UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 16 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 150 SFC 961 474 21.6 11.6 53 10.0 15.4 20 6 298.1 299.7 290.0 324.3 8.96 2 925 826 19.6 10.6 56 9.0 14.0 275 8 299.4 300.9 290.2 324.9 8.70 3 890 1157 18.0 8.0 52 10.0 12.0 249 14 301.0 302.4 289.8 323.5 7.58 4 850 1549 14.4 6.4 59 8.0 9.7 235 13 301.2 302.5 289.5 322.4 7.11 5 835 1699 13.0 6.0 62 7.0 9.0 229 13 301.3 302.6 289.5 322.2 7.04 6 700 3153 2.2 -5.8 55 8.0 -1.4 210 27 304.9 305.6 287.4 315.9 3.54 7 695 3211 2.0 -5.0 60 7.0 -1.2 209 28 305.3 306.0 287.8 317.0 3.79 8 682 3364 4.4 -19.6 16 24.0 -3.7 206 32 309.7 309.9 286.6 313.6 1.18 9 616 4186 0.6 -29.4 8 30.0 -7.4 221 36 314.4 314.5 287.5 316.3 0.54 10 559 4956 -5.9 -26.9 17 21.0 -11.4 233 35 315.6 315.8 288.2 318.2 0.76 11 500 5820 -11.7 -42.7 6 31.0 -16.7 220 29 318.8 318.8 288.6 319.4 0.18 12 448 6652 -17.1 -51.1 3 34.0 -21.1 224 29 322.2 322.2 289.5 322.5 0.08 13 400 7490 -23.9 -56.9 3 33.0 -26.6 220 31 323.9 323.9 290.0 324.1 0.04 14 331 8839 -34.7 -59.7 6 25.0 -36.0 243 36 327.1 327.1 290.9 327.3 0.04 15 322 9031 -34.9 -62.9 4 28.0 -36.2 242 39 329.4 329.5 291.6 329.6 0.03 16 300 9520 -39.1 -62.1 7 23.0 -40.1 245 49 330.3 330.3 291.8 330.4 0.03 17 297 9589 -39.7 -62.7 7 23.0 -40.6 248 49 330.4 330.4 291.9 330.5 0.03 18 250 10750 -46.7 -71.7 4 25.0 -47.3 265 61 336.6 336.6 293.5 336.7 0.01 19 220 11589 -51.9 -72.9 6 21.0 -52.2 276 76 341.2 341.2 294.6 341.2 0.01 20 213 11800 -49.9 -73.9 4 24.0 -50.4 279 80 347.4 347.4 296.1 347.5 0.01 21 200 12210 -52.7 -74.7 5 22.0 -53.1 285 88 349.3 349.3 296.5 349.3 0.01 22 172 13177 -56.7 -78.7 5 22.0 -56.9 285 96 358.1 358.1 298.3 358.1 0.00 23 159 13674 -58.4 -82.1 3 23.7 -58.6 285 98 363.3 363.3 299.4 363.3 0.00 24 150 14040 -59.7 -84.7 2 25.0 -59.9 285 94 367.2 367.2 300.1 367.2 0.00 25 120 15406 -65.9 -87.9 3 22.0 -66.0 279 80 380.1 380.1 302.2 380.1 0.00 26 119 15456 -65.3 -88.3 3 23.0 -65.4 279 80 382.1 382.1 302.6 382.1 0.00 27 101 16432 -72.5 -90.5 5 18.0 -72.6 275 70 386.5 386.5 303.3 386.6 0.00 28 100 16490 -72.5 -90.5 5 18.0 -72.6 275 69 387.6 387.6 303.5 387.7 0.00 29 99 16549 -72.9 -89.9 6 17.0 -72.9 270 68 388.0 388.0 303.5 388.0 0.00 30 89 17176 -73.3 -88.3 8 15.0 -73.3 275 69 399.2 399.2 305.1 399.2 0.00 31 72 18432 -69.7 -88.7 5 19.0 -69.8 266 28 431.8 431.8 309.0 431.8 0.00 32 70 18600 -70.5 -89.5 4 19.0 -70.6 270 22 433.6 433.6 309.2 433.6 0.00 33 62 19314 -73.1 -90.1 6 17.0 -73.2 296 20 443.1 443.1 310.2 443.1 0.00 34 55 20030 -64.1 -90.1 2 26.0 -64.4 267 30 479.2 479.2 313.4 479.2 0.00 35 50 20610 -65.9 -89.9 2 24.0 -66.2 310 15 488.2 488.2 314.1 488.2 0.00 36 47 20987 -63.7 -89.7 2 26.0 -64.1 309 15 502.2 502.2 315.1 502.2 0.00 37 43 21530 -65.7 -90.7 2 25.0 -66.0 333 22 510.2 510.2 315.7 510.2 0.00 38 41 21823 -60.9 -89.9 1 29.0 -61.5 323 26 529.2 529.2 316.9 529.2 0.00 39 40 21976 -61.7 -88.7 2 27.0 -62.3 322 27 530.9 530.9 317.0 530.9 0.00 40 36 22629 -60.9 -88.9 1 28.0 -61.6 296 23 549.2 549.2 318.1 549.2 0.00 41 33 23175 -56.5 -86.5 1 30.0 -57.8 282 22 574.7 574.7 319.4 574.8 0.01 42 30 23780 -56.5 -86.5 1 30.0 -57.9 165 14 590.6 590.6 320.2 590.7 0.01 43 28 24220 -55.9 -85.9 1 30.0 -57.4 151 16 604.0 604.1 320.8 604.1 0.01 44 25 24939 -58.7 -87.7 1 29.0 -59.9 87 28 615.9 615.9 321.3 616.0 0.01 45 21 26054 -52.3 -84.3 1 32.0 -55.1 60 25 666.7 666.7 323.3 666.8 0.02 46 20 26370 -52.7 -84.7 1 32.0 -55.5 75 25 674.9 674.9 323.6 675.0 0.02 47 19 26701 -52.9 -84.9 1 32.0 -55.7 88 26 684.2 684.2 323.9 684.3 0.02 48 12 29718 -45.1 -81.1 1 36.0 -52.0 90 25 807.9 808.0 327.4 808.4 0.05 TRP 99 16549 -72.9 -89.9 6 17.0 -72.9 270 68 388.0 388.0 303.5 388.0 0.00 WND 159 13674 -58.4 -82.1 3 23.7 -58.6 285 98 363.3 363.3 299.4 363.3 0.00 Sounding variables and indices 1000-500 mb thick: 5670.00 m Freezing level: 610.74 mb = 4257.15 m = 13966.86 ft Wetbulb zero: 717.72 mb = 2946.93 m = 9668.28 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 35.27 % Est. max temperature: 25.36 C = 77.64 F Sfc-Lift cond lev (LCL): 828.84 mb = 1760.09 m = 5774.49 ft T: 12.55 C 700-500 lapse rate: 5.21 C/km ThetaE index: 9.04 C Layer 890.0- 695.0 mb Conv cond level (CCL): 752.21 mb = 2559.94 m = 8398.65 ft Mean mixing ratio: 8.16 g/kg Conv temperature: 26.91 C = 80.43 F Cap Strength: 4.39 C Lifted Index: 2.52 C Risk: None Lifted Index @300 mb: 5.09 C Lifted Index @700 mb: 0.13 C Showalter Index: 3.40 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 18.10 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 131.80 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.12 J/kg Max Up Vert Vel: 5.31 m/s Conv Inhibition (B-): 37479.59 J/kg Cap Strength: 4.33 C Lift Cond Lev (LCL): 790.92 mb = 2146.18 m = 7041.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 19 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 ---------------------------------------------------------- 0 961 474 20 6 -2.1 -5.6 | 58 23 -19.7 -12.4 1 947 610 40 4 -2.6 -3.1 | 64 22 -20.2 -9.9 2 925 826 275 8 8.0 -0.7 | 52 12 -9.7 -7.5 3 915 914 265 10 10.0 0.9 | 52 10 -7.7 -5.9 4 883 1219 245 15 13.6 6.3 | 83 4 -4.0 -0.5 5 850 1549 235 13 10.6 7.5 | 95 7 -7.0 0.7 6 792 2134 210 14 7.0 12.1 | 117 12 -10.6 5.3 7 763 2438 195 18 4.7 17.4 | 129 17 -13.0 10.6 8 736 2743 195 18 4.7 17.4 | 129 17 -13.0 10.6 9 709 3048 210 27 13.5 23.4 | 166 17 -4.1 16.6 10 700 3153 210 27 13.5 23.4 | 166 17 -4.1 16.6 11 657 3658 200 38 13.0 35.7 | 171 29 -4.6 28.9 12 608 4267 225 36 25.5 25.5 | 203 20 7.8 18.7 13 563 4877 235 35 28.7 20.1 | 220 17 11.1 13.3 14 521 5486 215 31 17.8 25.4 | 180 19 0.2 18.6 15 500 5820 220 29 18.6 22.2 | 184 15 1.0 15.4 16 482 6096 220 29 18.6 22.2 | 184 15 1.0 15.4 17 463 6401 225 29 20.5 20.5 | 192 14 2.9 13.7 18 400 7490 220 31 19.9 23.7 | 188 17 2.3 16.9 19 376 7925 215 30 17.2 24.6 | 179 18 -0.4 17.8 20 360 8230 235 31 25.4 17.8 | 215 13 7.8 11.0 21 345 8534 245 31 28.1 13.1 | 239 12 10.5 6.3 22 303 9449 240 46 39.8 23.0 | 234 27 22.2 16.2 23 300 9520 245 49 44.4 20.7 | 243 30 26.8 13.9 24 277 10058 265 50 49.8 4.4 | 274 32 32.2 -2.4 25 250 10750 265 61 60.8 5.3 | 272 43 43.1 -1.5 26 200 12210 285 88 85.0 -22.8 | 294 74 67.4 -29.6 27 191 12497 285 94 90.8 -24.3 | 293 80 73.2 -31.1 28 159 13674 285 98 94.7 -25.4 | 293 83 77.0 -32.2 29 150 14021 285 98 94.7 -25.4 | 293 83 77.0 -32.2 30 150 14040 285 94 90.8 -24.3 | 293 80 73.2 -31.1 31 100 16490 275 69 68.7 -6.0 | 284 53 51.1 -12.8 32 99 16549 270 68 68.0 -0.0 | 278 51 50.4 -6.8 33 95 16764 275 69 68.7 -6.0 | 284 53 51.1 -12.8 34 86 17374 275 69 68.7 -6.0 | 284 53 51.1 -12.8 35 78 17983 255 45 43.5 11.6 | 259 26 25.8 4.8 36 70 18600 270 22 22.0 -0.0 | 327 8 4.4 -6.8 37 67 18898 275 21 20.9 -1.8 | 339 9 3.3 -8.6 38 63 19202 290 16 15.0 -5.5 | 12 13 -2.6 -12.3 39 60 19507 305 26 21.3 -14.9 | 350 22 3.7 -21.7 40 57 19812 275 24 23.9 -2.1 | 325 11 6.3 -8.9 41 54 20117 265 32 31.9 2.8 | 286 15 14.3 -4.0 42 52 20422 340 10 3.4 -9.4 | 41 22 -14.2 -16.2 43 50 20610 310 15 11.5 -9.6 | 20 18 -6.1 -16.4 44 49 20726 335 16 6.8 -14.5 | 27 24 -10.9 -21.3 45 47 21031 305 15 12.3 -8.6 | 19 16 -5.3 -15.4 46 44 21336 340 20 6.8 -18.8 | 23 28 -10.8 -25.6 47 40 21946 320 27 17.4 -20.7 | 1 27 -0.3 -27.5 48 38 22250 330 26 13.0 -22.5 | 9 30 -4.6 -29.3 49 37 22555 290 23 21.6 -7.9 | 345 15 4.0 -14.7 50 35 22860 310 24 18.4 -15.4 | 358 22 0.8 -22.2 51 33 23165 285 22 21.3 -5.7 | 344 13 3.6 -12.5 52 30 23774 215 13 7.5 10.6 | 111 11 -10.2 3.8 53 30 23780 165 14 -3.6 13.5 | 108 22 -21.2 6.7 54 29 24079 170 12 -2.1 11.8 | 104 20 -19.7 5.0 55 27 24384 130 21 -16.1 13.5 | 101 34 -33.7 6.7 56 24 25298 60 33 -28.6 -16.5 | 63 52 -46.2 -23.3 57 23 25603 50 33 -25.3 -21.2 | 57 51 -42.9 -28.0 58 22 25908 65 25 -22.7 -10.6 | 67 44 -40.3 -17.4 59 20 26213 55 26 -21.3 -14.9 | 61 45 -38.9 -21.7 60 20 26370 75 25 -24.1 -6.5 | 72 44 -41.8 -13.3 61 19 26518 90 26 -26.0 0.0 | 81 44 -43.6 -6.8 62 18 26822 75 23 -22.2 -6.0 | 72 42 -39.8 -12.8 63 16 27127 80 20 -19.7 -3.5 | 75 39 -37.3 -10.3 64 15 27432 75 30 -29.0 -7.8 | 73 49 -46.6 -14.6 65 13 28042 95 28 -27.9 2.4 | 85 46 -45.5 -4.4 66 12 28346 85 23 -22.9 -2.0 | 78 41 -40.5 -8.8 67 11 28651 115 25 -22.7 10.6 | 95 40 -40.3 3.8 68 10 28956 90 33 -33.0 0.0 | 82 51 -50.6 -6.8 69 9 29261 100 27 -26.6 4.7 | 87 44 -44.2 -2.1 70 8 29566 85 35 -34.9 -3.1 | 79 53 -52.5 -9.9 71 8 29870 85 31 -30.9 -2.7 | 79 49 -48.5 -9.5 Wind Parameters Mean winds (0-6000m): 218.9 at 25.2 knts Storm direction: 248.9 at 18.9 knts Shear (0-3000m) pos: 1.4 neg: 5.7 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 113.0 deg Storm rel helicity (0-3000m) pos: 95.5 neg: -28.0 tot: 67.5 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 80.66 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 ------------------------------------------------------------------------------- 500 297 7 49 15| 0.0 15.3 15.3| 15.6 -28.0 -12.3 -24.7 -0.12| 19.1 -2.2 1000 256 10 60 9| 0.0 9.6 9.6| 21.1 -28.0 -6.8 -6.8 0.07| 13.4 0.9 1500 243 11 78 8| 0.0 6.7 6.7| 27.2 -28.0 -0.8 -0.5 0.15| 10.6 1.5 2000 229 12 99 8| 0.0 6.2 6.2| 39.5 -28.0 11.5 5.8 0.21| 9.9 2.1 2500 219 14 114 10| 1.6 4.9 6.6| 74.8 -28.0 46.8 18.7 0.35| 9.6 3.3 3000 215 17 130 10| 1.4 5.7 7.1| 95.5 -28.0 67.5 22.5 0.36| 9.8 3.5 4000 214 22 154 12| 2.5 4.3 6.8|193.3 -28.0 165.3 41.3 0.45| 10.2 4.6 5000 219 24 168 12| 2.1 3.7 5.8|210.9 -83.0 127.9 25.6 0.29| 9.8 2.8 6000 219 25 172 13| 2.1 3.1 5.2|222.1 -83.0 139.1 23.2 0.30| 8.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251216.12.gif