0 -76.7 217 30 388.7 388.7 303.6 388.7 0.00 32 80 17872 -81.7 -88.7 29 7.0 -81.7 270 7 394.2 394.3 304.4 394.3 0.00 33 76 18160 -81.7 -89.7 24 8.0 -81.7 273 13 400.1 400.1 305.2 400.1 0.00 34 74 18311 -78.3 -89.3 15 11.0 -78.3 275 15 410.3 410.3 306.6 410.3 0.00 35 70 18630 -76.5 -90.5 9 14.0 -76.6 305 20 420.7 420.7 307.8 420.7 0.00 36 69 18713 -76.3 -90.3 9 14.0 -76.3 305 20 422.9 422.9 308.0 422.9 0.00 37 67 18885 -71.3 -89.3 5 18.0 -71.4 305 20 437.3 437.3 309.6 437.3 0.00 38 63 19247 -72.7 -90.7 5 18.0 -72.8 295 20 442.0 442.0 310.1 442.0 0.00 39 50 20620 -67.9 -89.9 3 22.0 -68.1 140 20 483.5 483.5 313.7 483.5 0.00 40 49 20742 -66.7 -89.7 3 23.0 -67.0 140 17 489.1 489.1 314.1 489.1 0.00 TRP 104 16378 -80.3 -88.3 25 8.0 -80.3 240 46 368.4 368.4 300.3 368.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 556.64 mb = 5042.05 m = 16541.97 ft Wetbulb zero: 592.18 mb = 4536.37 m = 14882.93 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 73.71 % Est. max temperature: 33.32 C = 91.98 F Sfc-Lift cond lev (LCL): 982.51 mb = 249.82 m = 819.59 ft T: 24.54 C 700-500 lapse rate: 5.90 C/km ThetaE index: 9.30 C Layer 929.0- 850.0 mb Conv cond level (CCL): 851.08 mb = 1502.00 m = 4927.76 ft Mean mixing ratio: 17.15 g/kg Conv temperature: 33.04 C = 91.47 F Cap Strength: 1.86 C Lifted Index: -3.06 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.66 C Lifted Index @700 mb: -0.38 C Showalter Index: -1.65 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 21.50 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -3.48 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 962.33 J/kg Max Up Vert Vel: 43.87 m/s Conv Inhibition (B-): 70.31 J/kg Cap Strength: 1.86 C Lift Cond Lev (LCL): 923.52 mb = 791.98 m = 2598.34 ft Lev Free Conv (LFC): 728.52 mb = 2822.07 m = 9258.64 ft Equ Level (EL): 158.52 mb = 13914.33 m = 45650.12 ft B at Equ Level: 956.79 J/kg Max Parcel Lev (MPL): 98.52 mb = 16685.61 m = 54742.14 ft Wind level data Storm motion: 332 at 11 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 ---------------------------------------------------------- 0 995 139 120 2 -1.7 1.0 | 148 13 -7.1 11.1 1 976 305 55 6 -4.9 -3.4 | 123 12 -10.3 6.7 2 943 610 5 10 -0.9 -10.0 | 91 6 -6.2 0.2 3 925 778 360 10 -0.0 -10.0 | 91 5 -5.3 0.1 4 911 914 5 11 -1.0 -11.0 | 82 6 -6.3 -0.8 5 879 1219 10 10 -1.7 -9.8 | 92 7 -7.1 0.3 6 850 1513 315 4 2.8 -2.8 | 161 8 -2.5 7.3 7 819 1829 300 10 8.7 -5.0 | 213 6 3.3 5.1 8 790 2134 295 12 10.9 -5.1 | 228 7 5.5 5.0 9 762 2438 295 14 12.7 -5.9 | 240 8 7.3 4.2 10 735 2743 310 15 11.5 -9.6 | 266 6 6.1 0.5 11 700 3161 320 17 10.9 -13.0 | 297 6 5.6 -2.9 12 658 3658 325 20 11.5 -16.4 | 316 9 6.1 -6.3 13 611 4267 295 19 17.2 -8.0 | 260 12 11.9 2.1 14 588 4572 285 19 18.4 -4.9 | 248 14 13.0 5.2 15 526 5486 275 23 22.9 -2.0 | 245 19 17.6 8.1 16 500 5890 270 17 17.0 -0.0 | 229 15 11.7 10.1 17 487 6096 275 18 17.9 -1.6 | 236 15 12.6 8.5 18 468 6401 260 22 21.7 3.8 | 230 21 16.3 13.9 19 450 6706 270 25 25.0 -0.0 | 243 22 19.7 10.1 20 400 7610 235 35 28.7 20.1 | 218 38 23.3 30.2 21 383 7925 230 40 30.6 25.7 | 215 44 25.3 35.8 22 367 8230 240 38 32.9 19.0 | 223 40 27.6 29.1 23 324 9144 250 49 46.0 16.8 | 237 49 40.7 26.9 24 300 9710 250 48 45.1 16.4 | 236 48 39.8 26.5 25 273 10363 250 48 45.1 16.4 | 236 48 39.8 26.5 26 250 10970 275 55 54.8 -4.8 | 264 50 49.4 5.3 27 218 11887 290 53 49.8 -18.1 | 280 45 44.5 -8.0 28 200 12460 285 55 53.1 -14.2 | 275 48 47.8 -4.1 29 163 13716 280 57 56.1 -9.9 | 270 51 50.8 0.2 30 150 14250 270 45 45.0 -0.0 | 256 41 39.7 10.1 31 133 14935 260 41 40.4 7.1 | 244 39 35.0 17.2 32 114 15850 260 48 47.3 8.3 | 246 46 41.9 18.5 33 104 16378 240 46 39.8 23.0 | 226 48 34.5 33.1 34 100 16600 225 45 31.8 31.8 | 212 50 26.5 41.9 35 97 16764 225 45 31.8 31.8 | 212 50 26.5 41.9 36 87 17374 210 15 7.5 13.0 | 185 23 2.2 23.1 37 83 17678 270 1 1.0 -0.0 | 157 11 -4.3 10.1 38 78 17983 270 11 11.0 -0.0 | 209 12 5.7 10.1 39 70 18593 280 19 18.7 -3.3 | 243 15 13.4 6.8 40 70 18630 305 20 16.4 -11.5 | 277 11 11.0 -1.4 41 67 18898 305 20 16.4 -11.5 | 277 11 11.0 -1.4 42 64 19202 300 20 17.3 -10.0 | 269 12 12.0 0.1 43 57 19812 245 24 21.8 10.1 | 219 26 16.4 20.3 44 54 20117 225 12 8.5 8.5 | 190 19 3.1 18.6 45 52 20422 145 2 -1.1 1.6 | 151 13 -6.5 11.8 46 50 20620 140 20 -12.9 15.3 | 144 31 -18.2 25.4 47 49 20726 140 17 -10.9 13.0 | 145 28 -16.3 23.1 48 46 21031 140 20 -12.9 15.3 | 144 31 -18.2 25.4 Wind Parameters Mean winds (0-6000m): 302.2 at 15.3 knts Storm direction: 332.2 at 11.4 knts Shear (0-3000m) pos: 1.4 neg: 2.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 148.3 deg Storm rel helicity (0-3000m) pos: 38.0 neg: -33.7 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.0 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 26.89 Bulk Shear: 35.79 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 30 7 116 10| 0.0 11.3 11.3| 0.0 -32.4 -32.4 -64.8 -0.77| 14.5-11.1 1000 13 9 103 8| 0.4 5.7 6.1| 1.3 -33.7 -32.3 -32.3 -0.65| 8.6 -5.6 1500 7 8 108 7| 0.3 3.1 3.4| 14.3 -33.7 -19.3 -12.9 -0.08| 9.5 -0.7 2000 347 9 118 4| 0.2 3.8 4.0| 23.1 -33.7 -10.5 -5.3 0.10| 8.7 0.9 2500 330 10 161 2| 0.7 3.0 3.7| 30.8 -33.7 -2.9 -1.1 0.19| 7.9 1.5 3000 325 11 206 2| 1.4 2.5 3.9| 38.0 -33.7 4.4 1.5 0.27| 7.4 2.0 4000 322 13 270 2| 1.5 2.4 3.8| 42.8 -53.2 -10.4 -2.6 0.12| 7.0 0.8 5000 311 14 262 5| 1.2 2.5 3.7| 42.8 -69.9 -27.1 -5.4 0.02| 6.5 0.1 6000 302 15 255 8| 1.0 1.9 2.9| 47.8 -92.7 -44.9 -7.5 -0.03| 6.2 -0.2 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250417.12.gif