UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 10 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 80 SFC 954 474 22.8 10.8 47 12.0 15.3 220 4 300.0 301.5 290.3 325.1 8.55 2 945 562 21.2 8.2 43 13.0 13.5 165 4 299.2 300.5 288.9 320.5 7.23 3 925 759 21.0 6.0 38 15.0 12.3 115 2 300.8 301.9 288.6 319.7 6.34 4 868 1307 19.6 5.6 40 14.0 11.4 181 7 304.8 306.1 290.2 324.8 6.58 5 850 1487 18.0 4.0 39 14.0 10.0 220 10 305.0 306.1 289.8 323.2 6.00 6 766 2368 13.2 -11.8 16 25.0 2.7 200 17 309.0 309.4 287.3 315.5 2.02 7 707 3035 7.8 -3.2 46 11.0 2.4 200 24 310.2 311.0 289.9 323.6 4.27 8 700 3117 7.4 -3.6 46 11.0 2.0 200 25 310.7 311.5 289.9 323.8 4.19 9 586 4553 -2.9 -10.9 54 8.0 -6.1 236 28 314.9 315.4 290.0 324.1 2.84 10 533 5296 -8.3 -18.3 44 10.0 -11.5 249 37 317.1 317.4 289.6 322.8 1.70 11 522 5458 -9.1 -26.1 24 17.0 -13.5 248 36 318.0 318.2 289.0 321.0 0.87 12 500 5790 -11.3 -24.3 33 13.0 -14.8 245 34 319.3 319.5 289.6 323.0 1.07 13 491 5929 -12.3 -22.3 43 10.0 -15.1 245 34 319.7 320.0 290.0 324.2 1.30 14 458 6460 -14.9 -46.9 5 32.0 -19.4 236 36 322.9 322.9 289.8 323.3 0.12 15 400 7470 -23.3 -47.3 9 24.0 -26.0 235 39 324.7 324.7 290.3 325.2 0.13 16 343 8574 -32.1 -50.1 15 18.0 -33.5 245 46 327.4 327.4 291.1 327.8 0.11 17 322 9017 -34.1 -56.1 9 22.0 -35.5 243 65 330.6 330.6 291.9 330.8 0.06 18 300 9510 -36.1 -60.1 7 24.0 -37.4 240 86 334.5 334.5 293.0 334.7 0.04 19 281 9960 -38.5 -59.5 9 21.0 -39.5 248 103 337.4 337.4 293.7 337.5 0.04 20 258 10539 -42.9 -61.9 11 19.0 -43.6 253 113 339.2 339.2 294.1 339.4 0.04 21 250 10750 -44.9 -58.9 19 14.0 -45.4 255 115 339.3 339.3 294.2 339.5 0.05 22 222 11531 -51.7 -59.7 38 8.0 -52.0 252 120 340.6 340.6 294.5 340.8 0.06 23 211 11859 -54.1 -63.1 32 9.0 -54.4 250 122 341.8 341.8 294.8 341.9 0.04 24 200 12200 -56.7 -66.7 27 10.0 -56.9 245 120 343.0 343.0 295.1 343.1 0.02 25 195 12360 -57.9 -67.9 27 10.0 -58.0 245 119 343.6 343.6 295.2 343.6 0.02 26 178 12933 -60.1 -76.1 11 16.0 -60.3 245 104 349.0 349.0 296.4 349.1 0.01 27 177 12969 -59.5 -77.5 8 18.0 -59.7 245 103 350.6 350.6 296.8 350.6 0.01 28 150 14000 -61.9 -82.9 4 21.0 -62.0 245 79 363.4 363.4 299.4 363.5 0.00 29 127 15021 -66.1 -86.1 4 20.0 -66.2 245 69 373.6 373.6 301.2 373.6 0.00 30 100 16470 -66.9 -86.9 4 20.0 -67.0 260 62 398.5 398.5 305.0 398.5 0.00 31 89 17177 -65.7 -87.7 3 22.0 -65.8 259 55 414.4 414.4 307.0 414.4 0.00 32 70 18610 -73.3 -89.3 7 16.0 -73.4 255 28 427.6 427.6 308.6 427.6 0.00 33 69 18694 -73.5 -89.5 7 16.0 -73.6 256 27 428.9 428.9 308.7 428.9 0.00 34 64 19140 -68.7 -89.7 3 21.0 -68.8 242 25 448.8 448.8 310.7 448.8 0.00 35 59 19625 -70.5 -90.5 4 20.0 -70.6 209 23 455.3 455.3 311.4 455.3 0.00 36 57 19831 -67.3 -89.3 3 22.0 -67.5 204 18 467.1 467.1 312.4 467.1 0.00 37 50 20620 -68.3 -90.3 3 22.0 -68.5 185 6 482.5 482.5 313.7 482.5 0.00 38 36 22606 -65.7 -90.7 2 25.0 -66.1 230 13 536.8 536.8 317.3 536.8 0.00 39 35 22776 -67.3 -91.3 2 24.0 -67.6 205 15 537.0 537.0 317.3 537.0 0.00 40 31 23524 -58.9 -87.9 1 29.0 -59.9 267 12 578.6 578.6 319.6 578.7 0.01 41 30 23730 -58.3 -87.3 1 29.0 -59.4 210 19 585.7 585.7 319.9 585.7 0.01 42 24 25149 -52.3 -84.3 1 32.0 -54.8 130 6 641.7 641.7 322.4 641.8 0.01 43 20 26330 -50.7 -83.7 1 33.0 -54.0 205 2 681.0 681.0 323.8 681.1 0.02 44 16 27795 -47.3 -82.3 1 35.0 -52.3 201 7 737.0 737.0 325.6 737.2 0.03 45 14 28676 -48.7 -82.7 1 34.0 -53.6 116 16 760.9 760.9 326.3 761.2 0.03 TRP 127 15021 -66.1 -86.1 4 20.0 -66.2 245 69 373.6 373.6 301.2 373.6 0.00 WND 211 11859 -54.1 -63.1 32 9.0 -54.4 250 122 341.8 341.8 294.8 341.9 0.04 Sounding variables and indices 1000-500 mb thick: 5710.00 m Freezing level: 618.10 mb = 4148.43 m = 13610.15 ft Wetbulb zero: 671.84 mb = 3448.63 m = 11314.26 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 40.04 % Est. max temperature: 29.90 C = 85.83 F Sfc-Lift cond lev (LCL): 799.02 mb = 2010.83 m = 6597.13 ft T: 15.15 C 700-500 lapse rate: 7.00 C/km ThetaE index: 9.21 C Layer 850.0- 707.0 mb Conv cond level (CCL): 628.08 mb = 3992.54 m = 13098.72 ft Mean mixing ratio: 6.63 g/kg Conv temperature: 35.95 C = 96.71 F Cap Strength: 6.82 C Lifted Index: 3.91 C Risk: None Lifted Index @300 mb: 9.35 C Lifted Index @700 mb: 6.09 C Showalter Index: 3.33 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 15.30 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 102.00 Risk: None Energy Index: 0.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.86 J/kg Max Up Vert Vel: 6.76 m/s Conv Inhibition (B-): 37935.92 J/kg Cap Strength: 6.82 C Lift Cond Lev (LCL): 731.20 mb = 2755.06 m = 9038.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 17 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 ---------------------------------------------------------- 0 954 474 220 4 2.6 3.1 | 84 14 -14.3 -1.5 1 940 610 135 4 -2.8 2.8 | 85 20 -19.7 -1.7 2 925 759 115 2 -1.8 0.8 | 79 19 -18.7 -3.7 3 908 914 95 2 -2.0 0.2 | 77 19 -18.9 -4.4 4 850 1487 220 10 6.4 7.7 | 107 11 -10.5 3.1 5 846 1524 220 10 6.4 7.7 | 107 11 -10.5 3.1 6 816 1829 195 18 4.7 17.4 | 136 18 -12.2 12.9 7 787 2134 200 21 7.2 19.7 | 147 18 -9.7 15.2 8 759 2438 200 15 5.1 14.1 | 129 15 -11.8 9.6 9 700 3117 200 25 8.6 23.5 | 156 21 -8.3 19.0 10 680 3353 200 27 9.2 25.4 | 160 22 -7.6 20.8 11 629 3962 200 25 8.6 23.5 | 156 21 -8.3 19.0 12 606 4267 230 25 19.2 16.1 | 191 12 2.3 11.5 13 540 5182 250 37 34.8 12.7 | 246 20 17.9 8.1 14 500 5790 245 34 30.8 14.4 | 235 17 13.9 9.8 15 480 6096 245 33 29.9 13.9 | 234 16 13.0 9.4 16 443 6706 230 38 29.1 24.4 | 212 23 12.2 19.9 17 400 7470 235 39 31.9 22.4 | 220 23 15.1 17.8 18 359 8230 240 44 38.1 22.0 | 231 27 21.2 17.5 19 344 8534 245 45 40.8 19.0 | 239 28 23.9 14.5 20 300 9510 240 86 74.5 43.0 | 236 69 57.6 38.5 21 277 10058 250 107 100.5 36.6 | 249 90 83.7 32.1 22 250 10750 255 115 111.1 29.8 | 255 98 94.2 25.2 23 242 10973 255 116 112.0 30.0 | 255 99 95.2 25.5 24 211 11859 250 122 114.6 41.7 | 249 105 97.8 37.2 25 200 12192 250 122 114.6 41.7 | 249 105 97.8 37.2 26 200 12200 245 120 108.8 50.7 | 243 103 91.9 46.2 27 191 12497 245 119 107.9 50.3 | 243 102 91.0 45.8 28 165 13411 245 88 79.8 37.2 | 243 71 62.9 32.7 29 150 14000 245 79 71.6 33.4 | 242 62 54.7 28.9 30 135 14630 240 74 64.1 37.0 | 235 57 47.2 32.5 31 127 15021 245 69 62.5 29.2 | 242 52 45.7 24.6 32 100 16459 250 59 55.4 20.2 | 248 42 38.6 15.6 33 100 16470 260 62 61.1 10.8 | 262 45 44.2 6.2 34 95 16764 260 62 61.1 10.8 | 262 45 44.2 6.2 35 70 18610 255 28 27.0 7.2 | 255 11 10.2 2.7 36 67 18898 260 25 24.6 4.3 | 271 8 7.7 -0.2 37 60 19507 215 26 14.9 21.3 | 173 17 -2.0 16.8 38 57 19812 200 18 6.2 16.9 | 139 16 -10.7 12.4 39 54 20117 250 14 13.2 4.8 | 94 4 -3.7 0.3 40 52 20422 255 16 15.5 4.1 | 75 1 -1.4 -0.4 41 50 20620 185 6 0.5 6.0 | 95 16 -16.4 1.4 42 49 20726 185 12 1.0 12.0 | 115 17 -15.8 7.4 43 47 21031 165 11 -2.8 10.6 | 107 21 -19.7 6.1 44 44 21336 80 10 -9.8 -1.7 | 77 27 -26.7 -6.3 45 42 21641 0 0 -0.0 -0.0 | 75 17 -16.9 -4.5 46 36 22555 240 13 11.3 6.5 | 109 6 -5.6 2.0 47 35 22860 195 15 3.9 14.5 | 127 16 -13.0 10.0 48 33 23165 240 10 8.7 5.0 | 93 8 -8.2 0.5 49 31 23470 285 10 9.7 -2.6 | 45 10 -7.2 -7.1 50 30 23730 210 19 9.5 16.5 | 148 14 -7.4 11.9 51 30 23774 275 17 16.9 -1.5 | 359 6 0.1 -6.0 52 28 24079 235 19 15.6 10.9 | 168 7 -1.3 6.4 53 27 24384 165 10 -2.6 9.7 | 105 20 -19.5 5.1 54 26 24689 220 1 0.6 0.8 | 77 17 -16.2 -3.8 55 22 25603 45 10 -7.1 -7.1 | 64 27 -24.0 -11.6 56 21 25908 10 10 -1.7 -9.8 | 52 24 -18.6 -14.4 57 20 26213 345 12 3.1 -11.6 | 41 21 -13.8 -16.1 58 20 26330 205 2 0.8 1.8 | 80 16 -16.0 -2.7 59 17 26822 270 1 1.0 -0.0 | 74 17 -15.9 -4.5 60 15 27432 130 14 -10.7 9.0 | 99 28 -27.6 4.5 61 13 27737 105 17 -16.4 4.4 | 90 33 -33.3 -0.1 62 12 28042 130 15 -11.5 9.6 | 100 29 -28.4 5.1 63 11 28346 135 19 -13.4 13.4 | 106 32 -30.3 8.9 64 10 28651 70 11 -10.3 -3.8 | 73 28 -27.2 -8.3 65 10 28956 70 10 -9.4 -3.4 | 73 27 -26.3 -8.0 Wind Parameters Mean winds (0-6000m): 225.0 at 23.3 knts Storm direction: 255.0 at 17.5 knts Shear (0-3000m) pos: 1.5 neg: 3.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 75.0 deg Storm rel helicity (0-3000m) pos: 128.3 neg: -35.7 tot: 92.6 m^2/s^2 ave: 30.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.31 Bulk Shear: 73.32 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 ------------------------------------------------------------------------------- 500 134 3 82 19| 0.0 5.9 5.9| 7.4 -16.7 -9.3 -18.7 -0.19| 9.1 -1.8 1000 189 5 90 16| 5.7 2.9 8.6| 49.4 -16.7 32.7 32.7 0.30| 11.7 3.6 1500 199 8 103 15| 3.8 3.5 7.3| 79.6 -16.7 62.9 41.9 0.44| 11.7 5.2 2000 199 11 113 14| 2.2 2.6 4.8| 85.1 -34.4 50.7 25.3 0.30| 10.4 3.2 2500 200 13 120 15| 1.8 3.2 5.0|113.0 -34.4 78.6 31.4 0.39| 9.8 3.8 3000 200 15 128 15| 1.5 3.3 4.7|128.3 -35.7 92.6 30.9 0.40| 9.0 3.6 4000 204 18 140 15| 2.9 2.4 5.3|178.1 -40.7 137.5 34.4 0.47| 9.0 4.2 5000 218 21 161 13| 3.4 2.0 5.4|222.9 -48.4 174.5 34.9 0.50| 8.7 4.3 6000 225 23 178 12| 2.8 2.2 5.1|222.9 -80.2 142.7 23.8 0.37| 8.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251210.12.gif