UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SB099... Searching the city database file for: SB099 ... Date:1200Z 18 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 1009 14 28.2 23.2 74 5.0 24.5 360 2 300.6 303.9 297.4 353.5 18.02 1 1000 93 26.6 23.4 83 3.2 24.3 5 8 299.8 303.1 297.4 353.7 18.41 2 947 573 22.4 22.4 100 0.0 22.4 42 21 300.2 303.5 297.4 353.8 18.30 3 925 779 21.6 20.3 92 1.3 20.7 50 22 301.4 304.4 296.6 349.8 16.42 4 850 1510 17.6 16.4 93 1.2 16.8 75 13 304.6 307.2 295.8 346.2 13.94 5 757 2495 12.6 10.0 84 2.6 10.9 90 10 309.4 311.4 294.5 340.7 10.24 6 747 2607 12.2 9.3 82 2.9 10.4 90 11 310.2 312.0 294.4 340.5 9.90 7 741 2675 12.6 4.6 58 8.0 7.9 90 11 311.3 312.7 292.7 333.6 7.19 8 736 2732 12.0 8.3 78 3.7 9.7 90 11 311.3 313.1 294.3 340.1 9.38 9 702 3128 10.6 0.6 50 10.0 5.1 75 11 314.0 315.1 292.2 331.9 5.70 10 700 3152 10.4 2.4 58 8.0 5.9 70 10 314.0 315.2 292.9 334.4 6.51 11 691 3260 10.0 3.0 62 7.0 6.0 77 9 314.7 316.0 293.4 336.4 6.89 12 664 3591 7.4 6.2 92 1.2 6.6 97 8 315.4 317.1 295.1 343.6 9.00 13 649 3780 6.2 4.3 88 1.9 5.1 109 7 316.1 317.7 294.7 341.4 8.05 14 599 4436 3.4 2.0 91 1.4 2.6 125 3 320.2 321.7 295.3 343.9 7.41 15 552 5099 0.6 -7.4 55 8.0 -3.2 80 2 324.5 325.2 293.7 337.7 3.97 16 538 5305 -0.9 -5.5 71 4.6 -3.2 80 2 325.1 326.0 294.5 340.7 4.72 17 529 5441 -0.9 -14.9 34 14.0 -6.5 80 3 326.6 327.1 292.9 334.4 2.27 18 525 5501 -0.7 -14.7 34 14.0 -6.4 80 3 327.6 328.0 293.2 335.6 2.33 19 507 5780 -3.5 -8.0 71 4.5 -5.6 80 4 327.5 328.3 294.6 341.3 4.13 20 500 5890 -4.1 -12.1 54 8.0 -7.5 80 4 328.0 328.6 293.9 338.3 3.02 21 494 5985 -4.5 -16.5 39 12.0 -9.1 98 4 328.7 329.1 293.3 336.1 2.13 22 486 6113 -5.5 -13.5 53 8.0 -8.8 119 3 329.0 329.6 294.0 338.5 2.78 23 481 6194 -5.7 -22.7 25 17.0 -11.2 109 4 329.7 330.0 292.9 334.3 1.28 24 427 7114 -12.1 -18.1 61 6.0 -14.2 3 12 333.0 333.4 294.4 340.6 2.15 25 402 7572 -14.1 -39.1 10 25.0 -18.9 309 17 336.2 336.2 293.7 337.4 0.32 26 400 7610 -14.1 -42.1 7 28.0 -19.1 305 17 336.7 336.7 293.7 337.6 0.24 27 395 7705 -13.7 -45.7 5 32.0 -19.0 303 10 338.4 338.4 294.1 339.0 0.16 28 358 8443 -20.1 -37.1 20 17.0 -23.2 320 25 339.5 339.6 294.6 341.2 0.44 29 319 9288 -25.3 -43.3 17 18.0 -27.8 315 19 343.6 343.7 295.4 344.7 0.26 30 300 9730 -28.9 -45.9 18 17.0 -30.9 335 19 344.6 344.7 295.6 345.5 0.21 31 257 10812 -39.1 -45.1 53 6.0 -39.6 333 11 345.2 345.3 295.8 346.3 0.27 32 250 11000 -40.5 -44.8 63 4.3 -40.9 310 9 345.9 345.9 296.0 347.0 0.28 33 218 11918 -48.1 -51.2 70 3.1 -48.3 180 12 347.9 348.0 296.3 348.6 0.16 34 216 11979 -48.5 -54.5 50 6.0 -48.8 179 14 348.2 348.2 296.3 348.7 0.11 35 204 12352 -51.7 -58.7 43 7.0 -51.9 176 25 348.9 348.9 296.4 349.2 0.07 36 200 12480 -52.9 -57.9 55 5.0 -53.1 175 29 349.0 349.0 296.5 349.3 0.08 37 189 12842 -56.1 -59.6 65 3.5 -56.2 175 29 349.5 349.5 296.6 349.8 0.07 38 185 12977 -57.3 -61.7 57 4.4 -57.4 175 29 349.7 349.7 296.6 350.0 0.05 39 158 13955 -65.3 -76.3 20 11.0 -65.4 152 36 352.3 352.3 297.1 352.4 0.01 40 150 14270 -66.9 -74.9 31 8.0 -67.0 125 17 354.8 354.8 297.7 354.9 0.01 41 115 15826 -79.5 -84.5 43 5.0 -79.5 343 19 359.5 359.5 298.6 359.5 0.00 42 101 16555 -83.1 -89.1 34 6.0 -83.1 341 17 366.1 366.1 299.9 366.1 0.00 43 100 16610 -83.7 -89.7 34 6.0 -83.7 330 11 366.0 366.0 299.8 366.0 0.00 44 94 16952 -85.5 -91.5 33 6.0 -85.5 300 9 369.0 369.0 300.4 369.0 0.00 45 82 17702 -86.5 -91.5 40 5.0 -86.5 148 15 381.7 381.7 302.5 381.7 0.00 46 70 18590 -77.1 -88.1 16 11.0 -77.1 80 14 419.4 419.4 307.6 419.4 0.00 47 67 18843 -75.1 -88.1 11 13.0 -75.2 181 16 429.1 429.1 308.7 429.1 0.00 48 57 19788 -72.7 -88.7 7 16.0 -72.8 222 2 454.8 454.8 311.3 454.8 0.00 49 51 20443 -72.1 -90.1 5 18.0 -72.2 82 15 470.9 470.9 312.7 470.9 0.00 50 50 20560 -70.1 -90.1 4 20.0 -70.2 90 32 478.3 478.3 313.3 478.3 0.00 51 47 20930 -68.3 -90.3 3 22.0 -68.5 81 38 491.2 491.2 314.3 491.2 0.00 52 44 21324 -69.9 -90.9 3 21.0 -70.1 73 42 496.6 496.6 314.7 496.6 0.00 53 39 22056 -62.1 -90.1 1 28.0 -62.7 82 51 533.8 533.8 317.2 533.8 0.00 TRP 94 16952 -85.5 -91.5 33 6.0 -85.5 300 9 369.0 369.0 300.4 369.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 546.40 mb = 5181.35 m = 16998.96 ft Wetbulb zero: 577.95 mb = 4726.40 m = 15506.38 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 79.40 % Est. max temperature: 31.82 C = 89.27 F Sfc-Lift cond lev (LCL): 938.70 mb = 650.47 m = 2134.06 ft T: 22.10 C 700-500 lapse rate: 5.30 C/km ThetaE index: 20.25 C Layer 925.0- 736.0 mb Conv cond level (CCL): 923.83 mb = 789.96 m = 2591.70 ft Mean mixing ratio: 17.75 g/kg Conv temperature: 29.06 C = 84.32 F Cap Strength: 0.25 C Lifted Index: -2.07 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.94 C Lifted Index @700 mb: -0.93 C Showalter Index: 0.27 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.50 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.80 Risk: None Energy Index: -1.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 938.65 J/kg Max Up Vert Vel: 43.33 m/s Conv Inhibition (B-): 1.80 J/kg Cap Strength: 0.28 C Lift Cond Lev (LCL): 937.35 mb = 663.02 m = 2175.24 ft Lev Free Conv (LFC): 902.35 mb = 993.33 m = 3258.91 ft Equ Level (EL): 152.35 mb = 14175.85 m = 46508.13 ft B at Equ Level: 924.40 J/kg Max Parcel Lev (MPL): 82.35 mb = 17678.74 m = 58000.42 ft Wind level data Storm motion: 99 at 7 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 1009 14 360 2 -0.0 -2.0 | 295 8 6.8 -3.1 1 1000 93 5 8 -0.7 -8.0 | 326 11 6.1 -9.1 2 976 305 20 18 -6.2 -16.9 | 358 18 0.7 -18.0 3 943 610 45 21 -14.8 -14.8 | 27 18 -8.0 -16.0 4 925 779 50 22 -16.9 -14.1 | 33 18 -10.0 -15.3 5 911 914 55 21 -17.2 -12.0 | 38 17 -10.4 -13.2 6 850 1510 75 13 -12.6 -3.4 | 52 7 -5.7 -4.5 7 849 1524 75 14 -13.5 -3.6 | 55 8 -6.7 -4.7 8 790 2134 85 9 -9.0 -0.8 | 48 3 -2.1 -1.9 9 762 2438 90 10 -10.0 0.0 | 70 3 -3.2 -1.1 10 709 3048 90 13 -13.0 0.0 | 80 6 -6.2 -1.1 11 700 3152 70 10 -9.4 -3.4 | 29 5 -2.6 -4.5 12 610 4267 140 4 -2.6 3.1 | 246 5 4.3 1.9 13 566 4877 80 1 -1.0 -0.2 | 282 6 5.9 -1.3 14 500 5890 80 4 -3.9 -0.7 | 302 3 2.9 -1.8 15 487 6096 120 3 -2.6 1.5 | 265 4 4.2 0.4 16 400 7610 305 17 13.9 -9.8 | 298 23 20.8 -10.9 17 399 7620 300 8 6.9 -4.0 | 290 15 13.8 -5.1 18 368 8230 320 24 15.4 -18.4 | 311 30 22.3 -19.5 19 353 8534 320 25 16.1 -19.2 | 312 31 22.9 -20.3 20 339 8839 295 19 17.2 -8.0 | 291 26 24.1 -9.2 21 300 9730 335 19 8.0 -17.2 | 321 24 14.9 -18.3 22 299 9754 335 18 7.6 -16.3 | 320 23 14.4 -17.4 23 262 10668 350 13 2.3 -12.8 | 327 17 9.1 -13.9 24 250 11000 310 9 6.9 -5.8 | 297 15 13.7 -6.9 25 240 11278 320 12 7.7 -9.2 | 305 18 14.6 -10.3 26 219 11887 180 11 0.0 11.0 | 215 12 6.8 9.9 27 200 12480 175 29 -2.5 28.9 | 189 28 4.3 27.8 28 199 12497 175 29 -2.5 28.9 | 189 28 4.3 27.8 29 181 13106 175 29 -2.5 28.9 | 189 28 4.3 27.8 30 156 14021 150 37 -18.5 32.0 | 159 33 -11.7 30.9 31 150 14270 125 17 -13.9 9.8 | 141 11 -7.1 8.6 32 141 14630 120 12 -10.4 6.0 | 144 6 -3.6 4.9 33 134 14935 100 2 -2.0 0.3 | 279 5 4.9 -0.8 34 127 15240 340 10 3.4 -9.4 | 316 15 10.3 -10.5 35 108 16154 345 24 6.2 -23.2 | 332 28 13.1 -24.3 36 103 16459 360 26 -0.0 -26.0 | 346 28 6.8 -27.1 37 100 16610 330 11 5.5 -9.5 | 311 16 12.3 -10.6 38 97 16764 330 11 5.5 -9.5 | 311 16 12.3 -10.6 39 94 16952 300 9 7.8 -4.5 | 291 16 14.6 -5.6 40 92 17069 295 11 10.0 -4.6 | 289 18 16.8 -5.8 41 87 17374 75 5 -4.8 -1.3 | 320 3 2.0 -2.4 42 82 17678 150 15 -7.5 13.0 | 177 12 -0.7 11.9 43 74 18288 110 24 -22.6 8.2 | 114 17 -15.7 7.1 44 70 18590 80 14 -13.8 -2.4 | 63 8 -6.9 -3.6 45 70 18593 110 26 -24.4 8.9 | 114 19 -17.6 7.8 46 63 19202 280 2 2.0 -0.3 | 279 9 8.8 -1.5 47 54 20117 190 2 0.3 2.0 | 263 7 7.2 0.8 48 51 20422 80 12 -11.8 -2.1 | 57 6 -5.0 -3.2 49 50 20560 90 32 -32.0 0.0 | 87 25 -25.2 -1.1 50 45 21031 75 42 -40.6 -10.9 | 70 36 -33.7 -12.0 51 43 21336 70 42 -39.5 -14.4 | 65 36 -32.6 -15.5 52 40 21641 85 50 -49.8 -4.4 | 83 43 -43.0 -5.5 53 35 22250 70 55 -51.7 -18.8 | 66 49 -44.8 -19.9 Wind Parameters Mean winds (0-6000m): 69.3 at 9.2 knts Storm direction: 99.3 at 6.9 knts Shear (0-3000m) pos: 1.8 neg: 0.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 144.9 deg Storm rel helicity (0-3000m) pos: 112.7 neg: -0.5 tot: 112.3 m^2/s^2 ave: 37.4 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.2 10^-3/s Energy-Hel index: 0.65 Bulk Rich Number: 65.27 Bulk Shear: 14.38 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 22 14 354 14| 19.0 0.0 19.0| 69.2 0.0 69.2 138.3 0.84| 23.4 19.6 1000 39 18 16 15| 9.6 0.0 9.6|103.1 0.0 103.1 103.1 0.83| 16.3 13.6 1500 47 17 24 14| 4.4 0.0 4.4|110.3 0.0 110.3 73.5 0.73| 13.6 9.8 2000 53 16 29 12| 2.6 0.0 2.6|110.9 -0.3 110.7 55.3 0.66| 11.2 7.4 2500 58 15 32 10| 2.2 0.0 2.2|112.0 -0.5 111.6 44.6 0.65| 9.4 6.1 3000 62 14 36 10| 1.8 0.4 2.2|112.7 -0.5 112.3 37.4 0.63| 8.3 5.2 4000 67 13 38 8| 0.7 0.3 1.0|114.4 -6.6 107.8 26.9 0.49| 7.9 3.9 5000 69 11 31 6| 0.6 0.3 0.9|119.0 -6.6 112.4 22.5 0.51| 6.9 3.5 6000 69 9 22 5| 0.6 0.3 0.9|120.5 -8.0 112.5 18.8 0.48| 6.1 2.9 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251218.12.gif