UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 1 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 120 SFC 958 474 17.4 15.0 86 2.4 15.8 200 12 294.1 296.2 290.7 326.3 11.26 2 925 787 14.8 13.9 94 0.9 14.3 190 21 294.4 296.4 290.5 325.5 10.85 3 906 963 13.2 13.2 100 0.0 13.2 188 23 294.5 296.4 290.2 324.9 10.58 4 850 1499 11.2 11.2 100 0.0 11.2 185 22 297.9 299.7 290.7 326.6 9.88 5 842 1578 10.8 10.8 100 0.0 10.8 189 17 298.3 300.0 290.7 326.6 9.71 6 807 1934 11.4 11.4 100 0.0 11.4 220 10 302.5 304.5 292.7 333.8 10.55 7 749 2557 10.2 8.0 86 2.2 8.9 257 20 307.8 309.5 293.1 335.2 9.03 8 700 3118 6.8 2.8 76 4.0 4.6 265 26 310.0 311.3 291.9 330.7 6.70 9 695 3177 6.4 2.6 77 3.8 4.3 265 27 310.2 311.5 291.9 330.8 6.66 10 681 3343 5.6 -0.4 65 6.0 2.5 266 30 311.1 312.2 291.2 328.2 5.46 11 658 3624 5.6 -10.4 31 16.0 -1.3 267 35 314.2 314.7 289.6 322.7 2.63 12 611 4225 1.6 -22.4 15 24.0 -6.1 270 47 316.3 316.5 288.7 319.9 1.04 13 500 5800 -11.5 -32.5 16 21.0 -15.9 270 51 319.0 319.1 289.0 320.8 0.50 14 495 5877 -12.1 -33.1 16 21.0 -16.4 270 52 319.2 319.3 289.0 320.9 0.48 15 479 6128 -13.5 -27.5 30 14.0 -16.9 270 54 320.5 320.7 289.8 323.4 0.83 16 424 7048 -18.7 -38.7 15 20.0 -22.0 280 58 325.2 325.3 290.7 326.4 0.32 17 411 7279 -20.5 -47.5 7 27.0 -23.8 283 59 325.8 325.8 290.6 326.3 0.13 18 400 7480 -21.9 -45.9 9 24.0 -24.8 285 60 326.5 326.6 290.9 327.1 0.16 19 325 8965 -34.3 -47.3 26 13.0 -35.4 271 73 329.4 329.4 291.7 330.0 0.16 20 301 9497 -36.5 -55.5 12 19.0 -37.6 275 85 333.6 333.6 292.7 333.9 0.07 21 300 9520 -36.5 -54.5 14 18.0 -37.6 275 86 333.9 333.9 292.9 334.2 0.08 22 250 10760 -45.5 -65.5 9 20.0 -46.1 275 93 338.4 338.4 294.0 338.5 0.02 23 234 11199 -48.5 -67.5 9 19.0 -49.0 275 97 340.3 340.3 294.4 340.4 0.02 24 233 11227 -48.7 -67.7 9 19.1 -49.1 275 97 340.5 340.5 294.4 340.6 0.02 25 200 12220 -54.3 -75.3 6 21.0 -54.6 290 86 346.8 346.8 295.9 346.8 0.01 26 186 12683 -55.9 -75.9 6 20.0 -56.2 295 86 351.5 351.5 297.0 351.5 0.01 27 180 12894 -51.5 -79.5 2 28.0 -52.0 298 86 362.0 362.0 299.1 362.0 0.00 28 173 13152 -50.3 -80.3 2 30.0 -50.8 296 85 368.1 368.1 300.2 368.1 0.00 29 150 14070 -56.3 -84.3 2 28.0 -56.6 280 70 373.1 373.1 301.1 373.1 0.00 30 140 14504 -58.9 -85.9 2 27.0 -59.2 284 67 375.9 375.9 301.6 376.0 0.00 31 100 16530 -75.3 -91.3 6 16.0 -75.3 275 49 382.2 382.2 302.6 382.2 0.00 32 96 16765 -77.5 -91.5 9 14.0 -77.5 280 51 382.4 382.4 302.6 382.4 0.00 33 78 17974 -71.3 -88.3 6 17.0 -71.4 226 19 418.7 418.7 307.6 418.7 0.00 34 72 18445 -73.7 -88.7 8 15.0 -73.7 206 12 423.3 423.3 308.1 423.3 0.00 35 70 18610 -72.3 -89.3 6 17.0 -72.4 190 2 429.7 429.7 308.8 429.7 0.00 36 59 19621 -69.7 -90.7 3 21.0 -69.8 292 17 457.1 457.1 311.5 457.1 0.00 37 57 19829 -65.7 -89.7 2 24.0 -66.0 293 15 470.7 470.7 312.7 470.7 0.00 38 53 20268 -67.7 -90.7 2 23.0 -67.9 199 12 476.0 476.0 313.1 476.0 0.00 39 51 20500 -67.3 -90.3 2 23.0 -67.5 134 9 482.2 482.2 313.6 482.2 0.00 40 50 20620 -63.5 -90.5 1 27.0 -63.8 140 4 493.8 493.8 314.5 493.9 0.00 41 49 20744 -63.1 -90.1 1 27.0 -63.5 2 0 497.7 497.7 314.8 497.7 0.00 42 39 22151 -62.1 -89.1 2 27.0 -62.7 126 8 533.8 533.8 317.2 533.8 0.00 43 30 23790 -57.3 -87.3 1 30.0 -58.5 45 6 588.4 588.4 320.0 588.5 0.01 44 20 26380 -52.5 -84.5 1 32.0 -55.3 40 7 675.5 675.5 323.6 675.6 0.02 45 16 27833 -49.1 -83.1 1 34.0 -53.5 51 10 731.1 731.1 325.4 731.3 0.02 TRP 96 16765 -77.5 -91.5 9 14.0 -77.5 280 51 382.4 382.4 302.6 382.4 0.00 WND 233 11227 -48.7 -67.7 9 19.1 -49.1 275 97 340.5 340.5 294.4 340.6 0.02 Sounding variables and indices 1000-500 mb thick: 5680.00 m Freezing level: 597.44 mb = 4417.07 m = 14491.52 ft Wetbulb zero: 665.85 mb = 3526.97 m = 11571.28 ft Precipitable water: 1.18 inches Sfc-500 mean rel hum: 57.74 % Est. max temperature: 25.58 C = 78.05 F Sfc-Lift cond lev (LCL): 924.54 mb = 791.19 m = 2595.73 ft T: 14.76 C 700-500 lapse rate: 6.82 C/km ThetaE index: 4.47 C Layer 700.0- 695.0 mb Conv cond level (CCL): 906.74 mb = 955.69 m = 3135.41 ft Mean mixing ratio: 10.61 g/kg Conv temperature: 17.80 C = 64.04 F Cap Strength: 5.64 C Lifted Index: 1.90 C Risk: Showers probable Lifted Index @300 mb: 6.61 C Lifted Index @700 mb: 4.08 C Showalter Index: 1.37 C Risk: Showers probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.70 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 378.92 Risk: Showers and thunderstorms possible Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.36 J/kg Max Up Vert Vel: 5.36 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.58 C Lift Cond Lev (LCL): 898.78 mb = 1029.84 m = 3378.71 ft Lev Free Conv (LFC): 893.78 mb = 1076.74 m = 3532.57 ft Equ Level (EL): 873.78 mb = 1267.00 m = 4156.77 ft B at Equ Level: 14.20 J/kg Max Parcel Lev (MPL): 813.78 mb = 1863.49 m = 6113.75 ft Wind level data Storm motion: 290 at 25 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 ---------------------------------------------------------- 0 958 474 200 12 4.1 11.3 | 136 27 -19.0 19.5 1 944 610 200 17 5.8 16.0 | 144 30 -17.3 24.2 2 925 787 190 21 3.6 20.7 | 146 35 -19.5 28.9 3 911 914 190 23 4.0 22.7 | 148 36 -19.1 30.9 4 879 1219 180 26 0.0 26.0 | 146 41 -23.1 34.2 5 850 1499 185 22 1.9 21.9 | 145 37 -21.2 30.2 6 847 1524 185 18 1.6 17.9 | 141 34 -21.5 26.2 7 817 1829 205 10 4.2 9.1 | 133 26 -18.9 17.3 8 788 2134 250 10 9.4 3.4 | 130 18 -13.7 11.7 9 759 2438 255 19 18.4 4.9 | 160 14 -4.7 13.2 10 700 3118 265 26 25.9 2.3 | 195 11 2.8 10.5 11 606 4267 270 48 48.0 -0.0 | 252 26 24.9 8.2 12 540 5182 270 36 36.0 -0.0 | 237 15 12.9 8.2 13 500 5800 270 51 51.0 -0.0 | 254 29 27.9 8.2 14 481 6096 270 54 54.0 -0.0 | 255 32 30.9 8.2 15 400 7480 285 60 58.0 -15.5 | 282 36 34.9 -7.3 16 392 7620 285 60 58.0 -15.5 | 282 36 34.9 -7.3 17 360 8230 280 64 63.0 -11.1 | 274 40 39.9 -2.9 18 330 8839 270 71 71.0 -0.0 | 260 49 47.9 8.2 19 300 9520 275 86 85.7 -7.5 | 269 63 62.6 0.7 20 250 10760 275 93 92.6 -8.1 | 270 70 69.5 0.1 21 233 11227 275 97 96.6 -8.5 | 270 74 73.5 -0.2 22 231 11278 275 97 96.6 -8.5 | 270 74 73.5 -0.2 23 200 12220 290 86 80.8 -29.4 | 290 61 57.7 -21.2 24 174 13106 300 86 74.5 -43.0 | 304 62 51.4 -34.8 25 166 13411 275 79 78.7 -6.9 | 269 56 55.6 1.4 26 150 14070 280 70 68.9 -12.2 | 275 46 45.8 -3.9 27 118 15545 295 58 52.6 -24.5 | 299 34 29.5 -16.3 28 100 16530 275 49 48.8 -4.3 | 261 26 25.7 4.0 29 96 16764 275 49 48.8 -4.3 | 261 26 25.7 4.0 30 96 16765 280 51 50.2 -8.9 | 271 27 27.1 -0.6 31 87 17374 280 54 53.2 -9.4 | 272 30 30.1 -1.1 32 82 17678 260 28 27.6 4.9 | 199 14 4.5 13.1 33 78 17983 225 19 13.4 13.4 | 156 24 -9.7 21.7 34 70 18593 200 10 3.4 9.4 | 132 26 -19.7 17.6 35 70 18610 190 2 0.3 2.0 | 114 25 -22.7 10.2 36 67 18898 200 10 3.4 9.4 | 132 26 -19.7 17.6 37 63 19202 330 13 6.5 -11.3 | 80 17 -16.6 -3.0 38 60 19507 290 18 16.9 -6.2 | 109 7 -6.2 2.1 39 57 19812 295 15 13.6 -6.3 | 101 10 -9.5 1.9 40 54 20117 270 13 13.0 -0.0 | 129 13 -10.1 8.2 41 52 20422 130 12 -9.2 7.7 | 116 36 -32.3 16.0 42 50 20620 140 4 -2.6 3.1 | 114 28 -25.7 11.3 43 49 20726 0 0 -0.0 -0.0 | 110 25 -23.1 8.2 44 37 22555 160 10 -3.4 9.4 | 124 32 -26.5 17.6 45 30 23774 55 13 -10.6 -7.5 | 91 34 -33.7 0.8 46 30 23790 45 6 -4.2 -4.2 | 98 28 -27.3 4.0 47 29 24079 40 14 -9.0 -10.7 | 86 32 -32.1 -2.5 48 26 24689 125 12 -9.8 6.9 | 115 36 -32.9 15.1 49 24 25298 45 10 -7.1 -7.1 | 92 30 -30.2 1.2 50 23 25603 335 10 4.2 -9.1 | 87 19 -18.9 -0.8 51 21 26213 115 10 -9.1 4.2 | 111 34 -32.2 12.5 52 20 26380 40 7 -4.5 -5.4 | 96 28 -27.6 2.9 53 19 26518 60 16 -13.9 -8.0 | 90 37 -37.0 0.2 54 16 27127 55 10 -8.2 -5.7 | 95 31 -31.3 2.5 55 15 27432 10 10 -1.7 -9.8 | 86 25 -24.8 -1.6 56 12 28042 160 6 -2.1 5.6 | 119 29 -25.1 13.9 Wind Parameters Mean winds (0-6000m): 259.6 at 32.7 knts Storm direction: 289.6 at 24.5 knts Shear (0-3000m) pos: 6.4 neg: 1.9 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 126.3 neg: -75.8 tot: 50.6 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 123.11 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 ------------------------------------------------------------------------------- 500 193 19 145 33| 0.0 12.5 12.5| 51.0 0.0 51.0 101.9 0.50| 13.1 6.6 1000 187 22 146 36| 0.0 5.8 5.8| 51.0 -20.3 30.7 30.7 0.22| 10.2 2.3 1500 189 19 144 34| 5.6 3.9 9.5| 52.2 -73.1 -21.0 -14.0 -0.05| 12.6 -0.6 2000 200 18 145 30| 6.3 2.9 9.2| 84.4 -75.8 8.6 4.3 0.11| 12.8 1.4 2500 214 18 152 27| 6.1 2.3 8.4|101.9 -75.8 26.2 10.5 0.20| 11.4 2.3 3000 228 20 159 23| 6.4 1.9 8.3|126.3 -75.8 50.6 16.9 0.29| 11.0 3.2 4000 247 26 182 18| 6.3 1.4 7.7|173.6 -81.5 92.1 23.0 0.33| 10.6 3.5 5000 255 29 196 16| 5.0 1.2 6.3|188.8-101.5 87.3 17.5 0.27| 10.1 2.7 6000 260 33 213 17| 4.6 1.0 5.6|248.4-101.5 146.9 24.5 0.30| 9.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251201.12.gif