UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 19 APR 25 Station: SACO WMO ident: 87344 Latitude: -31.32 Longitude: -64.22 Elevation: 474.00 ------------------------------------------------------------------------------- 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 212 SFC 967 474 12.6 9.8 83 2.8 11.0 160 4 288.5 289.9 285.5 310.7 7.88 2 925 867 9.8 7.4 85 2.4 8.5 120 5 289.3 290.6 285.0 309.1 6.99 3 923 885 9.6 7.5 87 2.1 8.5 120 5 289.3 290.5 285.1 309.3 7.06 4 892 1168 8.2 1.2 61 7.0 4.8 147 5 290.7 291.5 283.1 304.2 4.68 5 856 1506 5.8 1.0 71 4.8 3.5 184 4 291.6 292.5 283.6 305.6 4.80 6 850 1564 5.4 5.0 97 0.4 5.2 190 4 291.8 292.9 285.4 310.3 6.44 7 847 1593 5.2 4.9 98 0.3 5.1 183 4 291.9 293.0 285.4 310.3 6.42 8 826 1799 5.0 -2.0 60 7.0 1.8 132 1 293.8 294.5 283.6 305.5 3.99 9 821 1849 4.8 3.5 91 1.3 4.1 137 2 294.1 295.2 285.8 311.5 6.00 10 816 1899 5.0 2.1 81 2.9 3.5 166 3 294.8 295.8 285.6 310.8 5.46 11 815 1909 5.2 1.1 75 4.1 3.2 172 3 295.1 296.0 285.3 310.0 5.08 12 812 1939 5.6 5.2 97 0.4 5.4 189 4 295.9 297.1 287.3 315.8 6.84 13 799 2072 8.8 8.7 99 0.1 8.8 265 7 300.6 302.3 290.8 326.8 8.87 14 700 3161 4.0 2.7 91 1.3 3.3 280 19 306.9 308.2 290.9 327.2 6.65 15 685 3337 3.8 0.5 79 3.3 2.1 273 18 308.6 309.7 290.7 326.5 5.80 16 657 3674 1.4 -3.0 72 4.4 -0.7 258 16 309.6 310.5 290.0 324.2 4.67 17 592 4500 -5.9 -6.0 99 0.1 -6.0 264 19 310.5 311.3 289.8 323.5 4.13 18 584 4607 -3.1 -17.1 33 14.0 -7.9 264 20 315.0 315.3 288.9 320.7 1.71 19 580 4662 -2.9 -19.9 26 17.0 -8.4 260 21 315.8 316.1 288.9 320.4 1.36 20 500 5820 -10.5 -36.5 10 26.0 -15.6 260 27 320.2 320.3 289.2 321.5 0.34 21 457 6506 -16.5 -39.5 12 23.0 -20.2 262 36 321.1 321.1 289.4 322.1 0.27 22 439 6808 -17.9 -50.9 4 33.0 -21.7 260 41 323.0 323.0 289.8 323.3 0.08 23 417 7192 -19.5 -39.5 15 20.0 -22.6 257 46 325.7 325.8 290.8 326.9 0.30 24 400 7500 -22.3 -36.3 27 14.0 -24.6 255 51 326.0 326.1 291.0 327.6 0.43 25 348 8505 -31.5 -34.9 72 3.4 -32.0 260 67 326.8 326.9 291.4 328.9 0.57 26 343 8607 -31.9 -42.9 33 11.0 -33.0 260 69 327.6 327.7 291.3 328.6 0.25 27 313 9248 -36.7 -40.2 70 3.5 -37.1 260 79 329.6 329.7 292.0 331.0 0.37 28 300 9540 -38.9 -42.6 68 3.7 -39.2 260 84 330.5 330.6 292.2 331.7 0.30 29 283 9935 -42.1 -44.6 76 2.5 -42.3 258 87 331.5 331.6 292.4 332.5 0.25 30 282 9959 -42.3 -46.8 61 4.5 -42.6 258 87 331.6 331.6 292.3 332.3 0.20 31 267 10325 -45.3 -47.4 79 2.1 -45.4 257 90 332.4 332.4 292.6 333.2 0.20 32 256 10603 -46.7 -59.7 21 13.0 -47.1 255 92 334.4 334.4 292.9 334.6 0.05 33 255 10629 -46.5 -65.5 10 19.0 -47.0 255 92 335.0 335.0 293.1 335.1 0.02 34 250 10760 -46.3 -61.3 17 15.0 -46.8 255 103 337.2 337.2 293.7 337.4 0.04 35 229 11341 -48.3 -54.3 50 6.0 -48.6 259 120 342.8 342.8 295.1 343.2 0.10 36 226 11427 -48.3 -57.3 35 9.0 -48.6 259 122 344.0 344.1 295.4 344.4 0.07 37 218 11664 -50.4 -58.2 39 7.8 -50.7 265 131 344.4 344.4 295.4 344.7 0.07 38 206 12031 -53.7 -59.7 48 6.0 -53.9 263 130 344.8 344.8 295.5 345.1 0.06 39 200 12220 -55.1 -65.1 28 10.0 -55.3 260 128 345.5 345.5 295.7 345.6 0.03 40 199 12252 -55.1 -69.1 16 14.0 -55.4 260 127 346.0 346.0 295.7 346.1 0.02 41 163 13504 -61.7 -78.7 9 17.0 -61.9 255 107 355.2 355.2 297.7 355.3 0.01 42 156 13776 -60.3 -83.3 3 23.0 -60.5 255 111 362.1 362.1 299.1 362.1 0.00 43 150 14020 -60.7 -84.7 3 24.0 -60.9 255 114 365.5 365.5 299.8 365.5 0.00 44 100 16470 -71.3 -88.3 6 17.0 -71.3 270 68 390.0 390.0 303.8 390.0 0.00 45 83 17566 -74.3 -89.3 8 15.0 -74.3 280 52 405.2 405.2 305.9 405.2 0.00 46 70 18570 -70.3 -90.3 4 20.0 -70.4 260 38 434.0 434.0 309.3 434.0 0.00 47 58 19711 -63.9 -89.9 2 26.0 -64.2 239 18 472.4 472.4 312.8 472.4 0.00 48 56 19927 -64.9 -89.9 2 25.0 -65.2 241 16 474.9 474.9 313.0 474.9 0.00 49 50 20630 -59.5 -88.5 1 29.0 -60.1 250 1 503.3 503.3 315.2 503.3 0.00 50 47 21019 -56.7 -87.7 1 31.0 -57.6 231 1 519.0 519.0 316.2 519.0 0.00 51 43 21577 -60.1 -89.1 1 29.0 -60.7 311 9 524.0 524.0 316.5 524.0 0.00 52 37 22514 -59.7 -88.7 1 29.0 -60.5 298 12 548.0 548.0 318.0 548.0 0.00 53 30 23850 -51.1 -86.1 1 35.0 -53.4 270 11 605.3 605.3 320.9 605.4 0.01 54 29 24071 -50.3 -85.3 1 35.0 -52.9 255 13 613.4 613.4 321.2 613.5 0.01 55 26 24781 -51.5 -85.5 1 34.0 -54.0 298 9 629.5 629.5 321.9 629.6 0.01 56 23 25582 -47.9 -83.9 1 36.0 -51.7 308 14 662.5 662.5 323.2 662.6 0.02 57 20 26500 -49.7 -84.7 1 35.0 -53.3 290 17 684.0 684.1 323.9 684.2 0.02 58 19 26836 -49.7 -84.7 1 35.0 -53.4 275 13 694.2 694.2 324.3 694.3 0.02 59 18 27192 -46.1 -83.1 1 37.0 -51.2 301 15 716.3 716.3 325.0 716.5 0.02 TRP 83 17566 -74.3 -89.3 8 15.0 -74.3 280 52 405.2 405.2 305.9 405.2 0.00 WND 218 11664 -50.4 -58.2 39 7.8 -50.7 265 131 344.4 344.4 295.4 344.7 0.07 Sounding variables and indices 1000-500 mb thick: 5608.00 m Freezing level: 644.53 mb = 3832.32 m = 12573.08 ft Wetbulb zero: 664.39 mb = 3583.52 m = 11756.81 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 68.79 % Est. max temperature: 18.70 C = 65.65 F Sfc-Lift cond lev (LCL): 927.08 mb = 847.15 m = 2779.34 ft T: 9.94 C 700-500 lapse rate: 5.45 C/km ThetaE index: 5.08 C Layer 892.0- 856.0 mb Conv cond level (CCL): 651.03 mb = 3746.20 m = 12290.52 ft Mean mixing ratio: 6.23 g/kg Conv temperature: 33.58 C = 92.44 F Cap Strength: 12.43 C Lifted Index: 13.39 C Risk: None Lifted Index @300 mb: 16.45 C Lifted Index @700 mb: 9.31 C Showalter Index: 11.63 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 15.90 C Cross Totals Index: 15.50 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 95.00 Risk: None Energy Index: 2.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.27 J/kg Max Up Vert Vel: 4.95 m/s Conv Inhibition (B-): 42984.73 J/kg Cap Strength: 13.33 C Lift Cond Lev (LCL): 863.44 mb = 1435.35 m = 4709.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 12 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 ---------------------------------------------------------- 0 967 474 160 4 -1.4 3.8 | 123 15 -12.5 8.2 1 952 610 140 4 -2.6 3.1 | 119 16 -13.7 7.5 2 925 867 120 5 -4.3 2.5 | 114 17 -15.4 6.9 3 920 914 120 6 -5.2 3.0 | 114 18 -16.3 7.4 4 850 1564 190 4 0.7 3.9 | 129 13 -10.4 8.3 5 823 1829 125 1 -0.8 0.6 | 113 13 -11.9 5.0 6 793 2134 300 9 7.8 -4.5 | 88 3 -3.3 -0.1 7 764 2438 290 15 14.1 -5.1 | 284 3 3.0 -0.7 8 710 3048 285 17 16.4 -4.4 | 270 5 5.3 -0.0 9 700 3161 280 19 18.7 -3.3 | 262 8 7.6 1.1 10 632 3962 245 15 13.6 6.3 | 193 11 2.5 10.7 11 609 4267 260 18 17.7 3.1 | 221 10 6.6 7.5 12 586 4572 265 20 19.9 1.7 | 235 11 8.8 6.1 13 563 4877 245 23 20.8 9.7 | 215 17 9.8 14.1 14 542 5182 250 17 16.0 5.8 | 206 11 4.9 10.2 15 500 5820 260 27 26.6 4.7 | 240 18 15.5 9.1 16 482 6096 265 30 29.9 2.6 | 250 20 18.8 7.0 17 400 7500 255 51 49.3 13.2 | 245 42 38.2 17.6 18 361 8230 260 63 62.0 10.9 | 253 53 51.0 15.3 19 300 9540 260 84 82.7 14.6 | 255 74 71.6 19.0 20 253 10668 255 92 88.9 23.8 | 250 83 77.8 28.2 21 250 10760 255 103 99.5 26.7 | 251 94 88.4 31.1 22 221 11582 260 127 125.1 22.1 | 257 117 114.0 26.4 23 218 11664 265 131 130.5 11.4 | 262 120 119.4 15.8 24 211 11887 265 131 130.5 11.4 | 262 120 119.4 15.8 25 200 12220 260 128 126.1 22.2 | 257 118 115.0 26.6 26 165 13411 255 106 102.4 27.4 | 251 97 91.3 31.8 27 150 14020 255 114 110.1 29.5 | 251 105 99.0 33.9 28 150 14021 260 117 115.2 20.3 | 257 107 104.1 24.7 29 100 16470 270 68 68.0 -0.0 | 266 57 56.9 4.4 30 95 16764 270 68 68.0 -0.0 | 266 57 56.9 4.4 31 83 17566 280 52 51.2 -9.0 | 277 40 40.1 -4.6 32 77 17983 280 52 51.2 -9.0 | 277 40 40.1 -4.6 33 70 18570 260 38 37.4 6.6 | 247 29 26.3 11.0 34 70 18593 255 39 37.7 10.1 | 241 30 26.6 14.5 35 63 19202 250 32 30.1 10.9 | 231 24 19.0 15.3 36 60 19507 260 19 18.7 3.3 | 225 11 7.6 7.7 37 57 19812 230 17 13.0 10.9 | 187 15 1.9 15.3 38 52 20422 285 10 9.7 -2.6 | 142 2 -1.4 1.8 39 50 20630 250 1 0.9 0.3 | 115 11 -10.1 4.7 40 49 20726 245 10 9.1 4.2 | 167 9 -2.0 8.6 41 47 21031 230 1 0.8 0.6 | 116 11 -10.3 5.0 42 43 21641 320 10 6.4 -7.7 | 55 6 -4.7 -3.3 43 41 21946 280 18 17.7 -3.1 | 259 7 6.6 1.3 44 39 22250 295 12 10.9 -5.1 | 17 1 -0.2 -0.7 45 33 23165 305 12 9.8 -6.9 | 27 3 -1.3 -2.5 46 32 23470 295 20 18.1 -8.5 | 300 8 7.0 -4.1 47 30 23774 260 16 15.8 2.8 | 213 9 4.7 7.2 48 30 23850 270 11 11.0 -0.0 | 179 4 -0.1 4.4 49 29 24079 255 13 12.6 3.4 | 191 8 1.5 7.8 50 28 24384 295 13 11.8 -5.5 | 328 1 0.7 -1.1 51 26 24689 290 8 7.5 -2.7 | 115 4 -3.6 1.7 52 25 24994 315 11 7.8 -7.8 | 44 5 -3.3 -3.4 53 24 25298 280 14 13.8 -2.4 | 234 3 2.7 2.0 54 23 25603 310 14 10.7 -9.0 | 4 5 -0.4 -4.6 55 22 25908 270 13 13.0 -0.0 | 204 5 1.9 4.4 56 21 26213 300 17 14.7 -8.5 | 318 5 3.6 -4.1 57 20 26500 290 17 16.0 -5.8 | 286 5 4.9 -1.4 58 20 26518 245 11 10.0 4.6 | 173 9 -1.1 9.0 59 18 26822 305 14 11.5 -8.0 | 354 4 0.4 -3.6 60 17 27127 265 24 23.9 2.1 | 243 14 12.8 6.5 61 15 27432 265 22 21.9 1.9 | 240 13 10.8 6.3 Wind Parameters Mean winds (0-6000m): 261.6 at 15.9 knts Storm direction: 291.6 at 11.9 knts Shear (0-3000m) pos: 3.6 neg: 1.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 105.7 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -38.5 tot: -2.6 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 48.82 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 ------------------------------------------------------------------------------- 500 132 5 117 16| 0.0 3.4 3.4| 3.2 -10.4 -7.2 -14.5 -0.43| 4.3 -1.8 1000 140 5 120 16| 2.5 1.7 4.2| 17.4 -10.4 7.0 7.0 0.16| 4.7 0.8 1500 149 4 121 15| 2.4 1.1 3.5| 32.7 -21.8 10.9 7.3 0.16| 6.1 1.0 2000 229 6 141 11| 5.3 0.9 6.2| 35.9 -26.5 9.4 4.7 -0.12| 9.3 -1.2 2500 273 8 141 5| 4.3 0.3 4.6| 35.9 -27.4 8.5 3.4 -0.14| 7.9 -1.1 3000 275 10 156 4| 3.6 1.0 4.6| 35.9 -38.5 -2.6 -0.9 -0.24| 7.8 -1.9 4000 267 11 184 5| 3.5 1.5 5.0| 54.2 -53.0 1.2 0.3 -0.17| 7.6 -1.3 5000 262 13 198 7| 3.1 1.8 4.9| 69.4 -78.7 -9.2 -1.8 -0.16| 8.1 -1.3 6000 262 16 215 8| 3.2 1.6 4.8|104.6 -79.5 25.0 4.2 -0.05| 8.0 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20250419.12.gif