UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 5 DEC 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 68 SFC 953 474 26.2 13.2 45 13.0 17.7 40 6 303.5 305.4 292.6 333.4 10.05 2 942 584 24.6 11.6 44 13.0 16.3 20 5 302.9 304.6 291.7 330.1 9.14 3 931 696 26.6 9.6 34 17.0 16.0 3 4 305.9 307.4 291.8 330.4 8.08 4 925 757 26.2 10.2 37 16.0 16.1 355 3 306.1 307.7 292.2 331.7 8.47 5 850 1497 22.6 11.6 50 11.0 15.4 315 7 309.8 311.7 294.5 340.8 10.15 6 839 1610 22.0 10.0 46 12.0 14.3 320 10 310.3 312.1 294.0 338.6 9.23 7 780 2237 16.4 6.4 52 10.0 10.3 18 6 310.9 312.3 293.0 334.8 7.75 8 730 2797 12.0 0.0 44 12.0 5.5 55 11 312.0 313.0 291.3 328.4 5.24 9 700 3148 10.8 -13.2 17 24.0 0.8 40 12 314.4 314.8 289.0 320.9 1.97 10 685 3328 10.0 -21.0 9 31.0 -1.0 33 11 315.5 315.7 288.4 319.1 1.05 11 578 4714 1.6 -30.4 7 32.0 -7.2 15 3 321.4 321.5 289.8 323.3 0.53 12 500 5860 -7.7 -33.7 10 26.0 -13.6 345 1 323.7 323.7 290.3 325.3 0.44 13 458 6534 -13.7 -36.7 12 23.0 -18.0 280 4 324.4 324.4 290.5 325.7 0.36 14 442 6803 -14.7 -46.7 5 32.0 -19.3 289 5 326.4 326.5 290.8 326.9 0.13 15 400 7550 -20.7 -41.7 13 21.0 -23.7 315 9 328.1 328.1 291.5 329.0 0.25 16 388 7775 -21.7 -51.7 5 30.0 -24.9 318 10 329.6 329.7 291.7 330.0 0.08 17 385 7832 -22.1 -37.1 24 15.0 -24.5 319 10 329.9 329.9 292.1 331.4 0.41 18 375 8025 -23.7 -47.7 9 24.0 -26.4 320 9 330.2 330.3 291.9 330.8 0.14 19 330 8943 -32.1 -38.1 55 6.0 -32.9 242 5 331.0 331.1 292.4 332.6 0.43 20 315 9270 -34.3 -37.9 70 3.6 -34.7 251 12 332.4 332.5 292.8 334.1 0.46 21 300 9610 -36.3 -41.1 61 4.8 -36.8 300 18 334.2 334.3 293.2 335.6 0.35 22 287 9916 -37.9 -42.3 63 4.4 -38.3 296 16 336.2 336.2 293.7 337.4 0.32 23 250 10850 -45.7 -49.1 68 3.4 -45.9 295 49 338.1 338.2 294.0 338.8 0.18 24 222 11632 -52.5 -55.1 73 2.6 -52.6 290 57 339.3 339.4 294.3 339.8 0.10 25 200 12300 -58.3 -61.8 64 3.5 -58.4 285 64 340.4 340.4 294.5 340.6 0.05 26 199 12332 -58.5 -62.1 64 3.5 -58.6 285 65 340.5 340.6 294.5 340.7 0.05 27 185 12786 -62.1 -65.9 60 3.8 -62.1 287 62 342.0 342.0 294.8 342.1 0.03 28 182 12887 -62.9 -68.9 44 6.0 -63.0 288 61 342.3 342.3 294.9 342.3 0.02 29 178 13024 -62.7 -73.7 21 11.0 -62.8 289 60 344.8 344.8 295.4 344.8 0.01 30 150 14070 -66.1 -79.1 15 13.0 -66.2 280 58 356.2 356.2 298.0 356.2 0.01 31 149 14110 -66.3 -79.3 15 13.0 -66.4 280 58 356.6 356.6 298.0 356.6 0.01 32 122 15325 -64.1 -86.1 3 22.0 -64.3 286 60 381.5 381.6 302.5 381.6 0.00 33 100 16520 -70.9 -88.9 5 18.0 -71.0 300 37 390.7 390.7 303.9 390.7 0.00 34 92 17010 -74.7 -90.7 7 16.0 -74.7 300 42 392.7 392.7 304.2 392.7 0.00 35 89 17205 -72.1 -89.1 6 17.0 -72.2 296 38 401.6 401.6 305.4 401.6 0.00 36 78 17976 -75.5 -89.5 9 14.0 -75.6 280 28 410.0 410.0 306.5 410.0 0.00 37 70 18610 -71.7 -88.7 6 17.0 -71.8 240 15 431.0 431.0 308.9 431.0 0.00 38 68 18781 -69.9 -88.9 5 19.0 -70.0 246 16 438.5 438.5 309.7 438.5 0.00 39 57 19826 -71.5 -90.5 4 19.0 -71.6 265 10 457.5 457.5 311.5 457.5 0.00 40 50 20610 -65.3 -89.3 2 24.0 -65.6 310 12 489.6 489.6 314.2 489.6 0.00 41 44 21395 -61.5 -88.5 2 27.0 -62.0 311 14 517.1 517.1 316.1 517.1 0.00 42 31 23592 -56.1 -86.1 1 30.0 -57.5 73 5 586.2 586.2 320.0 586.2 0.01 43 30 23800 -56.3 -86.3 1 30.0 -57.7 125 2 591.2 591.2 320.2 591.2 0.01 44 24 25216 -57.1 -86.1 1 29.0 -58.6 50 24 627.8 627.8 321.8 627.9 0.01 45 22 25774 -52.1 -84.1 1 32.0 -54.8 38 13 658.5 658.5 323.0 658.6 0.02 46 20 26390 -52.9 -83.9 1 31.0 -55.6 80 12 674.3 674.3 323.6 674.4 0.02 47 16 27839 -49.9 -82.9 1 33.0 -54.0 65 18 728.5 728.5 325.3 728.7 0.03 48 15 28261 -50.1 -83.1 1 33.0 -54.3 51 21 741.4 741.4 325.7 741.6 0.03 TRP 149 14110 -66.3 -79.3 15 13.0 -66.4 280 58 356.6 356.6 298.0 356.6 0.01 WND 199 12332 -58.5 -62.1 64 3.5 -58.6 285 65 340.5 340.6 294.5 340.7 0.05 Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 564.58 mb = 4911.25 m = 16112.82 ft Wetbulb zero: 693.06 mb = 3230.64 m = 10599.07 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 25.49 % Est. max temperature: 33.28 C = 91.90 F Sfc-Lift cond lev (LCL): 787.66 mb = 2153.09 m = 7063.87 ft T: 17.15 C 700-500 lapse rate: 6.82 C/km ThetaE index: 21.74 C Layer 839.0- 578.0 mb Conv cond level (CCL): 627.32 mb = 4045.72 m = 13273.19 ft Mean mixing ratio: 9.18 g/kg Conv temperature: 41.07 C = 105.93 F Cap Strength: 4.94 C Lifted Index: 1.36 C Risk: Showers probable Lifted Index @300 mb: 1.03 C Lifted Index @700 mb: 4.86 C Showalter Index: -1.25 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 19.30 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 166.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.94 J/kg Max Up Vert Vel: 7.99 m/s Conv Inhibition (B-): 607.94 J/kg Cap Strength: 4.93 C Lift Cond Lev (LCL): 735.85 mb = 2729.51 m = 8954.97 ft Lev Free Conv (LFC): 460.85 mb = 6486.31 m = 21280.30 ft Equ Level (EL): 450.85 mb = 6653.22 m = 21827.88 ft B at Equ Level: 23.66 J/kg Max Parcel Lev (MPL): 290.85 mb = 9823.90 m = 32230.24 ft Wind level data Storm motion: 47 at 5 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 ---------------------------------------------------------- 0 953 474 40 6 -3.9 -4.6 | 18 2 -0.5 -1.5 1 939 610 15 5 -1.3 -4.8 | 310 3 2.1 -1.7 2 925 757 355 3 0.3 -3.0 | 268 4 3.6 0.1 3 909 914 355 2 0.2 -2.0 | 253 4 3.5 1.1 4 877 1219 315 10 7.1 -7.1 | 291 11 10.4 -4.0 5 850 1497 315 7 4.9 -4.9 | 283 9 8.3 -1.9 6 847 1524 310 11 8.4 -7.1 | 289 12 11.8 -4.0 7 789 2134 20 5 -1.7 -4.7 | 314 2 1.6 -1.6 8 761 2438 15 7 -1.8 -6.8 | 337 4 1.5 -3.7 9 734 2743 55 10 -8.2 -5.7 | 61 6 -4.8 -2.7 10 708 3048 55 15 -12.3 -8.6 | 58 11 -8.9 -5.5 11 700 3148 40 12 -7.7 -9.2 | 36 8 -4.4 -6.1 12 657 3658 20 10 -3.4 -9.4 | 1 6 -0.1 -6.3 13 609 4267 50 9 -6.9 -5.8 | 53 4 -3.5 -2.7 14 565 4877 0 0 -0.0 -0.0 | 227 5 3.4 3.1 15 500 5860 345 1 0.3 -1.0 | 240 4 3.6 2.1 16 485 6096 265 2 2.0 0.2 | 239 6 5.3 3.3 17 400 7550 315 9 6.4 -6.4 | 289 10 9.7 -3.3 18 380 7925 320 10 6.4 -7.7 | 295 11 9.8 -4.6 19 364 8230 320 6 3.9 -4.6 | 282 7 7.2 -1.5 20 334 8839 245 3 2.7 1.3 | 234 7 6.1 4.4 21 320 9144 235 10 8.2 5.7 | 233 15 11.5 8.8 22 300 9610 300 18 15.6 -9.0 | 287 20 18.9 -5.9 23 294 9754 300 10 8.7 -5.0 | 279 12 12.0 -1.9 24 269 10363 285 32 30.9 -8.3 | 279 35 34.3 -5.2 25 257 10668 305 37 30.3 -21.2 | 298 38 33.7 -18.1 26 250 10850 295 49 44.4 -20.7 | 290 51 47.8 -17.6 27 245 10973 295 50 45.3 -21.1 | 290 52 48.7 -18.0 28 200 12300 285 64 61.8 -16.6 | 282 67 65.2 -13.5 29 199 12332 285 65 62.8 -16.8 | 282 68 66.1 -13.7 30 194 12497 285 65 62.8 -16.8 | 282 68 66.1 -13.7 31 175 13106 290 59 55.4 -20.2 | 286 61 58.8 -17.1 32 151 14021 275 52 51.8 -4.5 | 272 55 55.2 -1.4 33 150 14070 280 58 57.1 -10.1 | 277 61 60.5 -7.0 34 149 14110 280 58 57.1 -10.1 | 277 61 60.5 -7.0 35 124 15240 285 62 59.9 -16.0 | 282 65 63.2 -13.0 36 101 16459 295 30 27.2 -12.7 | 287 32 30.5 -9.6 37 100 16520 300 37 32.0 -18.5 | 294 39 35.4 -15.4 38 96 16764 300 37 32.0 -18.5 | 294 39 35.4 -15.4 39 91 17069 300 43 37.2 -21.5 | 294 45 40.6 -18.4 40 82 17678 280 19 18.7 -3.3 | 271 22 22.1 -0.2 41 78 17983 280 28 27.6 -4.9 | 273 31 30.9 -1.8 42 74 18288 270 30 30.0 -0.0 | 265 33 33.4 3.1 43 70 18593 225 25 17.7 17.7 | 225 30 21.0 20.8 44 70 18610 240 15 13.0 7.5 | 237 19 16.3 10.6 45 67 18898 250 16 15.0 5.5 | 245 20 18.4 8.6 46 63 19202 230 15 11.5 9.6 | 229 20 14.8 12.7 47 60 19507 260 13 12.8 2.3 | 252 17 16.2 5.3 48 57 19812 260 10 9.8 1.7 | 250 14 13.2 4.8 49 54 20117 335 10 4.2 -9.1 | 308 10 7.6 -6.0 50 52 20422 315 15 10.6 -10.6 | 298 16 14.0 -7.5 51 50 20610 310 12 9.2 -7.7 | 290 13 12.5 -4.6 52 49 20726 335 13 5.5 -11.8 | 315 12 8.8 -8.7 53 47 21031 325 14 8.0 -11.5 | 306 14 11.4 -8.4 54 45 21336 335 14 5.9 -12.7 | 316 13 9.3 -9.6 55 42 21641 235 12 9.8 6.9 | 233 17 13.2 10.0 56 40 21946 190 10 1.7 9.8 | 201 14 5.1 12.9 57 37 22555 355 1 0.1 -1.0 | 239 4 3.4 2.1 58 33 23165 325 10 5.7 -8.2 | 299 10 9.1 -5.1 59 30 23800 125 2 -1.6 1.1 | 202 5 1.7 4.2 60 27 24384 140 2 -1.3 1.5 | 204 5 2.1 4.6 61 26 24689 95 10 -10.0 0.9 | 121 8 -6.6 4.0 62 25 24994 65 15 -13.6 -6.3 | 72 11 -10.2 -3.3 63 24 25298 45 27 -19.1 -19.1 | 45 22 -15.7 -16.0 64 23 25603 50 16 -12.3 -10.3 | 51 11 -8.9 -7.2 65 22 25908 30 11 -5.5 -9.5 | 18 7 -2.1 -6.4 66 21 26213 55 19 -15.6 -10.9 | 57 14 -12.2 -7.8 67 20 26390 80 12 -11.8 -2.1 | 97 9 -8.5 1.0 68 18 26822 90 13 -13.0 0.0 | 108 10 -9.6 3.1 69 15 27432 50 21 -16.1 -13.5 | 51 16 -12.7 -10.4 70 14 27737 85 18 -17.9 -1.6 | 96 15 -14.6 1.5 71 12 28346 90 16 -16.0 0.0 | 104 13 -12.6 3.1 Wind Parameters Mean winds (0-6000m): 17.4 at 6.1 knts Storm direction: 47.4 at 4.6 knts Shear (0-3000m) pos: 2.9 neg: 2.7 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): -4.9 deg Storm rel helicity (0-3000m) pos: 24.5 neg: -21.4 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 42.45 Bulk Shear: 0.75 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 11 4 283 3| 0.0 4.9 4.9| 1.3 -3.6 -2.3 -4.5 -0.57| 7.4 -4.2 1000 333 6 289 6| 0.0 4.6 4.6| 3.6 -7.7 -4.1 -4.1 -0.25| 8.5 -2.1 1500 330 7 293 7| 1.9 3.1 5.0| 16.3 -7.7 8.6 5.8 0.05| 9.5 0.4 2000 339 7 298 7| 2.0 2.3 4.3| 17.8 -7.7 10.1 5.1 0.09| 8.3 0.8 2500 359 7 320 5| 3.4 1.9 5.3| 24.5 -8.2 16.2 6.5 0.20| 8.6 1.7 3000 12 8 341 5| 2.9 2.7 5.5| 24.5 -21.4 3.0 1.0 0.04| 8.4 0.4 4000 19 8 353 5| 2.2 2.3 4.5| 30.6 -25.7 4.9 1.2 0.04| 7.6 0.3 5000 21 7 346 4| 1.8 2.2 4.0| 31.2 -29.1 2.0 0.4 -0.04| 6.8 -0.2 6000 17 6 330 3| 1.5 2.2 3.6| 34.3 -29.7 4.7 0.8 -0.01| 6.0 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251205.12.gif