UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 6 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 99 SFC 956 474 21.8 15.8 69 6.0 17.8 230 6 298.8 300.9 292.6 333.4 11.89 2 925 777 20.6 14.6 68 6.0 16.7 175 11 300.4 302.5 292.7 333.7 11.37 3 910 918 19.6 13.6 68 6.0 15.7 163 12 300.8 302.7 292.4 332.6 10.82 4 896 1052 20.8 12.8 60 8.0 15.6 91 7 303.3 305.3 292.9 334.3 10.42 5 857 1436 19.2 8.2 49 11.0 12.5 23 8 305.5 307.0 291.6 329.6 7.98 6 850 1507 19.4 8.4 49 11.0 12.6 30 11 306.5 308.0 292.0 331.2 8.16 7 849 1517 19.4 8.4 49 11.0 12.6 30 11 306.6 308.1 292.1 331.3 8.17 8 716 2957 7.6 7.6 100 0.0 7.6 81 6 308.9 310.6 293.6 336.9 9.19 9 700 3144 6.6 6.6 100 0.0 6.6 85 6 309.8 311.4 293.5 336.7 8.77 10 613 4221 -1.1 -1.1 100 0.0 -1.1 88 12 312.9 314.0 292.0 331.0 5.77 11 608 4286 -1.9 -21.9 20 20.0 -8.0 90 14 312.7 312.9 287.6 316.4 1.09 12 607 4300 -0.9 -22.9 17 22.0 -7.6 88 14 314.0 314.2 287.9 317.4 1.00 13 605 4326 -0.5 -13.5 37 13.0 -5.5 84 15 314.8 315.2 289.4 322.1 2.23 14 602 4366 0.0 -26.0 12 26.0 -7.5 78 15 315.8 316.0 288.2 318.5 0.76 15 594 4474 1.0 -15.0 29 16.0 -5.1 62 17 318.2 318.6 290.2 324.9 2.01 16 587 4569 0.4 -12.6 37 13.0 -4.9 48 19 318.6 319.1 290.8 326.8 2.47 17 505 5753 -11.1 -14.2 78 3.1 -12.2 70 21 318.6 319.1 290.9 327.0 2.52 18 500 5830 -11.5 -14.8 76 3.3 -12.7 70 21 319.0 319.5 290.9 327.1 2.43 19 471 6284 -15.1 -16.8 87 1.7 -15.7 62 21 320.1 320.5 291.0 327.4 2.18 20 462 6429 -15.3 -17.2 85 1.9 -15.9 55 23 321.6 322.0 291.4 328.8 2.15 21 456 6528 -14.1 -16.3 83 2.2 -14.9 36 24 324.3 324.7 292.3 332.2 2.35 22 400 7510 -19.7 -22.2 80 2.5 -20.4 335 23 329.4 329.7 293.1 335.1 1.61 23 348 8528 -26.3 -28.9 79 2.6 -26.8 296 19 333.8 334.0 293.7 337.5 1.01 24 303 9511 -34.5 -37.5 74 3.0 -34.9 306 14 335.8 335.9 293.7 337.7 0.50 25 300 9580 -34.9 -37.9 74 3.0 -35.3 295 13 336.2 336.3 293.9 338.0 0.49 26 273 10234 -40.7 -42.7 81 2.0 -40.9 295 17 337.0 337.0 293.9 338.2 0.32 27 263 10488 -42.9 -46.4 68 3.5 -43.2 303 20 337.4 337.4 293.9 338.3 0.23 28 250 10830 -45.9 -48.3 77 2.4 -46.0 310 31 337.8 337.9 294.0 338.6 0.19 29 227 11463 -51.7 -53.1 85 1.4 -51.8 302 33 338.4 338.4 294.0 338.9 0.12 30 224 11549 -52.5 -56.1 65 3.6 -52.6 301 34 338.5 338.5 294.0 338.8 0.09 31 220 11665 -53.3 -54.8 84 1.5 -53.4 301 35 339.0 339.0 294.1 339.4 0.10 32 209 11993 -56.5 -59.9 65 3.4 -56.6 306 37 339.0 339.0 294.1 339.2 0.06 33 200 12270 -58.9 -62.9 60 4.0 -59.0 310 39 339.5 339.5 294.2 339.7 0.04 34 191 12557 -61.1 -65.3 57 4.2 -61.2 309 43 340.5 340.5 294.4 340.6 0.03 35 183 12821 -63.1 -66.6 62 3.5 -63.1 303 54 341.4 341.4 294.7 341.5 0.03 36 170 13273 -62.9 -75.9 16 13.0 -63.0 293 75 349.0 349.0 296.4 349.0 0.01 37 162 13568 -64.9 -75.9 21 11.0 -65.0 285 79 350.5 350.5 296.7 350.5 0.01 38 154 13878 -62.5 -79.5 8 17.0 -62.6 295 78 359.7 359.7 298.7 359.7 0.00 39 150 14040 -63.3 -80.3 8 17.0 -63.4 300 77 361.0 361.0 298.9 361.1 0.00 40 140 14462 -63.9 -82.8 6 18.9 -64.0 290 84 367.2 367.2 300.1 367.2 0.00 41 130 14914 -64.5 -85.5 4 21.0 -64.6 281 70 374.0 374.0 301.2 374.0 0.00 42 124 15204 -62.5 -85.5 3 23.0 -62.7 271 56 382.7 382.7 302.7 382.7 0.00 43 100 16500 -71.3 -87.3 8 16.0 -71.3 290 32 390.0 390.0 303.8 390.0 0.00 44 93 16928 -72.3 -87.3 9 15.0 -72.3 290 33 396.2 396.2 304.7 396.2 0.00 45 88 17255 -70.3 -88.3 5 18.0 -70.4 290 34 406.5 406.5 306.0 406.5 0.00 46 80 17818 -72.9 -88.9 7 16.0 -73.0 286 27 412.4 412.4 306.8 412.4 0.00 47 78 17968 -70.3 -88.3 5 18.0 -70.4 285 24 420.8 420.8 307.8 420.8 0.00 48 70 18610 -70.9 -87.9 6 17.0 -71.0 220 10 432.7 432.7 309.1 432.7 0.00 49 62 19325 -71.1 -89.1 5 18.0 -71.2 209 10 447.5 447.5 310.6 447.6 0.00 50 55 20041 -65.5 -89.5 2 24.0 -65.8 256 10 476.0 476.0 313.1 476.0 0.00 51 50 20620 -64.3 -89.3 2 25.0 -64.6 65 6 492.0 492.0 314.4 492.0 0.00 52 39 22156 -62.9 -88.9 2 26.0 -63.4 320 10 531.7 531.7 317.1 531.8 0.00 53 30 23810 -55.1 -86.1 1 31.0 -56.7 115 9 594.4 594.4 320.3 594.5 0.01 54 26 24719 -57.7 -86.7 1 29.0 -59.0 94 10 611.9 611.9 321.2 611.9 0.01 TRP 162 13568 -64.9 -75.9 21 11.0 -65.0 285 79 350.5 350.5 296.7 350.5 0.01 WND 140 14462 -63.9 -82.8 6 18.9 -64.0 290 84 367.2 367.2 300.1 367.2 0.00 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 625.43 mb = 4067.12 m = 13343.39 ft Freezing level: 602.00 mb = 4365.87 m = 14323.56 ft Freezing level: 584.15 mb = 4610.16 m = 15125.02 ft Wetbulb zero: 625.39 mb = 4058.53 m = 13315.23 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 71.41 % Est. max temperature: 30.25 C = 86.46 F Sfc-Lift cond lev (LCL): 875.15 mb = 1255.44 m = 4118.86 ft T: 19.95 C 700-500 lapse rate: 6.74 C/km ThetaE index: 20.51 C Layer 700.0- 607.0 mb Conv cond level (CCL): 739.90 mb = 2679.80 m = 8791.89 ft Mean mixing ratio: 10.39 g/kg Conv temperature: 31.39 C = 88.51 F Cap Strength: 4.88 C Lifted Index: -1.62 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.58 C Lifted Index @700 mb: 1.25 C Showalter Index: -0.83 C Risk: Thunderstorms probable Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 19.90 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 179.80 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 101.43 J/kg Max Up Vert Vel: 14.24 m/s Conv Inhibition (B-): 234.47 J/kg Cap Strength: 4.88 C Lift Cond Lev (LCL): 809.69 mb = 1917.84 m = 6292.05 ft Lev Free Conv (LFC): 644.69 mb = 3811.89 m = 12506.04 ft Equ Level (EL): 604.69 mb = 4330.04 m = 14206.00 ft B at Equ Level: 37.43 J/kg Max Parcel Lev (MPL): 564.69 mb = 4873.92 m = 15990.37 ft Wind level data Storm motion: 98 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 ---------------------------------------------------------- 0 956 474 230 6 4.6 3.9 | 259 14 13.9 2.6 1 942 610 200 10 3.4 9.4 | 237 15 12.7 8.2 2 925 777 175 11 -1.0 11.0 | 221 13 8.3 9.7 3 910 914 165 12 -3.1 11.6 | 211 12 6.2 10.4 4 879 1219 0 0 -0.0 -0.0 | 278 9 9.3 -1.2 5 850 1507 30 11 -5.5 -9.5 | 341 11 3.8 -10.8 6 848 1524 30 11 -5.5 -9.5 | 341 11 3.8 -10.8 7 818 1829 70 10 -9.4 -3.4 | 1 5 -0.1 -4.7 8 789 2134 80 9 -8.9 -1.6 | 351 3 0.4 -2.8 9 761 2438 70 5 -4.7 -1.7 | 303 5 4.6 -2.9 10 700 3144 85 6 -6.0 -0.5 | 298 4 3.3 -1.8 11 632 3962 80 5 -4.9 -0.9 | 296 5 4.4 -2.1 12 608 4267 90 14 -14.0 0.0 | 75 5 -4.7 -1.2 13 585 4572 45 19 -13.4 -13.4 | 16 15 -4.1 -14.7 14 563 4877 45 26 -18.4 -18.4 | 25 22 -9.1 -19.6 15 522 5486 70 20 -18.8 -6.8 | 50 12 -9.5 -8.1 16 500 5830 70 21 -19.7 -7.2 | 51 13 -10.4 -8.4 17 483 6096 65 19 -17.2 -8.0 | 40 12 -7.9 -9.3 18 463 6401 60 23 -19.9 -11.5 | 40 17 -10.6 -12.7 19 445 6706 360 26 -0.0 -26.0 | 341 29 9.3 -27.2 20 427 7010 350 32 5.6 -31.5 | 336 36 14.9 -32.8 21 400 7510 335 23 9.7 -20.8 | 319 29 19.0 -22.1 22 362 8230 315 25 17.7 -17.7 | 305 33 27.0 -18.9 23 347 8534 295 19 17.2 -8.0 | 289 28 26.5 -9.3 24 306 9449 315 15 10.6 -10.6 | 301 23 19.9 -11.8 25 300 9580 295 13 11.8 -5.5 | 288 22 21.1 -6.7 26 292 9754 295 12 10.9 -5.1 | 287 21 20.2 -6.3 27 268 10363 295 18 16.3 -7.6 | 289 27 25.6 -8.8 28 256 10668 315 22 15.6 -15.6 | 304 30 24.9 -16.8 29 250 10830 310 31 23.7 -19.9 | 303 39 33.1 -21.2 30 222 11582 300 34 29.4 -17.0 | 295 43 38.7 -18.2 31 200 12270 310 39 29.9 -25.1 | 304 47 39.2 -26.3 32 193 12497 310 40 30.6 -25.7 | 304 48 39.9 -27.0 33 166 13411 290 81 76.1 -27.7 | 289 90 85.4 -28.9 34 162 13568 285 79 76.3 -20.4 | 284 88 85.6 -21.7 35 150 14040 300 77 66.7 -38.5 | 298 86 76.0 -39.7 36 143 14326 300 81 70.1 -40.5 | 298 90 79.5 -41.7 37 140 14462 290 84 78.9 -28.7 | 289 93 88.2 -30.0 38 136 14630 290 84 78.9 -28.7 | 289 93 88.2 -30.0 39 117 15545 260 39 38.4 6.8 | 263 48 47.7 5.5 40 106 16154 255 22 21.3 5.7 | 262 31 30.6 4.5 41 100 16500 290 32 30.1 -10.9 | 287 41 39.4 -12.2 42 96 16764 290 32 30.1 -10.9 | 287 41 39.4 -12.2 43 86 17374 290 34 31.9 -11.6 | 287 43 41.3 -12.9 44 78 17983 285 24 23.2 -6.2 | 283 33 32.5 -7.5 45 74 18288 255 25 24.1 6.5 | 261 34 33.5 5.2 46 70 18610 220 10 6.4 7.7 | 248 17 15.7 6.4 47 67 18898 235 11 9.0 6.3 | 255 19 18.3 5.1 48 63 19202 200 10 3.4 9.4 | 237 15 12.7 8.2 49 57 19812 240 10 8.7 5.0 | 258 18 18.0 3.8 50 52 20422 280 10 9.8 -1.7 | 279 19 19.2 -3.0 51 50 20620 65 6 -5.4 -2.5 | 314 5 3.9 -3.8 52 45 21336 20 10 -3.4 -9.4 | 331 12 5.9 -10.6 53 35 22860 270 10 10.0 -0.0 | 274 19 19.3 -1.2 54 32 23470 210 12 6.0 10.4 | 239 18 15.3 9.2 55 30 23774 100 10 -9.8 1.7 | 132 1 -0.5 0.5 56 30 23810 115 9 -8.2 3.8 | 204 3 1.1 2.6 57 28 24079 115 10 -9.1 4.2 | 185 3 0.2 3.0 58 26 24384 95 10 -10.0 0.9 | 61 1 -0.7 -0.4 59 24 24689 55 21 -17.2 -12.0 | 31 15 -7.9 -13.3 60 22 24994 35 22 -12.6 -18.0 | 10 20 -3.3 -19.3 61 19 25603 50 19 -14.6 -12.2 | 21 14 -5.3 -13.5 62 18 25908 30 16 -8.0 -13.9 | 355 15 1.3 -15.1 63 15 26518 75 10 -9.7 -2.6 | 5 4 -0.4 -3.8 64 14 26822 70 15 -14.1 -5.1 | 37 8 -4.8 -6.4 Wind Parameters Mean winds (0-6000m): 67.6 at 12.5 knts Storm direction: 97.6 at 9.4 knts Shear (0-3000m) pos: 1.6 neg: 2.2 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 37.8 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -51.9 tot: -13.6 m^2/s^2 ave: -4.5 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 0.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.11 Bulk Shear: 48.08 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 ------------------------------------------------------------------------------- 500 182 10 227 13| 0.0 12.3 12.3| 0.0 -45.0 -45.0 -90.0 -0.69| 19.2-13.3 1000 173 7 234 10| 0.0 7.9 7.9| 28.3 -47.6 -19.3 -19.3 0.06| 21.2 1.2 1500 111 8 219 2| 2.7 5.3 8.0| 38.3 -47.7 -9.5 -6.3 0.13| 17.3 2.2 2000 96 8 290 1| 2.0 3.2 5.3| 38.3 -51.4 -13.2 -6.6 0.05| 14.2 0.7 2500 91 8 303 2| 1.9 2.6 4.5| 38.3 -51.7 -13.4 -5.4 0.04| 11.6 0.5 3000 90 7 303 2| 1.6 2.2 3.7| 38.3 -51.9 -13.6 -4.5 0.04| 9.8 0.4 4000 86 8 317 2| 1.2 3.1 4.3| 43.4 -64.0 -20.7 -5.2 0.05| 9.8 0.5 5000 69 11 8 5| 1.8 3.4 5.2| 89.7 -75.0 14.7 2.9 0.10| 10.2 1.1 6000 68 13 21 6| 1.5 3.5 5.0| 91.1-107.4 -16.4 -2.7 0.03| 9.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251206.12.gif