UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 18 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 79 SFC 954 474 25.6 12.6 44 13.0 17.2 270 4 302.8 304.6 292.1 331.5 9.65 2 925 765 23.2 6.2 33 17.0 13.2 280 12 303.0 304.2 289.5 322.4 6.43 3 850 1497 19.4 1.4 30 18.0 9.6 190 7 306.5 307.4 289.3 321.8 4.98 4 785 2176 15.6 -5.4 23 21.0 5.4 134 9 309.4 310.1 288.6 319.7 3.25 5 768 2361 15.8 -21.2 6 37.0 2.4 128 12 311.6 311.8 287.0 314.7 0.92 6 746 2607 14.0 -18.0 9 32.0 1.8 114 15 312.3 312.5 287.6 316.4 1.24 7 728 2812 12.0 -1.0 41 13.0 5.1 107 17 312.3 313.2 291.0 327.6 4.89 8 712 2998 11.2 -14.8 15 26.0 0.8 111 19 313.4 313.7 288.4 319.0 1.70 9 700 3139 9.8 -15.2 16 25.0 -0.0 115 21 313.3 313.7 288.3 318.9 1.67 10 630 4002 2.4 -18.6 19 21.0 -4.9 122 11 314.5 314.7 288.5 319.2 1.40 11 619 4144 1.2 -10.8 40 12.0 -3.8 116 8 314.7 315.2 289.8 323.5 2.71 12 596 4448 0.0 -15.0 31 15.0 -5.7 154 6 316.7 317.1 289.8 323.4 2.00 13 590 4529 0.4 -26.6 11 27.0 -7.4 177 6 318.1 318.2 288.9 320.7 0.74 14 551 5073 -4.1 -13.1 50 9.0 -7.6 276 12 319.1 319.5 291.0 327.4 2.53 15 501 5815 -10.7 -16.7 61 6.0 -12.8 265 20 319.8 320.2 290.8 326.7 2.07 16 500 5830 -10.9 -17.9 56 7.0 -13.2 265 20 319.7 320.1 290.6 326.1 1.87 17 465 6381 -15.5 -23.5 50 8.0 -17.6 275 30 320.7 321.0 290.3 325.0 1.24 18 454 6561 -16.3 -38.3 13 22.0 -20.0 265 30 321.9 322.0 289.7 323.1 0.31 19 439 6812 -17.9 -49.9 4 32.0 -21.7 257 30 323.0 323.0 289.8 323.4 0.09 20 424 7071 -19.1 -44.1 9 25.0 -22.5 262 31 324.7 324.7 290.4 325.4 0.18 21 400 7500 -23.1 -38.1 24 15.0 -25.4 270 33 325.0 325.0 290.6 326.3 0.36 22 369 8085 -28.3 -39.3 34 11.0 -29.7 274 35 325.6 325.7 290.8 326.9 0.34 23 352 8422 -30.3 -49.3 14 19.0 -31.9 271 37 327.4 327.4 291.1 327.8 0.12 24 300 9540 -38.5 -58.5 10 20.0 -39.5 270 47 331.1 331.1 292.0 331.3 0.05 25 287 9843 -40.5 -61.5 9 21.0 -41.3 270 49 332.5 332.5 292.4 332.6 0.03 26 270 10256 -44.1 -62.1 12 18.0 -44.7 270 51 333.1 333.1 292.6 333.2 0.03 27 250 10770 -45.9 -67.9 7 22.0 -46.5 275 65 337.8 337.8 293.8 337.9 0.02 28 244 10931 -46.7 -68.7 6 22.0 -47.3 274 67 339.0 339.0 294.1 339.0 0.02 29 200 12230 -52.1 -76.1 4 24.0 -52.5 265 80 350.3 350.3 296.7 350.3 0.01 30 192 12494 -53.9 -77.9 4 24.0 -54.2 265 85 351.5 351.5 297.0 351.5 0.00 31 187 12665 -54.1 -78.9 3 24.8 -54.4 265 88 353.9 353.9 297.5 353.9 0.00 32 157 13788 -55.3 -85.3 1 30.0 -55.6 263 77 369.9 369.9 300.5 369.9 0.00 33 155 13870 -54.9 -84.9 1 30.0 -55.2 262 76 372.0 372.0 300.9 372.0 0.00 34 150 14080 -56.3 -86.3 1 30.0 -56.6 255 77 373.1 373.1 301.1 373.1 0.00 35 100 16560 -71.1 -91.1 4 20.0 -71.2 260 56 390.4 390.4 303.8 390.4 0.00 36 70 18630 -77.7 -89.7 13 12.0 -77.7 215 28 418.2 418.2 307.5 418.2 0.00 37 68 18796 -77.9 -89.9 13 12.0 -77.9 220 29 421.2 421.2 307.9 421.2 0.00 38 58 19726 -69.3 -90.3 3 21.0 -69.5 209 26 460.2 460.2 311.8 460.2 0.00 39 52 20376 -70.7 -91.7 3 21.0 -70.8 308 9 471.6 471.6 312.8 471.6 0.00 40 50 20610 -67.7 -90.7 2 23.0 -67.9 350 15 484.0 484.0 313.8 484.0 0.00 41 46 21114 -65.1 -91.1 2 26.0 -65.4 347 19 501.9 501.9 315.1 501.9 0.00 42 44 21388 -59.3 -90.3 1 31.0 -60.0 336 24 522.5 522.5 316.5 522.5 0.00 43 40 21987 -57.3 -88.3 1 31.0 -58.3 284 13 542.0 542.0 317.6 542.0 0.00 44 37 22476 -59.9 -88.9 1 29.0 -60.7 294 17 547.5 547.5 317.9 547.5 0.00 45 35 22826 -55.3 -87.3 1 32.0 -56.6 287 16 568.3 568.3 319.0 568.3 0.01 46 30 23800 -58.9 -88.9 1 30.0 -59.9 70 23 584.1 584.1 319.9 584.1 0.00 47 26 24704 -56.5 -87.5 1 31.0 -58.0 28 31 615.3 615.3 321.3 615.3 0.01 48 23 25491 -51.7 -85.7 1 34.0 -54.4 87 12 651.4 651.4 322.7 651.4 0.01 49 20 26400 -50.5 -84.5 1 34.0 -53.8 95 22 681.6 681.6 323.8 681.7 0.02 50 13 29243 -45.1 -83.1 1 38.0 -51.7 78 21 789.7 789.7 327.0 789.9 0.03 TRP 68 18796 -77.9 -89.9 13 12.0 -77.9 220 29 421.2 421.2 307.9 421.2 0.00 WND 187 12665 -54.1 -78.9 3 24.8 -54.4 265 88 353.9 353.9 297.5 353.9 0.00 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 586.53 mb = 4577.53 m = 15017.97 ft Wetbulb zero: 700.57 mb = 3132.25 m = 10276.28 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 30.05 % Est. max temperature: 31.28 C = 88.30 F Sfc-Lift cond lev (LCL): 788.26 mb = 2140.19 m = 7021.53 ft T: 15.80 C 700-500 lapse rate: 7.69 C/km ThetaE index: 16.77 C Layer 925.0- 746.0 mb Conv cond level (CCL): 582.54 mb = 4630.47 m = 15191.66 ft Mean mixing ratio: 6.38 g/kg Conv temperature: 40.88 C = 105.59 F Cap Strength: 8.31 C Lifted Index: 3.61 C Risk: None Lifted Index @300 mb: 6.07 C Lifted Index @700 mb: 7.96 C Showalter Index: 4.55 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 30.30 C Cross Totals Index: 12.30 C K Index: 6.70 Risk: None Sweat Index: 50.80 Risk: None Energy Index: 0.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.81 J/kg Max Up Vert Vel: 4.86 m/s Conv Inhibition (B-): 44562.75 J/kg Cap Strength: 8.34 C Lift Cond Lev (LCL): 706.38 mb = 3063.51 m = 10050.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 242 at 11 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 ---------------------------------------------------------- 0 954 474 270 4 4.0 -0.0 | 48 8 -5.7 -5.2 1 940 610 300 6 5.2 -3.0 | 29 9 -4.6 -8.2 2 925 765 280 12 11.8 -2.1 | 344 8 2.1 -7.3 3 909 914 275 16 15.9 -1.4 | 317 9 6.2 -6.6 4 878 1219 250 13 12.2 4.4 | 288 3 2.5 -0.8 5 850 1497 190 7 1.2 6.9 | 101 9 -8.5 1.7 6 847 1524 165 10 -2.6 9.7 | 110 13 -12.3 4.4 7 817 1829 165 11 -2.8 10.6 | 113 14 -12.6 5.4 8 788 2134 135 9 -6.4 6.4 | 94 16 -16.1 1.1 9 760 2438 125 13 -10.6 7.5 | 96 21 -20.4 2.2 10 734 2743 105 16 -15.5 4.1 | 88 25 -25.2 -1.1 11 700 3139 115 21 -19.0 8.9 | 97 29 -28.8 3.6 12 682 3353 120 22 -19.1 11.0 | 101 29 -28.8 5.8 13 656 3658 135 20 -14.1 14.1 | 110 25 -23.9 8.9 14 608 4267 110 4 -3.8 1.4 | 74 14 -13.5 -3.9 15 563 4877 280 10 9.8 -1.7 | 359 7 0.1 -7.0 16 522 5486 265 18 17.9 1.6 | 294 9 8.2 -3.7 17 500 5830 265 20 19.9 1.7 | 289 11 10.2 -3.5 18 483 6096 270 26 26.0 -0.0 | 288 17 16.3 -5.2 19 463 6401 275 30 29.9 -2.6 | 291 22 20.1 -7.8 20 445 6706 255 30 29.0 7.8 | 263 19 19.2 2.5 21 400 7500 270 33 33.0 -0.0 | 283 24 23.3 -5.2 22 361 8230 275 36 35.9 -3.1 | 288 27 26.1 -8.4 23 331 8839 260 41 40.4 7.1 | 266 31 30.6 1.9 24 300 9540 270 47 47.0 -0.0 | 278 38 37.3 -5.2 25 266 10363 270 52 52.0 -0.0 | 277 43 42.3 -5.2 26 250 10770 275 65 64.8 -5.7 | 281 56 55.0 -10.9 27 200 12230 265 80 79.7 7.0 | 269 70 69.9 1.7 28 187 12665 265 88 87.7 7.7 | 268 78 77.9 2.4 29 183 12802 265 88 87.7 7.7 | 268 78 77.9 2.4 30 175 13106 270 84 84.0 -0.0 | 274 74 74.3 -5.2 31 151 14021 260 74 72.9 12.8 | 263 64 63.1 7.6 32 150 14080 255 77 74.4 19.9 | 257 66 64.6 14.7 33 118 15545 245 79 71.6 33.4 | 246 68 61.9 28.2 34 102 16459 255 53 51.2 13.7 | 258 42 41.4 8.5 35 100 16560 260 56 55.1 9.7 | 264 46 45.4 4.5 36 97 16764 260 56 55.1 9.7 | 264 46 45.4 4.5 37 87 17374 240 46 39.8 23.0 | 239 35 30.1 17.8 38 74 18288 250 38 35.7 13.0 | 253 27 26.0 7.8 39 70 18593 210 31 15.5 26.8 | 195 22 5.8 21.6 40 70 18630 215 28 16.1 22.9 | 200 19 6.3 17.7 41 68 18796 220 29 18.6 22.2 | 208 19 8.9 17.0 42 60 19507 220 23 14.8 17.6 | 202 13 5.0 12.4 43 57 19812 205 27 11.4 24.5 | 185 19 1.7 19.2 44 54 20117 55 1 -0.8 -0.6 | 61 12 -10.6 -5.8 45 52 20422 290 10 9.4 -3.4 | 2 9 -0.4 -8.7 46 50 20610 350 15 2.6 -14.8 | 20 21 -7.1 -20.0 47 49 20726 330 10 5.0 -8.7 | 19 15 -4.7 -13.9 48 47 21031 350 16 2.8 -15.8 | 18 22 -7.0 -21.0 49 45 21336 340 26 8.9 -24.4 | 2 30 -0.9 -29.7 50 42 21641 325 18 10.3 -14.7 | 358 20 0.6 -20.0 51 40 21946 295 14 12.7 -5.9 | 345 12 2.9 -11.1 52 38 22250 235 10 8.2 5.7 | 108 2 -1.6 0.5 53 37 22555 310 19 14.6 -12.2 | 345 18 4.8 -17.4 54 35 22860 285 16 15.5 -4.1 | 329 11 5.7 -9.4 55 33 23165 160 15 -5.1 14.1 | 121 17 -14.9 8.9 56 32 23470 120 16 -13.9 8.0 | 97 24 -23.6 2.8 57 30 23800 70 23 -21.6 -7.9 | 67 34 -31.4 -13.1 58 29 24079 90 26 -26.0 0.0 | 82 36 -35.7 -5.2 59 27 24384 45 26 -18.4 -18.4 | 50 37 -28.1 -23.6 60 26 24689 30 32 -16.0 -27.7 | 38 42 -25.7 -32.9 61 25 24994 10 18 -3.1 -17.7 | 29 26 -12.9 -23.0 62 24 25298 30 15 -7.5 -13.0 | 43 25 -17.2 -18.2 63 23 25603 115 11 -10.0 4.6 | 88 20 -19.7 -0.6 64 22 25908 105 15 -14.5 3.9 | 87 24 -24.2 -1.4 65 21 26213 115 19 -17.2 8.0 | 96 27 -27.0 2.8 66 20 26400 95 22 -21.9 1.9 | 84 32 -31.7 -3.3 67 19 26518 80 18 -17.7 -3.1 | 73 29 -27.5 -8.4 68 18 26822 100 22 -21.7 3.8 | 87 31 -31.4 -1.4 69 16 27127 70 31 -29.1 -10.6 | 68 42 -38.9 -15.8 70 15 27432 60 26 -22.5 -13.0 | 61 37 -32.3 -18.2 71 13 28042 80 21 -20.7 -3.6 | 74 32 -30.4 -8.9 72 12 28346 65 13 -11.8 -5.5 | 64 24 -21.5 -10.7 73 11 28651 100 21 -20.7 3.6 | 87 30 -30.4 -1.6 74 10 28956 75 30 -29.0 -7.8 | 71 41 -38.7 -13.0 75 9 29261 65 26 -23.6 -11.0 | 64 37 -33.3 -16.2 76 9 29566 65 20 -18.1 -8.5 | 64 31 -27.9 -13.7 Wind Parameters Mean winds (0-6000m): 211.8 at 14.8 knts Storm direction: 241.8 at 11.1 knts Shear (0-3000m) pos: 2.3 neg: 5.8 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 57.3 deg Storm rel helicity (0-3000m) pos: 67.9 neg: -74.6 tot: -6.7 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 11.0 stream: -3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 28.04 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 ------------------------------------------------------------------------------- 500 280 10 356 7| 11.7 0.0 11.7| 0.0 -28.9 -28.9 -57.9 -0.96| 14.7-14.0 1000 263 11 339 4| 5.9 7.9 13.7| 0.0 -36.7 -36.7 -36.7 -0.77| 16.8-12.8 1500 235 11 143 1| 3.9 7.6 11.5| 4.8 -45.3 -40.6 -27.1 -0.62| 14.1 -8.8 2000 206 11 132 7| 2.9 7.1 10.0| 7.0 -57.0 -50.0 -25.0 -0.57| 12.5 -7.2 2500 167 12 117 14| 2.3 6.9 9.3| 22.8 -74.6 -51.8 -20.7 -0.50| 11.7 -5.9 3000 144 14 108 19| 2.3 5.8 8.1| 67.9 -74.6 -6.7 -2.2 -0.35| 11.0 -3.9 4000 140 13 105 19| 2.7 3.3 6.1| 97.1-137.5 -40.4 -10.1 -0.32| 11.4 -3.6 5000 157 13 114 16| 3.4 2.0 5.4|100.2-159.3 -59.0 -11.8 -0.37| 11.7 -4.3 6000 212 15 165 8| 3.9 1.7 5.6|105.7-175.5 -69.9 -11.6 -0.35| 11.1 -3.8 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251218.12.gif