UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 30 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 104 SFC 957 474 26.4 18.4 61 8.0 20.8 320 4 303.3 305.9 295.5 345.0 14.05 2 925 791 24.0 17.0 65 7.0 19.2 5 11 303.8 306.3 295.1 343.4 13.29 3 892 1108 21.2 16.2 73 5.0 17.8 8 9 304.1 306.6 295.1 343.1 13.10 4 880 1226 21.0 12.0 56 9.0 15.2 7 8 305.1 307.0 293.1 335.3 10.06 5 850 1526 18.4 12.4 68 6.0 14.5 5 6 305.4 307.4 293.7 337.5 10.70 6 837 1658 17.4 11.4 68 6.0 13.6 32 6 305.7 307.6 293.4 336.3 10.17 7 831 1719 17.0 12.0 72 5.0 13.8 44 6 305.9 307.9 293.8 338.0 10.66 8 798 2065 16.6 1.6 36 15.0 8.3 114 5 309.1 310.1 290.5 325.7 5.39 9 760 2478 12.8 3.8 54 9.0 7.6 139 8 309.3 310.5 291.6 329.7 6.63 10 700 3162 7.0 -3.0 49 10.0 2.0 135 6 310.2 311.1 290.0 324.0 4.38 11 698 3186 6.6 -3.4 49 10.0 1.7 138 6 310.0 310.9 289.8 323.4 4.26 12 694 3233 6.6 -6.4 39 13.0 0.6 143 6 310.6 311.2 289.2 321.4 3.41 13 684 3352 5.6 -2.4 56 8.0 1.6 156 6 310.7 311.6 290.4 325.4 4.69 14 675 3460 5.6 -8.4 36 14.0 -0.6 168 6 311.9 312.5 289.2 321.5 3.00 15 646 3818 2.4 -0.3 82 2.7 1.0 208 6 312.2 313.3 291.8 330.4 5.80 16 613 4241 0.6 -10.4 43 11.0 -4.0 255 6 314.9 315.4 290.0 324.0 2.82 17 609 4293 1.2 -17.8 23 19.0 -5.5 260 6 316.2 316.5 289.2 321.4 1.55 18 604 4360 1.0 -31.0 7 32.0 -7.4 260 5 316.7 316.8 288.2 318.4 0.48 19 586 4603 -0.3 -41.3 3 41.0 -8.8 261 4 317.9 317.9 288.3 318.6 0.18 20 554 5052 -1.3 -33.3 7 32.0 -9.2 269 12 321.9 322.0 289.8 323.4 0.42 21 547 5153 -2.1 -50.1 1 48.0 -10.4 259 13 322.1 322.1 289.5 322.4 0.07 22 500 5860 -8.1 -17.1 48 9.0 -11.2 270 16 323.2 323.6 291.7 330.0 2.00 23 497 5907 -8.5 -17.5 48 9.0 -11.6 272 15 323.2 323.6 291.7 329.9 1.95 24 468 6370 -12.1 -26.1 30 14.0 -15.7 263 10 324.4 324.6 291.1 327.8 0.97 25 447 6719 -15.5 -24.5 46 9.0 -17.9 255 8 324.4 324.6 291.3 328.5 1.18 26 440 6838 -16.5 -26.5 42 10.0 -18.9 257 10 324.6 324.8 291.2 328.1 1.00 27 409 7385 -18.7 -59.7 1 41.0 -22.7 286 15 328.6 328.6 291.3 328.7 0.03 28 400 7550 -20.1 -57.1 2 37.0 -23.7 275 21 328.9 328.9 291.5 329.0 0.04 29 352 8482 -27.5 -56.5 5 29.0 -29.8 278 32 331.1 331.1 292.1 331.3 0.05 30 300 9620 -32.3 -66.3 2 34.0 -34.1 290 49 339.9 339.9 294.3 339.9 0.02 31 296 9714 -32.7 -66.7 2 34.0 -34.5 291 51 340.6 340.6 294.5 340.7 0.02 32 250 10880 -41.1 -71.1 2 30.0 -42.1 305 73 345.0 345.0 295.5 345.0 0.01 33 241 11129 -42.9 -72.6 2 29.6 -43.7 300 75 345.9 345.9 295.7 345.9 0.01 34 226 11561 -46.1 -75.1 2 29.0 -46.7 299 69 347.4 347.4 296.1 347.4 0.01 35 200 12370 -49.7 -78.7 2 29.0 -50.2 295 51 354.1 354.1 297.5 354.1 0.00 36 178 13123 -55.7 -81.7 2 26.0 -56.0 291 53 356.2 356.2 298.0 356.2 0.00 37 172 13342 -54.5 -82.5 2 28.0 -54.8 290 54 361.7 361.7 299.0 361.7 0.00 38 150 14210 -58.7 -86.7 2 28.0 -58.9 265 28 368.9 368.9 300.4 369.0 0.00 39 119 15628 -68.1 -88.1 4 20.0 -68.2 243 11 376.9 376.9 301.8 376.9 0.00 40 103 16486 -71.7 -89.7 5 18.0 -71.8 280 11 385.9 385.9 303.2 385.9 0.00 41 100 16660 -71.3 -89.3 5 18.0 -71.3 240 10 390.0 390.0 303.8 390.0 0.00 42 70 18750 -76.7 -90.7 9 14.0 -76.7 105 15 420.3 420.3 307.7 420.3 0.00 43 64 19262 -78.1 -91.1 10 13.0 -78.1 80 16 428.1 428.1 308.6 428.1 0.00 44 59 19726 -76.5 -90.5 9 14.0 -76.6 71 15 441.8 441.8 310.1 441.8 0.00 45 53 20354 -68.9 -90.9 3 22.0 -69.1 72 11 473.2 473.2 312.9 473.2 0.00 46 50 20700 -70.7 -91.7 3 21.0 -70.8 115 14 476.9 476.9 313.2 476.9 0.00 47 43 21614 -63.5 -90.5 1 27.0 -63.9 104 12 515.6 515.6 316.0 515.6 0.00 48 37 22541 -63.3 -90.3 1 27.0 -63.8 120 16 538.8 538.8 317.5 538.8 0.00 49 35 22883 -63.7 -90.7 1 27.0 -64.2 96 29 546.4 546.4 317.9 546.4 0.00 50 30 23850 -55.7 -87.7 1 32.0 -57.2 115 13 592.8 592.8 320.3 592.8 0.01 51 26 24761 -55.9 -86.9 1 31.0 -57.5 94 22 617.0 617.0 321.3 617.0 0.01 52 20 26450 -51.1 -86.1 1 35.0 -54.3 70 20 679.8 679.8 323.7 679.8 0.01 53 16 27915 -46.9 -83.9 1 37.0 -52.1 90 29 738.3 738.3 325.6 738.4 0.02 54 14 28794 -50.1 -85.1 1 35.0 -54.5 74 38 756.2 756.2 326.1 756.3 0.02 55 12 29814 -44.1 -84.1 0 40.0 -51.5 100 37 811.5 811.5 327.5 811.7 0.03 TRP 64 19262 -78.1 -91.1 10 13.0 -78.1 80 16 428.1 428.1 308.6 428.1 0.00 WND 241 11129 -42.9 -72.6 2 29.6 -43.7 300 75 345.9 345.9 295.7 345.9 0.01 Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 590.15 mb = 4546.61 m = 14916.50 ft Wetbulb zero: 677.44 mb = 3430.72 m = 11255.51 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 43.91 % Est. max temperature: 31.19 C = 88.15 F Sfc-Lift cond lev (LCL): 851.63 mb = 1509.48 m = 4952.29 ft T: 18.54 C 700-500 lapse rate: 5.60 C/km ThetaE index: 12.23 C Layer 798.0- 760.0 mb Conv cond level (CCL): 761.93 mb = 2456.28 m = 8058.57 ft Mean mixing ratio: 12.45 g/kg Conv temperature: 32.28 C = 90.10 F Cap Strength: 3.46 C Lifted Index: -1.85 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.96 C Lifted Index @700 mb: -1.11 C Showalter Index: -0.27 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 20.50 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 176.80 Risk: None Energy Index: -1.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 508.38 J/kg Max Up Vert Vel: 31.89 m/s Conv Inhibition (B-): 96.25 J/kg Cap Strength: 3.40 C Lift Cond Lev (LCL): 818.08 mb = 1852.90 m = 6078.99 ft Lev Free Conv (LFC): 723.08 mb = 2892.03 m = 9488.18 ft Equ Level (EL): 553.08 mb = 5064.89 m = 16616.89 ft B at Equ Level: 106.50 J/kg Max Parcel Lev (MPL): 193.08 mb = 12597.27 m = 41329.12 ft Wind level data Storm motion: 298 at 7 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 ---------------------------------------------------------- 0 957 474 320 4 2.6 -3.1 | 92 3 -3.4 0.1 1 943 610 5 5 -0.4 -5.0 | 74 7 -6.4 -1.8 2 925 791 5 11 -1.0 -11.0 | 42 10 -6.9 -7.8 3 912 914 10 11 -1.9 -10.8 | 46 11 -7.9 -7.6 4 850 1526 5 6 -0.5 -6.0 | 67 7 -6.5 -2.8 5 791 2134 130 5 -3.8 3.2 | 123 12 -9.8 6.4 6 763 2438 140 8 -5.1 6.1 | 130 15 -11.1 9.3 7 710 3048 125 10 -8.2 5.7 | 122 17 -14.2 8.9 8 700 3162 135 6 -4.2 4.2 | 126 13 -10.2 7.4 9 610 4267 260 6 5.9 1.0 | 179 4 -0.1 4.2 10 587 4572 260 4 3.9 0.7 | 152 4 -2.0 3.9 11 565 4877 285 10 9.7 -2.6 | 261 4 3.7 0.6 12 544 5182 255 13 12.6 3.4 | 225 9 6.6 6.6 13 504 5791 270 22 22.0 -0.0 | 259 16 16.0 3.2 14 500 5860 270 16 16.0 -0.0 | 252 11 10.0 3.2 15 485 6096 280 13 12.8 -2.3 | 262 7 6.8 0.9 16 466 6401 260 10 9.8 1.7 | 218 6 3.9 4.9 17 447 6706 255 8 7.7 2.1 | 198 6 1.8 5.3 18 430 7010 260 12 11.8 2.1 | 228 8 5.8 5.3 19 413 7315 290 12 11.3 -4.1 | 280 5 5.3 -0.9 20 400 7550 275 21 20.9 -1.8 | 265 15 15.0 1.4 21 380 7925 275 29 28.9 -2.5 | 268 23 22.9 0.7 22 364 8230 275 29 28.9 -2.5 | 268 23 22.9 0.7 23 300 9620 290 49 46.0 -16.8 | 289 42 40.1 -13.6 24 250 10880 305 73 59.8 -41.9 | 306 66 53.8 -38.7 25 241 11129 300 75 65.0 -37.5 | 300 68 59.0 -34.3 26 236 11278 300 75 65.0 -37.5 | 300 68 59.0 -34.3 27 200 12370 295 51 46.2 -21.6 | 295 44 40.3 -18.4 28 170 13411 290 54 50.7 -18.5 | 289 47 44.8 -15.3 29 155 14021 260 36 35.5 6.3 | 252 31 29.5 9.4 30 150 14210 265 28 27.9 2.4 | 256 23 21.9 5.6 31 140 14630 265 28 27.9 2.4 | 256 23 21.9 5.6 32 126 15240 225 23 16.3 16.3 | 208 22 10.3 19.5 33 120 15545 240 11 9.5 5.5 | 202 9 3.6 8.7 34 114 15850 255 12 11.6 3.1 | 222 8 5.6 6.3 35 109 16154 215 15 8.6 12.3 | 190 16 2.6 15.5 36 103 16459 285 11 10.6 -2.8 | 266 5 4.7 0.3 37 100 16660 240 10 8.7 5.0 | 198 9 2.7 8.2 38 93 17069 275 10 10.0 -0.9 | 240 5 4.0 2.3 39 89 17374 290 12 11.3 -4.1 | 280 5 5.3 -0.9 40 76 18288 50 2 -1.5 -1.3 | 104 8 -7.5 1.9 41 72 18593 130 10 -7.7 6.4 | 125 17 -13.6 9.6 42 70 18750 105 15 -14.5 3.9 | 109 22 -20.5 7.1 43 68 18898 135 15 -10.6 10.6 | 130 22 -16.6 13.8 44 65 19202 100 19 -18.7 3.3 | 105 26 -24.7 6.5 45 64 19262 80 16 -15.8 -2.8 | 91 22 -21.7 0.4 46 58 19812 70 15 -14.1 -5.1 | 84 20 -20.1 -1.9 47 55 20117 80 11 -10.8 -1.9 | 94 17 -16.8 1.3 48 52 20422 70 11 -10.3 -3.8 | 88 16 -16.3 -0.6 49 50 20700 115 14 -12.7 5.9 | 116 21 -18.7 9.1 50 50 20726 80 1 -1.0 -0.2 | 113 8 -7.0 3.0 51 47 21031 120 10 -8.7 5.0 | 119 17 -14.6 8.2 52 45 21336 90 22 -22.0 0.0 | 97 28 -28.0 3.2 53 43 21641 105 12 -11.6 3.1 | 110 19 -17.6 6.3 54 41 21946 110 25 -23.5 8.6 | 112 32 -29.5 11.7 55 39 22250 75 19 -18.4 -4.9 | 86 24 -24.3 -1.7 56 37 22555 120 16 -13.9 8.0 | 119 23 -19.8 11.2 57 35 22860 100 29 -28.6 5.0 | 103 35 -34.5 8.2 58 34 23165 70 26 -24.4 -8.9 | 79 31 -30.4 -5.7 59 32 23470 110 23 -21.6 7.9 | 112 30 -27.6 11.1 60 30 23774 90 17 -17.0 0.0 | 98 23 -23.0 3.2 61 30 23850 115 13 -11.8 5.5 | 116 20 -17.8 8.7 62 29 24079 115 13 -11.8 5.5 | 116 20 -17.8 8.7 63 28 24384 120 21 -18.2 10.5 | 120 28 -24.2 13.7 64 26 24689 100 23 -22.7 4.0 | 104 30 -28.6 7.2 65 25 24994 75 19 -18.4 -4.9 | 86 24 -24.3 -1.7 66 24 25298 55 17 -13.9 -9.8 | 72 21 -19.9 -6.6 67 23 25603 60 15 -13.0 -7.5 | 77 19 -19.0 -4.3 68 22 25908 105 23 -22.2 6.0 | 108 30 -28.2 9.1 69 21 26213 95 30 -29.9 2.6 | 99 36 -35.9 5.8 70 20 26450 70 20 -18.8 -6.8 | 82 25 -24.8 -3.7 71 20 26518 90 15 -15.0 0.0 | 99 21 -21.0 3.2 72 18 26822 70 19 -17.9 -6.5 | 82 24 -23.8 -3.3 73 17 27127 85 31 -30.9 -2.7 | 91 37 -36.9 0.5 74 15 27432 95 27 -26.9 2.4 | 100 33 -32.9 5.5 75 14 27737 75 39 -37.7 -10.1 | 81 44 -43.6 -6.9 76 13 28042 70 30 -28.2 -10.3 | 78 35 -34.2 -7.1 77 12 28346 100 37 -36.4 6.4 | 103 43 -42.4 9.6 78 10 28956 55 44 -36.0 -25.2 | 62 47 -42.0 -22.0 79 8 29870 85 34 -33.9 -3.0 | 90 40 -39.8 0.2 80 7 30175 65 37 -33.5 -15.6 | 73 41 -39.5 -12.4 Wind Parameters Mean winds (0-6000m): 268.1 at 9.0 knts Storm direction: 298.1 at 6.8 knts Shear (0-3000m) pos: 1.0 neg: 0.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 50.4 deg Storm rel helicity (0-3000m) pos: 56.4 neg: -17.1 tot: 39.3 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.1 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 23.51 Bulk Shear: 21.63 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 4 8 53 8| 8.7 0.0 8.7| 1.7 -9.9 -8.2 -16.4 -0.49| 10.3 -5.1 1000 6 8 53 9| 4.4 2.1 6.5| 7.6 -9.9 -2.3 -2.3 -0.17| 7.3 -1.2 1500 13 7 62 9| 3.1 1.4 4.5| 28.1 -9.9 18.2 12.1 0.23| 8.0 1.8 2000 27 7 71 10| 2.7 1.1 3.7| 42.5 -9.9 32.6 16.3 0.33| 7.5 2.5 2500 58 7 87 12| 2.1 0.8 3.0| 42.5 -17.1 25.4 10.2 0.25| 6.6 1.7 3000 79 7 98 13| 1.0 0.7 1.7| 56.4 -17.1 39.3 13.1 0.31| 6.8 2.1 4000 90 7 104 13| 0.4 0.5 0.9| 69.3 -18.5 50.8 12.7 0.33| 6.4 2.1 5000 261 8 200 5| 1.0 0.9 1.9| 84.3 -25.3 59.0 11.8 0.32| 7.1 2.3 6000 268 9 221 5| 0.8 0.9 1.6|100.7 -38.2 62.4 10.4 0.23| 7.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251230.12.gif