UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 4 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 96 SFC 956 474 25.6 11.6 42 14.0 16.7 10 14 302.6 304.3 291.5 329.4 9.00 2 925 783 23.2 9.2 41 14.0 14.6 5 16 303.0 304.5 290.7 326.7 7.91 3 855 1465 20.0 9.0 49 11.0 13.1 338 15 306.6 308.2 292.3 332.2 8.45 4 850 1516 19.6 9.6 52 10.0 13.3 335 14 306.7 308.3 292.6 333.5 8.86 5 761 2455 12.0 5.0 62 7.0 7.9 43 9 308.3 309.7 291.8 330.4 7.20 6 758 2489 13.2 -3.8 30 17.0 4.8 38 8 310.0 310.7 289.3 321.9 3.81 7 752 2556 14.4 -12.6 14 27.0 2.9 28 6 312.0 312.3 288.2 318.3 1.93 8 751 2567 14.6 -11.4 15 26.0 3.3 27 5 312.3 312.7 288.5 319.2 2.13 9 700 3156 9.2 -5.8 34 15.0 2.0 190 7 312.7 313.3 290.0 324.0 3.54 10 670 3516 5.8 -5.2 45 11.0 0.5 228 6 312.8 313.5 290.3 325.1 3.87 11 618 4171 2.4 -25.6 11 28.0 -6.0 298 3 316.2 316.4 288.3 318.9 0.77 12 605 4343 3.6 -29.4 7 33.0 -5.8 309 3 319.5 319.6 289.2 321.5 0.55 13 532 5373 -2.3 -38.3 4 36.0 -10.3 285 10 324.4 324.5 290.4 325.4 0.26 14 500 5860 -6.9 -36.9 7 30.0 -13.3 270 7 324.6 324.7 290.5 325.8 0.32 15 400 7560 -20.5 -45.5 9 25.0 -23.8 255 16 328.3 328.4 291.4 329.0 0.16 16 337 8804 -31.1 -53.1 10 22.0 -32.8 219 21 330.4 330.4 291.9 330.7 0.08 17 329 8974 -31.9 -59.9 5 28.0 -33.6 220 22 331.6 331.6 292.2 331.7 0.04 18 300 9620 -36.9 -59.9 7 23.0 -38.1 245 29 333.4 333.4 292.7 333.5 0.04 19 293 9782 -38.1 -61.1 7 23.0 -39.2 249 30 333.9 333.9 292.8 334.1 0.03 20 282 10044 -40.5 -50.5 33 10.0 -41.1 255 31 334.1 334.2 293.0 334.7 0.13 21 265 10463 -43.9 -63.9 9 20.0 -44.6 265 33 335.2 335.2 293.2 335.3 0.03 22 250 10850 -47.5 -62.5 16 15.0 -47.9 265 37 335.4 335.5 293.2 335.6 0.03 23 226 11508 -53.3 -65.3 22 12.0 -53.5 269 38 336.4 336.4 293.4 336.5 0.03 24 200 12290 -56.1 -73.1 10 17.0 -56.3 275 59 343.9 343.9 295.3 344.0 0.01 25 192 12549 -56.5 -75.5 7 19.0 -56.7 273 63 347.3 347.3 296.0 347.4 0.01 26 181 12922 -58.8 -76.6 8 17.8 -58.9 270 69 349.5 349.5 296.5 349.6 0.01 27 166 13461 -62.1 -78.1 10 16.0 -62.2 270 56 352.7 352.7 297.2 352.7 0.01 28 158 13767 -60.3 -80.3 6 20.0 -60.5 277 49 360.8 360.8 298.8 360.8 0.00 29 150 14090 -61.9 -81.9 5 20.0 -62.0 285 42 363.4 363.4 299.4 363.5 0.00 30 135 14737 -64.3 -85.3 4 21.0 -64.4 278 55 370.3 370.3 300.6 370.3 0.00 31 120 15457 -63.9 -88.9 2 25.0 -64.1 272 40 383.7 383.7 302.8 383.7 0.00 32 100 16550 -72.7 -90.7 5 18.0 -72.8 280 25 387.3 387.3 303.4 387.3 0.00 33 84 17565 -76.3 -90.3 9 14.0 -76.3 272 21 399.8 399.8 305.2 399.8 0.00 34 70 18620 -74.9 -89.9 8 15.0 -75.0 30 4 424.1 424.1 308.2 424.2 0.00 35 59 19626 -71.1 -91.1 4 20.0 -71.2 309 10 453.9 453.9 311.2 453.9 0.00 36 56 19940 -66.1 -90.1 2 24.0 -66.3 280 10 472.2 472.2 312.8 472.2 0.00 37 50 20630 -65.5 -90.5 2 25.0 -65.8 310 4 489.1 489.1 314.1 489.1 0.00 38 44 21406 -65.3 -90.3 2 25.0 -65.6 6 16 507.8 507.8 315.5 507.8 0.00 39 31 23582 -56.1 -87.1 1 31.0 -57.5 261 7 586.2 586.2 320.0 586.2 0.01 40 30 23790 -56.5 -87.5 1 31.0 -57.9 185 2 590.6 590.6 320.2 590.6 0.01 41 22 25774 -52.3 -85.3 1 33.0 -54.9 56 20 657.9 657.9 323.0 658.0 0.01 42 20 26390 -52.5 -84.5 1 32.0 -55.3 70 16 675.5 675.5 323.6 675.6 0.02 43 12 29732 -47.1 -83.1 1 36.0 -53.2 70 17 800.9 800.9 327.3 801.2 0.03 TRP 166 13461 -62.1 -78.1 10 16.0 -62.2 270 56 352.7 352.7 297.2 352.7 0.01 WND 181 12922 -58.8 -76.6 8 17.8 -58.9 270 69 349.5 349.5 296.5 349.6 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 560.46 mb = 4971.03 m = 16308.94 ft Wetbulb zero: 665.63 mb = 3568.70 m = 11708.19 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 29.15 % Est. max temperature: 30.41 C = 86.74 F Sfc-Lift cond lev (LCL): 778.28 mb = 2264.75 m = 7430.19 ft T: 13.54 C 700-500 lapse rate: 5.95 C/km ThetaE index: 15.20 C Layer 761.0- 751.0 mb Conv cond level (CCL): 653.55 mb = 3717.22 m = 12195.47 ft Mean mixing ratio: 8.26 g/kg Conv temperature: 36.69 C = 98.04 F Cap Strength: 7.49 C Lifted Index: 4.80 C Risk: None Lifted Index @300 mb: 4.04 C Lifted Index @700 mb: 5.25 C Showalter Index: 2.69 C Risk: Showers probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 16.50 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 150.20 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.73 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 40918.42 J/kg Cap Strength: 7.49 C Lift Cond Lev (LCL): 746.92 mb = 2612.49 m = 8571.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 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 ---------------------------------------------------------- 0 956 474 10 14 -2.4 -13.8 | 25 8 -3.4 -7.1 1 942 610 10 14 -2.4 -13.8 | 25 8 -3.4 -7.1 2 925 783 5 16 -1.4 -15.9 | 14 10 -2.3 -9.2 3 911 914 355 18 1.6 -17.9 | 357 11 0.6 -11.2 4 880 1219 350 22 3.8 -21.7 | 349 15 2.9 -14.9 5 850 1516 335 14 5.9 -12.7 | 320 8 5.0 -6.0 6 819 1829 335 15 6.3 -13.6 | 322 9 5.4 -6.9 7 790 2134 360 11 -0.0 -11.0 | 12 4 -0.9 -4.3 8 762 2438 45 9 -6.4 -6.4 | 93 7 -7.3 0.4 9 735 2743 0 0 -0.0 -0.0 | 172 7 -0.9 6.7 10 700 3156 190 7 1.2 6.9 | 181 14 0.3 13.6 11 610 4267 310 3 2.3 -1.9 | 196 5 1.4 4.8 12 544 5182 300 10 8.7 -5.0 | 257 8 7.7 1.7 13 524 5486 275 10 10.0 -0.9 | 237 11 9.0 5.8 14 500 5860 270 7 7.0 -0.0 | 222 9 6.1 6.7 15 485 6096 260 7 6.9 1.2 | 217 10 6.0 7.9 16 447 6706 255 11 10.6 2.8 | 225 14 9.7 9.6 17 430 7010 235 10 8.2 5.7 | 210 14 7.3 12.5 18 400 7560 255 16 15.5 4.1 | 233 18 14.5 10.9 19 364 8230 260 18 17.7 3.1 | 240 19 16.8 9.8 20 335 8839 215 21 12.0 17.2 | 205 26 11.1 23.9 21 300 9620 245 29 26.3 12.3 | 233 32 25.4 19.0 22 257 10668 270 34 34.0 -0.0 | 259 34 33.1 6.7 23 250 10850 265 37 36.9 3.2 | 255 37 35.9 9.9 24 223 11582 270 38 38.0 -0.0 | 260 38 37.1 6.7 25 203 12192 275 60 59.8 -5.2 | 269 59 58.8 1.5 26 200 12290 275 59 58.8 -5.1 | 268 58 57.8 1.6 27 181 12922 270 69 69.0 -0.0 | 264 68 68.1 6.7 28 176 13106 270 69 69.0 -0.0 | 264 68 68.1 6.7 29 166 13461 270 56 56.0 -0.0 | 263 55 55.1 6.7 30 150 14090 285 42 40.6 -10.9 | 276 40 39.6 -4.2 31 144 14326 285 41 39.6 -10.6 | 276 39 38.7 -3.9 32 130 14935 275 62 61.8 -5.4 | 269 61 60.8 1.3 33 124 15240 265 51 50.8 4.4 | 257 51 49.9 11.2 34 118 15545 275 34 33.9 -3.0 | 263 33 32.9 3.8 35 100 16550 280 25 24.6 -4.3 | 264 24 23.7 2.4 36 96 16764 275 25 24.9 -2.2 | 259 24 24.0 4.5 37 91 17069 285 31 29.9 -8.0 | 273 29 29.0 -1.3 38 87 17374 275 24 23.9 -2.1 | 259 23 23.0 4.6 39 78 17983 265 14 13.9 1.2 | 239 15 13.0 7.9 40 74 18288 260 12 11.8 2.1 | 231 14 10.9 8.8 41 70 18593 5 10 -0.9 -10.0 | 29 4 -1.8 -3.2 42 70 18620 30 4 -2.0 -3.5 | 138 4 -2.9 3.3 43 63 19202 350 10 1.7 -9.8 | 346 3 0.8 -3.1 44 54 20117 265 10 10.0 0.9 | 230 12 9.0 7.6 45 50 20630 310 4 3.1 -2.6 | 207 5 2.1 4.1 46 47 21031 360 11 -0.0 -11.0 | 12 4 -0.9 -4.3 47 45 21336 10 13 -2.3 -12.8 | 28 7 -3.2 -6.1 48 42 21641 355 23 2.0 -22.9 | 356 16 1.1 -16.2 49 40 21946 305 10 8.2 -5.7 | 262 7 7.3 1.0 50 37 22555 0 0 -0.0 -0.0 | 172 7 -0.9 6.7 51 33 23165 330 15 7.5 -13.0 | 314 9 6.6 -6.3 52 32 23470 305 10 8.2 -5.7 | 262 7 7.3 1.0 53 30 23790 185 2 0.2 2.0 | 175 9 -0.8 8.7 54 29 24079 215 2 1.1 1.6 | 181 8 0.2 8.4 55 27 24384 140 10 -6.4 7.7 | 153 16 -7.4 14.4 56 26 24689 75 10 -9.7 -2.6 | 111 11 -10.6 4.1 57 23 25603 60 21 -18.2 -10.5 | 79 19 -19.1 -3.8 58 21 26213 45 19 -13.4 -13.4 | 65 16 -14.4 -6.7 59 20 26390 70 16 -15.0 -5.5 | 94 16 -16.0 1.2 60 19 26518 80 18 -17.7 -3.1 | 101 19 -18.7 3.6 61 18 26822 65 17 -15.4 -7.2 | 88 16 -16.3 -0.5 62 15 27432 75 19 -18.4 -4.9 | 95 19 -19.3 1.8 63 12 28346 70 17 -16.0 -5.8 | 93 17 -16.9 0.9 64 11 28651 90 15 -15.0 0.0 | 113 17 -15.9 6.7 65 10 28956 95 15 -14.9 1.3 | 117 18 -15.9 8.0 66 8 29870 65 19 -17.2 -8.0 | 86 18 -18.1 -1.3 67 7 30175 70 20 -18.8 -6.8 | 90 20 -19.7 -0.1 Wind Parameters Mean winds (0-6000m): 322.1 at 9.0 knts Storm direction: 352.1 at 6.8 knts Shear (0-3000m) pos: 2.3 neg: 3.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 170.8 deg Storm rel helicity (0-3000m) pos: 42.6 neg: -47.1 tot: -4.6 m^2/s^2 ave: -1.5 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.89 Bulk Shear: 15.40 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 16 12 9| 0.0 6.8 6.8| 0.0 -13.5 -13.5 -27.1 -0.77| 6.9 -5.3 1000 355 18 357 11| 0.0 4.3 4.3| 0.0 -33.5 -33.5 -33.5 -0.65| 9.0 -5.9 1500 350 17 348 10| 1.1 2.9 3.9| 5.4 -35.1 -29.7 -19.8 -0.42| 7.7 -3.2 2000 353 15 354 8| 3.5 2.1 5.6| 20.0 -35.1 -15.1 -7.5 0.04| 8.8 0.3 2500 354 13 356 6| 2.8 3.8 6.6| 32.4 -35.1 -2.7 -1.1 0.23| 9.7 2.2 3000 352 11 351 5| 2.3 3.5 5.8| 42.6 -47.1 -4.6 -1.5 0.17| 10.0 1.7 4000 347 10 336 3| 1.5 2.6 4.1| 49.3 -48.6 0.7 0.2 0.18| 8.6 1.6 5000 335 9 300 3| 1.2 2.7 3.9| 55.7 -56.3 -0.6 -0.1 0.17| 7.9 1.4 6000 322 9 275 5| 1.0 2.4 3.3| 58.9 -65.4 -6.5 -1.1 0.13| 7.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251204.12.gif