UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 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 1002 85 25.2 23.8 92 1.4 24.2 50 2 298.2 301.6 297.3 353.0 18.84 1 1000 103 24.8 23.5 92 1.3 23.9 5 1 298.0 301.3 297.0 351.8 18.53 2 976 316 22.8 22.8 100 0.0 22.8 160 3 298.0 301.3 296.8 350.9 18.19 3 925 786 22.4 18.1 77 4.3 19.4 260 6 302.2 304.8 295.4 344.4 14.27 4 913 900 22.4 17.7 75 4.7 19.1 269 10 303.3 305.9 295.6 345.2 14.09 5 874 1279 20.8 14.8 69 6.0 16.8 286 13 305.5 307.8 294.8 342.0 12.20 6 850 1520 19.0 14.3 74 4.7 15.8 270 14 306.0 308.3 294.9 342.5 12.15 7 781 2243 13.8 13.6 99 0.2 13.7 302 21 308.0 310.3 295.8 346.2 12.64 8 700 3163 9.8 4.9 72 4.9 6.9 315 24 313.3 314.8 293.7 337.6 7.78 9 657 3688 7.2 2.2 70 5.0 4.4 305 20 316.1 317.5 293.7 337.8 6.84 10 582 4675 0.0 -1.9 87 1.9 -1.0 280 20 318.9 320.0 293.6 337.3 5.73 11 526 5481 -4.5 -5.6 92 1.1 -5.0 301 26 322.8 323.8 294.0 338.5 4.79 12 500 5880 -5.9 -9.1 78 3.2 -7.3 295 32 325.8 326.6 294.0 338.7 3.84 13 407 7459 -15.5 -16.8 90 1.3 -16.0 293 23 333.2 333.7 294.8 342.0 2.52 14 400 7590 -16.1 -17.7 87 1.6 -16.7 295 23 334.1 334.5 294.9 342.4 2.38 15 347 8647 -23.5 -25.0 87 1.5 -23.9 295 29 337.9 338.2 295.1 343.2 1.45 16 305 9582 -28.7 -33.2 65 4.5 -29.5 301 40 343.3 343.5 295.8 346.2 0.76 17 300 9700 -29.5 -33.2 70 3.7 -30.2 300 42 343.8 344.0 295.9 346.8 0.78 18 295 9820 -30.3 -34.4 67 4.1 -31.0 300 42 344.3 344.5 296.0 347.0 0.70 19 250 10970 -40.5 -42.6 80 2.1 -40.7 300 42 345.9 345.9 296.0 347.3 0.36 20 236 11360 -43.7 -44.8 89 1.1 -43.8 300 45 346.8 346.8 296.2 348.0 0.30 21 227 11620 -45.7 -50.7 57 5.0 -46.0 300 47 347.6 347.6 296.3 348.3 0.16 22 213 12041 -49.5 -52.3 72 2.8 -49.6 300 51 348.1 348.1 296.3 348.7 0.14 23 207 12227 -51.1 -54.7 65 3.6 -51.2 300 52 348.4 348.4 296.4 348.9 0.11 24 202 12386 -52.1 -66.1 17 14.0 -52.4 300 53 349.3 349.3 296.5 349.4 0.03 25 200 12450 -52.5 -64.5 22 12.0 -52.8 300 54 349.6 349.6 296.6 349.8 0.03 26 183 13016 -57.9 -63.9 46 6.0 -58.0 306 52 349.9 349.9 296.6 350.0 0.04 27 175 13297 -58.1 -69.1 23 11.0 -58.3 309 50 354.0 354.0 297.5 354.1 0.02 28 158 13933 -63.1 -70.1 38 7.0 -63.2 295 47 356.0 356.1 297.9 356.1 0.02 29 151 14210 -65.3 -77.3 17 12.0 -65.4 286 45 356.9 356.9 298.1 356.9 0.01 30 150 14250 -65.5 -76.5 20 11.0 -65.6 285 45 357.2 357.2 298.1 357.3 0.01 31 142 14583 -67.3 -75.3 31 8.0 -67.4 295 43 359.7 359.7 298.7 359.8 0.01 32 131 15069 -68.9 -82.9 12 14.0 -68.9 308 35 365.3 365.3 299.7 365.3 0.00 33 101 16602 -75.9 -86.9 16 11.0 -75.9 257 12 380.0 380.0 302.2 380.0 0.00 34 100 16660 -75.3 -87.3 14 12.0 -75.3 250 12 382.2 382.2 302.6 382.2 0.00 35 84 17657 -78.7 -88.7 18 10.0 -78.7 200 12 394.9 394.9 304.5 394.9 0.00 36 76 18224 -79.1 -90.1 15 11.0 -79.1 203 17 405.5 405.5 305.9 405.5 0.00 37 70 18690 -78.7 -88.7 18 10.0 -78.7 220 20 416.0 416.0 307.2 416.0 0.00 38 66 19026 -78.7 -89.7 15 11.0 -78.7 220 19 423.1 423.1 308.1 423.1 0.00 39 61 19482 -73.7 -88.7 8 15.0 -73.7 177 13 443.8 443.8 310.3 443.9 0.00 40 60 19579 -74.9 -89.9 8 15.0 -75.0 141 12 443.3 443.3 310.2 443.3 0.00 41 50 20650 -71.1 -90.1 4 19.0 -71.2 160 5 475.9 475.9 313.1 476.0 0.00 42 36 22649 -60.9 -87.9 2 27.0 -61.6 151 20 549.2 549.2 318.1 549.2 0.00 43 34 23004 -63.3 -89.3 2 26.0 -63.8 129 22 552.0 552.0 318.2 552.0 0.00 44 32 23382 -57.9 -86.9 1 29.0 -59.0 104 22 576.1 576.1 319.5 576.1 0.01 45 30 23790 -57.5 -86.5 1 29.0 -58.7 105 20 587.9 587.9 320.0 587.9 0.01 46 27 24453 -58.1 -87.1 1 29.0 -59.3 125 15 604.2 604.2 320.8 604.2 0.01 47 22 25762 -51.1 -84.1 1 33.0 -54.1 93 21 661.5 661.5 323.1 661.6 0.02 48 20 26380 -52.1 -84.1 1 32.0 -55.0 55 26 676.7 676.7 323.7 676.8 0.02 49 18 27062 -51.9 -83.9 1 32.0 -55.1 60 26 698.0 698.0 324.4 698.2 0.02 TRP 84 17657 -78.7 -88.7 18 10.0 -78.7 200 12 394.9 394.9 304.5 394.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 582.00 mb = 4674.95 m = 15337.58 ft Wetbulb zero: 595.73 mb = 4485.12 m = 14714.78 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 82.59 % Est. max temperature: 33.03 C = 91.45 F Sfc-Lift cond lev (LCL): 982.23 mb = 260.58 m = 854.92 ft T: 23.32 C 700-500 lapse rate: 5.78 C/km ThetaE index: 8.65 C Layer 1000.0- 913.0 mb Conv cond level (CCL): 845.96 mb = 1560.72 m = 5120.42 ft Mean mixing ratio: 16.24 g/kg Conv temperature: 33.18 C = 91.73 F Cap Strength: 2.58 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.01 C Lifted Index @700 mb: -0.24 C Showalter Index: -0.12 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.20 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.60 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 498.85 J/kg Max Up Vert Vel: 31.59 m/s Conv Inhibition (B-): 75.97 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 919.87 mb = 834.52 m = 2737.90 ft Lev Free Conv (LFC): 784.87 mb = 2200.94 m = 7220.84 ft Equ Level (EL): 294.87 mb = 9822.66 m = 32226.17 ft B at Equ Level: 492.54 J/kg Max Parcel Lev (MPL): 134.87 mb = 14893.56 m = 48862.78 ft Wind level data Storm motion: 326 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 1002 85 50 2 -1.5 -1.3 | 138 14 -9.2 10.2 1 1000 103 5 1 -0.1 -1.0 | 143 13 -7.8 10.5 2 977 305 160 3 -1.0 2.8 | 149 17 -8.7 14.3 3 944 610 170 3 -0.5 3.0 | 150 17 -8.2 14.4 4 925 786 260 6 5.9 1.0 | 172 13 -1.8 12.5 5 911 914 270 10 10.0 -0.0 | 191 12 2.3 11.5 6 880 1219 290 13 12.2 -4.4 | 213 8 4.5 7.0 7 850 1520 270 14 14.0 -0.0 | 209 13 6.3 11.5 8 850 1524 265 12 12.0 1.0 | 199 13 4.2 12.5 9 791 2134 305 21 17.2 -12.0 | 273 10 9.5 -0.6 10 763 2438 295 22 19.9 -9.3 | 260 12 12.2 2.2 11 736 2743 295 21 19.0 -8.9 | 257 12 11.3 2.6 12 710 3048 315 26 18.4 -18.4 | 303 13 10.7 -6.9 13 700 3163 315 24 17.0 -17.0 | 301 11 9.3 -5.5 14 634 3962 300 17 14.7 -8.5 | 247 8 7.0 3.0 15 611 4267 280 17 16.7 -3.0 | 227 12 9.0 8.5 16 588 4572 275 20 19.9 -1.7 | 231 16 12.2 9.7 17 566 4877 295 20 18.1 -8.5 | 254 11 10.4 3.0 18 506 5791 305 30 24.6 -17.2 | 289 18 16.9 -5.7 19 500 5880 295 32 29.0 -13.5 | 276 21 21.3 -2.1 20 486 6096 295 31 28.1 -13.1 | 275 20 20.4 -1.6 21 449 6706 280 26 25.6 -4.5 | 249 19 17.9 7.0 22 400 7590 295 23 20.8 -9.7 | 262 13 13.1 1.7 23 367 8230 305 28 22.9 -16.1 | 287 16 15.2 -4.6 24 337 8839 290 30 28.2 -10.3 | 267 21 20.5 1.2 25 324 9144 305 31 25.4 -17.8 | 290 19 17.7 -6.3 26 300 9700 300 42 36.4 -21.0 | 288 30 28.7 -9.5 27 250 10970 300 42 36.4 -21.0 | 288 30 28.7 -9.5 28 200 12450 300 54 46.8 -27.0 | 292 42 39.1 -15.5 29 199 12497 300 55 47.6 -27.5 | 292 43 39.9 -16.0 30 172 13411 310 49 37.5 -31.5 | 304 36 29.8 -20.0 31 150 14250 285 45 43.5 -11.6 | 270 36 35.8 -0.2 32 148 14326 285 48 46.4 -12.4 | 271 39 38.7 -1.0 33 134 14935 310 36 27.6 -23.1 | 300 23 19.9 -11.7 34 121 15545 300 29 25.1 -14.5 | 280 18 17.4 -3.0 35 109 16154 255 17 16.4 4.4 | 209 18 8.7 15.9 36 103 16459 275 13 13.0 -1.1 | 207 12 5.2 10.3 37 100 16660 250 12 11.3 4.1 | 193 16 3.6 15.6 38 98 16764 270 15 15.0 -0.0 | 212 14 7.3 11.5 39 93 17069 230 12 9.2 7.7 | 184 19 1.5 19.2 40 88 17374 250 10 9.4 3.4 | 186 15 1.7 14.9 41 84 17657 200 12 4.1 11.3 | 171 23 -3.6 22.7 42 84 17678 210 12 6.0 10.4 | 176 22 -1.7 21.9 43 79 17983 195 12 3.1 11.6 | 169 24 -4.6 23.1 44 71 18593 215 24 13.8 19.7 | 191 32 6.1 31.1 45 70 18690 220 20 12.9 15.3 | 191 27 5.1 26.8 46 64 19202 220 19 12.2 14.6 | 190 26 4.5 26.0 47 61 19507 175 13 -1.1 13.0 | 160 26 -8.8 24.4 48 58 19812 45 11 -7.8 -7.8 | 103 16 -15.5 3.7 49 55 20117 335 11 4.6 -10.0 | 116 3 -3.1 1.5 50 50 20650 160 5 -1.7 4.7 | 150 19 -9.4 16.2 51 43 21641 145 11 -6.3 9.0 | 146 25 -14.0 20.5 52 40 21946 145 22 -12.6 18.0 | 145 36 -20.3 29.5 53 39 22250 125 18 -14.7 10.3 | 134 31 -22.5 21.8 54 37 22555 155 20 -8.5 18.1 | 151 34 -16.2 29.6 55 35 22860 145 21 -12.0 17.2 | 145 35 -19.8 28.7 56 33 23165 115 23 -20.8 9.7 | 127 36 -28.6 21.2 57 32 23470 100 21 -20.7 3.6 | 118 32 -28.4 15.1 58 30 23774 105 15 -14.5 3.9 | 125 27 -22.2 15.4 59 30 23790 105 20 -19.3 5.2 | 122 32 -27.0 16.6 60 29 24079 105 20 -19.3 5.2 | 122 32 -27.0 16.6 61 27 24384 125 14 -11.5 8.0 | 135 27 -19.2 19.5 62 24 25298 120 23 -19.9 11.5 | 130 36 -27.6 23.0 63 22 25908 85 20 -19.9 -1.7 | 109 29 -27.6 9.7 64 20 26380 55 26 -21.3 -14.9 | 83 29 -29.0 -3.4 65 19 26518 85 22 -21.9 -1.9 | 108 31 -29.6 9.6 66 18 26822 55 27 -22.1 -15.5 | 82 30 -29.8 -4.0 67 16 27127 85 28 -27.9 -2.4 | 104 37 -35.6 9.0 68 15 27432 75 26 -25.1 -6.7 | 98 33 -32.8 4.7 Wind Parameters Mean winds (0-6000m): 296.1 at 18.4 knts Storm direction: 326.1 at 13.8 knts Shear (0-3000m) pos: 4.5 neg: 0.9 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 164.5 deg Storm rel helicity (0-3000m) pos: 124.5 neg: -13.6 tot: 111.0 m^2/s^2 ave: 37.0 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 5.9 10^-3/s Energy-Hel index: 0.29 Bulk Rich Number: 9.12 Bulk Shear: 54.68 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 ------------------------------------------------------------------------------- 500 160 3 148 16| 4.5 0.0 4.5| 14.1 0.0 14.1 28.3 0.70| 5.0 3.5 1000 247 5 167 14| 6.7 0.0 6.7| 56.3 0.0 56.3 56.3 0.80| 9.9 7.9 1500 269 8 180 12| 4.5 1.0 5.5| 60.4 -5.8 54.6 36.4 0.58| 9.0 5.2 2000 279 10 192 10| 5.4 0.7 6.1| 93.5 -5.8 87.7 43.8 0.70| 9.8 6.9 2500 287 12 207 9| 4.3 1.1 5.5| 95.9 -13.0 83.0 33.2 0.59| 8.8 5.2 3000 292 14 221 8| 4.5 0.9 5.4|124.5 -13.6 111.0 37.0 0.66| 9.0 5.9 4000 298 16 236 8| 3.3 2.0 5.4|124.5 -36.7 87.8 21.9 0.38| 8.3 3.1 5000 295 16 238 9| 3.4 2.1 5.5|152.3 -42.5 109.8 22.0 0.38| 8.3 3.2 6000 296 18 249 9| 3.3 2.1 5.4|176.8 -67.1 109.7 18.3 0.34| 8.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251228.12.gif