UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 27 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 78 SFC 954 474 25.2 18.2 65 7.0 20.3 230 10 302.4 305.0 295.1 343.5 13.92 2 953 484 27.2 13.2 42 14.0 18.0 226 11 304.5 306.4 292.9 334.6 10.05 3 925 767 24.8 11.8 44 13.0 16.4 170 21 304.7 306.4 292.5 332.9 9.44 4 883 1173 22.2 7.2 38 15.0 13.1 174 26 306.0 307.4 291.2 328.0 7.23 5 850 1502 19.4 6.4 43 13.0 11.7 180 26 306.5 307.8 291.2 328.1 7.11 6 806 1956 16.0 3.0 42 13.0 8.7 180 25 307.5 308.7 290.5 325.6 5.90 7 774 2299 12.8 6.8 67 6.0 9.2 183 22 307.7 309.2 292.3 332.1 8.03 8 772 2320 12.8 6.8 67 6.0 9.2 183 22 307.9 309.4 292.4 332.4 8.05 9 765 2397 14.0 3.0 47 11.0 7.8 184 21 310.0 311.2 291.5 329.2 6.22 10 700 3139 8.4 2.4 66 6.0 5.1 130 9 311.8 313.0 292.3 332.0 6.51 11 691 3246 7.4 1.4 66 6.0 4.1 112 7 311.8 313.0 292.0 331.0 6.14 12 669 3513 7.0 -6.0 39 13.0 0.8 67 3 314.3 315.0 290.6 326.0 3.65 13 616 4185 1.4 -5.6 60 7.0 -1.9 329 4 315.4 316.1 291.3 328.5 4.09 14 594 4478 0.6 -15.4 29 16.0 -5.4 301 7 317.7 318.1 290.0 324.2 1.94 15 550 5093 -3.7 -8.4 70 4.7 -5.8 275 13 319.7 320.4 292.2 331.8 3.69 16 500 5840 -8.7 -15.7 57 7.0 -11.2 295 25 322.4 322.9 291.7 330.0 2.25 17 462 6445 -12.9 -24.9 36 12.0 -16.1 287 38 324.6 324.8 291.3 328.4 1.10 18 455 6561 -13.7 -19.7 60 6.0 -15.6 284 41 325.0 325.3 292.0 331.1 1.76 19 453 6594 -13.3 -17.6 70 4.3 -14.7 283 42 325.9 326.3 292.6 333.2 2.12 20 449 6662 -12.7 -32.7 17 20.0 -17.1 281 44 327.5 327.6 291.6 329.5 0.54 21 400 7530 -18.9 -50.9 4 32.0 -22.7 295 48 330.4 330.4 291.9 330.8 0.09 22 388 7757 -20.3 -55.3 3 35.0 -23.9 301 46 331.5 331.5 292.2 331.7 0.05 23 387 7776 -20.5 -56.5 2 36.0 -24.1 301 46 331.5 331.5 292.2 331.7 0.05 24 386 7795 -20.3 -46.3 8 26.0 -23.7 302 46 332.0 332.0 292.4 332.6 0.16 25 384 7834 -20.5 -26.5 59 6.0 -22.0 303 46 332.2 332.4 293.4 336.3 1.14 26 382 7872 -20.3 -62.3 1 42.0 -24.1 304 45 333.0 333.0 292.6 333.1 0.02 27 370 8109 -20.9 -50.9 5 30.0 -24.4 302 46 335.2 335.2 293.2 335.6 0.10 28 368 8149 -21.3 -39.3 18 18.0 -24.2 301 46 335.2 335.3 293.4 336.5 0.34 29 358 8353 -22.5 -55.5 3 33.0 -25.8 299 48 336.2 336.3 293.4 336.5 0.06 30 346 8603 -24.3 -36.3 32 12.0 -26.3 297 51 337.1 337.2 294.1 339.0 0.50 31 341 8709 -24.9 -44.9 14 20.0 -27.5 296 53 337.7 337.7 294.0 338.5 0.20 32 338 8773 -25.3 -37.3 32 12.0 -27.2 296 54 338.0 338.1 294.3 339.8 0.46 33 336 8816 -25.7 -28.7 76 3.0 -26.3 295 54 338.0 338.2 294.8 342.0 1.06 34 314 9305 -29.1 -31.7 78 2.6 -29.6 291 60 339.9 340.1 295.1 343.1 0.86 35 300 9630 -31.5 -37.5 55 6.0 -32.4 290 62 341.0 341.1 295.0 342.9 0.51 36 288 9916 -33.3 -44.3 32 11.0 -34.5 297 64 342.4 342.5 295.1 343.5 0.26 37 277 10187 -35.3 -47.3 28 12.0 -36.4 303 65 343.4 343.4 295.3 344.2 0.19 38 265 10492 -37.7 -45.7 43 8.0 -38.4 310 67 344.2 344.3 295.6 345.2 0.24 39 260 10623 -38.7 -39.9 88 1.2 -38.8 314 68 344.6 344.7 295.8 346.4 0.46 40 255 10755 -39.3 -43.7 63 4.4 -39.7 317 69 345.7 345.7 296.0 346.9 0.31 41 250 10890 -40.5 -43.9 70 3.4 -40.8 320 70 345.9 345.9 296.0 347.1 0.31 42 247 10973 -41.3 -44.2 73 2.9 -41.6 320 71 345.9 345.9 296.0 347.1 0.31 43 245 11028 -41.5 -57.5 16 16.0 -42.3 319 71 346.4 346.4 295.9 346.6 0.07 44 236 11282 -43.7 -50.7 46 7.0 -44.1 316 71 346.8 346.8 296.1 347.4 0.15 45 226 11573 -45.9 -59.9 19 14.0 -46.4 313 71 347.7 347.7 296.2 347.9 0.05 46 221 11722 -47.1 -55.1 40 8.0 -47.4 311 70 348.1 348.1 296.3 348.5 0.10 47 216 11874 -47.9 -61.9 18 14.0 -48.4 309 70 349.1 349.2 296.5 349.3 0.04 48 200 12380 -51.7 -67.7 13 16.0 -52.1 310 71 350.9 350.9 296.8 351.0 0.02 49 186 12847 -54.5 -73.5 8 19.0 -54.8 317 75 353.7 353.7 297.4 353.8 0.01 50 181 13020 -55.8 -72.6 11 16.8 -56.1 320 77 354.3 354.3 297.5 354.4 0.01 51 177 13162 -56.9 -71.9 13 15.0 -57.1 318 76 354.8 354.8 297.7 354.9 0.01 52 150 14190 -64.3 -79.3 11 15.0 -64.4 285 60 359.3 359.3 298.5 359.3 0.00 53 148 14272 -65.1 -80.1 11 15.0 -65.2 285 61 359.3 359.3 298.5 359.3 0.00 54 114 15848 -71.1 -87.1 8 16.0 -71.2 267 35 376.0 376.0 301.6 376.0 0.00 55 100 16620 -74.3 -89.3 8 15.0 -74.3 240 24 384.2 384.2 302.9 384.2 0.00 56 81 17837 -78.5 -90.5 12 12.0 -78.5 235 17 399.4 399.4 305.1 399.4 0.00 57 70 18670 -78.7 -91.7 10 13.0 -78.7 280 16 416.0 416.0 307.2 416.0 0.00 58 67 18923 -73.1 -88.1 8 15.0 -73.2 296 15 433.4 433.4 309.2 433.4 0.00 59 64 19191 -74.5 -89.5 8 15.0 -74.6 265 15 436.0 436.0 309.5 436.0 0.00 60 50 20660 -66.1 -89.1 3 23.0 -66.4 180 9 487.7 487.7 314.1 487.7 0.00 61 43 21577 -65.5 -90.5 2 25.0 -65.8 39 6 510.7 510.7 315.7 510.7 0.00 62 39 22178 -60.9 -88.9 1 28.0 -61.6 39 8 536.8 536.8 317.3 536.8 0.00 63 36 22675 -61.7 -88.7 2 27.0 -62.3 84 10 547.1 547.1 317.9 547.2 0.00 64 30 23820 -56.1 -87.1 1 31.0 -57.5 85 12 591.7 591.7 320.2 591.7 0.01 65 25 24987 -52.1 -84.1 1 32.0 -54.5 105 15 634.9 634.9 322.1 635.0 0.01 66 20 26440 -48.7 -82.7 1 34.0 -52.6 75 17 687.1 687.1 324.0 687.3 0.02 67 19 26777 -48.7 -82.7 1 34.0 -52.7 85 20 697.3 697.3 324.3 697.4 0.02 68 18 27133 -48.7 -82.7 1 34.0 -52.9 75 17 708.1 708.1 324.7 708.3 0.02 TRP 81 17837 -78.5 -90.5 12 12.0 -78.5 235 17 399.4 399.4 305.1 399.4 0.00 WND 181 13020 -55.8 -72.6 11 16.8 -56.1 320 77 354.3 354.3 297.5 354.4 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 587.86 mb = 4564.10 m = 14973.89 ft Wetbulb zero: 652.83 mb = 3712.00 m = 12178.33 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 51.10 % Est. max temperature: 30.29 C = 86.53 F Sfc-Lift cond lev (LCL): 861.25 mb = 1388.27 m = 4554.63 ft T: 20.37 C 700-500 lapse rate: 6.33 C/km ThetaE index: 15.55 C Layer 953.0- 850.0 mb Conv cond level (CCL): 648.30 mb = 3768.83 m = 12364.78 ft Mean mixing ratio: 8.40 g/kg Conv temperature: 37.34 C = 99.22 F Cap Strength: 4.92 C Lifted Index: 2.18 C Risk: None Lifted Index @300 mb: 8.32 C Lifted Index @700 mb: 3.81 C Showalter Index: 3.47 C Risk: None Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 28.10 C Cross Totals Index: 15.10 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 292.09 Risk: None Energy Index: 0.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.54 J/kg Max Up Vert Vel: 4.13 m/s Conv Inhibition (B-): 28670.05 J/kg Cap Strength: 4.92 C Lift Cond Lev (LCL): 737.08 mb = 2707.80 m = 8883.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 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 ---------------------------------------------------------- 0 954 474 230 10 7.7 6.4 | 120 5 -4.3 2.5 1 940 610 175 17 -1.5 16.9 | 134 19 -13.4 13.0 2 925 767 170 21 -3.6 20.7 | 137 23 -15.6 16.8 3 909 914 170 26 -4.5 25.6 | 143 27 -16.4 21.7 4 850 1502 180 26 0.0 26.0 | 152 25 -11.9 22.1 5 789 2134 180 24 0.0 24.0 | 149 23 -11.9 20.1 6 761 2438 185 21 1.8 20.9 | 149 20 -10.1 17.0 7 734 2743 180 15 0.0 15.0 | 133 16 -11.9 11.1 8 700 3139 130 9 -6.9 5.8 | 96 19 -18.8 1.9 9 656 3658 40 1 -0.6 -0.8 | 70 13 -12.6 -4.7 10 608 4267 315 5 3.5 -3.5 | 48 11 -8.4 -7.5 11 564 4877 270 10 10.0 -0.0 | 26 4 -1.9 -3.9 12 503 5791 295 23 20.8 -9.7 | 327 16 8.9 -13.6 13 500 5840 295 25 22.7 -10.6 | 323 18 10.7 -14.5 14 483 6096 295 27 24.5 -11.4 | 321 20 12.5 -15.3 15 446 6706 280 46 45.3 -8.0 | 290 35 33.4 -11.9 16 400 7530 295 48 43.5 -20.3 | 307 40 31.6 -24.2 17 379 7925 305 45 36.9 -25.8 | 320 39 24.9 -29.7 18 363 8230 300 47 40.7 -23.5 | 314 40 28.8 -27.4 19 308 9449 290 62 58.3 -21.2 | 298 53 46.3 -25.1 20 300 9630 290 62 58.3 -21.2 | 298 53 46.3 -25.1 21 250 10890 320 70 45.0 -53.6 | 330 66 33.1 -57.5 22 247 10973 320 71 45.6 -54.4 | 330 67 33.7 -58.3 23 206 12192 305 70 57.3 -40.2 | 314 63 45.4 -44.1 24 200 12380 310 71 54.4 -45.6 | 319 65 42.5 -49.6 25 181 13020 320 77 49.5 -59.0 | 329 73 37.6 -62.9 26 179 13106 320 77 49.5 -59.0 | 329 73 37.6 -62.9 27 150 14190 285 60 58.0 -15.5 | 293 50 46.0 -19.5 28 147 14326 285 62 59.9 -16.0 | 293 52 48.0 -20.0 29 126 15240 300 46 39.8 -23.0 | 314 39 27.9 -26.9 30 108 16154 250 29 27.3 9.9 | 249 16 15.3 6.0 31 100 16620 240 24 20.8 12.0 | 228 12 8.9 8.1 32 98 16764 240 24 20.8 12.0 | 228 12 8.9 8.1 33 88 17374 220 19 12.2 14.6 | 182 11 0.3 10.6 34 83 17678 250 13 12.2 4.4 | 209 1 0.3 0.5 35 81 17837 235 17 13.9 9.8 | 199 6 2.0 5.8 36 79 17983 225 18 12.7 12.7 | 185 9 0.8 8.8 37 75 18288 235 24 19.7 13.8 | 218 13 7.7 9.8 38 70 18670 280 16 15.8 -2.8 | 330 8 3.8 -6.7 39 67 18898 300 15 13.0 -7.5 | 355 11 1.1 -11.4 40 64 19202 265 15 14.9 1.3 | 311 4 3.0 -2.6 41 61 19507 255 11 10.6 2.8 | 50 2 -1.3 -1.1 42 58 19812 340 10 3.4 -9.4 | 33 16 -8.5 -13.3 43 55 20117 335 13 5.5 -11.8 | 22 17 -6.4 -15.7 44 50 20660 180 9 0.0 9.0 | 113 13 -11.9 5.1 45 49 20726 295 11 10.0 -4.6 | 13 9 -2.0 -8.6 46 47 21031 95 10 -10.0 0.9 | 82 22 -21.9 -3.1 47 45 21336 75 10 -9.7 -2.6 | 73 23 -21.6 -6.5 48 41 21946 350 1 0.2 -1.0 | 67 13 -11.8 -4.9 49 39 22250 50 10 -7.7 -6.4 | 62 22 -19.6 -10.4 50 33 23165 120 10 -8.7 5.0 | 93 21 -20.6 1.1 51 32 23470 105 22 -21.3 5.7 | 93 33 -33.2 1.8 52 30 23774 100 19 -18.7 3.3 | 89 31 -30.6 -0.6 53 30 23820 85 12 -12.0 -1.0 | 78 24 -23.9 -5.0 54 29 24079 70 20 -18.8 -6.8 | 71 33 -30.7 -10.8 55 27 24384 105 16 -15.5 4.1 | 90 27 -27.4 0.2 56 24 25298 105 15 -14.5 3.9 | 90 26 -26.4 -0.0 57 23 25603 130 15 -11.5 9.6 | 104 24 -23.4 5.7 58 22 25908 130 20 -15.3 12.9 | 108 29 -27.2 8.9 59 20 26440 75 17 -16.4 -4.4 | 74 30 -28.3 -8.3 60 20 26518 90 21 -21.0 0.0 | 83 33 -32.9 -3.9 61 18 26822 75 17 -16.4 -4.4 | 74 30 -28.3 -8.3 62 15 27432 95 24 -23.9 2.1 | 87 36 -35.8 -1.8 Wind Parameters Mean winds (0-6000m): 221.8 at 16.7 knts Storm direction: 251.8 at 12.6 knts Shear (0-3000m) pos: 1.3 neg: 2.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): -48.6 deg Storm rel helicity (0-3000m) pos: 52.7 neg: -127.7 tot: -75.1 m^2/s^2 ave: -25.0 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 10.2 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 29.22 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 ------------------------------------------------------------------------------- 500 175 20 139 21| 0.0 23.2 23.2| 28.3 -5.1 23.2 46.5 0.23| 24.4 5.7 1000 175 23 144 24| 2.0 11.6 13.6| 51.9 -5.1 46.8 46.8 0.32| 14.2 4.6 1500 177 24 146 24| 1.4 7.7 9.2| 52.4 -9.1 43.3 28.9 0.29| 10.0 2.9 2000 178 24 147 23| 2.0 5.8 7.8| 52.7 -13.9 38.7 19.4 0.22| 8.7 1.9 2500 178 22 145 22| 1.6 4.3 5.9| 52.7 -68.9 -16.2 -6.5 -0.09| 9.6 -0.9 3000 175 19 139 21| 1.3 2.9 4.3| 52.7-127.7 -75.1 -25.0 -0.27| 10.2 -2.8 4000 177 15 132 17| 1.0 1.1 2.1| 52.7-151.5 -98.9 -24.7 -0.33| 9.1 -3.0 5000 190 15 138 14| 1.6 0.3 1.9| 52.7-163.8-111.1 -22.2 -0.36| 8.8 -3.2 6000 222 17 175 9| 2.1 1.0 3.1| 53.0-230.6-177.6 -29.6 -0.39| 9.3 -3.6 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251227.12.gif