UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 19 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 1016 3 15.4 10.4 72 5.0 12.5 295 14 287.2 288.6 284.9 309.1 7.81 1 1011 44 13.2 9.4 78 3.8 11.0 293 14 285.5 286.7 283.7 305.9 7.33 2 1000 135 12.2 8.9 80 3.3 10.3 290 14 285.4 286.6 283.5 305.3 7.17 3 995 177 11.6 8.8 83 2.8 10.0 292 13 285.2 286.4 283.4 305.0 7.15 4 977 330 11.2 8.3 82 2.9 9.6 302 8 286.2 287.5 283.8 305.9 7.04 5 947 591 11.2 7.5 78 3.7 9.2 324 3 288.8 290.0 284.7 308.3 6.88 6 942 636 12.6 6.6 67 6.0 9.3 332 4 290.7 291.8 285.0 309.2 6.49 7 935 698 12.4 6.4 67 6.0 9.1 350 8 291.1 292.2 285.1 309.6 6.45 8 925 789 13.4 2.4 47 11.0 7.8 15 13 293.0 293.9 284.3 307.3 4.92 9 923 807 13.4 1.4 44 12.0 7.3 14 14 293.2 294.0 284.0 306.6 4.58 10 917 862 13.4 -0.6 38 14.0 6.6 12 16 293.7 294.5 283.6 305.5 3.99 11 915 880 13.0 1.0 44 12.0 7.0 11 17 293.5 294.3 284.1 306.7 4.49 12 901 1009 12.4 -2.6 35 15.0 5.4 7 22 294.2 294.8 283.2 304.6 3.50 13 895 1065 12.6 -8.4 22 21.0 3.9 5 24 295.0 295.4 282.1 301.8 2.26 14 879 1216 12.2 -12.8 16 25.0 2.7 0 29 296.1 296.4 281.8 301.1 1.62 15 866 1341 11.4 -12.6 17 24.0 2.2 353 27 296.5 296.8 282.0 301.7 1.67 16 862 1379 11.6 -12.4 17 24.0 2.4 351 26 297.1 297.4 282.3 302.4 1.71 17 850 1496 11.0 -11.0 20 22.0 2.3 345 24 297.7 298.0 282.8 303.7 1.94 18 807 1926 7.4 -12.6 23 20.0 -0.1 341 27 298.3 298.6 283.0 303.9 1.80 19 770 2310 4.4 -23.6 11 28.0 -3.6 348 26 299.1 299.2 282.0 301.5 0.74 20 756 2459 5.0 -28.0 7 33.0 -3.8 350 25 301.3 301.4 282.6 303.0 0.50 21 717 2888 2.0 -28.0 9 30.0 -5.7 359 25 302.6 302.7 283.1 304.4 0.53 22 703 3048 2.0 -26.0 10 28.0 -5.7 4 25 304.3 304.4 284.0 306.5 0.65 23 700 3082 2.0 -26.0 10 28.0 -5.7 5 25 304.7 304.8 284.1 306.9 0.66 24 698 3105 2.2 -25.8 10 28.0 -5.5 5 25 305.2 305.3 284.4 307.4 0.67 25 649 3690 -0.9 -22.9 17 22.0 -7.3 5 28 308.1 308.3 285.8 311.2 0.93 26 640 3801 -1.1 -17.1 28 16.0 -6.5 2 29 309.1 309.4 286.8 314.2 1.56 27 620 4054 -2.1 -18.1 28 16.0 -7.4 356 30 310.8 311.0 287.3 315.6 1.48 28 549 5010 -8.5 -26.5 22 18.0 -13.0 359 36 314.2 314.3 287.7 316.9 0.80 29 539 5152 -8.7 -32.7 12 24.0 -13.9 358 38 315.6 315.7 287.8 317.2 0.45 30 533 5239 -9.5 -37.5 8 28.0 -14.7 358 39 315.6 315.7 287.6 316.7 0.29 31 527 5326 -10.1 -31.1 16 21.0 -14.7 357 40 315.9 316.0 288.1 317.8 0.54 32 500 5730 -12.7 -36.7 11 24.0 -17.1 355 45 317.6 317.6 288.3 318.8 0.33 33 494 5822 -13.1 -37.1 11 24.0 -17.4 356 46 318.2 318.2 288.5 319.3 0.32 34 455 6440 -18.1 -40.1 13 22.0 -21.4 6 50 319.5 319.5 288.9 320.4 0.26 35 438 6723 -19.7 -43.7 10 24.0 -22.9 10 49 320.9 321.0 289.2 321.6 0.18 36 436 6757 -19.3 -45.3 8 26.0 -22.7 11 49 321.9 321.9 289.5 322.5 0.15 37 414 7139 -22.3 -49.3 7 27.0 -25.2 15 50 322.8 322.8 289.8 323.2 0.10 38 400 7390 -24.5 -48.5 9 24.0 -26.9 15 52 323.1 323.2 289.9 323.6 0.12 39 322 8934 -36.7 -56.7 11 20.0 -37.8 353 54 327.0 327.0 290.9 327.2 0.06 40 300 9420 -41.3 -58.3 14 17.0 -42.0 350 57 327.2 327.2 291.0 327.3 0.05 41 295 9534 -42.3 -58.3 16 16.0 -42.9 349 58 327.3 327.3 291.0 327.5 0.05 42 283 9813 -44.5 -58.5 20 14.0 -45.0 348 60 328.1 328.1 291.2 328.3 0.05 43 268 10175 -47.5 -64.5 12 17.0 -47.9 346 63 328.8 328.8 291.4 328.9 0.02 44 253 10552 -50.3 -66.3 13 16.0 -50.6 349 65 330.2 330.2 291.8 330.2 0.02 45 250 10630 -51.1 -66.1 15 15.0 -51.4 350 65 330.1 330.1 291.7 330.2 0.02 46 229 11193 -55.9 -66.9 24 11.0 -56.1 354 67 331.2 331.2 292.0 331.3 0.02 47 224 11333 -57.1 -65.1 36 8.0 -57.2 355 67 331.4 331.4 292.2 331.5 0.03 48 218 11504 -58.3 -68.3 27 10.0 -58.4 356 67 332.2 332.2 292.3 332.2 0.02 49 210 11738 -60.3 -67.3 39 7.0 -60.4 358 68 332.6 332.6 292.4 332.7 0.02 50 200 12040 -62.5 -70.5 33 8.0 -62.6 360 69 333.8 333.8 292.7 333.8 0.01 51 195 12196 -63.3 -72.3 28 9.0 -63.4 360 69 334.9 334.9 293.0 335.0 0.01 52 185 12517 -65.9 -71.9 43 6.0 -66.0 359 69 335.8 335.8 293.3 335.9 0.01 53 182 12617 -66.5 -73.5 37 7.0 -66.5 356 71 336.4 336.4 293.4 336.4 0.01 54 180 12683 -66.5 -73.5 37 7.0 -66.5 354 73 337.5 337.5 293.7 337.5 0.01 55 177 12785 -66.3 -74.3 32 8.0 -66.4 351 76 339.4 339.4 294.2 339.5 0.01 56 176 12819 -66.6 -74.4 32 7.9 -66.6 350 77 339.6 339.6 294.2 339.6 0.01 57 170 13029 -68.1 -75.1 36 7.0 -68.1 355 72 340.4 340.4 294.4 340.4 0.01 58 156 13544 -68.7 -77.7 26 9.0 -68.8 350 67 347.8 347.8 296.1 347.8 0.01 59 150 13780 -66.5 -78.5 17 12.0 -66.6 350 62 355.5 355.5 297.8 355.6 0.01 60 147 13902 -66.3 -79.3 15 13.0 -66.4 351 60 357.9 357.9 298.3 358.0 0.01 61 100 16240 -63.7 -87.7 2 24.0 -63.9 330 31 404.7 404.7 305.8 404.7 0.00 62 94 16620 -64.7 -88.7 2 24.0 -64.9 323 32 409.9 409.9 306.5 409.9 0.00 63 78 17767 -62.7 -88.7 2 26.0 -63.0 308 32 436.5 436.5 309.5 436.5 0.00 64 70 18440 -59.7 -87.7 1 28.0 -60.2 325 28 456.7 456.7 311.5 456.7 0.00 65 66 18809 -58.3 -87.3 1 29.0 -58.9 324 24 467.5 467.5 312.4 467.5 0.00 66 64 19002 -59.7 -87.7 1 28.0 -60.2 318 21 468.5 468.5 312.5 468.5 0.00 67 55 19958 -56.3 -87.3 1 31.0 -57.1 310 14 497.1 497.1 314.7 497.1 0.00 68 50 20560 -58.7 -87.7 1 29.0 -59.4 305 6 505.2 505.2 315.3 505.2 0.00 69 49 20686 -59.5 -88.5 1 29.0 -60.1 282 10 506.2 506.2 315.4 506.2 0.00 70 36 22628 -55.7 -87.7 1 32.0 -57.0 298 10 562.7 562.7 318.8 562.7 0.00 71 32 23372 -58.1 -88.1 1 30.0 -59.2 123 10 575.5 575.5 319.5 575.6 0.01 72 30 23780 -55.9 -87.9 1 32.0 -57.3 250 12 592.2 592.2 320.3 592.3 0.01 73 26 24702 -51.7 -85.7 1 34.0 -54.2 297 3 628.9 628.9 321.9 629.0 0.01 74 23 25495 -54.1 -86.1 1 32.0 -56.3 167 9 644.3 644.3 322.4 644.4 0.01 75 21 26083 -51.5 -85.5 1 34.0 -54.5 213 12 669.1 669.1 323.4 669.2 0.01 76 20 26400 -51.9 -85.9 1 34.0 -54.9 260 8 677.3 677.3 323.7 677.4 0.01 77 18 27084 -50.9 -84.9 1 34.0 -54.4 285 15 701.2 701.2 324.5 701.3 0.02 78 17 27455 -51.5 -85.5 1 34.0 -54.9 294 10 710.8 710.8 324.8 710.9 0.02 79 16 27851 -48.9 -83.9 1 35.0 -53.4 278 13 731.7 731.7 325.4 731.9 0.02 80 15 28272 -50.9 -84.9 1 34.0 -54.8 342 10 738.7 738.7 325.6 738.9 0.02 81 13 29209 -48.1 -84.1 1 36.0 -53.5 264 10 779.3 779.3 326.7 779.5 0.03 82 12 29744 -41.9 -81.9 1 40.0 -50.4 269 10 819.3 819.3 327.7 819.7 0.04 83 11 30334 -41.1 -81.1 1 40.0 -50.4 264 9 842.8 842.9 328.2 843.3 0.05 84 10 30980 -41.9 -80.9 1 39.0 -51.1 190 6 863.1 863.2 328.7 863.7 0.06 85 9.1 31624 -38.1 -80.1 0 42.0 -49.9 901.3 901.3 329.5 902.1 0.07 TRP 170 13029 -68.1 -75.1 36 7.0 -68.1 355 72 340.4 340.4 294.4 340.4 0.01 WND 176 12819 -66.6 -74.4 32 7.9 -66.6 350 77 339.6 339.6 294.2 339.6 0.01 Sounding variables and indices 1000-500 mb thick: 5595.00 m Freezing level: 663.23 mb = 3519.99 m = 11548.39 ft Wetbulb zero: 808.74 mb = 1907.79 m = 6259.08 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 26.28 % Est. max temperature: 24.70 C = 76.46 F Sfc-Lift cond lev (LCL): 942.71 mb = 629.38 m = 2064.87 ft T: 12.40 C 700-500 lapse rate: 5.55 C/km ThetaE index: 5.57 C Layer 901.0- 866.0 mb Conv cond level (CCL): 733.61 mb = 2702.82 m = 8867.42 ft Mean mixing ratio: 6.63 g/kg Conv temperature: 30.28 C = 86.50 F Cap Strength: 11.20 C Lifted Index: 11.60 C Risk: None Lifted Index @300 mb: 14.52 C Lifted Index @700 mb: 7.66 C Showalter Index: 13.76 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 1.70 C K Index: -15.30 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.64 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 52716.01 J/kg Cap Strength: 11.46 C Lift Cond Lev (LCL): 896.34 mb = 1052.76 m = 3453.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 25 at 21 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 1016 3 295 14 12.7 -5.9 | 239 25 21.4 13.0 1 1000 135 290 14 13.2 -4.8 | 237 26 21.8 14.1 2 980 305 300 8 6.9 -4.0 | 226 22 15.6 14.9 3 945 610 325 3 1.7 -2.5 | 212 19 10.4 16.5 4 925 789 15 13 -3.4 -12.6 | 220 8 5.3 6.4 5 911 914 10 19 -3.3 -18.7 | 268 5 5.4 0.2 6 879 1219 360 29 -0.0 -29.0 | 319 13 8.7 -10.1 7 850 1496 345 24 6.2 -23.2 | 286 15 14.9 -4.3 8 816 1829 340 26 8.9 -24.4 | 287 18 17.6 -5.5 9 786 2134 345 28 7.2 -27.0 | 297 18 15.9 -8.1 10 757 2438 350 25 4.3 -24.6 | 294 14 13.0 -5.7 11 730 2743 355 25 2.2 -24.9 | 299 12 10.9 -6.0 12 700 3082 5 25 -2.2 -24.9 | 313 9 6.5 -6.0 13 676 3353 10 26 -4.5 -25.6 | 328 8 4.2 -6.7 14 651 3658 5 28 -2.4 -27.9 | 325 11 6.2 -9.0 15 602 4267 350 32 5.6 -31.5 | 312 19 14.2 -12.6 16 557 4877 360 35 -0.0 -35.0 | 332 18 8.7 -16.1 17 500 5730 355 45 3.9 -44.8 | 334 29 12.6 -25.9 18 476 6096 360 50 -0.0 -50.0 | 344 32 8.7 -31.1 19 421 7010 15 49 -12.7 -47.3 | 8 29 -4.0 -28.4 20 400 7390 15 52 -13.5 -50.2 | 9 32 -4.8 -31.3 21 387 7620 10 52 -9.0 -51.2 | 1 32 -0.3 -32.3 22 312 9144 350 54 9.4 -53.2 | 332 39 18.1 -34.3 23 300 9420 350 57 9.9 -56.1 | 333 42 18.6 -37.2 24 260 10363 345 65 16.8 -62.8 | 330 51 25.5 -43.9 25 250 10630 350 65 11.3 -64.0 | 336 49 20.0 -45.1 26 200 12040 360 69 -0.0 -69.0 | 350 51 8.7 -50.1 27 186 12497 360 68 -0.0 -68.0 | 350 50 8.7 -49.1 28 176 12819 350 77 13.4 -75.8 | 339 61 22.1 -56.9 29 170 13029 355 72 6.3 -71.7 | 344 55 15.0 -52.8 30 168 13106 350 77 13.4 -75.8 | 339 61 22.1 -56.9 31 150 13780 350 62 10.8 -61.1 | 335 46 19.4 -42.2 32 137 14326 355 51 4.4 -50.8 | 338 34 13.1 -31.9 33 130 14630 335 51 21.6 -46.2 | 312 41 30.2 -27.3 34 118 15240 340 43 14.7 -40.4 | 313 32 23.4 -21.5 35 112 15545 350 38 6.6 -37.4 | 320 24 15.3 -18.5 36 107 15850 320 40 25.7 -30.6 | 289 36 34.4 -11.7 37 100 16240 330 31 15.5 -26.8 | 288 25 24.2 -7.9 38 97 16459 330 31 15.5 -26.8 | 288 25 24.2 -7.9 39 87 17069 305 33 27.0 -18.9 | 270 36 35.7 -0.0 40 79 17678 305 31 25.4 -17.8 | 268 34 34.1 1.1 41 75 17983 315 35 24.7 -24.7 | 280 34 33.4 -5.8 42 72 18288 325 22 12.6 -18.0 | 268 21 21.3 0.9 43 70 18440 325 28 16.1 -22.9 | 279 25 24.7 -4.0 44 68 18593 320 28 18.0 -21.4 | 275 27 26.7 -2.5 45 65 18898 325 23 13.2 -18.8 | 270 22 21.9 0.1 46 59 19507 285 14 13.5 -3.6 | 235 27 22.2 15.3 47 56 19812 320 15 9.6 -11.5 | 248 20 18.3 7.4 48 54 20117 300 13 11.3 -6.5 | 238 23 19.9 12.4 49 51 20422 280 13 12.8 -2.3 | 232 27 21.5 16.7 50 50 20560 305 6 4.9 -3.4 | 221 21 13.6 15.5 51 49 20726 275 11 11.0 -1.0 | 228 27 19.6 17.9 52 46 21031 310 10 7.7 -6.4 | 233 21 16.3 12.5 53 44 21336 295 9 8.2 -3.8 | 228 23 16.8 15.1 54 42 21641 280 10 9.8 -1.7 | 227 25 18.5 17.2 55 40 21946 190 11 1.9 10.8 | 200 32 10.6 29.7 56 38 22250 195 17 4.4 16.4 | 200 38 13.1 35.3 57 36 22555 270 10 10.0 -0.0 | 225 27 18.7 18.9 58 35 22860 25 11 -4.6 -10.0 | 204 10 4.0 8.9 59 33 23165 65 11 -10.0 -4.6 | 175 14 -1.3 14.3 60 32 23470 150 10 -5.0 8.7 | 188 28 3.7 27.6 61 30 23774 220 12 7.7 9.2 | 210 33 16.4 28.1 62 30 23780 250 12 11.3 4.1 | 221 30 20.0 23.0 63 29 24079 250 10 9.4 3.4 | 219 29 18.1 22.3 64 27 24384 215 5 2.9 4.1 | 207 26 11.5 23.0 65 26 24689 300 3 2.6 -1.5 | 213 21 11.3 17.4 66 23 25603 150 10 -5.0 8.7 | 188 28 3.7 27.6 67 21 26213 230 13 10.0 8.4 | 214 33 18.6 27.3 68 20 26400 260 8 7.9 1.4 | 219 26 16.6 20.3 69 20 26518 285 17 16.4 -4.4 | 240 29 25.1 14.5 70 19 26822 285 13 12.6 -3.4 | 234 26 21.2 15.5 71 18 27127 285 15 14.5 -3.9 | 237 28 23.2 15.0 72 17 27432 295 10 9.1 -4.2 | 230 23 17.7 14.7 73 16 27737 285 13 12.6 -3.4 | 234 26 21.2 15.5 74 16 28042 270 13 13.0 -0.0 | 229 29 21.7 18.9 75 15 28346 355 10 0.9 -10.0 | 227 13 9.6 8.9 76 14 28651 225 1 0.7 0.7 | 206 22 9.4 19.6 77 14 28956 240 10 8.7 5.0 | 216 30 17.3 23.9 78 13 29261 265 10 10.0 0.9 | 223 27 18.6 19.8 79 12 29566 260 10 9.8 1.7 | 222 28 18.5 20.6 80 11 30175 285 10 9.7 -2.6 | 228 25 18.3 16.3 81 10 30980 190 6 1.0 5.9 | 201 27 9.7 24.8 Wind Parameters Mean winds (0-6000m): 354.7 at 27.7 knts Storm direction: 24.7 at 20.8 knts Shear (0-3000m) pos: 4.9 neg: 2.0 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 70.2 deg Storm rel helicity (0-3000m) pos: 58.8 neg: -90.0 tot: -31.2 m^2/s^2 ave: -10.4 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.45 Bulk Shear: 76.56 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 ------------------------------------------------------------------------------- 500 296 10 231 23| 10.0 0.0 10.0| 0.0 -48.5 -48.5 -97.0 -0.75| 11.2 -8.4 1000 333 11 235 17| 11.4 0.0 11.4| 25.5 -57.4 -31.9 -31.9 0.03| 17.5 0.6 1500 347 16 254 13| 7.6 3.1 10.7| 33.9 -87.4 -53.5 -35.7 -0.07| 17.0 -1.1 2000 345 18 265 13| 5.7 3.0 8.6| 44.0 -87.4 -43.4 -21.7 -0.02| 13.9 -0.3 2500 346 20 272 14| 5.0 2.4 7.4| 49.9 -90.0 -40.1 -16.0 -0.01| 12.2 -0.1 3000 348 21 276 13| 4.9 2.0 6.9| 58.8 -90.0 -31.2 -10.4 0.04| 11.0 0.4 4000 353 22 287 12| 4.1 2.3 6.4| 65.2 -97.6 -32.4 -8.1 0.04| 9.7 0.4 5000 354 25 296 13| 3.7 2.1 5.8| 96.8-103.4 -6.5 -1.3 0.09| 8.9 0.8 6000 355 28 308 14| 3.5 2.2 5.8|133.0-103.4 29.6 4.9 0.13| 8.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250419.00.gif