UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 22 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 94 SFC 955 474 18.8 16.2 85 2.6 17.1 330 8 295.8 298.0 292.0 331.0 12.22 2 944 580 19.2 12.2 64 7.0 14.8 330 8 297.2 298.9 290.2 324.8 9.49 3 925 767 18.2 12.2 68 6.0 14.4 30 7 297.9 299.7 290.6 326.2 9.69 4 900 1002 18.6 8.6 52 10.0 12.6 66 12 300.7 302.1 289.9 323.8 7.81 5 850 1490 15.4 8.4 63 7.0 11.2 70 15 302.3 303.8 290.7 326.6 8.16 6 834 1651 14.6 8.6 67 6.0 11.0 5 12 303.1 304.6 291.2 328.3 8.44 7 817 1825 14.8 6.8 59 8.0 10.0 269 1 305.1 306.5 291.2 328.0 7.61 8 757 2466 11.0 1.0 50 10.0 5.6 186 21 307.7 308.7 290.1 324.4 5.44 9 700 3114 6.2 1.3 71 4.9 3.5 210 20 309.4 310.5 291.1 327.9 6.01 10 627 4010 0.8 0.8 100 0.0 0.8 281 19 313.1 314.3 292.6 333.3 6.48 11 571 4758 -3.7 -3.7 100 0.0 -3.7 284 27 316.3 317.3 292.4 332.6 5.10 12 522 5465 -6.9 -6.9 100 0.0 -6.9 275 30 320.7 321.5 293.0 334.9 4.37 13 510 5646 -8.1 -8.1 100 0.0 -8.1 278 33 321.3 322.1 293.0 334.7 4.08 14 500 5800 -10.1 -11.9 87 1.8 -10.8 275 34 320.7 321.3 292.0 330.9 3.07 15 496 5862 -10.7 -14.0 77 3.3 -11.9 278 35 320.7 321.2 291.6 329.4 2.61 16 492 5924 -11.3 -19.3 52 8.0 -13.8 281 36 320.7 321.1 290.7 326.5 1.69 17 489 5971 -11.3 -29.3 21 18.0 -15.6 284 37 321.3 321.4 289.9 323.8 0.69 18 456 6505 -12.9 -43.9 6 31.0 -17.9 303 39 325.8 325.8 290.7 326.4 0.17 19 454 6538 -12.1 -32.1 17 20.0 -16.6 304 39 327.2 327.3 291.5 329.3 0.57 20 417 7181 -17.7 -29.7 34 12.0 -20.4 302 47 328.1 328.2 291.9 330.9 0.78 21 411 7289 -19.1 -23.9 66 4.8 -20.4 301 48 327.6 327.9 292.3 332.4 1.35 22 400 7490 -20.5 -23.4 78 2.9 -21.2 305 44 328.3 328.6 292.6 333.5 1.45 23 375 7967 -22.3 -24.3 84 2.0 -22.8 330 42 332.1 332.4 293.6 337.2 1.43 24 372 8027 -22.7 -24.8 83 2.1 -23.2 334 42 332.3 332.6 293.6 337.2 1.38 25 370 8066 -22.3 -24.6 82 2.3 -22.9 336 42 333.4 333.6 293.9 338.4 1.41 26 311 9324 -31.1 -32.1 91 1.0 -31.3 340 53 338.0 338.2 294.6 341.2 0.83 27 306 9439 -30.7 -35.4 63 4.7 -31.4 338 55 340.2 340.3 294.9 342.5 0.61 28 300 9580 -31.9 -35.9 68 4.0 -32.5 335 58 340.4 340.5 295.0 342.7 0.60 29 295 9698 -33.3 -34.5 89 1.2 -33.5 333 63 340.1 340.2 295.0 342.7 0.70 30 284 9964 -34.1 -38.9 62 4.8 -34.7 327 76 342.6 342.7 295.4 344.5 0.46 31 278 10114 -33.5 -44.5 32 11.0 -34.7 325 81 345.6 345.7 295.9 346.7 0.26 32 270 10318 -34.7 -47.7 26 13.0 -35.9 325 85 346.8 346.8 296.1 347.5 0.19 33 252 10795 -38.3 -54.3 17 16.0 -39.4 325 96 348.3 348.3 296.4 348.7 0.09 34 250 10850 -38.7 -53.7 19 15.0 -39.7 325 97 348.5 348.6 296.4 349.0 0.10 35 215 11859 -48.3 -54.3 50 6.0 -48.6 321 101 349.0 349.0 296.5 349.5 0.11 36 214 11890 -48.3 -58.3 31 10.0 -48.7 321 101 349.5 349.5 296.5 349.8 0.07 37 200 12330 -51.5 -65.5 17 14.0 -51.8 325 101 351.2 351.2 296.9 351.3 0.03 38 189 12695 -54.1 -69.1 14 15.0 -54.4 327 103 352.8 352.8 297.3 352.8 0.02 39 183 12902 -55.5 -58.8 67 3.3 -55.6 328 104 353.8 353.8 297.5 354.1 0.07 40 171 13331 -59.1 -61.7 72 2.6 -59.2 330 107 354.6 354.6 297.7 354.9 0.06 41 168 13442 -60.1 -62.5 73 2.4 -60.2 330 107 354.8 354.9 297.7 355.1 0.05 42 158 13822 -63.1 -67.6 54 4.5 -63.1 327 105 356.0 356.1 298.0 356.2 0.03 43 150 14140 -65.5 -72.5 37 7.0 -65.5 325 103 357.2 357.3 298.2 357.3 0.01 44 142 14471 -67.9 -82.9 10 15.0 -67.9 321 102 358.7 358.7 298.4 358.7 0.00 45 125 15226 -73.7 -78.3 49 4.6 -73.7 312 99 361.5 361.5 299.0 361.5 0.01 46 122 15367 -74.9 -80.9 39 6.0 -74.9 310 99 361.8 361.8 299.1 361.9 0.00 47 117 15612 -71.1 -90.1 4 19.0 -71.2 308 98 373.2 373.2 301.1 373.2 0.00 48 109 16029 -73.3 -89.3 7 16.0 -73.3 294 93 376.7 376.7 301.7 376.7 0.00 49 100 16540 -67.7 -87.7 4 20.0 -67.8 275 38 396.9 396.9 304.8 396.9 0.00 50 75 18237 -76.5 -89.5 11 13.0 -76.6 320 29 412.5 412.5 306.8 412.5 0.00 51 71 18556 -72.3 -89.3 6 17.0 -72.4 338 32 428.0 428.0 308.6 428.0 0.00 52 70 18640 -72.5 -88.5 7 16.0 -72.6 335 19 429.3 429.3 308.7 429.3 0.00 53 68 18810 -72.9 -88.9 7 16.0 -73.0 332 18 432.0 432.0 309.0 432.0 0.00 54 65 19077 -69.3 -89.3 4 20.0 -69.4 330 17 445.5 445.5 310.4 445.5 0.00 55 59 19652 -72.1 -89.1 6 17.0 -72.2 355 12 451.7 451.7 311.0 451.7 0.00 56 52 20410 -64.1 -89.1 2 25.0 -64.4 39 16 486.9 486.9 314.0 487.0 0.00 57 50 20650 -65.1 -89.1 2 24.0 -65.4 360 12 490.1 490.1 314.2 490.1 0.00 58 46 21158 -66.7 -89.7 3 23.0 -67.0 358 13 498.0 498.0 314.8 498.1 0.00 59 43 21572 -61.9 -88.9 2 27.0 -62.4 16 15 519.5 519.5 316.3 519.6 0.00 60 39 22176 -62.9 -88.9 2 26.0 -63.4 235 10 531.7 531.7 317.1 531.8 0.00 61 36 22671 -62.5 -88.5 2 26.0 -63.1 131 26 545.1 545.1 317.8 545.1 0.00 62 32 23410 -56.5 -85.5 1 29.0 -57.8 79 13 579.8 579.8 319.6 579.9 0.01 63 30 23820 -56.9 -85.9 1 29.0 -58.2 55 11 589.5 589.5 320.1 589.6 0.01 64 22 25804 -51.5 -83.5 1 32.0 -54.4 97 21 660.3 660.3 323.1 660.4 0.02 65 20 26420 -52.5 -83.5 1 31.0 -55.3 85 29 675.5 675.5 323.6 675.6 0.02 TRP 122 15367 -74.9 -80.9 39 6.0 -74.9 310 99 361.8 361.8 299.1 361.9 0.00 WND 171 13331 -59.1 -61.7 72 2.6 -59.2 330 107 354.6 354.6 297.7 354.9 0.06 Sounding variables and indices 1000-500 mb thick: 5706.00 m Freezing level: 617.04 mb = 4143.36 m = 13593.53 ft Wetbulb zero: 617.30 mb = 4135.04 m = 13566.23 ft Precipitable water: 1.28 inches Sfc-500 mean rel hum: 77.97 % Est. max temperature: 28.45 C = 83.20 F Sfc-Lift cond lev (LCL): 919.06 mb = 822.29 m = 2697.76 ft T: 18.29 C 700-500 lapse rate: 6.07 C/km ThetaE index: 6.18 C Layer 944.0- 925.0 mb Conv cond level (CCL): 705.68 mb = 3047.14 m = 9997.06 ft Mean mixing ratio: 8.76 g/kg Conv temperature: 31.99 C = 89.59 F Cap Strength: 5.51 C Lifted Index: 3.42 C Risk: None Lifted Index @300 mb: 11.38 C Lifted Index @700 mb: 3.60 C Showalter Index: 2.83 C Risk: Showers probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 18.50 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 164.80 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.80 J/kg Max Up Vert Vel: 7.32 m/s Conv Inhibition (B-): 31269.80 J/kg Cap Strength: 5.51 C Lift Cond Lev (LCL): 806.89 mb = 1929.73 m = 6331.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 16 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 ---------------------------------------------------------- 0 955 474 330 8 4.0 -6.9 | 94 10 -10.3 0.6 1 941 610 330 8 4.0 -6.9 | 94 10 -10.3 0.6 2 925 767 30 7 -3.5 -6.1 | 95 18 -17.8 1.5 3 909 914 65 12 -10.9 -5.1 | 96 25 -25.2 2.5 4 850 1490 70 15 -14.1 -5.1 | 95 29 -28.4 2.4 5 847 1524 75 19 -18.4 -4.9 | 95 33 -32.7 2.7 6 816 1829 265 1 1.0 0.1 | 120 15 -13.3 7.7 7 787 2134 190 10 1.7 9.8 | 144 21 -12.6 17.4 8 759 2438 185 21 1.8 20.9 | 156 31 -12.5 28.5 9 732 2743 195 27 7.0 26.1 | 168 34 -7.3 33.7 10 700 3114 210 20 10.0 17.3 | 170 25 -4.3 24.9 11 679 3353 220 17 10.9 13.0 | 171 21 -3.4 20.6 12 654 3658 235 15 12.3 8.6 | 173 16 -2.0 16.2 13 629 3962 280 18 17.7 -3.1 | 218 6 3.4 4.4 14 606 4267 290 25 23.5 -8.6 | 276 9 9.2 -1.0 15 520 5486 275 30 29.9 -2.6 | 252 16 15.6 5.0 16 501 5791 280 35 34.5 -6.1 | 266 20 20.2 1.5 17 500 5800 275 34 33.9 -3.0 | 257 20 19.6 4.6 18 481 6096 290 39 36.6 -13.3 | 284 23 22.3 -5.8 19 444 6706 310 39 29.9 -25.1 | 318 23 15.6 -17.5 20 409 7315 300 49 42.4 -24.5 | 301 33 28.1 -16.9 21 400 7490 305 44 36.0 -25.2 | 309 28 21.7 -17.7 22 361 8230 345 41 10.6 -39.6 | 7 32 -3.7 -32.0 23 346 8534 355 37 3.2 -36.9 | 21 31 -11.1 -29.3 24 300 9580 335 58 24.5 -52.6 | 347 46 10.2 -45.0 25 280 10058 325 80 45.9 -65.5 | 331 66 31.6 -58.0 26 250 10850 325 97 55.6 -79.5 | 330 83 41.3 -71.9 27 245 10973 325 95 54.5 -77.8 | 330 81 40.2 -70.2 28 204 12192 320 103 66.2 -78.9 | 324 88 51.9 -71.3 29 200 12330 325 101 57.9 -82.7 | 330 87 43.6 -75.2 30 171 13331 330 107 53.5 -92.7 | 335 94 39.2 -85.1 31 169 13411 330 107 53.5 -92.7 | 335 94 39.2 -85.1 32 150 14140 325 103 59.1 -84.4 | 330 89 44.8 -76.8 33 122 15367 310 99 75.8 -63.6 | 312 83 61.5 -56.1 34 118 15545 310 99 75.8 -63.6 | 312 83 61.5 -56.1 35 107 16154 290 92 86.5 -31.5 | 288 76 72.1 -23.9 36 100 16540 275 38 37.9 -3.3 | 260 24 23.5 4.3 37 96 16764 275 39 38.9 -3.4 | 260 25 24.5 4.2 38 87 17374 295 17 15.4 -7.2 | 250 1 1.1 0.4 39 82 17678 290 24 22.6 -8.2 | 274 8 8.2 -0.6 40 71 18593 340 32 10.9 -30.1 | 9 23 -3.4 -22.5 41 70 18640 335 19 8.0 -17.2 | 33 12 -6.3 -9.6 42 67 18898 330 18 9.0 -15.6 | 34 10 -5.3 -8.0 43 64 19202 330 16 8.0 -13.9 | 45 9 -6.3 -6.3 44 61 19507 5 12 -1.0 -12.0 | 74 16 -15.4 -4.4 45 58 19812 345 12 3.1 -11.6 | 70 12 -11.2 -4.0 46 52 20422 40 16 -10.3 -12.3 | 79 25 -24.6 -4.7 47 50 20650 360 12 -0.0 -12.0 | 73 15 -14.3 -4.4 48 49 20726 30 19 -9.5 -16.5 | 70 25 -23.8 -8.9 49 47 21031 360 13 -0.0 -13.0 | 69 15 -14.3 -5.4 50 45 21336 355 13 1.1 -13.0 | 68 14 -13.2 -5.4 51 43 21641 20 15 -5.1 -14.1 | 71 21 -19.4 -6.5 52 41 21946 360 10 -0.0 -10.0 | 80 15 -14.3 -2.4 53 39 22250 205 10 4.2 9.1 | 149 19 -10.1 16.6 54 37 22555 135 29 -20.5 20.5 | 129 45 -34.8 28.1 55 35 22860 125 22 -18.0 12.6 | 122 38 -32.3 20.2 56 33 23165 100 10 -9.8 1.7 | 111 26 -24.2 9.3 57 32 23470 75 14 -13.5 -3.6 | 98 28 -27.8 4.0 58 30 23774 60 11 -9.5 -5.5 | 95 24 -23.8 2.1 59 30 23820 55 11 -9.0 -6.3 | 93 23 -23.3 1.3 60 29 24079 70 19 -17.9 -6.5 | 92 32 -32.2 1.1 61 27 24384 70 24 -22.6 -8.2 | 89 37 -36.9 -0.6 62 26 24689 65 14 -12.7 -5.9 | 94 27 -27.0 1.7 63 25 24994 80 16 -15.8 -2.8 | 99 30 -30.1 4.8 64 24 25298 120 25 -21.7 12.5 | 119 41 -36.0 20.1 65 23 25603 80 22 -21.7 -3.8 | 96 36 -36.0 3.8 66 22 25908 105 21 -20.3 5.4 | 111 37 -34.6 13.0 67 21 26213 95 33 -32.9 2.9 | 102 48 -47.2 10.5 68 20 26420 85 29 -28.9 -2.5 | 97 43 -43.2 5.0 69 19 26518 75 31 -29.9 -8.0 | 89 44 -44.3 -0.4 70 16 27127 85 24 -23.9 -2.1 | 98 39 -38.2 5.5 71 15 27432 60 28 -24.2 -14.0 | 81 39 -38.6 -6.4 72 14 27737 90 23 -23.0 0.0 | 101 38 -37.3 7.6 73 12 28346 70 32 -30.1 -10.9 | 86 45 -44.4 -3.4 74 11 28651 105 33 -31.9 8.5 | 109 49 -46.2 16.1 75 9 29261 65 38 -34.4 -16.1 | 80 49 -48.7 -8.5 76 8 29566 85 22 -21.9 -1.9 | 99 37 -36.2 5.7 77 7 29870 95 32 -31.9 2.8 | 103 47 -46.2 10.4 Wind Parameters Mean winds (0-6000m): 267.9 at 21.6 knts Storm direction: 297.9 at 16.2 knts Shear (0-3000m) pos: 1.6 neg: 3.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 78.4 deg Storm rel helicity (0-3000m) pos: 169.2 neg: -53.0 tot: 116.2 m^2/s^2 ave: 38.7 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 15.9 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.29 Bulk Shear: 92.02 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 21 9 88 18| 15.8 0.0 15.8| 9.7 -3.5 6.2 12.3 0.06| 16.1 1.0 1000 54 11 92 23| 9.3 0.0 9.3| 9.7 -5.5 4.1 4.1 0.04| 9.5 0.4 1500 59 10 96 23| 3.6 0.0 3.6| 53.2 -53.0 0.2 0.1 0.13| 18.2 2.3 2000 93 11 108 27| 2.7 4.7 7.4|103.8 -53.0 50.8 25.4 0.21| 18.4 3.9 2500 152 14 134 29| 2.4 3.7 6.2|164.7 -53.0 111.7 44.7 0.26| 17.1 4.5 3000 177 15 146 27| 1.6 3.1 4.7|169.2 -53.0 116.2 38.7 0.25| 15.9 3.9 4000 221 16 169 20| 3.8 2.3 6.1|206.0 -55.2 150.8 37.7 0.32| 15.2 4.8 5000 253 18 194 13| 3.0 2.4 5.4|206.0 -70.0 136.0 27.2 0.26| 12.9 3.4 6000 268 22 221 11| 3.9 2.0 5.9|320.7 -72.3 248.4 41.4 0.36| 12.7 4.5 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251222.12.gif