UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 25 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 129 SFC 959 474 20.6 17.5 82 3.1 18.5 260 12 297.3 299.7 293.2 335.6 13.23 2 925 804 18.4 15.5 83 2.9 16.5 195 14 298.1 300.3 292.6 333.2 12.06 3 850 1527 15.6 10.6 72 5.0 12.5 175 18 302.5 304.2 291.9 330.6 9.48 4 815 1883 14.4 8.4 67 6.0 10.7 182 9 304.9 306.5 291.9 330.5 8.52 5 768 2383 10.8 5.8 71 5.0 7.9 139 5 306.2 307.6 291.5 329.1 7.55 6 738 2715 10.6 -0.4 46 11.0 4.8 116 10 309.5 310.5 290.3 325.2 5.04 7 733 2772 10.6 -6.4 30 17.0 2.7 115 11 310.1 310.7 288.8 320.3 3.23 8 715 2979 8.8 -2.2 46 11.0 3.2 115 14 310.3 311.2 290.2 324.6 4.55 9 700 3154 7.6 -4.4 42 12.0 1.8 115 16 310.9 311.6 289.8 323.3 3.94 10 616 4192 1.4 -15.6 27 17.0 -5.0 155 18 315.4 315.7 289.2 321.5 1.84 11 537 5277 -7.5 -14.5 57 7.0 -10.1 204 22 317.3 317.8 290.3 325.0 2.31 12 523 5482 -7.7 -28.7 17 21.0 -12.9 213 27 319.5 319.6 289.3 321.9 0.68 13 500 5830 -9.7 -30.7 16 21.0 -14.6 230 36 321.2 321.3 289.8 323.3 0.59 14 466 6371 -13.3 -38.3 10 25.0 -17.8 249 37 323.3 323.3 290.1 324.4 0.30 15 425 7067 -17.7 -31.7 28 14.0 -20.6 271 38 326.3 326.4 291.3 328.6 0.63 16 416 7227 -18.1 -20.3 83 2.2 -18.7 274 40 327.8 328.1 292.8 334.1 1.83 17 411 7318 -18.3 -24.3 59 6.0 -19.9 276 42 328.6 328.9 292.6 333.3 1.30 18 407 7391 -18.9 -21.8 78 2.9 -19.7 277 43 328.8 329.1 292.9 334.5 1.64 19 400 7520 -19.9 -22.9 77 3.0 -20.7 280 45 329.1 329.4 292.9 334.5 1.52 20 377 7958 -22.3 -23.3 92 1.0 -22.5 295 46 331.6 331.9 293.6 337.1 1.55 21 368 8136 -23.7 -24.5 93 0.8 -23.9 301 46 332.0 332.3 293.6 337.1 1.43 22 343 8648 -26.7 -40.7 25 14.0 -28.6 313 54 334.7 334.7 293.3 335.9 0.32 23 338 8754 -26.7 -29.7 76 3.0 -27.3 316 56 336.1 336.3 294.2 339.7 0.96 24 317 9216 -29.5 -29.8 97 0.3 -29.6 325 64 338.4 338.6 294.8 342.2 1.02 25 311 9353 -28.9 -32.2 73 3.3 -29.5 328 67 341.1 341.3 295.3 344.2 0.83 26 300 9610 -30.7 -34.3 71 3.6 -31.3 325 71 342.1 342.3 295.4 344.8 0.70 27 294 9753 -31.9 -36.9 61 5.0 -32.6 322 73 342.4 342.5 295.4 344.5 0.55 28 285 9973 -33.3 -49.3 19 16.0 -34.7 318 76 343.4 343.5 295.3 344.1 0.15 29 271 10325 -36.3 -49.3 25 13.0 -37.4 312 80 344.1 344.1 295.4 344.7 0.16 30 267 10428 -36.7 -62.7 5 26.0 -38.1 310 82 345.0 345.0 295.6 345.1 0.03 31 257 10691 -39.1 -46.1 47 7.0 -39.7 305 85 345.2 345.2 295.8 346.2 0.24 32 250 10880 -40.7 -47.7 47 7.0 -41.2 310 87 345.6 345.6 295.8 346.4 0.21 33 239 11184 -43.3 -49.3 52 6.0 -43.7 308 87 346.1 346.2 295.9 346.9 0.18 34 234 11326 -44.5 -49.0 61 4.5 -44.8 307 88 346.4 346.4 296.0 347.2 0.19 35 232 11383 -44.9 -47.7 73 2.8 -45.1 307 88 346.6 346.7 296.1 347.5 0.22 36 229 11470 -45.3 -55.3 32 10.0 -45.8 306 88 347.3 347.3 296.1 347.7 0.09 37 226 11558 -45.7 -57.7 25 12.0 -46.2 305 88 348.0 348.0 296.3 348.3 0.07 38 209 12074 -49.5 -56.5 44 7.0 -49.8 302 89 350.0 350.0 296.7 350.3 0.09 39 206 12168 -50.5 -63.5 20 13.0 -50.8 301 89 349.8 349.8 296.6 350.0 0.04 40 200 12360 -52.1 -56.8 57 4.7 -52.2 300 89 350.3 350.3 296.8 350.6 0.09 41 199 12392 -52.5 -56.4 63 3.9 -52.7 300 89 350.1 350.2 296.7 350.5 0.09 42 197 12458 -52.9 -60.9 37 8.0 -53.1 299 89 350.5 350.5 296.8 350.7 0.05 43 196 12490 -53.1 -55.6 74 2.5 -53.2 299 90 350.7 350.7 296.9 351.1 0.10 44 188 12758 -55.3 -60.3 54 5.0 -55.4 298 91 351.4 351.4 297.0 351.6 0.06 45 186 12826 -55.9 -70.9 14 15.0 -56.1 297 91 351.5 351.5 297.0 351.5 0.01 46 180 13034 -57.9 -69.9 20 12.0 -58.1 296 92 351.5 351.5 297.0 351.6 0.02 47 176 13175 -58.7 -62.2 64 3.5 -58.7 295 93 352.5 352.5 297.2 352.7 0.05 48 175 13211 -59.0 -69.7 24 10.7 -59.2 295 93 352.5 352.5 297.2 352.6 0.02 49 174 13247 -59.3 -77.3 8 18.0 -59.5 295 93 352.6 352.6 297.2 352.6 0.01 50 172 13319 -60.1 -66.1 45 6.0 -60.2 295 93 352.5 352.5 297.2 352.6 0.03 51 169 13429 -60.9 -64.1 66 3.2 -61.0 295 93 352.9 352.9 297.3 353.1 0.04 52 167 13502 -61.5 -65.0 63 3.5 -61.6 294 93 353.1 353.1 297.3 353.3 0.04 53 164 13615 -62.3 -76.3 14 14.0 -62.4 294 92 353.6 353.6 297.4 353.6 0.01 54 150 14160 -66.7 -74.7 32 8.0 -66.8 290 90 355.2 355.2 297.7 355.2 0.01 55 148 14241 -67.1 -78.1 20 11.0 -67.2 291 89 355.9 355.9 297.9 355.9 0.01 56 135 14791 -68.1 -85.1 7 17.0 -68.2 294 85 363.6 363.6 299.4 363.6 0.00 57 112 15890 -74.1 -87.1 12 13.0 -74.2 280 75 372.3 372.3 300.9 372.3 0.00 58 101 16500 -67.5 -89.5 3 22.0 -67.6 267 47 396.2 396.2 304.7 396.2 0.00 59 100 16560 -67.5 -89.5 3 22.0 -67.6 270 27 397.3 397.3 304.8 397.3 0.00 60 70 18660 -77.1 -89.1 13 12.0 -77.1 340 18 419.4 419.4 307.6 419.4 0.00 61 66 18997 -79.3 -90.3 15 11.0 -79.3 343 19 421.8 421.8 307.9 421.8 0.00 62 62 19359 -71.7 -89.7 5 18.0 -71.8 351 16 446.2 446.2 310.5 446.2 0.00 63 59 19652 -72.3 -90.3 5 18.0 -72.4 27 7 451.2 451.2 311.0 451.2 0.00 64 50 20640 -66.9 -89.9 3 23.0 -67.1 20 13 485.8 485.8 313.9 485.8 0.00 65 46 21146 -66.1 -90.1 2 24.0 -66.4 345 13 499.5 499.5 314.9 499.5 0.00 66 45 21282 -60.7 -88.7 1 28.0 -61.3 314 14 515.7 515.7 316.0 515.8 0.00 67 40 22013 -63.3 -89.3 2 26.0 -63.8 147 19 526.9 526.9 316.7 526.9 0.00 68 37 22499 -57.9 -87.9 1 30.0 -58.9 191 11 552.6 552.6 318.2 552.7 0.00 69 35 22849 -59.5 -87.5 1 28.0 -60.3 154 12 557.3 557.3 318.5 557.3 0.01 70 30 23830 -53.3 -85.3 1 32.0 -55.2 100 30 599.3 599.3 320.6 599.4 0.01 71 28 24271 -54.9 -85.9 1 31.0 -56.6 88 32 606.8 606.8 320.9 606.9 0.01 72 20 26440 -49.5 -83.5 1 34.0 -53.1 115 27 684.7 684.7 323.9 684.8 0.02 73 17 27506 -48.9 -83.9 1 35.0 -53.2 97 30 719.2 719.2 325.0 719.3 0.02 74 16 27904 -49.5 -83.5 1 34.0 -53.7 83 34 729.8 729.8 325.4 730.0 0.02 75 12 29825 -40.7 -80.7 1 40.0 -49.8 78 28 823.5 823.6 327.8 824.0 0.05 TRP 112 15890 -74.1 -87.1 12 13.0 -74.2 280 75 372.3 372.3 300.9 372.3 0.00 WND 175 13211 -59.0 -69.7 24 10.7 -59.2 295 93 352.5 352.5 297.2 352.6 0.02 Sounding variables and indices 1000-500 mb thick: 5701.00 m Freezing level: 603.57 mb = 4362.84 m = 14313.59 ft Wetbulb zero: 677.84 mb = 3415.26 m = 11204.80 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 50.65 % Est. max temperature: 28.26 C = 82.88 F Sfc-Lift cond lev (LCL): 916.29 mb = 884.87 m = 2903.08 ft T: 18.09 C 700-500 lapse rate: 6.46 C/km ThetaE index: 15.23 C Layer 925.0- 715.0 mb Conv cond level (CCL): 787.09 mb = 2176.19 m = 7139.66 ft Mean mixing ratio: 11.48 g/kg Conv temperature: 28.88 C = 83.98 F Cap Strength: 3.37 C Lifted Index: 0.18 C Risk: Showers probable Lifted Index @300 mb: 7.78 C Lifted Index @700 mb: 2.31 C Showalter Index: 1.24 C Risk: Showers probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 20.30 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 326.59 Risk: Showers and thunderstorms possible Energy Index: -1.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.89 J/kg Max Up Vert Vel: 7.60 m/s Conv Inhibition (B-): 251.23 J/kg Cap Strength: 3.35 C Lift Cond Lev (LCL): 862.22 mb = 1404.98 m = 4609.44 ft Lev Free Conv (LFC): 567.22 mb = 4844.18 m = 15892.79 ft Equ Level (EL): 517.22 mb = 5568.04 m = 18267.63 ft B at Equ Level: 28.63 J/kg Max Parcel Lev (MPL): 407.22 mb = 7386.85 m = 24234.78 ft Wind level data Storm motion: 219 at 14 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 ---------------------------------------------------------- 0 959 474 260 12 11.8 2.1 | 339 9 3.2 -8.5 1 945 610 220 10 6.4 7.7 | 37 4 -2.2 -2.9 2 925 804 195 14 3.6 13.5 | 121 6 -5.0 3.0 3 913 914 190 12 2.1 11.8 | 101 7 -6.5 1.3 4 881 1219 165 12 -3.1 11.6 | 95 12 -11.7 1.0 5 850 1524 180 19 0.0 19.0 | 135 12 -8.6 8.4 6 850 1527 175 18 -1.6 17.9 | 126 13 -10.2 7.4 7 820 1829 180 10 0.0 10.0 | 86 9 -8.6 -0.6 8 791 2134 195 1 0.3 1.0 | 41 13 -8.3 -9.6 9 762 2438 125 6 -4.9 3.4 | 62 15 -13.5 -7.1 10 735 2743 115 11 -10.0 4.6 | 72 19 -18.6 -5.9 11 700 3154 115 16 -14.5 6.8 | 81 23 -23.1 -3.8 12 683 3353 120 17 -14.7 8.5 | 85 23 -23.3 -2.1 13 657 3658 105 18 -17.4 4.7 | 77 27 -26.0 -5.9 14 609 4267 165 18 -4.7 17.4 | 117 15 -13.2 6.8 15 586 4572 170 18 -3.1 17.7 | 121 14 -11.7 7.2 16 542 5182 200 20 6.8 18.8 | 168 8 -1.7 8.2 17 500 5830 230 36 27.6 23.1 | 236 23 19.0 12.6 18 483 6096 240 37 32.0 18.5 | 251 25 23.5 7.9 19 428 7010 270 37 37.0 -0.0 | 290 30 28.4 -10.6 20 400 7520 280 45 44.3 -7.8 | 297 40 35.7 -18.4 21 363 8230 305 46 37.7 -26.4 | 322 47 29.1 -36.9 22 307 9449 330 69 34.5 -59.8 | 340 75 25.9 -70.3 23 300 9610 325 71 40.7 -58.2 | 335 76 32.1 -68.7 24 258 10668 305 85 69.6 -48.8 | 314 85 61.0 -59.3 25 250 10880 310 87 66.6 -55.9 | 319 88 58.1 -66.5 26 200 12360 300 89 77.1 -44.5 | 309 88 68.5 -55.1 27 175 13211 295 93 84.3 -39.3 | 303 91 75.7 -49.9 28 169 13411 295 93 84.3 -39.3 | 303 91 75.7 -49.9 29 150 14160 290 90 84.6 -30.8 | 299 87 76.0 -41.3 30 132 14935 295 84 76.1 -35.5 | 304 82 67.5 -46.1 31 112 15890 280 75 73.9 -13.0 | 290 69 65.3 -23.6 32 107 16154 285 76 73.4 -19.7 | 295 72 64.8 -30.2 33 102 16459 265 61 60.8 5.3 | 276 52 52.2 -5.2 34 100 16560 270 27 27.0 -0.0 | 300 21 18.4 -10.6 35 97 16764 270 27 27.0 -0.0 | 300 21 18.4 -10.6 36 92 17069 270 12 12.0 -0.0 | 342 11 3.4 -10.6 37 87 17374 335 3 1.3 -2.7 | 29 15 -7.3 -13.3 38 83 17678 350 10 1.7 -9.8 | 19 22 -6.8 -20.4 39 75 18288 330 27 13.5 -23.4 | 352 34 4.9 -33.9 40 70 18660 340 18 6.2 -16.9 | 5 28 -2.4 -27.5 41 67 18898 350 18 3.1 -17.7 | 11 29 -5.5 -28.3 42 64 19202 330 22 11.0 -19.1 | 355 30 2.4 -29.6 43 58 19812 45 2 -1.4 -1.4 | 40 16 -10.0 -12.0 44 55 20117 10 10 -1.7 -9.8 | 27 23 -10.3 -20.4 45 52 20422 5 22 -1.9 -21.9 | 18 34 -10.5 -32.5 46 50 20640 20 13 -4.4 -12.2 | 30 26 -13.0 -22.8 47 49 20726 330 10 5.0 -8.7 | 11 20 -3.6 -19.2 48 47 21031 15 13 -3.4 -12.6 | 27 26 -11.9 -23.1 49 45 21336 305 14 11.5 -8.0 | 351 19 2.9 -18.6 50 43 21641 195 20 5.2 19.3 | 159 9 -3.4 8.8 51 39 22250 120 18 -15.6 9.0 | 86 24 -24.2 -1.6 52 37 22555 200 10 3.4 9.4 | 77 5 -5.2 -1.2 53 33 23165 110 13 -12.2 4.4 | 74 22 -20.8 -6.1 54 32 23470 105 12 -11.6 3.1 | 70 22 -20.2 -7.5 55 30 23774 105 20 -19.3 5.2 | 79 28 -27.9 -5.4 56 30 23830 100 30 -29.5 5.2 | 82 39 -38.1 -5.4 57 28 24384 85 32 -31.9 -2.8 | 72 43 -40.5 -13.4 58 25 24994 80 20 -19.7 -3.5 | 64 32 -28.3 -14.0 59 24 25298 55 19 -15.6 -10.9 | 48 32 -24.1 -21.5 60 23 25603 80 19 -18.7 -3.3 | 63 31 -27.3 -13.9 61 21 26213 60 20 -17.3 -10.0 | 52 33 -25.9 -20.6 62 20 26440 115 27 -24.5 11.4 | 91 33 -33.1 0.8 63 18 26822 115 21 -19.0 8.9 | 86 28 -27.6 -1.7 64 16 27127 85 36 -35.9 -3.1 | 73 47 -44.4 -13.7 65 15 27432 80 30 -29.5 -5.2 | 68 41 -38.1 -15.8 66 14 27737 55 30 -24.6 -17.2 | 50 43 -33.2 -27.8 67 13 28042 75 22 -21.3 -5.7 | 61 34 -29.8 -16.3 68 12 28346 80 32 -31.5 -5.6 | 68 43 -40.1 -16.1 69 7 30175 105 30 -29.0 7.8 | 86 38 -37.6 -2.8 Wind Parameters Mean winds (0-6000m): 189.1 at 18.1 knts Storm direction: 219.1 at 13.6 knts Shear (0-3000m) pos: 2.1 neg: 5.8 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 83.3 neg: -47.2 tot: 36.1 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.53 Bulk Shear: 8.19 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 ------------------------------------------------------------------------------- 500 208 12 90 3| 0.0 15.0 15.0| 9.4 -2.8 6.7 13.3 0.48| 17.4 8.4 1000 189 13 107 7| 0.0 10.4 10.4| 29.0 -4.5 24.5 24.5 0.52| 13.8 7.1 1500 185 13 106 8| 4.2 6.9 11.1| 29.0 -33.1 -4.1 -2.7 0.06| 13.5 0.8 2000 182 10 89 8| 3.2 6.0 9.1| 44.7 -40.5 4.3 2.1 0.09| 12.9 1.1 2500 169 10 88 11| 2.5 6.2 8.8| 66.1 -40.5 25.7 10.3 0.15| 11.8 1.8 3000 155 11 89 13| 2.1 5.8 7.9| 83.3 -47.2 36.1 12.0 0.17| 10.7 1.8 4000 148 13 92 15| 1.8 4.4 6.1|165.6 -58.5 107.1 26.8 0.28| 10.9 3.0 5000 162 15 104 14| 3.4 3.5 6.8|212.3 -58.5 153.8 30.8 0.38| 10.7 4.1 6000 189 18 142 9| 4.6 2.9 7.5|345.4 -58.5 286.9 47.8 0.48| 11.2 5.4 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251225.12.gif