UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 17 APR 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 117 1 925 800 SFC 913 908 18.2 17.4 95 0.8 17.7 80 5 299.0 301.6 294.1 339.3 13.82 3 901 1022 17.6 17.1 97 0.5 17.2 100 5 299.5 302.1 294.3 339.7 13.74 4 850 1524 15.6 14.1 91 1.5 14.6 190 3 302.5 304.7 293.8 338.0 11.99 5 842 1604 15.8 13.2 85 2.6 14.1 200 3 303.5 305.6 293.7 337.4 11.40 6 700 3147 6.2 3.6 83 2.6 4.7 280 12 309.4 310.7 292.0 331.2 7.10 7 647 3786 1.4 -0.3 88 1.7 0.5 295 12 311.0 312.1 291.4 329.0 5.79 8 624 4078 2.4 -18.6 19 21.0 -5.0 308 11 315.3 315.6 288.8 320.1 1.41 9 500 5830 -9.1 -42.1 5 33.0 -14.9 270 16 321.9 322.0 289.6 322.7 0.19 10 475 6226 -10.9 -45.9 4 35.0 -16.4 255 18 324.5 324.5 290.3 325.0 0.13 11 400 7520 -21.3 -53.3 4 32.0 -24.6 260 23 327.3 327.3 291.0 327.6 0.07 12 394 7631 -22.1 -54.1 4 32.0 -25.2 260 21 327.7 327.7 291.1 327.9 0.06 13 341 8676 -28.1 -62.1 2 34.0 -30.4 274 35 333.3 333.3 292.6 333.4 0.03 14 300 9580 -34.3 -55.3 10 21.0 -35.7 270 66 337.0 337.0 293.6 337.3 0.07 15 287 9890 -36.9 -56.9 11 20.0 -38.1 270 73 337.6 337.6 293.8 337.9 0.06 16 261 10546 -40.7 -68.7 3 28.0 -41.6 270 80 341.3 341.3 294.7 341.4 0.01 17 250 10840 -42.5 -69.5 4 27.0 -43.3 270 82 342.9 342.9 295.0 342.9 0.01 18 200 12310 -53.3 -73.3 7 20.0 -53.6 275 93 348.4 348.4 296.3 348.4 0.01 19 175 13154 -59.9 -75.9 11 16.0 -60.0 273 94 351.1 351.1 296.8 351.1 0.01 20 150 14100 -66.3 -80.3 12 14.0 -66.4 270 96 355.9 355.9 297.9 355.9 0.00 21 149 14141 -66.4 -80.4 12 14.0 -66.5 270 96 356.3 356.3 298.0 356.3 0.00 22 104 16290 -73.7 -87.7 10 14.0 -73.7 265 75 381.0 381.0 302.4 381.0 0.00 23 101 16462 -73.7 -87.7 10 14.0 -73.7 261 70 384.2 384.2 302.9 384.2 0.00 24 100 16520 -73.5 -87.5 10 14.0 -73.5 260 68 385.7 385.7 303.2 385.7 0.00 25 85 17465 -75.5 -89.5 9 14.0 -75.5 275 41 400.0 400.0 305.2 400.0 0.00 26 70 18600 -71.7 -89.7 5 18.0 -71.8 280 34 431.0 431.0 308.9 431.0 0.00 27 69 18685 -72.1 -90.1 5 18.0 -72.2 279 33 431.9 431.9 309.0 431.9 0.00 28 64 19134 -67.3 -90.3 2 23.0 -67.5 275 29 451.8 451.8 311.0 451.8 0.00 29 59 19625 -67.9 -89.9 3 22.0 -68.1 298 22 461.1 461.1 311.9 461.1 0.00 30 54 20166 -61.9 -88.9 2 27.0 -62.3 264 19 486.8 486.8 314.0 486.8 0.00 31 51 20518 -64.3 -89.3 2 25.0 -64.6 245 9 489.2 489.2 314.2 489.2 0.00 32 50 20640 -63.5 -89.5 2 26.0 -63.8 250 4 493.8 493.8 314.5 493.9 0.00 33 43 21576 -57.9 -86.9 1 29.0 -58.7 192 3 529.4 529.4 316.9 529.4 0.00 34 30 23850 -56.1 -86.1 1 30.0 -57.5 110 15 591.7 591.7 320.2 591.8 0.01 35 23 25551 -53.1 -84.1 1 31.0 -55.5 63 13 647.2 647.2 322.6 647.3 0.01 36 22 25837 -53.3 -84.3 1 31.0 -55.7 81 13 654.9 654.9 322.9 655.0 0.01 TRP 104 16290 -73.7 -87.7 10 14.0 -73.7 265 75 381.0 381.0 302.4 381.0 0.00 WND 149 14141 -66.4 -80.4 12 14.0 -66.5 270 96 356.3 356.3 298.0 356.3 0.00 Sounding variables and indices 1000-500 mb thick: 5713.00 m Freezing level: 598.12 mb = 4443.66 m = 14578.77 ft Wetbulb zero: 644.94 mb = 3811.94 m = 12506.22 ft Precipitable water: 1.10 inches Sfc-500 mean rel hum: 57.29 % Est. max temperature: 25.63 C = 78.13 F Sfc-Lift cond lev (LCL): 902.50 mb = 1008.07 m = 3307.26 ft T: 17.68 C 700-500 lapse rate: 5.70 C/km ThetaE index: 19.61 C Layer 850.0- 500.0 mb Conv cond level (CCL): 809.00 mb = 1938.29 m = 6359.15 ft Mean mixing ratio: 12.29 g/kg Conv temperature: 23.82 C = 74.88 F Cap Strength: 1.48 C Lifted Index: -1.56 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.90 C Lifted Index @700 mb: -0.91 C Showalter Index: -1.44 C Risk: Thunderstorms probable Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 23.20 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 191.20 Risk: None Energy Index: -2.96 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 324.43 J/kg Max Up Vert Vel: 25.47 m/s Conv Inhibition (B-): 25.82 J/kg Cap Strength: 1.39 C Lift Cond Lev (LCL): 843.13 mb = 1592.90 m = 5225.98 ft Lev Free Conv (LFC): 748.13 mb = 2591.56 m = 8502.39 ft Equ Level (EL): 318.13 mb = 9165.74 m = 30070.97 ft B at Equ Level: 322.51 J/kg Max Parcel Lev (MPL): 218.13 mb = 11738.27 m = 38510.93 ft Wind level data Storm motion: 306 at 9 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 ---------------------------------------------------------- 0 913 908 80 5 -4.9 -0.9 | 110 13 -12.0 4.2 1 850 1524 190 3 0.5 3.0 | 141 10 -6.5 8.1 2 790 2134 270 3 3.0 -0.0 | 142 7 -4.0 5.1 3 762 2438 255 7 6.8 1.8 | 178 7 -0.3 6.9 4 735 2743 260 10 9.8 1.7 | 202 7 2.8 6.9 5 700 3147 280 12 11.8 -2.1 | 238 6 4.8 3.0 6 657 3658 280 12 11.8 -2.1 | 238 6 4.8 3.0 7 632 3962 320 11 7.1 -8.4 | 359 3 0.0 -3.3 8 608 4267 285 12 11.6 -3.1 | 246 5 4.6 2.0 9 542 5182 305 15 12.3 -8.6 | 304 6 5.3 -3.5 10 502 5791 275 16 15.9 -1.4 | 247 10 8.9 3.7 11 500 5830 270 16 16.0 -0.0 | 240 10 9.0 5.1 12 483 6096 255 18 17.4 4.7 | 227 14 10.4 9.8 13 400 7520 260 23 22.7 4.0 | 240 18 15.6 9.1 14 394 7620 260 21 20.7 3.6 | 237 16 13.6 8.8 15 362 8230 265 29 28.9 2.5 | 251 23 21.9 7.6 16 347 8534 275 31 30.9 -2.7 | 264 24 23.8 2.4 17 306 9449 265 59 58.8 5.1 | 259 53 51.7 10.3 18 300 9580 270 66 66.0 -0.0 | 265 59 59.0 5.1 19 280 10058 270 77 77.0 -0.0 | 266 70 70.0 5.1 20 250 10840 270 82 82.0 -0.0 | 266 75 75.0 5.1 21 245 10973 270 83 83.0 -0.0 | 266 76 76.0 5.1 22 200 12310 275 93 92.6 -8.1 | 272 86 85.6 -3.0 23 150 14100 270 96 96.0 -0.0 | 267 89 89.0 5.1 24 149 14141 270 96 96.0 -0.0 | 267 89 89.0 5.1 25 144 14326 270 96 96.0 -0.0 | 267 89 89.0 5.1 26 124 15240 275 82 81.7 -7.1 | 272 75 74.7 -2.0 27 106 16154 275 75 74.7 -6.5 | 271 68 67.7 -1.4 28 104 16290 265 75 74.7 6.5 | 260 69 67.7 11.7 29 100 16520 260 68 67.0 11.8 | 254 62 59.9 16.9 30 96 16764 260 68 67.0 11.8 | 254 62 59.9 16.9 31 82 17678 280 33 32.5 -5.7 | 271 25 25.5 -0.6 32 78 17983 295 50 45.3 -21.1 | 293 41 38.3 -16.0 33 74 18288 280 44 43.3 -7.6 | 274 36 36.3 -2.5 34 70 18600 280 34 33.5 -5.9 | 272 26 26.5 -0.8 35 63 19202 275 28 27.9 -2.4 | 263 21 20.9 2.7 36 60 19507 300 16 13.9 -8.0 | 293 7 6.8 -2.9 37 57 19812 295 30 27.2 -12.7 | 291 22 20.2 -7.6 38 55 20117 270 20 20.0 -0.0 | 248 14 13.0 5.1 39 52 20422 240 13 11.3 6.5 | 200 12 4.2 11.6 40 50 20640 250 4 3.8 1.4 | 153 7 -3.3 6.5 41 49 20726 200 6 2.1 5.6 | 155 12 -5.0 10.8 42 47 21031 275 10 10.0 -0.9 | 215 5 2.9 4.2 43 45 21336 210 2 1.0 1.7 | 139 9 -6.0 6.8 44 35 22860 100 10 -9.8 1.7 | 112 18 -16.9 6.9 45 33 23165 75 13 -12.6 -3.4 | 95 20 -19.6 1.8 46 32 23470 65 10 -9.1 -4.2 | 93 16 -16.1 0.9 47 30 23850 110 15 -14.1 5.1 | 116 23 -21.1 10.2 48 28 24079 110 15 -14.1 5.1 | 116 23 -21.1 10.2 49 26 24384 75 15 -14.5 -3.9 | 93 22 -21.5 1.2 50 24 24689 60 14 -12.1 -7.0 | 84 19 -19.2 -1.9 51 22 24994 65 13 -11.8 -5.5 | 89 19 -18.8 -0.4 52 21 25298 125 14 -11.5 8.0 | 125 23 -18.5 13.1 53 19 25603 85 16 -15.9 -1.4 | 99 23 -23.0 3.7 54 18 25908 95 15 -14.9 1.3 | 106 23 -22.0 6.4 55 16 26213 120 15 -13.0 7.5 | 122 24 -20.0 12.6 Wind Parameters Mean winds (0-6000m): 276.0 at 11.6 knts Storm direction: 306.0 at 8.7 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -134.6 deg Storm rel helicity (0-3000m) pos: 48.8 neg: -0.8 tot: 47.9 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 9.85 Bulk Shear: 32.94 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 ------------------------------------------------------------------------------- 500 101 4 118 13| 6.2 0.0 6.2| 20.8 0.0 20.8 41.6 0.93| 6.9 6.4 1000 154 4 134 12| 4.1 0.0 4.1| 24.8 0.0 24.8 24.8 0.73| 5.4 4.0 1500 211 4 148 10| 4.0 0.0 4.0| 30.7 -0.8 29.9 19.9 0.69| 5.4 3.7 2000 245 5 161 8| 4.1 0.0 4.1| 39.8 -0.8 38.9 19.5 0.76| 5.3 4.0 2500 261 6 174 6| 3.5 0.0 3.5| 43.7 -0.8 42.9 17.2 0.78| 4.8 3.7 3000 270 7 184 5| 2.5 0.0 2.5| 48.8 -0.8 47.9 16.0 0.79| 5.2 4.1 4000 281 9 203 4| 2.1 0.7 2.8| 53.8 -5.1 48.7 12.2 0.56| 5.2 2.9 5000 285 10 226 4| 1.7 1.5 3.2| 55.8 -25.0 30.8 6.2 0.28| 5.4 1.5 6000 276 12 229 6| 1.6 1.6 3.1| 64.2 -32.1 32.1 5.4 0.25| 5.1 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250417.00.gif