UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 15 APR 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 130 SFC 959 474 13.2 11.6 90 1.6 12.3 340 4 289.8 291.4 287.1 315.1 8.98 2 958 483 14.6 12.1 85 2.5 13.1 349 4 291.3 293.0 288.0 317.6 9.29 3 954 520 14.4 11.5 83 2.9 12.7 26 3 291.4 293.0 287.7 316.9 8.96 4 934 709 14.6 9.9 73 4.7 11.8 53 5 293.4 294.9 287.8 317.0 8.22 5 925 795 17.0 8.0 55 9.0 11.7 360 8 296.7 298.0 288.1 318.0 7.29 6 923 813 17.0 8.0 55 9.0 11.7 358 8 296.9 298.2 288.2 318.2 7.30 7 853 1483 14.2 9.2 72 5.0 11.2 327 8 300.7 302.3 290.6 326.1 8.59 8 850 1513 14.0 9.1 72 4.9 11.0 325 7 300.8 302.4 290.6 326.1 8.56 9 700 3118 1.8 1.8 100 0.0 1.8 255 10 304.5 305.6 289.8 323.3 6.24 10 694 3187 1.4 1.4 100 0.0 1.4 255 10 304.8 305.9 289.8 323.3 6.11 11 669 3481 -0.3 -0.3 100 0.0 -0.3 263 15 306.1 307.1 289.8 323.2 5.60 12 667 3505 -0.5 -1.8 91 1.3 -1.2 265 16 306.1 307.1 289.2 321.6 5.03 13 655 3651 2.4 -8.6 44 11.0 -2.3 274 21 311.0 311.6 288.9 320.7 3.05 14 649 3725 2.0 -11.0 37 13.0 -3.3 274 22 311.4 311.8 288.6 319.5 2.54 15 565 4825 -6.7 -18.7 38 12.0 -10.5 262 29 313.7 314.0 288.3 318.9 1.55 16 553 4992 -6.7 -23.7 24 17.0 -11.5 260 32 315.6 315.8 288.5 319.1 1.02 17 500 5770 -12.7 -28.7 25 16.0 -16.4 255 29 317.6 317.7 288.8 320.1 0.72 18 473 6191 -15.5 -37.5 13 22.0 -19.3 264 25 319.2 319.2 288.8 320.3 0.32 19 400 7430 -26.5 -38.5 31 12.0 -28.0 245 35 320.5 320.6 289.3 321.8 0.34 20 363 8123 -32.9 -40.9 45 8.0 -33.7 241 36 321.0 321.1 289.4 322.1 0.29 21 343 8520 -34.9 -52.9 14 18.0 -36.0 237 39 323.5 323.6 289.9 323.9 0.08 22 302 9395 -42.5 -47.3 59 4.8 -42.8 226 50 324.8 324.9 290.4 325.5 0.18 23 300 9440 -42.7 -49.7 46 7.0 -43.1 225 51 325.2 325.2 290.5 325.7 0.14 24 270 10140 -48.9 -57.9 34 9.0 -49.2 225 49 326.1 326.1 290.7 326.3 0.06 25 255 10512 -52.3 -57.3 55 5.0 -52.4 225 47 326.5 326.5 290.7 326.7 0.06 26 253 10563 -52.5 -61.5 33 9.0 -52.7 225 47 326.9 326.9 290.9 327.1 0.04 27 250 10640 -53.3 -62.3 33 9.0 -53.5 225 47 326.8 326.8 290.9 327.0 0.04 28 242 10849 -54.7 -61.7 42 7.0 -54.8 222 46 327.8 327.8 291.1 327.9 0.04 29 239 10929 -55.3 -64.3 32 9.0 -55.5 221 45 328.0 328.1 291.2 328.2 0.03 30 227 11260 -54.3 -70.3 12 16.0 -54.5 230 44 334.4 334.4 292.9 334.5 0.01 31 215 11611 -51.9 -75.9 4 24.0 -52.2 244 53 343.4 343.4 295.1 343.4 0.01 32 200 12080 -52.7 -78.7 3 26.0 -53.1 260 53 349.3 349.3 296.5 349.3 0.00 33 178 12824 -55.5 -80.6 3 25.2 -55.8 270 80 356.6 356.6 298.0 356.7 0.00 34 150 13900 -59.5 -83.5 3 24.0 -59.7 260 63 367.6 367.6 300.1 367.6 0.00 35 100 16390 -68.7 -88.7 4 20.0 -68.8 265 50 395.0 395.0 304.5 395.0 0.00 36 98 16510 -69.3 -89.3 4 20.0 -69.4 265 55 396.1 396.1 304.7 396.1 0.00 37 89 17087 -65.3 -88.3 3 23.0 -65.5 260 63 415.2 415.2 307.2 415.2 0.00 38 70 18530 -68.7 -89.7 3 21.0 -68.8 280 22 437.4 437.4 309.6 437.4 0.00 39 69 18616 -68.9 -89.9 3 21.0 -69.0 261 17 438.8 438.8 309.7 438.8 0.00 40 64 19069 -67.1 -90.1 2 23.0 -67.3 287 24 452.3 452.3 311.1 452.3 0.00 41 60 19467 -58.1 -88.1 1 30.0 -58.7 290 31 480.8 480.8 313.5 480.8 0.00 42 52 20358 -63.7 -89.7 2 26.0 -64.0 286 13 487.9 487.9 314.1 487.9 0.00 43 50 20600 -61.9 -88.9 2 27.0 -62.4 270 5 497.6 497.6 314.8 497.6 0.00 44 45 21261 -57.1 -88.1 1 31.0 -58.0 313 8 524.5 524.5 316.6 524.5 0.00 45 40 22004 -59.9 -88.9 1 29.0 -60.6 135 11 535.4 535.4 317.2 535.4 0.00 46 35 22843 -58.1 -88.1 1 30.0 -59.1 291 14 561.0 561.0 318.7 561.0 0.00 47 30 23830 -51.9 -85.9 1 34.0 -54.1 150 4 603.2 603.2 320.7 603.2 0.01 48 24 25274 -53.3 -86.3 1 33.0 -55.6 352 5 638.8 638.8 322.3 638.9 0.01 49 20 26460 -49.3 -85.3 1 36.0 -53.0 310 3 685.3 685.3 324.0 685.4 0.01 50 17 27534 -45.7 -83.7 1 38.0 -51.1 318 8 729.4 729.4 325.3 729.6 0.02 TRP 98 16510 -69.3 -89.3 4 20.0 -69.4 265 55 396.1 396.1 304.7 396.1 0.00 WND 178 12824 -55.5 -80.6 3 25.2 -55.8 270 80 356.6 356.6 298.0 356.7 0.00 Sounding variables and indices 1000-500 mb thick: 5640.00 m Freezing level: 673.41 mb = 3429.53 m = 11251.61 ft Freezing level: 664.93 mb = 3530.50 m = 11582.86 ft Freezing level: 629.69 mb = 3978.14 m = 13051.47 ft Wetbulb zero: 673.88 mb = 3423.15 m = 11230.68 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 60.85 % Est. max temperature: 25.05 C = 77.10 F Sfc-Lift cond lev (LCL): 936.28 mb = 687.04 m = 2254.06 ft T: 14.58 C 700-500 lapse rate: 5.47 C/km ThetaE index: 7.27 C Layer 700.0- 553.0 mb Conv cond level (CCL): 753.76 mb = 2506.33 m = 8222.76 ft Mean mixing ratio: 8.06 g/kg Conv temperature: 26.39 C = 79.50 F Cap Strength: 5.03 C Lifted Index: 3.57 C Risk: None Lifted Index @300 mb: 4.04 C Lifted Index @700 mb: 1.31 C Showalter Index: 0.46 C Risk: Thunderstorms probable Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 21.80 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 152.20 Risk: None Energy Index: -1.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.56 J/kg Max Up Vert Vel: 9.01 m/s Conv Inhibition (B-): 34730.11 J/kg Cap Strength: 4.94 C Lift Cond Lev (LCL): 826.02 mb = 1749.56 m = 5739.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 13 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 ---------------------------------------------------------- 0 959 474 340 4 1.4 -3.8 | 104 11 -10.4 2.5 1 944 610 115 1 -0.9 0.4 | 118 14 -12.6 6.7 2 925 795 360 8 -0.0 -8.0 | 82 12 -11.7 -1.7 3 912 914 345 11 2.8 -10.6 | 64 10 -8.9 -4.4 4 880 1219 345 17 4.4 -16.4 | 36 13 -7.3 -10.2 5 850 1513 325 7 4.0 -5.7 | 94 8 -7.7 0.5 6 789 2134 285 8 7.7 -2.1 | 136 6 -4.0 4.2 7 760 2438 220 6 3.9 4.6 | 144 13 -7.9 10.9 8 706 3048 245 10 9.1 4.2 | 166 11 -2.7 10.5 9 700 3118 255 10 9.7 2.6 | 167 9 -2.1 8.9 10 679 3353 255 10 9.7 2.6 | 167 9 -2.1 8.9 11 654 3658 275 22 21.9 -1.9 | 247 11 10.2 4.4 12 605 4267 260 19 18.7 3.3 | 216 12 7.0 9.6 13 582 4572 270 23 23.0 -0.0 | 241 13 11.3 6.3 14 560 4877 260 31 30.5 5.4 | 238 22 18.8 11.7 15 518 5486 260 36 35.5 6.3 | 242 27 23.7 12.5 16 500 5770 255 29 28.0 7.5 | 230 21 16.3 13.8 17 479 6096 265 24 23.9 2.1 | 236 15 12.2 8.4 18 400 7430 245 35 31.7 14.8 | 223 29 20.0 21.1 19 357 8230 240 36 31.2 18.0 | 219 31 19.4 24.3 20 300 9440 225 51 36.1 36.1 | 210 49 24.3 42.3 21 300 9449 225 51 36.1 36.1 | 210 49 24.3 42.3 22 250 10640 225 47 33.2 33.2 | 209 45 21.5 39.5 23 237 10973 220 45 28.9 34.5 | 203 44 17.2 40.7 24 226 11278 230 44 33.7 28.3 | 212 41 22.0 34.6 25 206 11887 255 61 58.9 15.8 | 245 52 47.2 22.1 26 200 12080 260 53 52.2 9.2 | 249 43 40.5 15.5 27 197 12192 265 53 52.8 4.6 | 255 42 41.1 10.9 28 178 12824 270 80 80.0 -0.0 | 265 69 68.3 6.3 29 170 13106 270 80 80.0 -0.0 | 265 69 68.3 6.3 30 150 13900 260 63 62.0 10.9 | 251 53 50.3 17.2 31 127 14935 270 52 52.0 -0.0 | 261 41 40.3 6.3 32 115 15545 270 64 64.0 -0.0 | 263 53 52.3 6.3 33 100 16390 265 50 49.8 4.4 | 254 40 38.1 10.6 34 99 16459 265 49 48.8 4.3 | 254 39 37.1 10.5 35 98 16510 265 55 54.8 4.8 | 256 44 43.1 11.1 36 94 16764 265 50 49.8 4.4 | 254 40 38.1 10.6 37 89 17069 260 64 63.0 11.1 | 251 54 51.3 17.4 38 85 17374 265 50 49.8 4.4 | 254 40 38.1 10.6 39 77 17983 250 48 45.1 16.4 | 236 40 33.4 22.7 40 73 18288 230 26 19.9 16.7 | 200 24 8.2 23.0 41 70 18530 280 22 21.7 -3.8 | 256 10 9.9 2.4 42 69 18593 260 16 15.8 2.8 | 204 10 4.0 9.0 43 66 18898 275 22 21.9 -1.9 | 247 11 10.2 4.4 44 63 19202 295 26 23.6 -11.0 | 292 13 11.8 -4.7 45 60 19507 290 32 30.1 -10.9 | 284 19 18.3 -4.7 46 57 19812 290 14 13.2 -4.8 | 224 2 1.4 1.5 47 54 20117 310 15 11.5 -9.6 | 4 3 -0.2 -3.4 48 51 20422 280 12 11.8 -2.1 | 181 4 0.1 4.2 49 50 20600 270 5 5.0 -0.0 | 133 9 -6.7 6.3 50 49 20726 295 12 10.9 -5.1 | 144 1 -0.9 1.2 51 47 21031 355 2 0.2 -2.0 | 110 12 -11.6 4.3 52 45 21336 300 10 8.7 -5.0 | 112 3 -3.1 1.3 53 42 21641 170 10 -1.7 9.8 | 140 21 -13.5 16.1 54 40 21946 160 11 -3.8 10.3 | 137 23 -15.5 16.6 55 39 22250 45 10 -7.1 -7.1 | 88 19 -18.8 -0.8 56 37 22555 355 16 1.4 -15.9 | 47 14 -10.3 -9.7 57 35 22860 290 14 13.2 -4.8 | 224 2 1.4 1.5 58 33 23165 280 11 10.8 -1.9 | 168 4 -0.9 4.4 59 32 23470 230 11 8.4 7.1 | 166 14 -3.3 13.3 60 30 23774 190 10 1.7 9.8 | 148 19 -10.0 16.1 61 30 23830 150 4 -2.0 3.5 | 125 17 -13.7 9.7 62 29 24079 180 10 0.0 10.0 | 144 20 -11.7 16.3 63 28 24384 15 10 -2.6 -9.7 | 77 15 -14.3 -3.4 64 26 24689 355 12 1.0 -12.0 | 62 12 -10.7 -5.7 65 25 24994 345 10 2.6 -9.7 | 70 10 -9.1 -3.4 66 23 25603 0 0 -0.0 -0.0 | 118 13 -11.7 6.3 67 20 26460 310 3 2.3 -1.9 | 115 10 -9.4 4.3 68 16 27127 320 10 6.4 -7.7 | 75 5 -5.3 -1.4 69 15 27432 290 10 9.4 -3.4 | 141 4 -2.3 2.8 70 13 27737 345 10 2.6 -9.7 | 70 10 -9.1 -3.4 71 12 28042 290 15 14.1 -5.1 | 244 3 2.4 1.1 72 11 28346 265 15 14.9 1.3 | 203 8 3.2 7.6 73 10 28651 310 10 7.7 -6.4 | 88 4 -4.1 -0.2 74 9 28956 275 16 15.9 -1.4 | 221 6 4.2 4.9 75 8 29261 290 15 14.1 -5.1 | 244 3 2.4 1.1 76 8 29566 305 16 13.1 -9.2 | 335 3 1.4 -2.9 77 7 29870 295 15 13.6 -6.3 | 272 2 1.9 -0.1 Wind Parameters Mean winds (0-6000m): 268.1 at 17.7 knts Storm direction: 298.1 at 13.3 knts Shear (0-3000m) pos: 2.8 neg: 2.8 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 96.3 deg Storm rel helicity (0-3000m) pos: 59.9 neg: -56.0 tot: 4.0 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.92 Bulk Shear: 44.28 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 ------------------------------------------------------------------------------- 500 354 6 91 11| 8.4 0.0 8.4| 7.3 -43.5 -36.2 -72.4 -0.54| 20.1-10.8 1000 346 10 70 10| 4.2 2.5 6.7| 21.5 -53.7 -32.2 -32.2 -0.23| 16.6 -3.8 1500 336 9 76 8| 2.8 3.2 6.0| 28.9 -53.7 -24.7 -16.5 -0.08| 12.8 -1.1 2000 324 9 84 7| 2.1 4.2 6.3| 34.0 -56.0 -21.9 -11.0 -0.02| 12.0 -0.2 2500 308 8 101 5| 2.1 3.4 5.5| 46.4 -56.0 -9.5 -3.8 0.06| 10.5 0.6 3000 294 9 126 5| 2.8 2.8 5.6| 59.9 -56.0 4.0 1.3 0.15| 10.0 1.5 4000 280 12 178 4| 2.8 2.2 4.9| 89.8 -73.4 16.5 4.1 0.19| 9.8 1.8 5000 272 16 214 7| 2.2 2.8 5.0|106.2 -77.8 28.4 5.7 0.18| 9.4 1.7 6000 268 18 221 9| 1.4 2.4 3.8|114.6-113.4 1.2 0.2 0.11| 9.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20250415.12.gif