UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 26 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 86 SFC 955 474 22.0 14.0 60 8.0 16.8 40 6 299.1 301.0 291.7 330.0 10.58 2 953 493 23.2 13.2 53 10.0 16.7 36 8 300.5 302.3 291.7 330.0 10.05 3 925 767 21.6 15.6 69 6.0 17.6 15 21 301.4 303.6 293.6 337.1 12.14 4 914 870 21.0 12.0 56 9.0 15.3 4 18 301.8 303.6 291.9 330.5 9.68 5 894 1062 22.4 -13.6 8 36.0 7.3 358 15 305.2 305.5 285.3 310.0 1.49 6 871 1288 22.4 360 13 307.5 7 865 1348 22.4 -25.6 3 48.0 5.8 4 14 308.1 308.2 285.3 309.9 0.55 8 850 1499 21.2 -17.8 6 39.0 5.9 15 17 308.4 308.6 286.1 312.0 1.11 9 748 2584 11.6 -7.4 26 19.0 2.9 21 7 309.4 310.0 288.3 318.7 2.93 10 700 3134 8.2 -8.8 29 17.0 0.7 345 7 311.6 312.1 288.9 320.6 2.81 11 699 3146 8.2 -7.8 31 16.0 1.0 345 7 311.7 312.3 289.2 321.4 3.04 12 659 3629 5.4 -26.6 8 32.0 -4.1 340 2 313.8 314.0 287.5 316.1 0.66 13 652 3716 6.0 -34.0 4 40.0 -4.4 337 2 315.5 315.5 287.6 316.7 0.33 14 578 4693 1.0 -43.0 2 44.0 -8.2 308 12 320.7 320.7 289.1 321.2 0.15 15 500 5840 -7.3 -29.3 15 22.0 -12.9 285 19 324.1 324.3 290.7 326.6 0.68 16 494 5934 -7.9 -28.9 17 21.0 -13.3 285 19 324.5 324.7 290.9 327.1 0.71 17 402 7503 -18.9 -56.9 2 38.0 -22.8 280 36 330.0 330.0 291.7 330.1 0.04 18 400 7540 -18.9 -56.9 2 38.0 -22.8 280 37 330.4 330.4 291.9 330.6 0.04 19 319 9191 -27.9 -58.9 4 31.0 -30.3 297 65 340.0 340.0 294.4 340.2 0.04 20 316 9259 -28.1 -61.1 3 33.0 -30.6 297 67 340.7 340.7 294.5 340.8 0.03 21 311 9373 -28.5 -37.5 42 9.0 -29.9 298 70 341.7 341.8 295.2 343.6 0.49 22 300 9630 -30.1 -41.1 33 11.0 -31.6 300 76 343.0 343.0 295.4 344.3 0.35 23 250 10900 -39.7 -54.7 19 15.0 -40.6 290 76 347.0 347.1 296.1 347.4 0.09 24 243 11094 -40.9 -60.9 10 20.0 -41.8 291 76 348.1 348.1 296.3 348.3 0.04 25 200 12390 -51.3 -70.3 9 19.0 -51.7 305 80 351.5 351.5 297.0 351.6 0.01 26 196 12521 -52.5 -70.4 10 17.9 -52.8 305 82 351.7 351.7 297.0 351.8 0.01 27 164 13645 -62.9 -70.9 33 8.0 -63.0 299 78 352.6 352.6 297.2 352.7 0.02 28 150 14190 -65.9 -78.9 15 13.0 -66.0 295 75 356.6 356.6 298.0 356.6 0.01 29 145 14394 -67.5 -79.5 17 12.0 -67.6 293 73 357.3 357.3 298.1 357.3 0.00 30 115 15770 -72.7 -86.7 10 14.0 -72.8 285 62 372.1 372.1 300.9 372.1 0.00 31 105 16298 -76.3 -88.3 13 12.0 -76.3 285 57 375.0 375.0 301.4 375.0 0.00 32 100 16580 -75.1 -88.1 11 13.0 -75.2 285 53 382.6 382.6 302.6 382.6 0.00 33 92 17070 -70.9 -87.9 6 17.0 -71.0 275 45 400.2 400.2 305.2 400.2 0.00 34 74 18346 -75.7 -89.7 9 14.0 -75.7 267 25 415.8 415.8 307.2 415.8 0.00 35 70 18670 -73.3 -89.3 7 16.0 -73.4 240 9 427.6 427.6 308.6 427.6 0.00 36 64 19191 -74.9 -89.9 8 15.0 -75.0 228 9 435.2 435.2 309.4 435.2 0.00 37 59 19670 -68.3 -89.3 3 21.0 -68.5 209 9 460.2 460.2 311.8 460.2 0.00 38 50 20670 -64.5 -89.5 2 25.0 -64.8 170 7 491.5 491.5 314.3 491.5 0.00 39 43 21596 -62.9 -89.9 1 27.0 -63.4 171 10 517.1 517.1 316.1 517.1 0.00 40 38 22356 -64.1 -90.1 2 26.0 -64.6 33 17 532.6 532.6 317.1 532.7 0.00 41 30 23830 -56.7 -86.7 1 30.0 -58.0 95 20 590.1 590.1 320.2 590.1 0.01 42 28 24269 -52.9 -84.9 1 32.0 -55.0 81 20 612.4 612.4 321.2 612.5 0.01 43 22 25830 -50.1 -83.1 1 33.0 -53.3 106 12 664.5 664.5 323.2 664.6 0.02 44 20 26450 -50.5 -83.5 1 33.0 -53.8 70 24 681.6 681.6 323.8 681.7 0.02 45 18 27139 -49.5 -83.5 1 34.0 -53.4 71 24 705.6 705.6 324.6 705.8 0.02 TRP 105 16298 -76.3 -88.3 13 12.0 -76.3 285 57 375.0 375.0 301.4 375.0 0.00 WND 196 12521 -52.5 -70.4 10 17.9 -52.8 305 82 351.7 351.7 297.0 351.8 0.01 Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 568.60 mb = 4831.28 m = 15850.46 ft Wetbulb zero: 691.49 mb = 3234.42 m = 10611.49 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 16.58 % Est. max temperature: 31.65 C = 88.97 F Sfc-Lift cond lev (LCL): 848.69 mb = 1512.11 m = 4960.95 ft T: 21.08 C 700-500 lapse rate: 5.73 C/km ThetaE index: 27.19 C Layer 914.0- 850.0 mb Conv cond level (CCL): 543.42 mb = 5181.20 m = 16998.49 ft Mean mixing ratio: 5.86 g/kg Conv temperature: 44.83 C = 112.69 F Cap Strength: 8.95 C Lifted Index: 8.15 C Risk: None Lifted Index @300 mb: 15.64 C Lifted Index @700 mb: 6.88 C Showalter Index: 12.95 C Risk: None Total Totals Index: 18.00 C Risk: None Vertical Totals Index: 28.50 C Cross Totals Index: -10.50 C K Index: -6.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.32 J/kg Max Up Vert Vel: 8.98 m/s Conv Inhibition (B-): 34335.10 J/kg Cap Strength: 8.93 C Lift Cond Lev (LCL): 695.77 mb = 3183.73 m = 10445.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 10 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 40 6 -3.9 -4.6 | 144 7 -4.1 5.5 1 941 610 15 17 -4.4 -16.4 | 36 8 -4.6 -6.3 2 925 767 15 21 -5.4 -20.3 | 29 12 -5.6 -10.2 3 909 914 360 17 -0.0 -17.0 | 2 7 -0.2 -6.9 4 878 1219 355 12 1.0 -12.0 | 336 2 0.8 -1.9 5 850 1499 15 17 -4.4 -16.4 | 36 8 -4.6 -6.3 6 847 1524 15 19 -4.9 -18.4 | 32 10 -5.1 -8.3 7 788 2134 30 12 -6.0 -10.4 | 87 6 -6.2 -0.3 8 760 2438 30 7 -3.5 -6.1 | 137 5 -3.7 4.0 9 700 3134 345 7 1.8 -6.8 | 206 4 1.6 3.3 10 656 3658 340 2 0.7 -1.9 | 183 8 0.5 8.2 11 608 4267 305 7 5.7 -4.0 | 222 8 5.5 6.1 12 585 4572 315 10 7.1 -7.1 | 246 8 6.9 3.0 13 564 4877 295 17 15.4 -7.2 | 259 15 15.2 2.9 14 543 5182 310 28 21.4 -18.0 | 290 23 21.2 -7.9 15 522 5486 310 25 19.2 -16.1 | 287 20 18.9 -6.0 16 500 5840 285 19 18.4 -4.9 | 254 19 18.1 5.2 17 483 6096 285 20 19.3 -5.2 | 256 20 19.1 4.9 18 465 6401 280 20 19.7 -3.5 | 251 21 19.5 6.6 19 400 7540 280 37 36.4 -6.4 | 264 36 36.2 3.7 20 364 8230 290 43 40.4 -14.7 | 277 40 40.2 -4.6 21 300 9630 300 76 65.8 -38.0 | 293 71 65.6 -27.9 22 295 9754 300 77 66.7 -38.5 | 293 72 66.5 -28.4 23 250 10900 290 76 71.4 -26.0 | 283 73 71.2 -15.9 24 247 10973 290 76 71.4 -26.0 | 283 73 71.2 -15.9 25 200 12390 305 80 65.5 -45.9 | 299 74 65.3 -35.8 26 196 12521 305 82 67.2 -47.0 | 299 76 67.0 -36.9 27 187 12802 305 82 67.2 -47.0 | 299 76 67.0 -36.9 28 150 14190 295 75 68.0 -31.7 | 288 71 67.8 -21.6 29 126 15240 285 67 64.7 -17.3 | 276 65 64.5 -7.2 30 105 16298 285 57 55.1 -14.8 | 275 55 54.9 -4.7 31 100 16580 285 53 51.2 -13.7 | 274 51 51.0 -3.6 32 97 16764 285 53 51.2 -13.7 | 274 51 51.0 -3.6 33 92 17069 275 45 44.8 -3.9 | 262 45 44.6 6.2 34 87 17374 315 26 18.4 -18.4 | 295 20 18.2 -8.3 35 79 17983 270 26 26.0 -0.0 | 249 28 25.8 10.1 36 71 18593 265 24 23.9 2.1 | 243 27 23.7 12.2 37 70 18670 240 9 7.8 4.5 | 207 16 7.6 14.6 38 67 18898 240 10 8.7 5.0 | 209 17 8.5 15.1 39 50 20670 170 7 -1.2 6.9 | 175 17 -1.4 17.0 40 50 20726 270 10 10.0 -0.0 | 224 14 9.8 10.1 41 47 21031 185 10 0.9 10.0 | 182 20 0.7 20.1 42 43 21641 170 10 -1.7 9.8 | 174 20 -1.9 19.9 43 41 21946 110 14 -13.2 4.8 | 138 20 -13.4 14.9 44 39 22250 50 22 -16.9 -14.1 | 77 18 -17.1 -4.0 45 37 22555 5 10 -0.9 -10.0 | 97 1 -1.1 0.1 46 35 22860 70 1 -0.9 -0.3 | 173 10 -1.1 9.8 47 32 23470 175 10 -0.9 10.0 | 177 20 -1.1 20.1 48 30 23774 110 25 -23.5 8.6 | 128 30 -23.7 18.6 49 30 23830 95 20 -19.9 1.7 | 120 23 -20.1 11.8 50 29 24079 100 24 -23.6 4.2 | 121 28 -23.8 14.3 51 28 24384 70 18 -16.9 -6.2 | 103 18 -17.1 3.9 52 26 24689 90 18 -18.0 0.0 | 119 21 -18.2 10.1 53 25 24994 90 16 -16.0 0.0 | 122 19 -16.2 10.1 54 24 25298 75 8 -7.7 -2.1 | 135 11 -7.9 8.0 55 22 25908 110 13 -12.2 4.4 | 140 19 -12.4 14.5 56 21 26213 80 22 -21.7 -3.8 | 106 23 -21.9 6.3 57 20 26450 70 24 -22.6 -8.2 | 95 23 -22.8 1.9 58 20 26518 85 25 -24.9 -2.2 | 108 26 -25.1 7.9 59 15 27432 45 23 -16.3 -16.3 | 69 18 -16.5 -6.2 Wind Parameters Mean winds (0-6000m): 328.8 at 13.5 knts Storm direction: 358.8 at 10.1 knts Shear (0-3000m) pos: 1.8 neg: 2.1 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 44.9 deg Storm rel helicity (0-3000m) pos: 28.1 neg: -33.2 tot: -5.1 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.31 Bulk Shear: 17.48 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 12 17 30 7| 0.0 12.5 12.5| 0.0 -30.3 -30.3 -60.6 -0.78| 24.3-18.9 1000 7 15 22 6| 2.1 6.2 8.3| 4.0 -31.5 -27.5 -27.5 -0.48| 16.9 -8.2 1500 11 16 32 6| 2.5 4.2 6.7| 14.2 -31.5 -17.3 -11.5 -0.27| 13.8 -3.8 2000 15 14 45 5| 2.7 3.1 5.8| 24.4 -31.5 -7.1 -3.5 -0.09| 12.2 -1.1 2500 14 13 54 4| 2.1 3.0 5.1| 27.3 -31.5 -4.2 -1.7 -0.02| 10.6 -0.2 3000 12 12 63 3| 1.8 2.1 3.9| 28.1 -33.2 -5.1 -1.7 -0.03| 9.6 -0.3 4000 5 10 101 1| 1.3 2.3 3.7| 42.3 -34.3 8.0 2.0 0.08| 8.4 0.6 5000 345 12 296 3| 0.5 3.0 3.5| 99.1 -38.6 60.5 12.1 0.20| 9.2 1.8 6000 329 13 282 7| 0.4 2.3 2.7|103.2-103.4 -0.2 -0.0 0.05| 8.9 0.5 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251226.12.gif