UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 7 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 162 SFC 962 474 17.0 15.9 93 1.1 16.3 290 8 293.4 295.5 290.9 327.3 11.89 2 945 636 18.0 12.0 68 6.0 14.3 242 9 295.9 297.6 289.6 322.9 9.36 3 925 831 16.6 9.6 63 7.0 12.4 185 13 296.3 297.8 288.7 319.9 8.13 4 910 970 16.2 7.2 55 9.0 11.0 167 13 297.3 298.5 288.0 317.8 7.01 5 850 1548 13.2 8.4 73 4.8 10.3 85 10 300.0 301.5 290.0 324.0 8.16 6 830 1748 11.6 8.7 82 2.9 9.9 80 12 300.3 301.9 290.4 325.5 8.54 7 758 2503 8.4 5.0 79 3.4 6.5 64 11 304.8 306.1 290.7 326.6 7.23 8 700 3156 3.0 1.6 90 1.4 2.2 360 6 305.8 307.0 290.1 324.5 6.15 9 685 3331 1.2 1.0 99 0.2 1.1 7 6 305.7 306.8 290.0 324.0 6.02 10 643 3839 -0.3 -0.3 100 0.0 -0.3 12 7 309.6 310.7 291.0 327.6 5.83 11 501 5805 -9.5 -10.2 95 0.7 -9.8 343 23 321.3 322.0 292.5 332.9 3.52 12 500 5820 -9.7 -10.5 94 0.8 -10.1 340 23 321.2 321.9 292.4 332.6 3.44 13 400 7510 -19.9 -21.6 86 1.7 -20.4 350 35 329.1 329.5 293.1 335.1 1.70 14 377 7947 -22.9 -24.8 84 1.9 -23.4 350 36 330.8 331.1 293.2 335.6 1.36 15 344 8611 -27.9 -30.3 80 2.4 -28.3 345 40 332.8 333.0 293.3 336.1 0.89 16 305 9465 -34.3 -35.4 90 1.1 -34.4 349 36 335.4 335.6 293.7 337.8 0.62 17 300 9580 -35.3 -38.1 75 2.8 -35.7 350 35 335.6 335.7 293.7 337.4 0.48 18 261 10533 -44.1 -48.5 62 4.4 -44.4 341 30 336.3 336.4 293.6 337.0 0.18 19 253 10741 -46.1 -49.0 72 2.9 -46.3 329 31 336.4 336.4 293.6 337.1 0.17 20 250 10820 -46.9 -51.8 57 4.9 -47.1 325 32 336.3 336.4 293.5 336.9 0.13 21 248 10873 -47.1 -53.1 50 6.0 -47.4 325 31 336.8 336.8 293.6 337.3 0.11 22 246 10926 -47.9 -50.6 74 2.7 -48.0 325 29 336.4 336.4 293.6 337.0 0.15 23 241 11061 -49.3 -53.4 62 4.1 -49.5 318 30 336.3 336.3 293.5 336.7 0.11 24 239 11115 -49.1 -67.1 10 18.0 -49.5 314 32 337.4 337.4 293.7 337.5 0.02 25 237 11170 -49.7 -57.7 39 8.0 -50.0 309 34 337.3 337.3 293.7 337.6 0.07 26 236 11198 -49.9 -64.9 16 15.0 -50.3 307 34 337.4 337.4 293.7 337.5 0.03 27 201 12228 -56.7 -67.7 24 11.0 -56.9 290 70 342.5 342.5 294.9 342.6 0.02 28 200 12260 -56.9 -68.9 21 12.0 -57.1 290 71 342.7 342.7 295.0 342.7 0.02 29 194 12453 -56.7 -75.7 7 19.0 -56.9 291 75 346.0 346.0 295.7 346.0 0.01 30 177 13031 -58.8 -77.8 7 19.0 -59.0 295 89 351.7 351.7 297.0 351.7 0.01 31 152 13978 -62.3 -81.3 6 19.0 -62.4 286 74 361.4 361.4 299.0 361.4 0.00 32 150 14060 -63.1 -81.1 7 18.0 -63.2 285 73 361.4 361.4 299.0 361.4 0.00 33 140 14480 -66.1 -81.1 11 15.0 -66.2 285 74 363.3 363.3 299.4 363.3 0.00 34 127 15074 -62.1 -85.1 3 23.0 -62.3 275 42 380.8 380.8 302.4 380.8 0.00 35 125 15172 -61.5 -84.5 3 23.0 -61.7 272 37 383.6 383.6 302.8 383.6 0.00 36 100 16530 -68.1 -87.1 5 19.0 -68.2 270 37 396.2 396.2 304.7 396.2 0.00 37 89 17224 -71.7 -87.7 7 16.0 -71.8 250 31 402.4 402.4 305.5 402.4 0.00 38 78 18008 -69.1 -88.1 5 19.0 -69.2 225 25 423.3 423.3 308.1 423.3 0.00 39 71 18566 -72.1 -88.1 7 16.0 -72.2 243 16 428.4 428.4 308.7 428.4 0.00 40 70 18650 -70.3 -88.3 5 18.0 -70.4 205 18 434.0 434.0 309.3 434.0 0.00 41 52 20424 -67.3 -89.3 3 22.0 -67.5 155 12 479.5 479.5 313.4 479.5 0.00 42 51 20541 -67.7 -89.7 3 22.0 -67.9 160 15 481.2 481.2 313.5 481.2 0.00 43 50 20660 -65.9 -89.9 2 24.0 -66.2 165 18 488.2 488.2 314.1 488.2 0.00 44 48 20910 -63.7 -89.7 2 26.0 -64.1 177 16 499.2 499.2 314.9 499.2 0.00 45 41 21875 -66.1 -90.1 2 24.0 -66.4 351 2 516.2 516.2 316.1 516.2 0.00 46 31 23621 -55.3 -86.3 1 31.0 -56.8 120 10 588.3 588.3 320.0 588.4 0.01 47 30 23830 -56.1 -86.1 1 30.0 -57.5 85 18 591.7 591.7 320.2 591.8 0.01 48 29 24046 -55.7 -85.7 1 30.0 -57.2 85 18 598.6 598.6 320.6 598.6 0.01 TRP 89 17224 -71.7 -87.7 7 16.0 -71.8 250 31 402.4 402.4 305.5 402.4 0.00 WND 177 13031 -58.8 -77.8 7 19.0 -59.0 295 89 351.7 351.7 297.0 351.7 0.01 Sounding variables and indices 1000-500 mb thick: 5658.00 m Freezing level: 651.40 mb = 3737.80 m = 12262.98 ft Wetbulb zero: 652.91 mb = 3716.60 m = 12193.41 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 86.94 % Est. max temperature: 24.93 C = 76.88 F Sfc-Lift cond lev (LCL): 946.64 mb = 620.66 m = 2036.25 ft T: 17.90 C 700-500 lapse rate: 4.77 C/km ThetaE index: 9.48 C Layer 945.0- 850.0 mb Conv cond level (CCL): 736.36 mb = 2740.86 m = 8992.22 ft Mean mixing ratio: 8.24 g/kg Conv temperature: 28.65 C = 83.57 F Cap Strength: 6.18 C Lifted Index: 6.10 C Risk: None Lifted Index @300 mb: 10.85 C Lifted Index @700 mb: 2.10 C Showalter Index: 4.52 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 18.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 143.80 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.77 J/kg Max Up Vert Vel: 6.45 m/s Conv Inhibition (B-): 26173.29 J/kg Cap Strength: 6.04 C Lift Cond Lev (LCL): 826.18 mb = 1786.33 m = 5860.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 32 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 ---------------------------------------------------------- 0 962 474 290 8 7.5 -2.7 | 246 14 12.7 5.6 1 948 610 250 8 7.5 2.7 | 229 17 12.7 11.1 2 925 831 185 13 1.1 13.0 | 196 22 6.3 21.3 3 916 914 175 13 -1.1 13.0 | 191 22 4.0 21.3 4 852 1524 85 10 -10.0 -0.9 | 147 9 -4.8 7.5 5 850 1548 85 10 -10.0 -0.9 | 147 9 -4.8 7.5 6 792 2134 70 16 -15.0 -5.5 | 106 10 -9.9 2.9 7 763 2438 70 11 -10.3 -3.8 | 132 7 -5.2 4.6 8 700 3156 360 6 -0.0 -6.0 | 245 6 5.1 2.4 9 657 3658 20 6 -2.1 -5.6 | 228 4 3.1 2.7 10 608 4267 350 11 1.9 -10.8 | 289 7 7.1 -2.5 11 563 4877 335 16 6.8 -14.5 | 297 13 11.9 -6.1 12 542 5182 345 14 3.6 -13.5 | 300 10 8.8 -5.1 13 522 5486 325 21 12.0 -17.2 | 297 19 17.2 -8.8 14 502 5791 345 23 6.0 -22.2 | 321 18 11.1 -13.8 15 500 5820 340 23 7.9 -21.6 | 315 19 13.0 -13.2 16 482 6096 340 21 7.2 -19.7 | 313 17 12.3 -11.4 17 463 6401 335 24 10.1 -21.8 | 311 20 15.3 -13.4 18 445 6706 350 29 5.0 -28.6 | 333 23 10.2 -20.2 19 427 7010 335 33 13.9 -29.9 | 318 29 19.1 -21.5 20 400 7510 350 35 6.1 -34.5 | 337 28 11.2 -26.1 21 394 7620 350 35 6.1 -34.5 | 337 28 11.2 -26.1 22 362 8230 350 36 6.3 -35.5 | 337 29 11.4 -27.1 23 347 8534 345 40 10.4 -38.6 | 333 34 15.5 -30.3 24 300 9580 350 35 6.1 -34.5 | 337 28 11.2 -26.1 25 267 10363 350 29 5.0 -28.6 | 333 23 10.2 -20.2 26 250 10820 325 32 18.4 -26.2 | 307 29 23.5 -17.8 27 244 10973 325 28 16.1 -22.9 | 304 26 21.2 -14.6 28 233 11278 300 37 32.0 -18.5 | 285 39 37.2 -10.1 29 212 11887 295 61 55.3 -25.8 | 286 63 60.4 -17.4 30 200 12260 290 71 66.7 -24.3 | 282 74 71.9 -15.9 31 177 13031 295 89 80.7 -37.6 | 289 91 85.8 -29.2 32 175 13106 295 89 80.7 -37.6 | 289 91 85.8 -29.2 33 150 14060 285 73 70.5 -18.9 | 278 76 75.7 -10.5 34 137 14630 285 74 71.5 -19.2 | 278 77 76.6 -10.8 35 130 14935 280 49 48.3 -8.5 | 270 53 53.4 -0.1 36 124 15240 270 33 33.0 -0.0 | 258 39 38.1 8.4 37 112 15850 275 27 26.9 -2.4 | 259 33 32.0 6.0 38 106 16154 300 26 22.5 -13.0 | 279 28 27.7 -4.6 39 101 16459 270 41 41.0 -0.0 | 260 47 46.1 8.4 40 100 16530 270 37 37.0 -0.0 | 259 43 42.1 8.4 41 96 16764 270 37 37.0 -0.0 | 259 43 42.1 8.4 42 89 17224 250 31 29.1 10.6 | 241 39 34.3 19.0 43 82 17678 230 30 23.0 19.3 | 225 39 28.1 27.7 44 78 17983 225 26 18.4 18.4 | 221 36 23.5 26.8 45 74 18288 225 11 7.8 7.8 | 219 21 12.9 16.2 46 71 18593 245 16 14.5 6.8 | 232 25 19.6 15.1 47 70 18650 205 18 7.6 16.3 | 207 28 12.7 24.7 48 67 18898 215 20 11.5 16.4 | 214 30 16.6 24.8 49 64 19202 210 15 7.5 13.0 | 211 25 12.6 21.4 50 61 19507 185 12 1.0 12.0 | 197 21 6.2 20.3 51 58 19812 215 10 5.7 8.2 | 213 20 10.9 16.6 52 55 20117 130 5 -3.8 3.2 | 186 12 1.3 11.6 53 52 20422 155 12 -5.1 10.9 | 180 19 0.1 19.3 54 50 20660 165 18 -4.7 17.4 | 181 26 0.5 25.8 55 49 20726 195 13 3.4 12.6 | 202 23 8.5 20.9 56 47 21031 165 18 -4.7 17.4 | 181 26 0.5 25.8 57 45 21336 150 12 -6.0 10.4 | 177 19 -0.9 18.8 58 41 21946 335 1 0.4 -0.9 | 217 9 5.6 7.5 59 39 22250 240 10 8.7 5.0 | 226 19 13.8 13.4 60 35 22860 250 11 10.3 3.8 | 232 20 15.5 12.1 61 30 23774 95 10 -10.0 0.9 | 152 10 -4.8 9.2 62 30 23830 85 18 -17.9 -1.6 | 118 14 -12.8 6.8 63 28 24079 85 18 -17.9 -1.6 | 118 14 -12.8 6.8 64 26 24384 100 16 -15.8 2.8 | 136 15 -10.6 11.2 Wind Parameters Mean winds (0-6000m): 1.5 at 13.1 knts Storm direction: 31.5 at 9.8 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -9.4 deg Storm rel helicity (0-3000m) pos: 9.0 neg: -164.1 tot: -155.1 m^2/s^2 ave: -51.7 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 10.7 stream: -5.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 70.64 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 ------------------------------------------------------------------------------- 500 207 11 209 20| 0.0 18.9 18.9| 0.0-101.8-101.8 -203.5 -0.89| 23.2-20.6 1000 168 11 189 19| 0.0 9.3 9.3| 0.0-146.1-146.1 -146.1 -0.80| 19.3-15.5 1500 128 11 166 16| 0.0 7.3 7.3| 0.0-159.2-159.2 -106.1 -0.81| 14.9-12.2 2000 102 12 149 13| 0.0 4.5 4.5| 6.7-163.0-156.3 -78.2 -0.68| 12.9 -8.7 2500 90 11 144 11| 0.0 2.2 2.2| 8.9-163.0-154.2 -61.7 -0.51| 12.0 -6.1 3000 82 10 143 9| 0.0 1.6 1.6| 9.0-164.1-155.1 -51.7 -0.49| 10.7 -5.2 4000 56 10 131 4| 0.0 1.3 1.3| 16.2-164.7-148.5 -37.1 -0.36| 9.2 -3.3 5000 22 11 333 2| 0.0 1.5 1.5| 20.2-169.4-149.2 -29.8 -0.29| 9.0 -2.6 6000 2 13 315 7| 0.5 1.6 2.0| 64.9-182.0-117.1 -19.5 -0.18| 8.8 -1.6 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251207.12.gif