UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:0000Z 26 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 45 SFC 989 143 26.4 25.0 92 1.4 25.4 15 4 300.5 304.3 298.9 361.0 20.56 2 977 251 27.6 24.1 81 3.5 25.0 35 6 302.8 306.4 299.0 361.3 19.70 3 925 734 24.6 20.5 78 4.1 21.6 350 9 304.5 307.5 297.5 354.1 16.63 4 850 1475 20.8 16.4 76 4.4 17.8 310 16 307.9 310.5 296.7 350.1 13.94 5 824 1744 19.4 15.1 76 4.3 16.4 311 18 309.2 311.7 296.5 349.4 13.21 6 749 2558 13.0 11.8 92 1.2 12.2 294 21 310.8 313.0 295.9 346.6 11.70 7 700 3125 10.0 8.1 88 1.9 8.8 290 22 313.6 315.4 295.2 343.7 9.74 8 614 4205 4.6 -0.4 70 5.0 1.9 293 23 319.3 320.5 294.0 338.8 6.06 9 586 4586 4.2 -23.8 11 28.0 -5.1 287 20 323.2 323.3 290.7 326.5 0.95 10 559 4968 1.8 -15.2 27 17.0 -5.0 282 18 324.7 325.1 292.2 331.9 2.10 11 553 5056 1.8 -27.2 9 29.0 -7.0 282 18 325.7 325.9 291.3 328.4 0.74 12 543 5203 0.4 -14.6 31 15.0 -5.7 280 17 325.7 326.2 292.7 333.5 2.27 13 513 5657 -2.5 -25.5 15 23.0 -9.5 286 12 327.6 327.8 292.0 330.9 0.94 14 500 5860 -4.3 -19.3 30 15.0 -9.6 280 11 327.8 328.1 292.7 333.6 1.66 15 495 5939 -5.1 -15.1 45 10.0 -9.0 278 10 327.8 328.2 293.3 336.0 2.39 16 485 6098 -5.7 -32.7 10 27.0 -12.4 275 9 328.9 329.0 291.9 330.8 0.50 17 476 6245 -6.3 -21.3 29 15.0 -11.3 270 9 330.0 330.3 293.1 335.2 1.47 18 437 6907 -10.1 -51.1 2 41.0 -16.4 269 11 333.3 333.3 292.7 333.6 0.08 19 400 7580 -15.3 -51.3 3 36.0 -20.2 240 11 335.1 335.1 293.2 335.4 0.08 20 361 8349 -21.3 -53.3 4 32.0 -24.8 270 20 337.1 337.1 293.7 337.4 0.07 21 357 8431 -20.9 -60.9 1 40.0 -24.7 271 21 338.7 338.7 294.0 338.8 0.03 22 300 9700 -29.1 -66.1 2 37.0 -31.5 275 34 344.4 344.4 295.4 344.4 0.02 23 257 10781 -37.1 -66.1 3 29.0 -38.5 263 43 348.1 348.2 296.3 348.2 0.02 24 250 10970 -38.9 -64.9 5 26.0 -40.1 255 47 348.2 348.2 296.3 348.3 0.02 25 200 12460 -51.9 -67.9 13 16.0 -52.2 270 53 350.6 350.6 296.8 350.7 0.02 26 178 13204 -58.9 -70.9 20 12.0 -59.0 271 51 351.0 351.0 296.8 351.1 0.02 27 150 14260 -66.9 -72.9 42 6.0 -67.0 275 43 354.8 354.8 297.7 354.9 0.01 28 148 14341 -67.7 -73.7 42 6.0 -67.7 276 43 354.8 354.8 297.7 354.9 0.01 29 131 15061 -73.3 -79.3 39 6.0 -73.3 281 45 357.4 357.4 298.2 357.4 0.01 30 101 16544 -81.9 -86.5 45 4.6 -81.9 271 27 368.4 368.4 300.3 368.4 0.00 31 100 16600 -82.1 -87.0 43 4.9 -82.1 270 26 369.1 369.1 300.4 369.1 0.00 32 92 17075 -76.7 -86.7 19 10.0 -76.7 270 20 388.7 388.7 303.6 388.7 0.00 33 83 17665 -79.5 -89.5 18 10.0 -79.5 288 13 394.6 394.6 304.5 394.6 0.00 34 70 18640 -77.3 -90.3 11 13.0 -77.3 130 4 419.0 419.0 307.6 419.0 0.00 35 60 19529 -75.3 -91.3 6 16.0 -75.3 44 10 442.4 442.4 310.1 442.4 0.00 36 53 20268 -64.3 -92.3 1 28.0 -64.6 291 11 483.8 483.8 313.8 483.8 0.00 TRP 100 16600 -82.1 -87.0 43 4.9 -82.1 270 26 369.1 369.1 300.4 369.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 538.86 mb = 5265.17 m = 17273.97 ft Wetbulb zero: 606.39 mb = 4306.89 m = 14130.04 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 64.56 % Est. max temperature: 34.34 C = 93.82 F Sfc-Lift cond lev (LCL): 969.57 mb = 318.41 m = 1044.63 ft T: 27.18 C 700-500 lapse rate: 5.23 C/km ThetaE index: 34.74 C Layer 925.0- 559.0 mb Conv cond level (CCL): 827.45 mb = 1707.46 m = 5601.82 ft Mean mixing ratio: 17.58 g/kg Conv temperature: 34.91 C = 94.84 F Cap Strength: 2.03 C Lifted Index: -3.56 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.10 C Lifted Index @700 mb: -2.27 C Showalter Index: -1.39 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 20.70 C K Index: 39.60 Risk: > 80 % chance of thunderstorms Sweat Index: 239.80 Risk: None Energy Index: -3.16 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1557.45 J/kg Max Up Vert Vel: 55.81 m/s Conv Inhibition (B-): 57.39 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 888.82 mb = 1083.64 m = 3555.21 ft Lev Free Conv (LFC): 783.82 mb = 2169.98 m = 7119.26 ft Equ Level (EL): 133.82 mb = 14935.35 m = 48999.91 ft B at Equ Level: 1547.87 J/kg Max Parcel Lev (MPL): 73.82 mb = 18335.92 m = 60156.49 ft Wind level data Storm motion: 328 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 ---------------------------------------------------------- 0 989 143 15 4 -1.0 -3.9 | 132 11 -8.0 7.2 1 971 305 45 7 -4.9 -4.9 | 117 13 -11.9 6.2 2 938 610 350 11 1.9 -10.8 | 93 5 -5.1 0.3 3 925 734 350 9 1.6 -8.9 | 113 6 -5.4 2.2 4 906 914 350 9 1.6 -8.9 | 113 6 -5.4 2.2 5 875 1219 305 11 9.0 -6.3 | 203 5 2.0 4.8 6 850 1475 310 16 12.3 -10.3 | 261 5 5.3 0.8 7 845 1524 315 17 12.0 -12.0 | 280 5 5.0 -0.9 8 787 2134 305 21 17.2 -12.0 | 275 10 10.2 -0.9 9 759 2438 295 20 18.1 -8.5 | 257 11 11.1 2.7 10 706 3048 290 25 23.5 -8.6 | 261 17 16.5 2.6 11 700 3125 290 22 20.7 -7.5 | 255 14 13.7 3.6 12 631 3962 300 27 23.4 -13.5 | 278 17 16.4 -2.4 13 608 4267 290 22 20.7 -7.5 | 255 14 13.7 3.6 14 544 5182 280 17 16.7 -3.0 | 230 13 9.8 8.2 15 524 5486 290 12 11.3 -4.1 | 212 8 4.3 7.0 16 500 5860 280 11 10.8 -1.9 | 203 10 3.9 9.2 17 485 6096 275 9 9.0 -0.8 | 191 11 2.0 10.3 18 466 6401 265 10 10.0 0.9 | 194 12 3.0 12.0 19 448 6706 285 10 9.7 -2.6 | 197 9 2.7 8.5 20 414 7315 235 13 10.6 7.5 | 191 19 3.7 18.6 21 400 7580 240 11 9.5 5.5 | 189 17 2.5 16.6 22 398 7620 235 11 9.0 6.3 | 187 18 2.0 17.4 23 366 8230 270 19 19.0 -0.0 | 227 16 12.0 11.1 24 300 9700 275 34 33.9 -3.0 | 253 28 26.9 8.1 25 273 10363 280 34 33.5 -5.9 | 259 27 26.5 5.2 26 250 10970 255 47 45.4 12.2 | 239 45 38.4 23.3 27 239 11278 255 47 45.4 12.2 | 239 45 38.4 23.3 28 200 12460 270 53 53.0 -0.0 | 256 47 46.0 11.1 29 189 12802 270 54 54.0 -0.0 | 257 48 47.0 11.1 30 150 14260 275 43 42.8 -3.7 | 258 37 35.9 7.4 31 120 15545 285 47 45.4 -12.2 | 272 38 38.4 -1.1 32 100 16600 270 26 26.0 -0.0 | 240 22 19.0 11.1 33 97 16764 270 26 26.0 -0.0 | 240 22 19.0 11.1 34 87 17374 270 14 14.0 -0.0 | 212 13 7.0 11.1 35 74 18288 325 12 6.9 -9.8 | 176 1 -0.1 1.3 36 70 18640 130 4 -3.1 2.6 | 144 17 -10.0 13.7 37 67 18898 70 3 -2.8 -1.0 | 136 14 -9.8 10.1 38 63 19202 90 10 -10.0 0.0 | 123 20 -17.0 11.1 39 59 19507 30 10 -5.0 -8.7 | 102 12 -12.0 2.4 40 53 20117 285 11 10.6 -2.8 | 204 9 3.6 8.3 41 47 20726 10 6 -1.0 -5.9 | 123 10 -8.0 5.2 Wind Parameters Mean winds (0-6000m): 297.9 at 17.5 knts Storm direction: 327.9 at 13.1 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 123.7 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -36.7 tot: -16.4 m^2/s^2 ave: -5.5 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 0.5 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 38.69 Bulk Shear: 40.25 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 14 8 111 10| 0.0 7.2 7.2| 0.2 -19.4 -19.2 -38.4 -0.52| 12.8 -6.7 1000 356 9 111 7| 0.0 4.7 4.7| 6.5 -19.4 -12.8 -12.8 -0.02| 10.3 -0.2 1500 334 11 124 3| 0.0 5.6 5.6| 16.5 -19.5 -3.0 -2.0 0.26| 10.1 2.6 2000 323 13 222 1| 0.0 5.1 5.1| 16.5 -21.2 -4.7 -2.4 0.20| 8.7 1.8 2500 315 14 255 3| 0.0 4.4 4.4| 18.1 -30.9 -12.8 -5.1 0.10| 8.0 0.8 3000 309 16 259 6| 0.0 3.8 3.8| 20.3 -36.7 -16.4 -5.5 0.07| 7.8 0.5 4000 304 18 264 8| 0.5 2.7 3.2| 43.9 -51.3 -7.4 -1.8 0.10| 7.1 0.7 5000 300 19 259 9| 0.4 1.7 2.1| 43.9 -80.8 -36.8 -7.4 -0.04| 6.6 -0.3 6000 298 17 251 9| 0.5 1.3 1.8| 43.9 -98.8 -54.8 -9.1 -0.13| 6.3 -0.8 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250426.00.gif