UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:0000Z 28 DEC 25 Station: SBSM WMO ident: 83937 Latitude: -29.71 Longitude: -53.69 Elevation: 85.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1001 85 25.0 22.9 88 2.1 23.5 10 4 298.1 301.3 296.6 349.9 17.83 1 1000 96 25.0 22.9 88 2.1 23.5 340 3 298.1 301.4 296.7 350.1 17.85 2 989 194 25.8 22.1 80 3.7 23.1 314 3 299.9 303.0 296.7 350.2 17.17 3 925 782 23.6 18.6 74 5.0 20.1 240 15 303.4 306.2 296.0 347.2 14.74 4 854 1479 21.0 12.0 56 9.0 15.1 267 27 307.7 309.7 294.1 339.1 10.37 5 850 1520 20.8 12.8 60 8.0 15.5 270 28 307.9 310.0 294.6 341.2 10.99 6 814 1893 19.2 11.2 60 8.0 14.0 270 25 310.1 312.0 294.7 341.6 10.32 7 700 3170 10.0 5.3 73 4.7 7.2 255 19 313.6 315.1 294.0 338.5 8.01 8 575 4774 -1.1 -1.1 100 0.0 -1.1 269 24 318.7 319.9 293.9 338.4 6.15 9 554 5070 -2.5 -2.5 100 0.0 -2.5 266 26 320.5 321.6 294.1 339.0 5.76 10 500 5880 -6.1 -7.3 91 1.2 -6.7 280 33 325.6 326.5 294.4 340.3 4.43 11 496 5943 -5.1 -11.1 63 6.0 -7.7 280 33 327.6 328.2 294.0 338.8 3.30 12 487 6087 -5.7 -12.7 58 7.0 -8.6 280 33 328.6 329.1 294.0 338.6 2.96 13 464 6464 -8.5 -15.5 57 7.0 -11.2 290 30 329.6 330.1 293.9 338.2 2.47 14 460 6531 -8.5 -24.5 26 16.0 -13.3 289 30 330.5 330.7 292.9 334.6 1.14 15 415 7321 -14.1 -14.2 99 0.1 -14.2 293 42 333.1 333.8 295.2 343.8 3.07 16 404 7525 -14.7 -19.7 66 5.0 -16.3 298 46 334.9 335.3 294.8 342.0 1.99 17 400 7600 -15.1 -17.4 83 2.3 -15.9 300 48 335.4 335.9 295.3 344.0 2.44 18 394 7714 -16.1 -17.1 92 1.0 -16.4 303 48 335.5 336.0 295.4 344.5 2.54 19 372 8145 -19.3 -19.3 100 0.0 -19.3 307 49 336.8 337.3 295.4 344.8 2.23 20 351 8577 -20.5 -25.5 64 5.0 -21.8 306 50 340.8 341.1 295.7 345.9 1.37 21 340 8812 -22.5 -33.5 36 11.0 -24.7 307 51 341.2 341.4 295.2 343.8 0.67 22 329 9053 -24.5 -30.5 57 6.0 -25.8 308 52 341.7 341.9 295.6 345.2 0.92 23 319 9277 -25.9 -38.9 28 13.0 -27.9 308 52 342.8 342.9 295.4 344.4 0.41 24 306 9578 -27.9 -38.9 34 11.0 -29.6 310 54 344.1 344.2 295.7 345.8 0.43 25 301 9696 -28.9 -33.5 64 4.6 -29.7 310 54 344.3 344.5 296.0 347.2 0.75 26 300 9720 -28.9 -33.4 65 4.5 -29.7 310 54 344.6 344.8 296.1 347.6 0.76 27 274 10363 -33.9 -37.3 71 3.4 -34.4 315 55 346.5 346.6 296.3 348.7 0.57 28 269 10492 -34.7 -39.1 64 4.4 -35.3 314 54 347.1 347.2 296.4 349.0 0.48 29 250 11000 -38.9 -43.2 64 4.3 -39.3 310 48 348.2 348.3 296.5 349.6 0.34 30 200 12490 -51.7 -55.5 64 3.8 -51.8 305 41 350.9 350.9 296.9 351.3 0.10 31 169 13558 -60.9 -64.6 61 3.7 -61.0 303 46 352.9 352.9 297.3 353.1 0.04 32 150 14290 -65.5 -71.5 43 6.0 -65.5 300 51 357.2 357.3 298.2 357.3 0.02 33 138 14793 -68.7 -75.7 36 7.0 -68.8 300 41 360.2 360.2 298.8 360.3 0.01 34 126 15332 -73.1 -78.1 46 5.0 -73.1 303 29 361.8 361.8 299.1 361.8 0.01 35 121 15569 -74.3 -82.3 28 8.0 -74.3 310 29 363.8 363.8 299.4 363.8 0.00 36 111 16073 -72.9 -84.9 15 12.0 -72.9 289 33 375.5 375.5 301.5 375.5 0.00 37 100 16680 -76.5 -87.5 16 11.0 -76.5 270 16 379.9 379.9 302.2 379.9 0.00 38 99 16738 -76.5 -88.5 13 12.0 -76.5 270 16 381.0 381.0 302.4 381.0 0.00 39 88 17419 -74.5 -88.5 10 14.0 -74.6 259 27 398.1 398.1 304.9 398.1 0.00 40 72 18570 -79.9 -89.9 17 10.0 -79.9 293 14 410.1 410.1 306.5 410.1 0.00 41 70 18730 -78.7 -88.7 18 10.0 -78.7 305 7 416.0 416.0 307.2 416.0 0.00 42 57 19900 -78.5 -90.5 12 12.0 -78.6 214 15 441.6 441.6 310.0 441.7 0.00 43 51 20559 -63.5 -90.5 1 27.0 -63.8 224 12 491.1 491.1 314.3 491.1 0.00 44 50 20680 -64.9 -88.9 2 24.0 -65.2 180 21 490.5 490.5 314.2 490.6 0.00 45 42 21745 -65.9 -89.9 2 24.0 -66.2 132 12 513.2 513.2 315.8 513.2 0.00 46 37 22518 -65.1 -90.1 2 25.0 -65.5 100 14 534.1 534.1 317.2 534.2 0.00 47 30 23830 -55.1 -86.1 1 31.0 -56.7 125 27 594.4 594.4 320.3 594.5 0.01 48 29 24047 -54.5 -85.5 1 31.0 -56.2 129 24 601.9 601.9 320.7 601.9 0.01 49 26 24746 -54.1 -85.1 1 31.0 -56.1 122 21 622.1 622.1 321.6 622.2 0.01 50 23 25527 -56.7 -86.7 1 30.0 -58.3 90 21 636.7 636.7 322.2 636.7 0.01 51 22 25811 -51.9 -84.9 1 33.0 -54.6 79 16 659.1 659.1 323.0 659.2 0.01 52 20 26430 -50.7 -83.7 1 33.0 -54.0 100 13 681.0 681.0 323.8 681.1 0.02 53 17 27491 -49.7 -83.7 1 34.0 -53.7 100 13 716.6 716.6 325.0 716.8 0.02 TRP 99 16738 -76.5 -88.5 13 12.0 -76.5 270 16 381.0 381.0 302.4 381.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 587.39 mb = 4615.02 m = 15140.96 ft Wetbulb zero: 591.54 mb = 4542.67 m = 14903.58 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 78.79 % Est. max temperature: 34.82 C = 94.68 F Sfc-Lift cond lev (LCL): 971.24 mb = 352.93 m = 1157.88 ft T: 25.20 C 700-500 lapse rate: 5.94 C/km ThetaE index: 11.03 C Layer 925.0- 850.0 mb Conv cond level (CCL): 783.94 mb = 2211.61 m = 7255.86 ft Mean mixing ratio: 15.64 g/kg Conv temperature: 37.91 C = 100.24 F Cap Strength: 3.52 C Lifted Index: -2.49 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.49 C Lifted Index @700 mb: -0.10 C Showalter Index: 0.21 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 18.90 C K Index: 35.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 242.60 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 377.87 J/kg Max Up Vert Vel: 27.49 m/s Conv Inhibition (B-): 190.15 J/kg Cap Strength: 3.53 C Lift Cond Lev (LCL): 890.37 mb = 1115.16 m = 3658.62 ft Lev Free Conv (LFC): 695.37 mb = 3224.16 m = 10577.83 ft Equ Level (EL): 345.37 mb = 8696.25 m = 28530.64 ft B at Equ Level: 374.26 J/kg Max Parcel Lev (MPL): 155.37 mb = 14074.22 m = 46174.70 ft Wind level data Storm motion: 293 at 16 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 1001 85 10 4 -0.7 -3.9 | 99 16 -15.8 2.4 1 1000 96 340 3 1.0 -2.8 | 104 14 -14.0 3.5 2 977 305 285 4 3.9 -1.0 | 115 12 -11.2 5.3 3 943 610 245 12 10.9 5.1 | 160 12 -4.2 11.4 4 925 782 240 15 13.0 7.5 | 172 14 -2.1 13.8 5 911 914 230 19 14.6 12.2 | 178 19 -0.5 18.5 6 850 1520 270 28 28.0 -0.0 | 244 14 12.9 6.3 7 850 1524 270 29 29.0 -0.0 | 246 15 13.9 6.3 8 791 2134 270 22 22.0 -0.0 | 228 9 6.9 6.3 9 763 2438 250 22 20.7 7.5 | 202 15 5.6 13.9 10 700 3170 255 19 18.4 4.9 | 196 12 3.3 11.2 11 684 3353 255 21 20.3 5.4 | 204 13 5.2 11.8 12 659 3658 240 23 19.9 11.5 | 195 18 4.9 17.8 13 634 3962 260 17 16.7 3.0 | 190 9 1.7 9.3 14 611 4267 260 18 17.7 3.1 | 196 10 2.7 9.5 15 588 4572 270 23 23.0 -0.0 | 231 10 7.9 6.3 16 545 5182 265 27 26.9 2.4 | 234 15 11.8 8.7 17 525 5486 280 28 27.6 -4.9 | 263 13 12.5 1.5 18 500 5880 280 33 32.5 -5.7 | 268 17 17.4 0.6 19 486 6096 280 33 32.5 -5.7 | 268 17 17.4 0.6 20 467 6401 290 29 27.3 -9.9 | 286 13 12.2 -3.6 21 432 7010 285 36 34.8 -9.3 | 279 20 19.7 -3.0 22 400 7600 300 48 41.6 -24.0 | 304 32 26.5 -17.7 23 383 7925 310 49 37.5 -31.5 | 318 34 22.5 -25.2 24 367 8230 305 49 40.1 -28.1 | 311 33 25.1 -21.8 25 300 9720 310 54 41.4 -34.7 | 317 39 26.3 -28.4 26 274 10363 315 55 38.9 -38.9 | 324 40 23.8 -32.6 27 250 11000 310 48 36.8 -30.9 | 318 33 21.7 -24.5 28 200 12490 305 41 33.6 -23.5 | 313 25 18.5 -17.2 29 190 12802 305 41 33.6 -23.5 | 313 25 18.5 -17.2 30 150 14290 300 51 44.2 -25.5 | 303 35 29.1 -19.2 31 149 14326 300 53 45.9 -26.5 | 303 37 30.8 -20.2 32 128 15240 300 29 25.1 -14.5 | 309 13 10.1 -8.2 33 121 15545 310 29 22.2 -18.6 | 330 14 7.2 -12.3 34 109 16154 285 34 32.8 -8.8 | 278 18 17.8 -2.5 35 100 16680 270 16 16.0 -0.0 | 188 6 0.9 6.3 36 99 16738 270 16 16.0 -0.0 | 188 6 0.9 6.3 37 99 16764 260 28 27.6 4.9 | 228 17 12.5 11.2 38 93 17069 265 20 19.9 1.7 | 211 9 4.9 8.1 39 84 17678 255 33 31.9 8.5 | 229 22 16.8 14.9 40 80 17983 250 37 34.8 12.7 | 226 27 19.7 19.0 41 70 18730 305 7 5.7 -4.0 | 104 10 -9.3 2.3 42 68 18898 250 15 14.1 5.1 | 175 12 -1.0 11.5 43 65 19202 305 11 9.0 -6.3 | 90 6 -6.0 0.0 44 61 19507 275 22 21.9 -1.9 | 237 8 6.9 4.4 45 55 20117 185 12 1.0 12.0 | 143 23 -14.0 18.3 46 52 20422 280 1 1.0 -0.2 | 114 15 -14.1 6.2 47 50 20680 180 21 0.0 21.0 | 151 31 -15.1 27.3 48 50 20726 205 11 4.6 10.0 | 147 19 -10.4 16.3 49 47 21031 185 22 1.9 21.9 | 155 31 -13.1 28.2 50 45 21336 140 12 -7.7 9.2 | 124 28 -22.8 15.5 51 43 21641 140 12 -7.7 9.2 | 124 28 -22.8 15.5 52 41 21946 120 12 -10.4 6.0 | 116 28 -25.4 12.3 53 39 22250 105 5 -4.8 1.3 | 111 21 -19.9 7.6 54 37 22555 100 15 -14.8 2.6 | 107 31 -29.8 8.9 55 33 23165 80 20 -19.7 -3.5 | 95 35 -34.8 2.9 56 32 23470 90 12 -12.0 0.0 | 103 28 -27.1 6.3 57 30 23774 150 29 -14.5 25.1 | 137 43 -29.6 31.4 58 30 23830 125 27 -22.1 15.5 | 120 43 -37.2 21.8 59 29 24079 130 23 -17.6 14.8 | 123 39 -32.7 21.1 60 28 24384 135 21 -14.8 14.8 | 125 37 -29.9 21.2 61 26 24689 120 20 -17.3 10.0 | 117 36 -32.4 16.3 62 25 24994 130 23 -17.6 14.8 | 123 39 -32.7 21.1 63 24 25298 100 24 -23.6 4.2 | 105 40 -38.7 10.5 64 22 25908 75 15 -14.5 -3.9 | 95 30 -29.5 2.4 65 21 26213 120 14 -12.1 7.0 | 116 30 -27.2 13.3 66 20 26430 100 13 -12.8 2.3 | 107 29 -27.9 8.6 67 20 26518 100 12 -11.8 2.1 | 107 28 -26.9 8.4 68 17 27127 100 13 -12.8 2.3 | 107 29 -27.9 8.6 69 15 27432 115 22 -19.9 9.3 | 114 38 -35.0 15.6 70 14 27737 110 23 -21.6 7.9 | 111 39 -36.7 14.2 Wind Parameters Mean winds (0-6000m): 262.8 at 21.8 knts Storm direction: 292.8 at 16.3 knts Shear (0-3000m) pos: 2.5 neg: 4.1 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 98.6 deg Storm rel helicity (0-3000m) pos: 131.7 neg: -31.5 tot: 100.2 m^2/s^2 ave: 33.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 4.3 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 11.18 Bulk Shear: 33.81 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 ------------------------------------------------------------------------------- 500 270 6 125 11| 0.0 14.3 14.3| 35.9 0.0 35.9 71.9 0.82| 14.7 12.1 1000 245 11 156 12| 0.0 12.5 12.5| 75.5 0.0 75.5 75.5 0.79| 14.0 11.0 1500 254 16 181 11| 4.8 8.3 13.1|131.7 0.0 131.7 87.8 0.85| 14.2 12.1 2000 260 18 198 10| 3.6 5.1 8.7|131.7 -9.6 122.1 61.1 0.68| 12.1 8.3 2500 259 19 201 11| 2.9 5.0 7.9|131.7 -28.3 103.4 41.4 0.48| 11.4 5.4 3000 258 19 201 11| 2.5 4.1 6.6|131.7 -31.5 100.2 33.4 0.44| 9.9 4.3 4000 256 20 200 12| 2.5 3.8 6.3|137.3 -43.4 93.9 23.5 0.33| 9.4 3.1 5000 258 20 204 11| 2.5 3.3 5.9|155.9 -43.4 112.5 22.5 0.37| 8.6 3.2 6000 263 22 216 11| 2.7 2.9 5.6|185.5 -43.4 142.1 23.7 0.41| 8.3 3.4 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251228.00.gif