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 SB099... Searching the city database file for: SB099 ... Date:1200Z 28 DEC 25 Station: SB099 WMO ident: 82099 Latitude: 0.05 Longitude: -51.07 ------------------------------------------------------------------------------- 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 1010 21 27.4 23.2 78 4.2 24.3 30 2 299.7 303.0 297.1 352.4 18.00 1 1000 108 26.2 23.9 87 2.3 24.5 55 6 299.4 302.8 297.7 354.9 19.00 2 932 727 21.8 21.2 96 0.6 21.4 70 22 301.0 304.1 297.0 351.7 17.25 3 925 793 21.6 19.9 90 1.7 20.4 70 22 301.4 304.3 296.3 348.5 16.01 4 852 1504 17.6 15.8 89 1.8 16.4 85 27 304.4 306.9 295.3 344.2 13.37 5 850 1524 17.6 15.7 89 1.9 16.3 85 27 304.6 307.1 295.3 344.3 13.32 6 700 3166 9.8 6.5 80 3.3 7.8 90 30 313.3 315.0 294.4 340.4 8.71 7 646 3828 6.2 1.6 72 4.6 3.6 90 23 316.5 317.8 293.7 337.6 6.67 8 630 4034 5.6 -7.4 39 13.0 -0.5 95 22 318.1 318.8 291.6 329.5 3.48 9 625 4099 5.2 -1.8 61 7.0 1.5 100 22 318.4 319.4 293.2 335.6 5.37 10 604 4377 4.0 -8.0 41 12.0 -1.6 115 20 320.1 320.8 292.1 331.5 3.46 11 580 4705 1.8 -5.2 60 7.0 -1.7 130 18 321.3 322.2 293.3 335.9 4.48 12 556 5046 0.8 -13.2 34 14.0 -5.0 156 16 324.0 324.5 292.4 332.4 2.49 13 521 5565 -2.7 -21.7 22 19.0 -9.0 153 14 325.9 326.1 291.8 330.4 1.29 14 503 5843 -4.3 -14.3 46 10.0 -8.3 125 8 327.2 327.7 293.3 335.8 2.51 15 500 5890 -4.3 -15.3 42 11.0 -8.6 120 7 327.8 328.3 293.3 335.8 2.33 16 447 6763 -10.5 -19.5 48 9.0 -13.5 49 4 330.7 331.0 293.6 337.1 1.83 17 431 7043 -11.9 -27.9 25 16.0 -16.1 30 3 332.4 332.5 293.2 335.6 0.89 18 400 7610 -16.7 -27.7 38 11.0 -19.4 350 3 333.3 333.5 293.6 336.9 0.98 19 381 7973 -19.9 -31.9 34 12.0 -22.4 13 1 333.7 333.9 293.4 336.3 0.69 20 346 8683 -23.7 -44.7 13 21.0 -26.5 23 9 337.9 338.0 294.0 338.7 0.21 21 327 9093 -26.5 -38.5 31 12.0 -28.3 343 14 339.6 339.6 294.6 341.2 0.42 22 321 9227 -27.1 -52.1 7 25.0 -29.6 342 16 340.5 340.6 294.6 340.9 0.10 23 318 9294 -27.7 -47.7 13 20.0 -29.9 345 18 340.6 340.7 294.6 341.3 0.16 24 300 9710 -31.3 -50.3 14 19.0 -33.0 325 19 341.3 341.3 294.7 341.8 0.13 25 251 10943 -42.9 -51.9 37 9.0 -43.4 331 13 341.9 341.9 294.9 342.4 0.13 26 250 10970 -43.1 -53.1 32 10.0 -43.6 330 13 342.0 342.0 294.9 342.4 0.11 27 241 11216 -44.3 -62.3 12 18.0 -45.0 332 15 343.8 343.8 295.3 343.9 0.04 28 200 12440 -53.1 -70.1 11 17.0 -53.4 265 15 348.7 348.7 296.4 348.7 0.02 29 195 12603 -53.7 -72.7 8 19.0 -54.0 282 14 350.3 350.3 296.7 350.3 0.01 30 180 13113 -56.9 -73.9 10 17.0 -57.1 279 15 353.1 353.1 297.3 353.2 0.01 31 150 14240 -67.3 -74.3 36 7.0 -67.4 325 16 354.2 354.2 297.5 354.2 0.01 32 140 14651 -70.9 -76.9 41 6.0 -70.9 320 18 354.9 354.9 297.7 354.9 0.01 33 127 15221 -74.9 -79.2 51 4.3 -74.9 303 3 357.7 357.7 298.2 357.7 0.01 34 100 16580 -82.3 -88.3 35 6.0 -82.3 205 17 368.7 368.7 300.4 368.7 0.00 35 92 17045 -84.3 -89.3 41 5.0 -84.3 135 17 373.7 373.7 301.2 373.7 0.00 36 83 17625 -78.9 -88.9 18 10.0 -78.9 96 45 395.8 395.8 304.6 395.8 0.00 37 80 17838 -74.3 -85.3 17 11.0 -74.3 90 31 409.5 409.5 306.5 409.5 0.00 38 70 18610 -78.1 -89.1 15 11.0 -78.1 165 17 417.3 417.3 307.4 417.3 0.00 39 67 18859 -79.1 -89.1 18 10.0 -79.1 165 17 420.4 420.4 307.7 420.4 0.00 40 58 19689 -73.3 -87.3 10 14.0 -73.4 213 6 451.2 451.2 311.0 451.2 0.00 41 52 20323 -76.1 -89.1 11 13.0 -76.2 357 8 459.0 459.0 311.7 459.0 0.00 42 50 20550 -74.5 -89.5 8 15.0 -74.6 65 32 467.9 467.9 312.5 467.9 0.00 43 42 21572 -71.7 -90.7 4 19.0 -71.8 87 36 498.8 498.8 314.9 498.8 0.00 44 39 22015 -66.3 -89.3 3 23.0 -66.6 78 48 523.1 523.1 316.5 523.1 0.00 45 30 23620 -62.3 -89.3 2 27.0 -63.0 85 56 574.8 574.8 319.4 574.8 0.00 TRP 92 17045 -84.3 -89.3 41 5.0 -84.3 135 17 373.7 373.7 301.2 373.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 548.00 mb = 5164.32 m = 16943.09 ft Wetbulb zero: 631.98 mb = 4007.84 m = 13148.93 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 69.47 % Est. max temperature: 31.76 C = 89.16 F Sfc-Lift cond lev (LCL): 950.53 mb = 554.10 m = 1817.90 ft T: 23.03 C 700-500 lapse rate: 5.18 C/km ThetaE index: 14.84 C Layer 700.0- 625.0 mb Conv cond level (CCL): 921.86 mb = 822.37 m = 2698.04 ft Mean mixing ratio: 17.68 g/kg Conv temperature: 29.23 C = 84.61 F Cap Strength: 0.41 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.19 C Lifted Index @700 mb: -1.41 C Showalter Index: 0.78 C Risk: Thunderstorms probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.00 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 249.40 Risk: None Energy Index: -1.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1324.67 J/kg Max Up Vert Vel: 51.47 m/s Conv Inhibition (B-): 2.34 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 937.20 mb = 678.31 m = 2225.40 ft Lev Free Conv (LFC): 902.20 mb = 1008.80 m = 3309.66 ft Equ Level (EL): 182.20 mb = 13035.89 m = 42768.16 ft B at Equ Level: 1319.32 J/kg Max Parcel Lev (MPL): 82.20 mb = 17680.82 m = 58007.24 ft Wind level data Storm motion: 124 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 1010 21 30 2 -1.0 -1.7 | 311 17 12.7 -11.1 1 1000 108 55 6 -4.9 -3.4 | 326 16 8.8 -12.8 2 978 305 60 12 -10.4 -6.0 | 348 16 3.3 -15.4 3 945 610 70 21 -19.7 -7.2 | 20 18 -6.0 -16.6 4 925 793 70 22 -20.7 -7.5 | 22 18 -7.0 -16.9 5 912 914 70 24 -22.6 -8.2 | 27 20 -8.9 -17.6 6 850 1524 85 27 -26.9 -2.4 | 48 18 -13.2 -11.7 7 791 2134 90 30 -30.0 0.0 | 60 19 -16.3 -9.4 8 763 2438 85 31 -30.9 -2.7 | 55 21 -17.2 -12.1 9 710 3048 85 34 -33.9 -3.0 | 59 24 -20.2 -12.3 10 700 3166 90 30 -30.0 0.0 | 60 19 -16.3 -9.4 11 634 3962 90 22 -22.0 0.0 | 42 13 -8.3 -9.4 12 611 4267 115 21 -19.0 8.9 | 85 5 -5.3 -0.5 13 588 4572 115 19 -17.2 8.0 | 69 4 -3.5 -1.3 14 567 4877 155 16 -6.8 14.5 | 233 9 6.9 5.1 15 526 5486 160 15 -5.1 14.1 | 241 10 8.6 4.7 16 500 5890 120 7 -6.1 3.5 | 308 10 7.6 -5.9 17 487 6096 95 4 -4.0 0.3 | 313 13 9.7 -9.0 18 400 7610 350 3 0.5 -3.0 | 311 19 14.2 -12.3 19 383 7925 0 0 -0.0 -0.0 | 304 17 13.7 -9.4 20 367 8230 95 6 -6.0 0.5 | 319 12 7.7 -8.8 21 338 8839 355 10 0.9 -10.0 | 323 24 14.6 -19.3 22 324 9144 340 15 5.1 -14.1 | 321 30 18.8 -23.5 23 311 9449 350 21 3.6 -20.7 | 330 35 17.3 -30.1 24 300 9710 325 19 10.9 -15.6 | 315 35 24.6 -24.9 25 298 9754 325 19 10.9 -15.6 | 315 35 24.6 -24.9 26 261 10668 345 12 3.1 -11.6 | 321 27 16.8 -21.0 27 250 10970 330 13 6.5 -11.3 | 316 29 20.2 -20.6 28 250 10973 330 14 7.0 -12.1 | 316 30 20.7 -21.5 29 228 11582 335 17 7.2 -15.4 | 320 32 20.9 -24.8 30 208 12192 300 19 16.5 -9.5 | 302 36 30.1 -18.9 31 200 12440 265 15 14.9 1.3 | 286 30 28.6 -8.1 32 198 12497 295 14 12.7 -5.9 | 300 30 26.4 -15.3 33 189 12802 255 15 14.5 3.9 | 281 29 28.2 -5.5 34 180 13106 280 15 14.8 -2.6 | 293 31 28.5 -12.0 35 163 13716 285 14 13.5 -3.6 | 296 30 27.2 -13.0 36 155 14021 320 14 9.0 -10.7 | 312 30 22.7 -20.1 37 150 14240 325 16 9.2 -13.1 | 315 32 22.9 -22.5 38 140 14630 320 18 11.6 -13.8 | 313 34 25.3 -23.2 39 133 14935 325 13 7.5 -10.6 | 313 29 21.1 -20.0 40 126 15240 300 1 0.9 -0.5 | 304 18 14.6 -9.9 41 120 15545 150 10 -5.0 8.7 | 275 9 8.7 -0.7 42 113 15850 170 25 -4.3 24.6 | 212 18 9.3 15.2 43 108 16154 165 27 -7.0 26.1 | 202 18 6.7 16.7 44 100 16580 205 17 7.2 15.4 | 254 22 20.9 6.0 45 97 16764 205 19 8.0 17.2 | 250 23 21.7 7.8 46 92 17045 135 17 -12.0 12.0 | 212 3 1.7 2.6 47 92 17069 165 15 -3.9 14.5 | 242 11 9.8 5.1 48 87 17374 105 32 -30.9 8.3 | 86 17 -17.2 -1.1 49 82 17678 95 47 -46.8 4.1 | 81 34 -33.1 -5.3 50 78 17983 85 18 -17.9 -1.6 | 21 12 -4.2 -10.9 51 74 18288 140 2 -1.3 1.5 | 302 15 12.4 -7.8 52 70 18593 215 13 7.5 10.6 | 267 21 21.1 1.3 53 70 18610 165 17 -4.4 16.4 | 233 12 9.3 7.0 54 67 18898 165 17 -4.4 16.4 | 233 12 9.3 7.0 55 63 19202 165 12 -3.1 11.6 | 258 11 10.6 2.2 56 54 20117 255 1 1.0 0.3 | 302 17 14.7 -9.1 57 51 20422 45 11 -7.8 -7.8 | 341 18 5.9 -17.2 58 50 20550 65 32 -29.0 -13.5 | 34 28 -15.3 -22.9 59 48 20726 70 25 -23.5 -8.6 | 29 20 -9.8 -17.9 60 45 21031 65 33 -29.9 -13.9 | 35 28 -16.2 -23.3 61 43 21336 90 33 -33.0 0.0 | 64 21 -19.3 -9.4 62 40 21641 75 47 -45.4 -12.2 | 56 38 -31.7 -21.5 63 35 22250 90 52 -52.0 0.0 | 76 39 -38.3 -9.4 64 33 22555 85 59 -58.8 -5.1 | 72 47 -45.1 -14.5 65 29 23165 85 55 -54.8 -4.8 | 71 43 -41.1 -14.2 66 26 23774 105 57 -55.1 14.8 | 97 42 -41.4 5.4 Wind Parameters Mean winds (0-6000m): 94.4 at 22.1 knts Storm direction: 124.4 at 16.6 knts Shear (0-3000m) pos: 4.9 neg: 0.9 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 152.5 neg: -8.5 tot: 144.0 m^2/s^2 ave: 48.0 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.5 10^-3/s Energy-Hel index: 1.18 Bulk Rich Number: 48.68 Bulk Shear: 27.21 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 61 11 344 15| 17.3 0.0 17.3| 69.9 0.0 69.9 139.8 0.98| 17.5 17.2 1000 67 16 6 16| 11.9 0.0 11.9| 98.9 0.0 98.9 98.9 0.95| 12.3 11.7 1500 73 20 18 16| 8.9 0.0 8.9|127.3 0.0 127.3 84.9 0.95| 10.3 9.8 2000 77 22 28 16| 7.3 0.0 7.3|142.0 0.0 142.0 71.0 0.95| 8.6 8.1 2500 80 24 35 16| 5.9 0.6 6.5|145.6 -8.5 137.1 54.8 0.83| 7.6 6.3 3000 81 25 40 17| 4.9 0.9 5.7|152.5 -8.5 144.0 48.0 0.81| 6.8 5.5 4000 83 26 44 17| 2.3 0.6 2.9|157.8 -26.6 131.1 32.8 0.53| 6.9 3.7 5000 89 24 47 14| 1.9 0.5 2.4|175.3 -27.6 147.7 29.5 0.55| 7.9 4.3 6000 94 22 47 11| 1.5 1.3 2.8|197.9 -27.6 170.3 28.4 0.58| 7.8 4.5 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251228.12.gif