UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for SB099... Searching the city database file for: SB099 ... Date:0000Z 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 1007 21 27.4 23.0 77 4.4 24.2 35 11 300.0 303.2 297.1 352.2 17.83 1 1000 82 27.0 23.9 83 3.1 24.7 35 11 300.1 303.6 297.9 355.9 19.00 2 938 648 22.8 22.5 98 0.3 22.6 55 22 301.4 304.8 298.0 356.2 18.60 3 925 770 22.0 21.1 95 0.9 21.3 55 23 301.8 305.0 297.3 352.8 17.28 4 872 1282 19.0 16.1 83 2.9 17.0 58 17 303.8 306.3 295.1 343.4 13.32 5 850 1502 17.6 17.2 98 0.4 17.3 70 15 304.6 307.3 296.3 348.4 14.68 6 847 1532 17.4 16.9 97 0.5 17.1 84 12 304.7 307.4 296.1 347.8 14.45 7 730 2795 12.2 10.0 86 2.2 10.8 87 11 312.2 314.2 295.5 345.0 10.63 8 700 3147 10.0 8.1 88 1.9 8.8 105 12 313.6 315.4 295.2 343.7 9.74 9 678 3412 8.2 8.2 100 0.0 8.2 115 11 314.4 316.4 295.7 345.9 10.13 10 617 4187 4.0 0.8 80 3.2 2.2 171 5 318.2 319.5 294.1 339.2 6.59 11 585 4621 3.0 -0.5 78 3.5 1.1 80 2 321.9 323.2 294.9 342.4 6.32 12 528 5446 -2.1 -2.7 96 0.6 -2.4 305 11 325.4 326.5 295.5 344.9 5.95 13 507 5769 -1.9 -6.9 69 5.0 -4.3 337 11 329.4 330.3 295.4 344.6 4.50 14 500 5880 -2.5 -7.5 68 5.0 -4.9 340 15 330.0 330.9 295.4 344.7 4.36 15 418 7275 -12.7 -14.4 87 1.7 -13.4 318 13 334.2 334.9 295.4 344.7 3.00 16 402 7572 -13.9 -19.9 60 6.0 -15.9 285 20 336.4 336.8 295.1 343.5 1.96 17 400 7610 -13.9 -24.9 39 11.0 -17.1 280 21 336.9 337.2 294.7 341.6 1.27 18 394 7725 -14.3 -37.3 12 23.0 -19.0 283 25 337.9 337.9 294.1 339.4 0.39 19 371 8179 -17.7 -34.7 21 17.0 -21.2 298 28 339.2 339.3 294.6 341.3 0.54 20 352 8570 -21.3 -34.3 30 13.0 -23.8 305 32 339.5 339.6 294.7 341.8 0.59 21 337 8890 -23.7 -40.7 19 17.0 -26.3 299 36 340.5 340.5 294.7 341.8 0.32 22 329 9065 -24.9 -51.9 6 27.0 -27.8 295 34 341.2 341.2 294.7 341.6 0.10 23 300 9730 -30.1 -42.1 30 12.0 -31.6 295 18 343.0 343.0 295.3 344.2 0.31 24 299 9754 -30.3 -41.3 33 11.0 -31.7 295 18 343.0 343.1 295.4 344.4 0.34 25 289 9994 -32.3 -35.0 77 2.7 -32.7 291 14 343.5 343.6 295.8 346.1 0.68 26 272 10419 -35.3 -37.2 83 1.9 -35.5 309 11 345.2 345.3 296.1 347.4 0.58 27 250 11000 -40.3 -43.0 75 2.7 -40.6 70 4 346.2 346.2 296.1 347.5 0.34 28 227 11650 -46.1 -48.6 76 2.5 -46.3 19 1 347.0 347.0 296.1 347.8 0.20 29 211 12132 -49.5 -57.5 39 8.0 -49.8 129 10 349.0 349.0 296.5 349.3 0.08 30 204 12352 -51.9 -56.9 55 5.0 -52.1 162 20 348.6 348.6 296.4 349.0 0.09 31 200 12480 -52.3 -59.3 43 7.0 -52.5 160 25 349.9 350.0 296.7 350.2 0.06 32 164 13735 -62.9 -66.7 60 3.8 -63.0 144 41 352.6 352.6 297.2 352.7 0.03 33 151 14240 -66.7 -71.7 49 5.0 -66.7 153 27 354.5 354.5 297.6 354.6 0.02 34 150 14280 -66.7 -71.7 49 5.0 -66.7 155 24 355.2 355.2 297.7 355.3 0.02 35 137 14820 -70.1 -78.1 30 8.0 -70.1 151 16 358.5 358.5 298.4 358.5 0.01 36 100 16620 -83.9 -89.9 34 6.0 -83.9 300 14 365.6 365.6 299.8 365.6 0.00 37 90 17199 -87.1 -92.1 39 5.0 -87.1 335 17 370.4 370.4 300.7 370.4 0.00 38 84 17578 -84.1 -90.1 34 6.0 -84.1 354 13 383.9 383.9 302.9 383.9 0.00 39 80 17847 -86.3 -90.7 45 4.4 -86.3 63 12 384.8 384.8 303.0 384.8 0.00 40 78 17985 -87.1 -92.1 39 5.0 -87.1 101 12 385.9 385.9 303.2 385.9 0.00 41 74 18274 -84.1 -92.1 23 8.0 -84.1 120 19 398.1 398.1 304.9 398.1 0.00 42 70 18590 -74.5 -86.5 14 12.0 -74.6 190 4 425.0 425.0 308.3 425.0 0.00 43 68 18759 -71.7 -86.7 9 15.0 -71.8 105 18 434.6 434.6 309.3 434.6 0.00 44 51 20427 -78.1 -89.1 15 11.0 -78.1 143 11 456.9 456.9 311.5 456.9 0.00 45 50 20540 -76.7 -89.7 11 13.0 -76.7 120 15 462.8 462.8 312.0 462.8 0.00 46 48 20775 -76.1 -91.1 8 15.0 -76.2 139 9 469.6 469.6 312.6 469.6 0.00 47 45 21156 -67.5 -89.5 3 22.0 -67.7 104 22 499.2 499.2 314.9 499.3 0.00 48 43 21429 -68.7 -90.7 3 22.0 -68.9 97 37 502.8 502.8 315.1 502.8 0.00 49 36 22509 -62.7 -89.7 1 27.0 -63.3 93 52 544.6 544.6 317.8 544.6 0.00 TRP 90 17199 -87.1 -92.1 39 5.0 -87.1 335 17 370.4 370.4 300.7 370.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 551.47 mb = 5105.93 m = 16751.54 ft Wetbulb zero: 567.58 mb = 4863.93 m = 15957.58 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 88.16 % Est. max temperature: 31.80 C = 89.23 F Sfc-Lift cond lev (LCL): 944.94 mb = 582.56 m = 1911.26 ft T: 23.28 C 700-500 lapse rate: 4.57 C/km ThetaE index: 12.84 C Layer 925.0- 850.0 mb Conv cond level (CCL): 924.59 mb = 773.89 m = 2538.96 ft Mean mixing ratio: 18.24 g/kg Conv temperature: 29.28 C = 84.70 F Cap Strength: 0.41 C Lifted Index: -1.23 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.28 C Lifted Index @700 mb: -1.86 C Showalter Index: 1.05 C Risk: Showers probable Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 19.70 C K Index: 35.40 Risk: > 80 % chance of thunderstorms Sweat Index: 251.40 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1384.32 J/kg Max Up Vert Vel: 52.62 m/s Conv Inhibition (B-): 1.47 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 934.70 mb = 678.62 m = 2226.43 ft Lev Free Conv (LFC): 909.70 mb = 914.75 m = 3001.12 ft Equ Level (EL): 149.70 mb = 14292.03 m = 46889.29 ft B at Equ Level: 1378.95 J/kg Max Parcel Lev (MPL): 79.70 mb = 17867.59 m = 58620.00 ft Wind level data Storm motion: 95 at 8 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 1007 21 35 11 -6.3 -9.0 | 348 10 2.0 -9.7 1 1000 82 35 11 -6.3 -9.0 | 348 10 2.0 -9.7 2 975 305 35 19 -10.9 -15.6 | 9 16 -2.5 -16.3 3 942 610 55 22 -18.0 -12.6 | 36 16 -9.7 -13.3 4 925 770 55 23 -18.8 -13.2 | 37 17 -10.5 -13.9 5 910 914 60 23 -19.9 -11.5 | 43 17 -11.6 -12.2 6 878 1219 55 17 -13.9 -9.8 | 28 12 -5.6 -10.5 7 850 1502 70 15 -14.1 -5.1 | 45 8 -5.7 -5.8 8 848 1524 85 12 -12.0 -1.0 | 64 4 -3.6 -1.8 9 818 1829 65 11 -10.0 -4.6 | 17 6 -1.6 -5.4 10 789 2134 100 10 -9.8 1.7 | 125 2 -1.5 1.0 11 761 2438 90 10 -10.0 0.0 | 67 2 -1.6 -0.7 12 708 3048 85 11 -11.0 -1.0 | 57 3 -2.6 -1.7 13 700 3147 105 12 -11.6 3.1 | 127 4 -3.2 2.4 14 657 3658 125 11 -9.0 6.3 | 173 6 -0.7 5.6 15 610 4267 180 4 0.0 4.0 | 248 9 8.4 3.3 16 566 4877 0 0 -0.0 -0.0 | 275 8 8.4 -0.7 17 525 5486 300 12 10.4 -6.0 | 290 20 18.7 -6.7 18 505 5791 340 11 3.8 -10.3 | 312 16 12.1 -11.0 19 500 5880 340 15 5.1 -14.1 | 318 20 13.5 -14.8 20 486 6096 325 22 12.6 -18.0 | 312 28 21.0 -18.7 21 449 6706 320 17 10.9 -13.0 | 305 24 19.3 -13.7 22 432 7010 335 15 6.3 -13.6 | 314 21 14.7 -14.3 23 416 7315 315 13 9.2 -9.2 | 299 20 17.5 -9.9 24 400 7610 280 21 20.7 -3.6 | 279 29 29.0 -4.4 25 399 7620 280 24 23.6 -4.2 | 279 32 32.0 -4.9 26 368 8230 300 29 25.1 -14.5 | 294 37 33.5 -15.2 27 353 8534 305 32 26.2 -18.4 | 299 39 34.6 -19.1 28 339 8839 300 36 31.2 -18.0 | 295 44 39.5 -18.7 29 312 9449 285 29 28.0 -7.5 | 283 37 36.4 -8.2 30 300 9730 295 18 16.3 -7.6 | 289 26 24.7 -8.3 31 286 10058 290 13 12.2 -4.4 | 284 21 20.6 -5.2 32 274 10363 315 13 9.2 -9.2 | 299 20 17.5 -9.9 33 262 10668 280 2 2.0 -0.3 | 276 10 10.3 -1.1 34 250 11000 70 4 -3.8 -1.4 | 294 5 4.6 -2.1 35 219 11887 0 0 -0.0 -0.0 | 275 8 8.4 -0.7 36 209 12192 165 13 -3.4 12.6 | 203 13 5.0 11.9 37 200 12480 160 25 -8.6 23.5 | 180 23 -0.2 22.8 38 156 14021 140 45 -28.9 34.5 | 149 40 -20.6 33.8 39 150 14280 155 24 -10.1 21.8 | 175 21 -1.8 21.0 40 134 14935 150 14 -7.0 12.1 | 187 11 1.4 11.4 41 120 15545 320 12 7.7 -9.2 | 302 19 16.1 -9.9 42 108 16154 340 29 9.9 -27.3 | 327 33 18.3 -28.0 43 100 16620 300 14 12.1 -7.0 | 291 22 20.5 -7.7 44 97 16764 305 14 11.5 -8.0 | 294 22 19.8 -8.7 45 90 17199 335 17 7.2 -15.4 | 316 22 15.5 -16.1 46 87 17374 310 17 13.0 -10.9 | 299 24 21.4 -11.6 47 83 17678 15 11 -2.8 -10.6 | 334 13 5.5 -11.3 48 78 17983 100 12 -11.8 2.1 | 112 4 -3.5 1.4 49 74 18288 120 19 -16.5 9.5 | 137 12 -8.1 8.8 50 70 18590 190 4 0.7 3.9 | 250 10 9.1 3.2 51 70 18593 110 22 -20.7 7.5 | 119 14 -12.3 6.8 52 66 18898 100 15 -14.8 2.6 | 106 7 -6.4 1.9 53 63 19202 250 15 14.1 5.1 | 259 23 22.5 4.4 54 60 19507 230 13 10.0 8.4 | 247 20 18.3 7.6 55 57 19812 240 10 8.7 5.0 | 256 18 17.0 4.3 56 54 20117 205 2 0.8 1.8 | 263 9 9.2 1.1 57 50 20540 120 15 -13.0 7.5 | 146 8 -4.6 6.8 58 48 20726 140 9 -5.8 6.9 | 203 7 2.6 6.2 59 45 21031 105 21 -20.3 5.4 | 112 13 -11.9 4.7 60 42 21336 95 41 -40.8 3.6 | 95 33 -32.5 2.9 61 40 21641 85 49 -48.8 -4.3 | 83 41 -40.5 -5.0 62 33 22555 100 54 -53.2 9.4 | 101 46 -44.8 8.7 63 31 22860 90 49 -49.0 0.0 | 89 41 -40.6 -0.7 Wind Parameters Mean winds (0-6000m): 64.8 at 11.2 knts Storm direction: 94.8 at 8.4 knts Shear (0-3000m) pos: 1.7 neg: 0.2 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 69.6 deg Storm rel helicity (0-3000m) pos: 71.4 neg: -19.1 tot: 52.3 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 2.5 10^-3/s Energy-Hel index: 0.61 Bulk Rich Number: 153.86 Bulk Shear: 9.00 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 39 17 9 14| 11.1 0.0 11.1| 38.4 0.0 38.4 76.9 0.75| 13.6 10.2 1000 49 20 25 15| 6.0 0.0 6.0| 58.4 -5.0 53.3 53.3 0.65| 10.5 6.8 1500 52 19 28 14| 3.3 0.0 3.3| 68.1 -13.9 54.2 36.1 0.46| 11.3 5.3 2000 56 17 29 11| 2.4 0.0 2.4| 70.5 -18.2 52.3 26.1 0.35| 10.5 3.7 2500 61 15 32 10| 2.0 0.0 2.0| 71.4 -18.9 52.5 21.0 0.33| 9.2 3.1 3000 64 15 34 9| 1.7 0.2 1.9| 71.4 -19.1 52.3 17.4 0.32| 7.9 2.5 4000 75 14 47 6| 2.2 0.1 2.3| 90.0 -19.1 70.9 17.7 0.47| 7.8 3.7 5000 77 11 39 4| 1.7 1.0 2.8|109.0 -20.0 88.9 17.8 0.51| 7.6 3.8 6000 65 11 18 6| 0.6 1.5 2.2|151.0 -33.3 117.7 19.6 0.44| 8.5 3.8 Wrote GIF file: /home/apache/climate/data/raob//SB099/skewt/SB099.skewt.20251218.00.gif