UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for SACO... Searching the city database file for: SACO ... Date:1200Z 23 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 79 SFC 954 474 24.8 15.8 57 9.0 18.7 290 10 302.0 304.2 293.6 337.2 11.91 2 925 765 23.6 13.6 53 10.0 17.0 270 15 303.4 305.4 293.1 335.1 10.64 3 873 1268 20.6 9.6 49 11.0 13.7 201 10 305.4 307.0 292.1 331.3 8.62 4 850 1498 18.6 8.6 52 10.0 12.4 165 8 305.6 307.2 291.9 330.6 8.27 5 750 2555 9.4 4.4 71 5.0 6.6 226 15 306.8 308.1 291.2 328.1 7.01 6 700 3124 5.6 -3.4 52 9.0 1.3 240 18 308.7 309.5 289.3 321.9 4.25 7 688 3266 5.2 -4.8 48 10.0 0.5 252 20 309.8 310.5 289.3 322.0 3.89 8 674 3434 4.8 -9.2 35 14.0 -1.2 262 21 311.2 311.7 288.8 320.2 2.82 9 635 3917 0.8 -5.2 64 6.0 -2.0 278 24 311.9 312.7 290.2 324.9 4.09 10 587 4544 -4.1 -15.1 42 11.0 -8.0 249 23 313.3 313.7 288.7 319.9 2.01 11 540 5200 -6.9 -21.9 29 15.0 -11.4 269 21 317.6 317.8 289.3 321.7 1.23 12 535 5273 -6.1 -28.1 16 22.0 -11.8 263 22 319.4 319.5 289.3 321.9 0.71 13 526 5405 -7.3 -17.3 45 10.0 -10.7 252 25 319.5 319.8 290.5 325.8 1.87 14 520 5495 -7.1 -29.1 15 22.0 -12.6 245 26 320.8 320.9 289.7 323.1 0.66 15 512 5616 -8.1 -21.1 34 13.0 -12.1 249 26 321.0 321.3 290.5 325.7 1.39 16 500 5800 -9.1 -28.1 20 19.0 -13.9 255 27 321.9 322.1 290.2 324.6 0.76 17 456 6503 -13.3 -37.3 11 24.0 -17.8 244 32 325.3 325.3 290.7 326.6 0.34 18 400 7480 -21.3 -53.3 4 32.0 -24.6 270 36 327.3 327.3 291.0 327.6 0.07 19 396 7554 -21.9 -53.9 4 32.0 -25.1 272 35 327.5 327.5 291.0 327.7 0.06 20 358 8292 -24.9 -60.9 2 36.0 -27.8 296 30 333.0 333.0 292.6 333.1 0.03 21 328 8920 -30.7 -61.7 3 31.0 -32.6 307 33 333.5 333.5 292.7 333.6 0.03 22 310 9319 -32.5 -64.5 3 32.0 -34.3 309 46 336.4 336.4 293.4 336.5 0.02 23 300 9550 -32.9 -65.9 2 33.0 -34.6 300 51 339.0 339.0 294.1 339.1 0.02 24 298 9597 -33.1 -66.1 2 33.0 -34.8 301 51 339.4 339.4 294.2 339.4 0.02 25 278 10087 -31.5 -68.5 1 37.0 -33.6 295 68 348.5 348.5 296.3 348.5 0.01 26 250 10830 -36.7 -67.7 3 31.0 -38.2 305 104 351.5 351.5 297.0 351.6 0.02 27 211 11978 -47.4 -65.2 11 17.9 -47.9 305 111 352.3 352.3 297.1 352.4 0.03 28 206 12136 -48.9 -64.9 14 16.0 -49.4 305 111 352.3 352.4 297.2 352.5 0.03 29 200 12330 -50.3 -67.3 12 17.0 -50.7 310 108 353.1 353.1 297.3 353.2 0.02 30 188 12732 -52.3 -77.3 3 25.0 -52.7 314 104 356.2 356.2 298.0 356.2 0.01 31 150 14150 -65.3 -80.3 11 15.0 -65.4 310 93 357.6 357.6 298.2 357.6 0.00 32 125 15247 -70.1 -84.1 11 14.0 -70.2 295 82 368.0 368.0 300.2 368.0 0.00 33 122 15392 -68.1 -85.1 7 17.0 -68.2 300 71 374.2 374.2 301.3 374.3 0.00 34 100 16570 -73.9 -89.9 7 16.0 -73.9 310 48 384.9 384.9 303.1 384.9 0.00 35 89 17252 -72.9 -89.9 6 17.0 -72.9 306 41 400.0 400.0 305.2 400.0 0.00 36 78 18018 -76.7 -89.7 11 13.0 -76.7 340 24 407.5 407.5 306.2 407.5 0.00 37 72 18484 -72.1 -89.1 6 17.0 -72.2 334 28 426.7 426.7 308.4 426.7 0.00 38 70 18650 -72.7 -89.7 6 17.0 -72.8 290 21 428.9 428.9 308.7 428.9 0.00 39 65 19084 -74.1 -90.1 7 16.0 -74.2 274 20 435.0 435.0 309.4 435.0 0.00 40 61 19457 -71.9 -90.9 4 19.0 -72.0 257 17 447.8 447.8 310.7 447.9 0.00 41 59 19656 -68.7 -90.7 3 22.0 -68.9 265 16 459.3 459.3 311.7 459.3 0.00 42 55 20076 -69.5 -90.5 3 21.0 -69.6 13 11 466.8 466.8 312.4 466.8 0.00 43 50 20650 -66.1 -91.1 2 25.0 -66.4 15 22 487.7 487.7 314.1 487.7 0.00 44 42 21719 -61.3 -89.3 1 28.0 -61.9 61 14 524.5 524.5 316.6 524.6 0.00 45 38 22338 -62.3 -89.3 2 27.0 -62.9 111 20 537.2 537.2 317.3 537.2 0.00 46 32 23412 -57.3 -88.3 1 31.0 -58.5 41 21 577.7 577.7 319.6 577.7 0.00 47 30 23820 -57.1 -88.1 1 31.0 -58.4 60 24 589.0 589.0 320.1 589.0 0.01 48 27 24485 -57.9 -87.9 1 30.0 -59.2 62 19 604.7 604.7 320.8 604.8 0.01 49 26 24724 -55.1 -87.1 1 32.0 -56.9 70 12 619.3 619.3 321.5 619.3 0.01 50 20 26410 -51.9 -85.9 1 34.0 -54.9 85 20 677.3 677.3 323.7 677.4 0.01 51 19 26743 -50.5 -85.5 1 35.0 -53.9 80 21 691.7 691.7 324.1 691.8 0.01 52 17 27467 -51.7 -85.7 1 34.0 -55.1 104 21 710.2 710.2 324.7 710.3 0.01 53 14 28746 -44.9 -82.9 1 38.0 -51.4 77 32 773.8 773.8 326.6 774.0 0.03 TRP 100 16570 -73.9 -89.9 7 16.0 -73.9 310 48 384.9 384.9 303.1 384.9 0.00 WND 211 11978 -47.4 -65.2 11 17.9 -47.9 305 111 352.3 352.3 297.1 352.4 0.03 Sounding variables and indices 1000-500 mb thick: 5721.00 m Freezing level: 627.16 mb = 4019.14 m = 13186.00 ft Wetbulb zero: 683.98 mb = 3313.49 m = 10870.88 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 49.41 % Est. max temperature: 28.93 C = 84.08 F Sfc-Lift cond lev (LCL): 836.09 mb = 1637.33 m = 5371.76 ft T: 17.39 C 700-500 lapse rate: 5.49 C/km ThetaE index: 15.24 C Layer 925.0- 688.0 mb Conv cond level (CCL): 748.24 mb = 2574.17 m = 8445.32 ft Mean mixing ratio: 9.86 g/kg Conv temperature: 29.59 C = 85.27 F Cap Strength: 2.17 C Lifted Index: 0.43 C Risk: Showers probable Lifted Index @300 mb: 5.11 C Lifted Index @700 mb: 0.01 C Showalter Index: 1.84 C Risk: Showers probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 17.70 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 146.20 Risk: None Energy Index: -1.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.71 J/kg Max Up Vert Vel: 13.17 m/s Conv Inhibition (B-): 93.91 J/kg Cap Strength: 2.17 C Lift Cond Lev (LCL): 777.21 mb = 2253.86 m = 7394.45 ft Lev Free Conv (LFC): 652.21 mb = 3699.93 m = 12138.74 ft Equ Level (EL): 522.21 mb = 5461.69 m = 17918.71 ft B at Equ Level: 85.15 J/kg Max Parcel Lev (MPL): 352.21 mb = 8408.52 m = 27586.67 ft Wind level data Storm motion: 280 at 14 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 ---------------------------------------------------------- 0 954 474 290 10 9.4 -3.4 | 80 5 -4.7 -0.9 1 940 610 280 17 16.7 -3.0 | 278 3 2.6 -0.4 2 925 765 270 15 15.0 -0.0 | 199 3 0.9 2.6 3 909 914 255 13 12.6 3.4 | 165 6 -1.5 5.9 4 850 1498 165 8 -2.1 7.7 | 122 19 -16.2 10.3 5 817 1829 180 6 0.0 6.0 | 121 17 -14.1 8.6 6 788 2134 200 8 2.7 7.5 | 132 15 -11.4 10.1 7 760 2438 225 14 9.9 9.9 | 161 13 -4.2 12.5 8 706 3048 230 20 15.3 12.9 | 185 15 1.2 15.4 9 700 3124 240 18 15.6 9.0 | 187 12 1.5 11.6 10 680 3353 260 21 20.7 3.6 | 227 9 6.6 6.2 11 630 3962 280 24 23.6 -4.2 | 280 10 9.5 -1.6 12 606 4267 270 26 26.0 -0.0 | 258 12 11.9 2.6 13 583 4572 245 23 20.8 9.7 | 209 14 6.7 12.3 14 540 5182 270 21 21.0 -0.0 | 250 7 6.9 2.6 15 520 5486 245 26 23.6 11.0 | 215 17 9.5 13.6 16 501 5791 255 27 26.1 7.0 | 231 15 12.0 9.6 17 500 5800 255 27 26.1 7.0 | 231 15 12.0 9.6 18 481 6096 245 26 23.6 11.0 | 215 17 9.5 13.6 19 462 6401 240 31 26.8 15.5 | 215 22 12.7 18.1 20 426 7010 265 39 38.9 3.4 | 256 25 24.7 6.0 21 400 7480 270 36 36.0 -0.0 | 263 22 21.9 2.6 22 360 8230 295 30 27.2 -12.7 | 308 17 13.1 -10.1 23 331 8839 305 30 24.6 -17.2 | 324 18 10.5 -14.6 24 317 9144 315 42 29.7 -29.7 | 330 31 15.6 -27.1 25 300 9550 300 51 44.2 -25.5 | 307 38 30.1 -22.9 26 291 9754 305 49 40.1 -28.1 | 314 36 26.0 -25.5 27 279 10058 295 66 59.8 -27.9 | 299 52 45.7 -25.3 28 256 10668 305 105 86.0 -60.2 | 309 92 71.9 -57.7 29 250 10830 305 104 85.2 -59.7 | 309 91 71.1 -57.1 30 211 11978 305 111 90.9 -63.7 | 308 98 76.8 -61.1 31 204 12192 305 111 90.9 -63.7 | 308 98 76.8 -61.1 32 200 12330 310 108 82.7 -69.4 | 314 96 68.6 -66.9 33 186 12802 315 103 72.8 -72.8 | 320 92 58.7 -70.3 34 161 13716 305 103 84.4 -59.1 | 309 90 70.3 -56.5 35 150 14150 310 93 71.2 -59.8 | 315 81 57.1 -57.2 36 125 15240 295 82 74.3 -34.7 | 298 68 60.2 -32.1 37 119 15545 305 58 47.5 -33.3 | 313 45 33.4 -30.7 38 107 16154 320 61 39.2 -46.7 | 330 51 25.1 -44.2 39 100 16570 310 48 36.8 -30.9 | 321 36 22.7 -28.3 40 97 16764 310 48 36.8 -30.9 | 321 36 22.7 -28.3 41 87 17374 305 39 31.9 -22.4 | 318 27 17.8 -19.8 42 83 17678 280 26 25.6 -4.5 | 280 12 11.5 -1.9 43 78 17983 340 23 7.9 -21.6 | 18 20 -6.2 -19.0 44 74 18288 340 30 10.3 -28.2 | 9 26 -3.8 -25.6 45 71 18593 330 27 13.5 -23.4 | 2 21 -0.6 -20.8 46 70 18650 290 21 19.7 -7.2 | 309 7 5.6 -4.6 47 64 19202 270 20 20.0 -0.0 | 246 6 5.9 2.6 48 61 19507 255 17 16.4 4.4 | 198 7 2.3 7.0 49 58 19812 275 15 14.9 -1.3 | 214 2 0.8 1.3 50 55 20117 25 10 -4.2 -9.1 | 70 19 -18.3 -6.5 51 52 20422 40 20 -12.9 -15.3 | 65 30 -27.0 -12.8 52 50 20650 15 22 -5.7 -21.3 | 47 27 -19.8 -18.7 53 49 20726 25 27 -11.4 -24.5 | 49 34 -25.5 -21.9 54 47 21031 15 23 -6.0 -22.2 | 46 28 -20.1 -19.6 55 45 21336 40 10 -6.4 -7.7 | 76 21 -20.5 -5.1 56 43 21641 60 13 -11.3 -6.5 | 81 26 -25.4 -3.9 57 41 21946 65 16 -14.5 -6.8 | 82 29 -28.6 -4.2 58 39 22250 130 18 -13.8 11.6 | 117 31 -27.9 14.1 59 37 22555 75 23 -22.2 -6.0 | 85 36 -36.3 -3.4 60 35 22860 70 27 -25.4 -9.2 | 80 40 -39.5 -6.7 61 33 23165 45 21 -14.8 -14.8 | 67 31 -29.0 -12.3 62 30 23774 35 21 -12.0 -17.2 | 61 30 -26.1 -14.6 63 30 23820 60 24 -20.8 -12.0 | 75 36 -34.9 -9.4 64 29 24079 65 18 -16.3 -7.6 | 81 31 -30.4 -5.0 65 27 24384 60 24 -20.8 -12.0 | 75 36 -34.9 -9.4 66 26 24689 65 10 -9.1 -4.2 | 86 23 -23.2 -1.7 67 25 24994 100 25 -24.6 4.3 | 100 39 -38.7 6.9 68 23 25603 90 26 -26.0 0.0 | 94 40 -40.1 2.6 69 22 25908 70 26 -24.4 -8.9 | 81 39 -38.5 -6.3 70 21 26213 105 22 -21.3 5.7 | 103 36 -35.4 8.3 71 20 26410 85 20 -19.9 -1.7 | 91 34 -34.0 0.8 72 19 26518 75 23 -22.2 -6.0 | 85 36 -36.3 -3.4 73 18 26822 95 17 -16.9 1.5 | 97 31 -31.0 4.0 74 16 27127 110 23 -21.6 7.9 | 106 37 -35.7 10.4 75 15 27432 110 26 -24.4 8.9 | 107 40 -38.5 11.5 76 14 27737 75 32 -30.9 -8.3 | 83 45 -45.0 -5.7 77 13 28042 90 33 -33.0 0.0 | 93 47 -47.1 2.6 78 12 28346 70 32 -30.1 -10.9 | 79 45 -44.2 -8.4 79 11 28651 90 30 -30.0 0.0 | 93 44 -44.1 2.6 80 10 28956 75 39 -37.7 -10.1 | 82 52 -51.8 -7.5 Wind Parameters Mean winds (0-6000m): 250.3 at 19.1 knts Storm direction: 280.3 at 14.3 knts Shear (0-3000m) pos: 4.1 neg: 2.7 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 157.0 deg Storm rel helicity (0-3000m) pos: 86.2 neg: -46.2 tot: 40.0 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 0.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 11.27 Bulk Shear: 7.69 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 ------------------------------------------------------------------------------- 500 271 14 185 2| 0.0 9.0 9.0| 0.0 -6.6 -6.6 -13.2 -0.74| 18.5-13.8 1000 253 12 159 7| 0.0 8.2 8.2| 0.0 -42.6 -42.6 -42.6 -0.69| 16.7-11.6 1500 235 10 147 10| 1.0 5.5 6.5| 5.3 -46.2 -40.9 -27.3 -0.60| 12.5 -7.6 2000 228 10 146 12| 3.1 4.1 7.2| 40.8 -46.2 -5.4 -2.7 -0.28| 11.9 -3.3 2500 228 12 152 12| 3.5 3.3 6.7| 58.3 -46.2 12.1 4.8 -0.16| 10.5 -1.7 3000 234 13 161 11| 4.1 2.7 6.8| 86.2 -46.2 40.0 13.3 0.03| 10.9 0.3 4000 250 16 186 8| 3.6 3.3 6.9|101.8 -82.2 19.6 4.9 -0.04| 10.6 -0.4 5000 252 17 196 8| 2.9 3.2 6.2|121.2-113.2 8.1 1.6 -0.05| 11.0 -0.6 6000 250 19 203 10| 2.6 3.0 5.6|148.9-131.2 17.7 3.0 -0.03| 10.5 -0.3 Wrote GIF file: /home/apache/climate/data/raob//SACO/skewt/SACO.skewt.20251223.12.gif