UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 21 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 57 SFC 951 474 21.8 18.0 79 3.8 19.2 130 12 299.2 301.7 294.1 339.4 13.78 2 931 673 19.4 15.8 80 3.6 17.0 135 16 298.6 300.8 292.9 334.2 12.21 3 925 733 19.8 14.8 73 5.0 16.5 130 17 299.6 301.7 292.6 333.2 11.52 4 910 874 20.0 13.0 64 7.0 15.5 138 12 301.2 303.1 292.2 331.8 10.40 5 897 999 22.0 11.0 50 11.0 15.0 148 10 304.5 306.2 292.3 332.1 9.23 6 850 1465 18.6 9.6 56 9.0 13.0 190 10 305.6 307.3 292.3 332.3 8.86 7 755 2474 13.0 6.0 62 7.0 8.8 315 11 310.1 311.6 292.8 334.1 7.79 8 752 2508 13.4 8.4 72 5.0 10.3 315 12 310.9 312.6 294.1 339.3 9.24 9 732 2734 11.2 11.1 99 0.1 11.2 315 20 310.9 313.0 295.7 345.9 11.42 10 700 3107 8.6 8.6 100 0.0 8.6 290 18 312.0 313.9 295.0 343.0 10.08 11 694 3178 7.8 7.8 100 0.0 7.8 284 18 311.9 313.7 294.7 341.5 9.62 12 678 3370 5.8 3.9 88 1.9 4.7 270 18 311.7 313.2 293.0 334.9 7.49 13 664 3541 6.6 1.6 70 5.0 3.8 279 17 314.5 315.7 293.0 334.9 6.48 14 631 3957 3.2 -1.8 70 5.0 0.6 283 18 315.2 316.3 292.3 332.1 5.32 15 612 4205 0.8 -2.9 76 3.7 -1.0 281 19 315.3 316.2 292.1 331.3 5.05 16 569 4787 -2.3 -30.3 10 28.0 -9.5 277 30 318.2 318.4 288.8 320.2 0.54 17 553 5013 -4.1 -33.1 8 29.0 -10.9 280 32 318.7 318.8 288.8 320.3 0.43 18 506 5708 -9.7 -35.7 10 26.0 -15.0 289 37 320.1 320.2 289.2 321.4 0.36 19 500 5800 -9.1 -46.1 3 37.0 -15.1 290 38 321.9 322.0 289.5 322.4 0.12 20 438 6805 -16.7 -45.7 6 29.0 -20.7 291 48 324.7 324.8 290.3 325.3 0.15 21 400 7480 -20.1 -51.1 5 31.0 -23.7 300 54 328.9 328.9 291.5 329.2 0.09 22 374 7977 -22.7 -58.7 2 36.0 -25.9 303 64 331.8 331.8 292.2 332.0 0.04 23 372 8016 -22.5 -58.5 2 36.0 -25.8 304 65 332.6 332.6 292.4 332.7 0.04 24 362 8217 -22.7 -57.7 3 35.0 -25.9 305 69 334.9 334.9 293.1 335.1 0.04 25 302 9523 -32.5 -61.5 4 29.0 -34.3 310 86 338.9 338.9 294.1 339.1 0.03 26 300 9570 -32.7 -61.7 4 29.0 -34.4 310 87 339.3 339.3 294.1 339.4 0.03 27 285 9928 -33.1 -55.1 9 22.0 -34.7 306 93 343.7 343.7 295.3 344.0 0.08 28 254 10722 -38.3 -61.3 7 23.0 -39.5 314 92 347.5 347.6 296.1 347.7 0.04 29 250 10830 -39.5 -62.5 7 23.0 -40.6 315 92 347.3 347.3 296.1 347.5 0.03 30 204 12191 -50.4 -65.2 16 14.8 -50.8 320 96 350.9 350.9 296.8 351.0 0.03 31 200 12320 -51.5 -65.5 17 14.0 -51.8 320 95 351.2 351.2 296.9 351.3 0.03 32 183 12890 -56.7 -69.7 18 13.0 -56.9 319 94 351.8 351.8 297.0 351.9 0.02 33 152 14049 -63.1 -84.1 4 21.0 -63.2 316 87 360.0 360.0 298.7 360.0 0.00 34 150 14130 -63.5 -83.5 5 20.0 -63.6 320 88 360.7 360.7 298.8 360.7 0.00 35 132 14900 -70.9 -75.9 47 5.0 -70.9 323 89 360.9 360.9 298.9 361.0 0.01 36 115 15706 -75.9 -87.9 13 12.0 -75.9 315 86 366.1 366.1 299.9 366.2 0.00 37 102 16404 -72.5 -88.5 7 16.0 -72.6 306 81 385.5 385.5 303.1 385.5 0.00 38 100 16520 -73.5 -89.5 7 16.0 -73.5 305 80 385.7 385.7 303.2 385.7 0.00 39 89 17214 -66.7 -88.7 3 22.0 -66.8 290 38 412.4 412.4 306.8 412.4 0.00 40 70 18640 -74.9 -88.9 10 14.0 -75.0 360 22 424.1 424.1 308.2 424.2 0.00 41 66 18979 -76.9 -89.9 11 13.0 -76.9 1 23 427.0 427.0 308.5 427.0 0.00 42 56 19944 -67.9 -89.9 3 22.0 -68.1 357 19 468.1 468.1 312.5 468.1 0.00 43 54 20161 -69.3 -90.3 3 21.0 -69.5 9 23 469.7 469.7 312.6 469.7 0.00 44 53 20274 -64.5 -90.5 2 26.0 -64.8 358 26 483.4 483.4 313.7 483.4 0.00 45 50 20630 -64.3 -90.3 2 26.0 -64.6 335 17 492.0 492.0 314.4 492.0 0.00 46 47 21011 -62.1 -89.1 2 27.0 -62.6 332 16 506.0 506.0 315.4 506.0 0.00 47 46 21144 -62.9 -89.9 1 27.0 -63.3 342 15 507.2 507.2 315.5 507.2 0.00 48 44 21420 -58.7 -88.7 1 30.0 -59.5 347 11 524.0 524.0 316.5 524.0 0.00 49 41 21860 -62.9 -88.9 2 26.0 -63.4 333 13 524.2 524.2 316.6 524.2 0.00 50 36 22666 -60.3 -88.3 1 28.0 -61.0 105 16 550.8 550.8 318.1 550.8 0.00 51 34 23022 -61.3 -88.3 2 27.0 -62.0 44 20 557.2 557.2 318.5 557.2 0.00 52 30 23810 -55.3 -86.3 1 31.0 -56.8 355 10 593.9 593.9 320.3 593.9 0.01 53 20 26410 -51.7 -84.7 1 33.0 -54.7 75 25 677.9 677.9 323.7 678.0 0.02 54 18 27094 -51.1 -84.1 1 33.0 -54.5 89 25 700.6 700.6 324.4 700.7 0.02 55 15 28290 -47.3 -83.3 1 36.0 -52.5 85 22 750.7 750.7 326.0 750.9 0.03 TRP 115 15706 -75.9 -87.9 13 12.0 -75.9 315 86 366.1 366.1 299.9 366.2 0.00 WND 204 12191 -50.4 -65.2 16 14.8 -50.8 320 96 350.9 350.9 296.8 351.0 0.03 Sounding variables and indices 1000-500 mb thick: 5743.00 m Freezing level: 600.90 mb = 4354.90 m = 14287.57 ft Wetbulb zero: 623.99 mb = 4047.80 m = 13280.01 ft Precipitable water: 1.26 inches Sfc-500 mean rel hum: 55.62 % Est. max temperature: 30.33 C = 86.60 F Sfc-Lift cond lev (LCL): 899.44 mb = 975.68 m = 3201.02 ft T: 21.62 C 700-500 lapse rate: 6.57 C/km ThetaE index: 25.70 C Layer 700.0- 553.0 mb Conv cond level (CCL): 706.25 mb = 3032.90 m = 9950.33 ft Mean mixing ratio: 10.35 g/kg Conv temperature: 34.19 C = 93.54 F Cap Strength: 5.00 C Lifted Index: 0.61 C Risk: Showers probable Lifted Index @300 mb: 5.54 C Lifted Index @700 mb: 3.13 C Showalter Index: 1.05 C Risk: Showers probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 18.70 C K Index: 37.30 Risk: > 80 % chance of thunderstorms Sweat Index: 173.20 Risk: None Energy Index: -1.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.41 J/kg Max Up Vert Vel: 9.42 m/s Conv Inhibition (B-): 403.32 J/kg Cap Strength: 4.89 C Lift Cond Lev (LCL): 803.71 mb = 1941.77 m = 6370.56 ft Lev Free Conv (LFC): 518.71 mb = 5513.68 m = 18089.30 ft Equ Level (EL): 498.71 mb = 5819.58 m = 19092.88 ft B at Equ Level: 41.76 J/kg Max Parcel Lev (MPL): 378.71 mb = 7884.30 m = 25866.80 ft Wind level data Storm motion: 309 at 17 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 ---------------------------------------------------------- 0 951 474 130 12 -9.2 7.7 | 129 29 -22.2 18.1 1 937 610 140 15 -9.6 11.5 | 134 31 -22.6 21.9 2 925 733 130 17 -13.0 10.9 | 129 34 -26.0 21.4 3 906 914 140 10 -6.4 7.7 | 133 27 -19.4 18.1 4 850 1465 190 10 1.7 9.8 | 151 23 -11.2 20.3 5 814 1829 215 13 7.5 10.6 | 165 22 -5.5 21.1 6 785 2134 245 7 6.3 3.0 | 154 15 -6.6 13.4 7 758 2438 315 10 7.1 -7.1 | 120 7 -5.9 3.4 8 731 2743 315 20 14.1 -14.1 | 342 4 1.2 -3.7 9 700 3107 290 18 16.9 -6.2 | 223 6 4.0 4.3 10 679 3353 270 18 18.0 -0.0 | 206 12 5.0 10.4 11 653 3658 285 17 16.4 -4.4 | 210 7 3.5 6.0 12 606 4267 280 19 18.7 -3.3 | 219 9 5.8 7.1 13 583 4572 275 29 28.9 -2.5 | 244 18 15.9 7.9 14 500 5800 290 38 35.7 -13.0 | 276 23 22.7 -2.6 15 481 6096 285 42 40.6 -10.9 | 271 28 27.6 -0.4 16 443 6706 290 48 45.1 -16.4 | 281 33 32.1 -6.0 17 409 7315 300 47 40.7 -23.5 | 295 31 27.7 -13.1 18 400 7480 300 54 46.8 -27.0 | 296 38 33.8 -16.6 19 361 8230 305 70 57.3 -40.2 | 304 53 44.4 -29.7 20 346 8534 305 76 62.3 -43.6 | 304 59 49.3 -33.2 21 300 9570 310 87 66.6 -55.9 | 310 70 53.7 -45.5 22 280 10058 305 95 77.8 -54.5 | 304 78 64.9 -44.1 23 250 10830 315 92 65.1 -65.1 | 316 75 52.1 -54.6 24 204 12191 320 96 61.7 -73.5 | 322 80 48.7 -63.1 25 200 12320 320 95 61.1 -72.8 | 322 79 48.1 -62.3 26 194 12497 320 96 61.7 -73.5 | 322 80 48.7 -63.1 27 153 14021 315 87 61.5 -61.5 | 316 70 48.6 -51.1 28 150 14130 320 88 56.6 -67.4 | 323 72 43.6 -57.0 29 124 15240 325 90 51.6 -73.7 | 329 74 38.7 -63.3 30 115 15706 315 86 60.8 -60.8 | 316 69 47.9 -50.4 31 100 16520 305 80 65.5 -45.9 | 304 63 52.6 -35.5 32 96 16764 305 80 65.5 -45.9 | 304 63 52.6 -35.5 33 87 17374 285 23 22.2 -6.0 | 244 10 9.3 4.5 34 82 17678 285 16 15.5 -4.1 | 202 7 2.5 6.3 35 78 17983 325 10 5.7 -8.2 | 107 8 -7.2 2.2 36 74 18288 315 11 7.8 -7.8 | 117 6 -5.2 2.7 37 71 18593 350 11 1.9 -10.8 | 88 11 -11.1 -0.4 38 70 18640 360 22 -0.0 -22.0 | 48 17 -13.0 -11.6 39 67 18898 5 21 -1.8 -20.9 | 55 18 -14.8 -10.5 40 64 19202 350 27 4.7 -26.6 | 27 18 -8.3 -16.2 41 60 19507 330 15 7.5 -13.0 | 65 6 -5.5 -2.6 42 57 19812 340 17 5.8 -16.0 | 52 9 -7.1 -5.5 43 55 20117 15 21 -5.4 -20.3 | 62 21 -18.4 -9.9 44 52 20422 345 30 7.8 -29.0 | 16 19 -5.2 -18.5 45 50 20630 335 17 7.2 -15.4 | 49 8 -5.8 -5.0 46 49 20726 360 25 -0.0 -25.0 | 42 19 -13.0 -14.6 47 47 21031 330 16 8.0 -13.9 | 55 6 -5.0 -3.4 48 45 21336 360 14 -0.0 -14.0 | 75 13 -13.0 -3.6 49 43 21641 315 3 2.1 -2.1 | 127 14 -10.8 8.3 50 40 21946 340 17 5.8 -16.0 | 52 9 -7.1 -5.5 51 39 22250 330 18 9.0 -15.6 | 38 7 -4.0 -5.2 52 37 22555 125 10 -8.2 5.7 | 127 27 -21.2 16.2 53 35 22860 75 24 -23.2 -6.2 | 97 36 -36.1 4.2 54 33 23165 20 16 -5.5 -15.0 | 76 19 -18.4 -4.6 55 32 23470 70 17 -16.0 -5.8 | 99 29 -28.9 4.6 56 30 23774 75 12 -11.6 -3.1 | 107 26 -24.6 7.3 57 30 23810 355 10 0.9 -10.0 | 92 12 -12.1 0.5 58 29 24079 45 13 -9.2 -9.2 | 93 22 -22.2 1.2 59 27 24384 335 10 4.2 -9.1 | 99 9 -8.7 1.4 60 26 24689 55 20 -16.4 -11.5 | 88 29 -29.3 -1.0 61 25 24994 135 10 -7.1 7.1 | 131 27 -20.0 17.5 62 24 25298 105 15 -14.5 3.9 | 118 31 -27.4 14.3 63 23 25603 125 25 -20.5 14.3 | 127 42 -33.4 24.8 64 22 25908 110 34 -31.9 11.6 | 116 50 -44.9 22.1 65 21 26213 75 22 -21.3 -5.7 | 98 35 -34.2 4.7 66 20 26410 75 25 -24.1 -6.5 | 96 37 -37.1 4.0 67 18 26822 90 25 -25.0 0.0 | 105 39 -38.0 10.4 68 16 27127 70 20 -18.8 -6.8 | 96 32 -31.8 3.6 69 15 27432 85 22 -21.9 -1.9 | 104 36 -34.9 8.5 70 11 28651 70 42 -39.5 -14.4 | 86 53 -52.4 -3.9 Wind Parameters Mean winds (0-6000m): 278.8 at 22.2 knts Storm direction: 308.8 at 16.6 knts Shear (0-3000m) pos: 4.0 neg: 1.9 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 78.5 deg Storm rel helicity (0-3000m) pos: 111.5 neg: -50.2 tot: 61.2 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 11.8 stream: -1.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.29 Bulk Shear: 154.42 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 ------------------------------------------------------------------------------- 500 135 14 132 30| 3.7 0.0 3.7| 31.1 -10.8 20.3 40.5 0.23| 12.2 2.9 1000 149 12 137 28| 5.8 0.0 5.8| 78.4 -10.8 67.6 67.6 0.50| 10.2 5.1 1500 169 12 145 27| 5.8 0.0 5.8|110.6 -14.7 95.9 63.9 0.50| 10.0 5.0 2000 183 11 150 25| 6.0 0.0 6.0|110.6 -34.4 76.2 38.1 0.16| 11.3 1.9 2500 222 12 166 20| 4.8 1.8 6.5|110.6 -42.2 68.4 27.4 -0.08| 11.9 -0.9 3000 249 13 178 15| 4.0 1.9 5.9|111.5 -50.2 61.2 20.4 -0.13| 11.8 -1.5 4000 266 15 188 12| 3.2 2.4 5.6|127.1 -50.2 76.8 19.2 -0.04| 10.4 -0.4 5000 273 18 209 11| 3.7 1.9 5.6|175.0 -50.2 124.8 25.0 0.07| 9.6 0.7 6000 279 22 232 11| 3.9 1.6 5.5|214.3 -63.5 150.8 25.1 0.10| 9.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251221.12.gif