UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:1200Z 17 APR 25 Station: KOAK WMO ident: 72493 Latitude: 37.73 Longitude: -122.22 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1013 3 12.4 8.9 79 3.5 10.4 245 8 284.5 285.7 283.0 304.1 7.07 1 1000 117 11.4 8.2 81 3.2 9.6 250 8 284.5 285.7 282.8 303.5 6.83 2 939 639 7.0 6.8 99 0.2 6.9 219 9 285.2 286.4 282.8 303.7 6.61 3 925 763 6.2 6.2 100 0.0 6.2 215 10 285.6 286.8 282.8 303.6 6.43 4 858 1376 2.8 2.8 100 0.0 2.8 240 10 288.3 289.3 282.9 303.8 5.46 5 855 1405 5.0 4.4 96 0.6 4.7 240 10 290.9 292.0 284.7 308.5 6.14 6 854 1414 6.4 4.7 89 1.7 5.5 240 10 292.5 293.6 285.5 310.5 6.28 7 850 1453 7.6 1.6 66 6.0 4.6 240 9 294.1 295.0 284.9 308.9 5.05 8 849 1463 7.6 1.6 66 6.0 4.6 239 9 294.2 295.1 284.9 309.0 5.06 9 847 1482 8.0 2.0 66 6.0 4.9 238 9 294.8 295.8 285.4 310.1 5.22 10 840 1551 9.6 -5.4 34 15.0 2.9 240 10 297.2 297.8 284.0 306.4 3.04 11 838 1571 9.8 -5.2 34 15.0 3.1 244 10 297.6 298.2 284.2 307.0 3.09 12 833 1620 10.0 -6.0 32 16.0 2.9 254 10 298.3 298.9 284.2 307.2 2.93 13 825 1700 9.8 -7.2 29 17.0 2.5 269 9 299.0 299.4 284.2 307.2 2.70 14 817 1781 10.0 -16.0 14 26.0 0.7 285 9 300.0 300.2 283.1 304.3 1.34 15 807 1883 10.2 -20.8 9 31.0 0.0 295 9 301.3 301.4 283.1 304.2 0.90 16 806 1894 10.2 -20.8 9 31.0 0.0 295 9 301.4 301.5 283.1 304.3 0.90 17 777 2197 8.8 -26.2 6 35.0 -1.4 297 11 303.0 303.2 283.4 305.0 0.58 18 766 2315 8.2 -18.8 13 27.0 -1.0 301 10 303.6 303.8 284.3 307.3 1.13 19 759 2391 7.8 -20.2 12 28.0 -1.4 303 10 304.0 304.2 284.3 307.3 1.01 20 755 2434 7.4 -19.6 13 27.0 -1.6 305 10 304.0 304.2 284.4 307.5 1.07 21 750 2489 6.8 -8.2 33 15.0 0.4 306 10 304.0 304.5 286.2 312.5 2.74 22 700 3050 1.6 -9.4 44 11.0 -2.9 330 8 304.3 304.8 286.2 312.6 2.68 23 699 3061 1.4 -9.6 44 11.0 -3.0 330 8 304.2 304.6 286.2 312.4 2.64 24 680 3282 0.0 -13.0 37 13.0 -4.8 326 8 305.0 305.4 285.9 311.5 2.06 25 647 3677 -3.9 -10.9 58 7.0 -6.5 320 9 305.0 305.4 286.4 313.0 2.57 26 624 3962 -5.3 -18.3 35 13.0 -9.4 320 13 306.5 306.8 285.8 311.2 1.45 27 608 4165 -6.9 -16.9 45 10.0 -10.1 329 13 307.0 307.3 286.2 312.4 1.67 28 594 4346 -8.3 -24.3 26 16.0 -12.4 336 13 307.4 307.6 285.5 310.4 0.90 29 587 4438 -9.1 -23.1 31 14.0 -12.8 337 13 307.5 307.7 285.7 310.9 1.01 30 582 4504 -9.5 -26.5 24 17.0 -13.5 339 14 307.8 307.9 285.4 310.3 0.75 31 577 4571 -9.3 -33.3 12 24.0 -14.1 340 14 308.8 308.9 285.4 310.2 0.40 32 558 4829 -11.3 -39.3 8 28.0 -15.9 352 18 309.4 309.4 285.4 310.2 0.23 33 534 5164 -14.1 -38.1 11 24.0 -18.0 348 20 310.0 310.0 285.7 310.9 0.27 34 526 5278 -14.9 -28.9 29 14.0 -17.8 345 20 310.3 310.5 286.2 312.6 0.67 35 525 5292 -15.1 -28.1 32 13.0 -17.9 345 20 310.3 310.4 286.3 312.7 0.72 36 524 5307 -15.1 -30.1 27 15.0 -18.1 345 20 310.4 310.6 286.2 312.5 0.60 37 519 5379 -15.5 -26.5 38 11.0 -17.9 343 21 310.8 311.0 286.6 313.7 0.84 38 516 5423 -15.5 -31.5 24 16.0 -18.6 342 21 311.3 311.4 286.5 313.2 0.53 39 510 5511 -15.9 -34.9 18 19.0 -19.2 344 21 311.9 312.0 286.5 313.2 0.39 40 500 5660 -17.1 -35.1 19 18.0 -20.1 15 22 312.2 312.3 286.6 313.6 0.39 41 447 6488 -23.7 -34.7 36 11.0 -25.4 13 25 314.0 314.1 287.3 315.6 0.45 42 434 6703 -25.5 -37.5 32 12.0 -27.1 15 26 314.4 314.5 287.3 315.7 0.35 43 417 6992 -26.9 -44.9 17 18.0 -28.7 17 27 316.2 316.3 287.7 316.9 0.17 44 408 7148 -28.3 -47.3 14 19.0 -30.0 19 27 316.4 316.4 287.7 316.9 0.13 45 400 7290 -29.5 -47.5 16 18.0 -31.0 20 28 316.6 316.7 287.8 317.1 0.13 46 368 7878 -34.9 -48.9 23 14.0 -35.8 24 35 317.1 317.1 287.9 317.6 0.12 47 352 8187 -37.7 -48.7 31 11.0 -38.4 23 43 317.4 317.4 288.1 317.9 0.13 48 347 8285 -38.3 -47.3 38 9.0 -38.9 23 46 317.9 317.9 288.2 318.5 0.15 49 335 8526 -40.1 -50.1 34 10.0 -40.6 22 53 318.6 318.7 288.4 319.1 0.12 50 316 8922 -43.3 -50.3 46 7.0 -43.6 21 64 319.5 319.6 288.8 320.0 0.12 51 307 9116 -44.9 -51.9 45 7.0 -45.2 20 69 320.0 320.0 288.8 320.4 0.10 52 304 9182 -44.9 -53.9 36 9.0 -45.3 19 74 320.9 320.9 289.1 321.2 0.08 53 300 9270 -45.1 -56.1 28 11.0 -45.5 15 85 321.8 321.8 289.4 322.0 0.06 54 298 9315 -45.3 -57.3 25 12.0 -45.7 14 84 322.1 322.1 289.5 322.3 0.06 55 282 9682 -48.1 -58.1 31 10.0 -48.4 14 90 323.2 323.2 289.8 323.4 0.05 56 275 9847 -49.5 -60.5 26 11.0 -49.8 16 97 323.5 323.5 289.9 323.7 0.04 57 266 10065 -50.3 -62.3 23 12.0 -50.5 20 106 325.5 325.5 290.5 325.6 0.03 58 250 10470 -51.7 -65.7 17 14.0 -52.0 25 95 329.2 329.2 291.5 329.3 0.02 59 200 11890 -59.3 -74.3 13 15.0 -59.5 20 57 338.9 338.9 294.0 338.9 0.01 60 167 13012 -63.9 -79.9 10 16.0 -64.0 340 36 349.1 349.1 296.4 349.1 0.00 61 150 13680 -58.7 -83.7 3 25.0 -58.9 335 29 368.9 368.9 300.4 369.0 0.00 62 100 16220 -57.7 -85.7 2 28.0 -58.1 285 18 416.2 416.2 307.3 416.3 0.00 63 93 16676 -60.1 -86.1 2 26.0 -60.4 271 18 420.2 420.2 307.7 420.2 0.00 64 86 17167 -59.5 -87.5 1 28.0 -59.9 299 18 431.0 431.0 308.9 431.0 0.00 65 76 17938 -61.7 -87.7 2 26.0 -62.0 252 10 441.9 441.9 310.1 441.9 0.00 66 70 18450 -59.9 -87.9 1 28.0 -60.3 275 24 456.2 456.2 311.4 456.2 0.00 67 66 18817 -57.9 -86.9 1 29.0 -58.5 277 20 468.3 468.3 312.5 468.3 0.00 68 51 20427 -60.1 -87.1 2 27.0 -60.7 254 14 499.0 499.0 314.9 499.0 0.00 69 50 20550 -59.1 -87.1 1 28.0 -59.7 240 9 504.2 504.2 315.2 504.2 0.00 70 48 20806 -58.5 -86.5 2 28.0 -59.2 256 14 511.6 511.6 315.8 511.6 0.00 71 45 21210 -60.3 -87.3 2 27.0 -60.9 278 15 516.7 516.7 316.1 516.7 0.00 72 40 21947 -58.9 -86.9 2 28.0 -59.7 284 10 537.9 537.9 317.4 538.0 0.01 73 39 22105 -59.7 -87.7 1 28.0 -60.4 271 10 539.8 539.8 317.5 539.8 0.00 74 38 22268 -57.5 -86.5 1 29.0 -58.5 266 10 549.5 549.5 318.1 549.5 0.01 75 34 22968 -58.9 -86.9 2 28.0 -59.8 52 15 563.5 563.5 318.8 563.6 0.01 76 31 23552 -56.1 -86.1 1 30.0 -57.5 108 9 586.2 586.2 320.0 586.2 0.01 77 30 23760 -56.5 -86.5 1 30.0 -57.9 5 7 590.6 590.6 320.2 590.7 0.01 78 28 24199 -56.1 -86.1 1 30.0 -57.6 23 3 603.5 603.5 320.7 603.5 0.01 79 28 24199 -56.3 -86.3 1 30.0 -57.8 23 3 602.9 602.9 320.7 603.0 0.01 80 26 24673 -54.1 -85.1 1 31.0 -56.1 1 0 622.1 622.1 321.6 622.2 0.01 81 22 25740 -56.7 -86.7 1 30.0 -58.4 119 14 644.8 644.8 322.5 644.9 0.01 82 20 26350 -53.1 -85.1 1 32.0 -55.8 245 13 673.6 673.6 323.6 673.7 0.01 83 17 27407 -49.7 -82.7 1 33.0 -53.7 273 12 716.6 716.6 325.0 716.8 0.03 84 16 27804 -50.1 -83.1 1 33.0 -54.1 327 2 727.8 727.8 325.3 728.0 0.02 85 16 27804 -48.1 -82.1 1 34.0 -52.8 327 2 734.3 734.4 325.5 734.6 0.03 86 13 29166 -51.1 -83.1 1 32.0 -55.4 352 14 768.9 768.9 326.4 769.2 0.03 87 11 30265 -46.5 -81.5 1 35.0 -53.1 188 9 823.2 823.2 327.8 823.7 0.05 88 10 30900 -45.3 -81.3 1 36.0 -52.8 145 4 850.5 850.5 328.4 851.0 0.05 89 9.6 31173 -45.1 -81.1 1 36.0 -52.9 158 5 861.2 861.2 328.7 861.8 0.06 90 9.4 31313 -45.1 -81.1 1 36.0 -53.0 164 6 866.4 866.4 328.8 867.0 0.06 91 8.4 32072 -40.7 -78.7 1 38.0 -51.4 199 9 912.0 912.0 329.7 913.0 0.10 92 7.0 33320 -38.1 -78.1 1 40.0 -51.2 255 15 971.5 971.6 330.7 973.0 0.13 93 6.6 33726 -36.7 -77.7 1 41.0 -51.0 993.9 994.0 331.1 995.6 0.15 TRP 167 13012 -63.9 -79.9 10 16.0 -64.0 340 36 349.1 349.1 296.4 349.1 0.00 WND 266 10065 -50.3 -62.3 23 12.0 -50.5 20 106 325.5 325.5 290.5 325.6 0.03 Sounding variables and indices 1000-500 mb thick: 5543.00 m Freezing level: 680.00 mb = 3282.45 m = 10769.08 ft Wetbulb zero: 805.60 mb = 1897.85 m = 6226.48 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 44.78 % Est. max temperature: 16.02 C = 60.83 F Sfc-Lift cond lev (LCL): 960.92 mb = 447.92 m = 1469.53 ft T: 8.61 C 700-500 lapse rate: 7.16 C/km ThetaE index: 3.72 C Layer 840.0- 838.0 mb Conv cond level (CCL): 937.47 mb = 652.88 m = 2141.98 ft Mean mixing ratio: 6.67 g/kg Conv temperature: 13.19 C = 55.74 F Cap Strength: 11.06 C Lifted Index: 9.36 C Risk: None Lifted Index @300 mb: 13.01 C Lifted Index @700 mb: 9.02 C Showalter Index: 5.91 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 18.70 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 59.20 Risk: None Energy Index: 1.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.04 J/kg Max Up Vert Vel: 3.18 m/s Conv Inhibition (B-): 64769.09 J/kg Cap Strength: 11.04 C Lift Cond Lev (LCL): 940.73 mb = 624.17 m = 2047.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 9 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 1013 3 245 8 7.3 3.4 | 204 14 5.7 12.7 1 1000 117 250 8 7.5 2.7 | 206 13 5.9 12.1 2 978 305 210 10 5.0 8.7 | 191 18 3.4 18.0 3 942 610 220 9 5.8 6.9 | 194 17 4.2 16.3 4 925 763 215 10 5.7 8.2 | 193 18 4.1 17.6 5 908 914 225 11 7.8 7.8 | 200 18 6.2 17.1 6 875 1219 240 13 11.3 6.5 | 211 19 9.7 15.9 7 850 1453 240 9 7.8 4.5 | 204 15 6.2 13.9 8 843 1524 235 10 8.2 5.7 | 204 16 6.6 15.1 9 812 1829 295 9 8.2 -3.8 | 230 9 6.6 5.6 10 782 2134 295 11 10.0 -4.6 | 241 10 8.4 4.7 11 754 2438 305 10 8.2 -5.7 | 241 8 6.6 3.6 12 727 2743 315 8 5.7 -5.7 | 228 6 4.1 3.7 13 700 3048 330 10 5.0 -8.7 | 258 3 3.4 0.7 14 700 3050 330 8 4.0 -6.9 | 225 3 2.4 2.4 15 647 3658 320 9 5.8 -6.9 | 240 5 4.2 2.5 16 622 3962 320 13 8.4 -10.0 | 275 7 6.8 -0.6 17 598 4267 335 13 5.5 -11.8 | 302 5 3.9 -2.4 18 575 4572 340 14 4.8 -13.2 | 320 5 3.2 -3.8 19 553 4877 355 19 1.7 -18.9 | 360 10 0.1 -9.6 20 511 5486 340 21 7.2 -19.7 | 332 12 5.6 -10.4 21 500 5660 15 22 -5.7 -21.3 | 32 14 -7.3 -11.9 22 491 5791 20 22 -7.5 -20.7 | 39 15 -9.1 -11.3 23 471 6096 10 23 -4.0 -22.7 | 23 14 -5.6 -13.3 24 400 7290 20 28 -9.6 -26.3 | 33 20 -11.2 -16.9 25 381 7620 25 28 -11.8 -25.4 | 40 21 -13.4 -16.0 26 306 9144 20 70 -23.9 -65.8 | 24 62 -25.5 -56.4 27 300 9270 15 85 -22.0 -82.1 | 18 76 -23.6 -72.7 28 292 9449 10 81 -14.1 -79.8 | 13 72 -15.7 -70.4 29 266 10065 20 106 -36.3 -99.6 | 23 98 -37.8 -90.2 30 254 10363 20 106 -36.3 -99.6 | 23 98 -37.8 -90.2 31 250 10470 25 95 -40.1 -86.1 | 29 87 -41.7 -76.7 32 231 10973 25 98 -41.4 -88.8 | 28 90 -43.0 -79.5 33 200 11890 20 57 -19.5 -53.6 | 26 49 -21.1 -44.2 34 181 12497 20 31 -10.6 -29.1 | 32 23 -12.2 -19.8 35 173 12802 10 29 -5.0 -28.6 | 19 20 -6.6 -19.2 36 167 13012 340 36 12.3 -33.8 | 336 27 10.7 -24.5 37 164 13106 340 33 11.3 -31.0 | 336 24 9.7 -21.6 38 157 13411 345 41 10.6 -39.6 | 343 32 9.0 -30.2 39 150 13680 335 29 12.3 -26.3 | 328 20 10.7 -16.9 40 135 14326 340 19 6.5 -17.9 | 330 10 4.9 -8.5 41 129 14630 305 13 10.6 -7.5 | 258 9 9.1 1.9 42 123 14935 290 18 16.9 -6.2 | 258 16 15.3 3.2 43 117 15240 315 22 15.6 -15.6 | 294 15 14.0 -6.2 44 111 15545 305 16 13.1 -9.2 | 269 12 11.5 0.2 45 106 15850 305 13 10.6 -7.5 | 258 9 9.1 1.9 46 101 16154 305 20 16.4 -11.5 | 278 15 14.8 -2.1 47 100 16220 285 18 17.4 -4.7 | 253 16 15.8 4.7 48 96 16459 285 18 17.4 -4.7 | 253 16 15.8 4.7 49 92 16764 265 18 17.9 1.6 | 236 20 16.3 10.9 50 87 17069 305 18 14.7 -10.3 | 274 13 13.2 -1.0 51 83 17374 285 18 17.4 -4.7 | 253 16 15.8 4.7 52 79 17678 320 12 7.7 -9.2 | 268 6 6.1 0.2 53 75 17983 240 10 8.7 5.0 | 206 16 7.1 14.4 54 72 18288 240 15 13.0 7.5 | 214 20 11.4 16.9 55 70 18450 275 24 23.9 -2.1 | 252 23 22.3 7.3 56 68 18593 270 24 24.0 -0.0 | 247 24 22.4 9.4 57 65 18898 280 18 17.7 -3.1 | 249 17 16.1 6.2 58 62 19202 235 12 9.8 6.9 | 207 18 8.2 16.2 59 54 20117 270 11 11.0 -0.0 | 225 13 9.4 9.4 60 51 20422 255 14 13.5 3.6 | 223 18 11.9 13.0 61 50 20550 240 9 7.8 4.5 | 204 15 6.2 13.9 62 49 20726 255 13 12.6 3.4 | 221 17 11.0 12.7 63 46 21031 260 16 15.8 2.8 | 229 19 14.2 12.1 64 44 21336 290 14 13.2 -4.8 | 248 12 11.6 4.6 65 42 21641 310 10 7.7 -6.4 | 244 7 6.1 2.9 66 38 22250 260 10 9.8 1.7 | 217 14 8.3 11.1 67 36 22555 335 14 5.9 -12.7 | 308 5 4.3 -3.3 68 35 22860 30 16 -8.0 -13.9 | 65 11 -9.6 -4.5 69 31 23470 150 10 -5.0 8.7 | 160 19 -6.6 18.0 70 30 23760 5 7 -0.6 -7.0 | 137 3 -2.2 2.4 71 27 24384 30 2 -1.0 -1.7 | 161 8 -2.6 7.6 72 26 24689 0 0 -0.0 -0.0 | 170 9 -1.6 9.4 73 25 24994 45 10 -7.1 -7.1 | 105 9 -8.7 2.3 74 22 25603 90 14 -14.0 0.0 | 121 18 -15.6 9.4 75 20 26350 245 13 11.8 5.5 | 214 18 10.2 14.9 76 19 26518 195 11 2.8 10.6 | 184 20 1.3 20.0 77 19 26822 250 13 12.2 4.4 | 218 17 10.6 13.8 78 18 27127 235 10 8.2 5.7 | 204 16 6.6 15.1 79 17 27432 275 12 12.0 -1.0 | 231 13 10.4 8.3 80 16 27737 325 1 0.6 -0.8 | 173 9 -1.0 8.5 81 14 28651 345 10 2.6 -9.7 | 287 1 1.0 -0.3 82 13 28956 345 13 3.4 -12.6 | 331 4 1.8 -3.2 83 13 29261 355 14 1.2 -13.9 | 5 5 -0.4 -4.6 84 11 30175 195 10 2.6 9.7 | 183 19 1.0 19.0 85 10 30900 145 4 -2.3 3.3 | 163 13 -3.9 12.6 86 7 33320 255 15 14.5 3.9 | 224 18 12.9 13.2 Wind Parameters Mean winds (0-6000m): 320.3 at 12.7 knts Storm direction: 350.3 at 9.5 knts Shear (0-3000m) pos: 2.7 neg: 0.8 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 48.2 deg Storm rel helicity (0-3000m) pos: 59.4 neg: -29.8 tot: 29.6 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 34.81 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 ------------------------------------------------------------------------------- 500 225 9 197 16| 0.0 4.6 4.6| 5.1 -17.9 -12.8 -25.6 -0.37| 8.5 -3.1 1000 223 10 197 17| 1.7 2.3 4.0| 20.8 -18.7 2.1 2.1 0.01| 6.6 0.0 1500 228 10 200 17| 1.1 1.5 2.7| 32.8 -27.6 5.2 3.5 0.03| 6.5 0.2 2000 238 10 205 16| 3.2 1.1 4.3| 55.4 -27.6 27.8 13.9 0.25| 7.6 1.9 2500 250 10 212 15| 2.8 0.9 3.7| 57.4 -28.1 29.3 11.7 0.24| 6.7 1.6 3000 260 10 217 14| 2.7 0.8 3.5| 59.4 -29.8 29.6 9.9 0.23| 6.3 1.5 4000 278 10 225 11| 2.0 0.3 2.3| 66.0 -31.3 34.6 8.7 0.26| 5.7 1.5 5000 299 11 243 9| 2.6 0.2 2.9| 79.4 -33.5 45.9 9.2 0.34| 5.8 2.0 6000 320 13 273 6| 2.7 0.4 3.1|124.5 -53.0 71.4 11.9 0.35| 6.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250417.12.gif