UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for SZ554... Searching the city database file for: SZ554 ... Date:1200Z 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 80 10 1 SFC 993 142 27.0 24.5 86 2.5 25.2 10 1 300.8 304.4 298.5 359.2 19.86 2 978 277 25.4 24.1 93 1.3 24.5 35 5 300.5 304.1 298.4 358.3 19.68 3 925 767 23.4 20.6 84 2.8 21.4 345 17 303.2 306.3 297.3 352.9 16.74 4 909 920 22.8 18.1 75 4.7 19.5 340 17 304.1 306.8 296.0 347.4 14.53 5 850 1503 19.4 15.8 80 3.6 17.0 330 21 306.5 309.0 295.9 346.7 13.40 6 722 2891 11.0 9.3 89 1.7 9.9 315 20 311.9 313.8 295.1 343.4 10.25 7 700 3150 10.2 7.1 81 3.1 8.3 305 19 313.8 315.5 294.8 342.0 9.08 8 638 3916 5.4 3.4 87 2.0 4.2 296 15 316.8 318.2 294.6 341.0 7.69 9 584 4637 2.4 -9.6 41 12.0 -3.0 313 23 321.4 322.0 292.2 331.8 3.16 10 567 4876 0.8 -14.2 32 15.0 -5.2 301 26 322.2 322.7 291.6 329.8 2.25 11 562 4947 0.8 -7.2 55 8.0 -3.0 297 23 323.0 323.8 293.3 336.1 3.96 12 544 5209 -0.3 -17.3 26 17.0 -6.7 286 11 324.7 325.1 292.0 331.0 1.81 13 500 5880 -4.3 -28.3 13 24.0 -11.0 325 10 327.8 327.9 291.9 330.5 0.74 14 492 6007 -5.3 -34.3 8 29.0 -12.2 319 10 328.1 328.2 291.6 329.7 0.43 15 438 6910 -10.3 -49.3 2 39.0 -16.4 280 5 332.8 332.9 292.6 333.2 0.10 16 400 7600 -16.1 -47.1 5 31.0 -20.6 265 13 334.1 334.1 293.0 334.6 0.14 17 375 8080 -19.9 -53.9 3 34.0 -23.7 248 13 335.3 335.3 293.2 335.5 0.07 18 327 9082 -24.7 -61.7 2 37.0 -27.8 255 22 342.0 342.0 294.8 342.2 0.03 19 300 9700 -29.9 -63.9 2 34.0 -32.1 255 26 343.2 343.2 295.1 343.3 0.02 20 254 10871 -38.7 -60.7 8 22.0 -39.8 234 30 347.0 347.0 296.0 347.1 0.04 21 250 10980 -39.7 -57.7 13 18.0 -40.7 230 32 347.0 347.1 296.0 347.3 0.06 22 239 11285 -42.5 -48.5 52 6.0 -42.9 230 32 347.3 347.4 296.2 348.1 0.20 23 215 11989 -48.7 -55.7 44 7.0 -49.0 248 39 348.4 348.4 296.4 348.8 0.09 24 205 12300 -50.9 -59.9 34 9.0 -51.2 256 42 349.7 349.7 296.6 349.9 0.06 25 200 12460 -52.1 -61.1 33 9.0 -52.4 260 44 350.3 350.3 296.7 350.5 0.05 26 173 13378 -59.7 -63.1 64 3.4 -59.7 260 40 352.5 352.6 297.2 352.7 0.05 27 165 13671 -62.3 -67.3 51 5.0 -62.4 260 39 353.0 353.0 297.3 353.1 0.03 28 150 14250 -67.3 -70.9 60 3.6 -67.3 260 36 354.2 354.2 297.5 354.2 0.02 29 148 14331 -68.1 -71.3 63 3.2 -68.1 260 36 354.1 354.1 297.5 354.2 0.02 30 123 15414 -78.3 -82.3 52 4.0 -78.3 271 42 354.8 354.8 297.7 354.8 0.00 31 103 16425 -79.1 -84.1 44 5.0 -79.1 263 36 371.7 371.7 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 548.91 mb = 5137.22 m = 16854.18 ft Wetbulb zero: 606.24 mb = 4332.44 m = 14213.88 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 68.74 % Est. max temperature: 32.98 C = 91.37 F Sfc-Lift cond lev (LCL): 958.07 mb = 458.13 m = 1503.04 ft T: 24.66 C 700-500 lapse rate: 5.31 C/km ThetaE index: 29.44 C Layer 978.0- 562.0 mb Conv cond level (CCL): 860.83 mb = 1392.94 m = 4569.96 ft Mean mixing ratio: 17.37 g/kg Conv temperature: 32.27 C = 90.08 F Cap Strength: 1.76 C Lifted Index: -2.68 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.55 C Lifted Index @700 mb: -1.42 C Showalter Index: -0.16 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 20.10 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 241.60 Risk: None Energy Index: -3.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1234.24 J/kg Max Up Vert Vel: 49.68 m/s Conv Inhibition (B-): 36.05 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 906.85 mb = 940.35 m = 3085.11 ft Lev Free Conv (LFC): 801.85 mb = 1999.03 m = 6558.41 ft Equ Level (EL): 151.85 mb = 14175.71 m = 46507.68 ft B at Equ Level: 1232.53 J/kg Wind level data Storm motion: 346 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 ---------------------------------------------------------- 0 993 142 10 1 -0.2 -1.0 | 164 12 -3.3 11.4 1 975 305 40 6 -3.9 -4.6 | 138 10 -7.0 7.8 2 942 610 360 13 -0.0 -13.0 | 78 3 -3.1 -0.6 3 925 767 345 17 4.4 -16.4 | 342 4 1.3 -4.1 4 909 914 340 17 5.8 -16.0 | 323 5 2.7 -3.6 5 878 1219 335 23 9.7 -20.8 | 322 11 6.6 -8.5 6 850 1503 330 21 10.5 -18.2 | 308 9 7.4 -5.8 7 789 2134 315 20 14.1 -14.1 | 279 11 11.0 -1.8 8 761 2438 315 18 12.7 -12.7 | 272 10 9.6 -0.4 9 708 3048 315 21 14.8 -14.8 | 282 12 11.7 -2.5 10 700 3150 305 19 15.6 -10.9 | 263 13 12.5 1.5 11 633 3962 295 15 13.6 -6.3 | 240 12 10.5 6.0 12 610 4267 305 20 16.4 -11.5 | 266 13 13.3 0.9 13 587 4572 315 23 16.3 -16.3 | 287 14 13.2 -3.9 14 566 4877 300 26 22.5 -13.0 | 272 19 19.4 -0.6 15 545 5182 285 11 10.6 -2.8 | 218 12 7.5 9.5 16 506 5791 325 10 5.7 -8.2 | 212 5 2.6 4.2 17 500 5880 325 10 5.7 -8.2 | 212 5 2.6 4.2 18 486 6096 315 10 7.1 -7.1 | 217 7 4.0 5.3 19 467 6401 305 10 8.2 -5.7 | 217 8 5.1 6.6 20 432 7010 275 4 4.0 -0.3 | 184 12 0.9 12.0 21 415 7315 310 10 7.7 -6.4 | 217 7 4.5 5.9 22 400 7600 265 13 13.0 1.1 | 216 17 9.8 13.5 23 383 7925 255 13 12.6 3.4 | 211 18 9.4 15.7 24 367 8230 240 14 12.1 7.0 | 205 21 9.0 19.4 25 352 8534 270 15 15.0 -0.0 | 224 17 11.9 12.4 26 311 9449 245 27 24.5 11.4 | 222 32 21.4 23.8 27 300 9700 255 26 25.1 6.7 | 229 29 22.0 19.1 28 285 10058 260 27 26.6 4.7 | 234 29 23.5 17.0 29 261 10668 240 26 22.5 13.0 | 217 32 19.4 25.4 30 250 10980 230 32 24.5 20.6 | 213 39 21.4 32.9 31 239 11278 230 32 24.5 20.6 | 213 39 21.4 32.9 32 200 12460 260 44 43.3 7.6 | 244 45 40.2 20.0 33 199 12497 260 44 43.3 7.6 | 244 45 40.2 20.0 34 150 14250 260 36 35.5 6.3 | 240 37 32.3 18.6 35 134 14935 260 38 37.4 6.6 | 241 39 34.3 19.0 36 115 15850 280 45 44.3 -7.8 | 264 41 41.2 4.5 37 109 16154 290 41 38.5 -14.0 | 273 35 35.4 -1.7 38 98 16764 240 32 27.7 16.0 | 221 38 24.6 28.4 Wind Parameters Mean winds (0-6000m): 315.9 at 17.0 knts Storm direction: 345.9 at 12.7 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 5.1 neg: -65.9 tot: -60.7 m^2/s^2 ave: -20.2 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 44.34 Bulk Shear: 27.84 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 8 134 7| 0.0 13.2 13.2| 0.0 -25.1 -25.1 -50.2 -0.78| 16.4-12.8 1000 351 13 79 1| 0.0 10.6 10.6| 0.0 -30.1 -30.1 -30.1 -0.70| 13.6 -9.5 1500 342 16 326 3| 0.0 6.9 6.9| 0.0 -39.8 -39.8 -26.6 -0.70| 10.9 -7.6 2000 335 17 308 5| 0.0 5.0 5.0| 0.0 -50.8 -50.8 -25.4 -0.73| 9.2 -6.7 2500 331 17 297 6| 0.0 3.8 3.8| 1.7 -54.1 -52.4 -21.0 -0.69| 8.0 -5.5 3000 327 18 292 7| 0.0 3.2 3.2| 5.1 -65.9 -60.7 -20.2 -0.66| 7.6 -5.0 4000 321 18 278 8| 0.2 2.1 2.3| 15.7 -82.5 -66.8 -16.7 -0.59| 6.8 -4.0 5000 317 18 276 10| 0.9 1.1 1.9| 39.1-147.1-108.0 -21.6 -0.50| 8.2 -4.1 6000 316 17 269 9| 1.0 0.9 1.9| 40.6-153.8-113.2 -18.9 -0.46| 7.8 -3.6 Wrote GIF file: /home/apache/climate/data/raob//SZ554/skewt/SZ554.skewt.20250426.12.gif