UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for KOAK... Searching the city database file for: KOAK ... Date:0000Z 28 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 1018 3 15.2 9.2 67 6.0 11.8 190 6 286.9 288.1 284.2 307.0 7.18 1 1003 132 12.2 7.6 73 4.6 9.7 178 7 285.1 286.2 282.7 303.3 6.53 2 1000 158 12.0 7.6 74 4.4 9.6 175 7 285.1 286.3 282.8 303.4 6.55 3 945 629 7.4 6.9 97 0.5 7.1 228 1 285.1 286.3 282.8 303.6 6.61 4 925 805 6.2 5.9 98 0.3 6.1 160 1 285.6 286.7 282.7 303.3 6.30 5 891 1111 4.4 4.3 99 0.1 4.4 32 3 286.9 287.9 282.7 303.3 5.85 6 850 1495 3.8 2.4 91 1.4 3.1 325 5 290.1 291.1 283.6 305.5 5.35 7 845 1543 3.8 2.4 91 1.4 3.1 322 6 290.6 291.6 283.8 306.1 5.39 8 829 1698 4.6 -0.4 70 5.0 2.2 313 9 293.1 293.9 283.8 306.1 4.48 9 809 1897 3.4 -0.6 75 4.0 1.5 311 15 293.8 294.6 284.2 307.1 4.52 10 805 1937 3.2 -1.3 72 4.5 1.1 315 16 294.0 294.8 284.1 306.7 4.32 11 803 1957 3.4 -1.6 70 5.0 1.1 317 17 294.5 295.2 284.1 306.9 4.23 12 792 2069 4.0 -11.0 33 15.0 -1.6 328 21 296.3 296.6 282.4 302.6 2.08 13 781 2183 4.0 -17.0 20 21.0 -2.9 334 24 297.5 297.7 282.0 301.5 1.29 14 700 3064 -1.5 -15.5 34 14.0 -6.1 330 21 300.8 301.1 283.8 306.0 1.63 15 688 3201 -2.7 -14.7 39 12.0 -6.7 332 21 301.0 301.3 284.0 306.6 1.78 16 669 3422 -4.3 -18.3 33 14.0 -8.5 336 22 301.6 301.9 283.8 305.9 1.35 17 606 4192 -9.5 -20.5 40 11.0 -12.5 327 19 304.3 304.5 284.7 308.3 1.23 18 603 4230 -9.7 -20.7 40 11.0 -12.7 326 19 304.5 304.7 284.7 308.4 1.22 19 600 4269 -9.7 -25.7 26 16.0 -13.5 325 19 304.9 305.0 284.4 307.5 0.79 20 523 5314 -16.3 -42.3 9 26.0 -19.8 324 22 309.2 309.2 285.2 309.8 0.18 21 500 5650 -19.1 -41.1 12 22.0 -22.0 320 22 309.8 309.8 285.5 310.5 0.21 22 451 6410 -26.1 -44.1 17 18.0 -27.9 320 19 310.2 310.3 285.6 310.9 0.17 23 420 6923 -29.9 -51.9 10 22.0 -31.4 328 20 311.7 311.8 286.1 312.0 0.08 24 412 7060 -30.7 -45.7 22 15.0 -32.0 328 22 312.4 312.5 286.4 313.0 0.16 25 400 7270 -32.3 -49.3 17 17.0 -33.5 340 29 313.0 313.0 286.5 313.4 0.11 26 381 7610 -34.7 -53.7 13 19.0 -35.8 345 31 314.2 314.2 286.9 314.5 0.07 27 377 7684 -35.3 -51.3 18 16.0 -36.2 345 31 314.4 314.4 287.0 314.7 0.09 28 371 7795 -35.9 -42.9 49 7.0 -36.5 346 32 315.0 315.1 287.4 315.9 0.23 29 353 8137 -38.9 -44.9 53 6.0 -39.3 347 35 315.5 315.6 287.5 316.2 0.20 30 343 8333 -40.1 -47.1 47 7.0 -40.5 347 36 316.5 316.5 287.8 317.1 0.16 31 325 8698 -43.1 -52.1 37 9.0 -43.5 348 39 317.3 317.3 288.0 317.6 0.10 32 300 9230 -47.9 -52.9 56 5.0 -48.1 350 42 317.8 317.9 288.2 318.2 0.09 33 292 9408 -49.5 -54.3 57 4.8 -49.7 348 41 318.0 318.0 288.2 318.3 0.08 34 285 9567 -50.7 -57.7 43 7.0 -50.9 347 41 318.5 318.5 288.3 318.7 0.06 35 276 9775 -52.1 -57.1 55 5.0 -52.2 345 40 319.4 319.5 288.6 319.7 0.06 36 273 9846 -51.9 -58.9 43 7.0 -52.1 345 41 320.7 320.7 289.0 320.9 0.05 37 270 9918 -51.1 -67.1 13 16.0 -51.4 345 42 322.9 322.9 289.6 323.0 0.02 38 250 10420 -50.5 -73.5 5 23.0 -50.8 350 41 331.0 331.0 292.0 331.0 0.01 39 238 10742 -50.3 -73.3 5 23.0 -50.7 348 40 336.0 336.0 293.3 336.0 0.01 40 208 11616 -53.5 -76.5 4 23.0 -53.8 332 40 344.2 344.2 295.3 344.2 0.01 41 205 11710 -52.5 -77.5 3 25.0 -52.8 331 42 347.2 347.2 296.0 347.2 0.00 42 200 11870 -53.1 -78.1 3 25.0 -53.4 330 44 348.7 348.7 296.3 348.7 0.00 43 150 13710 -56.3 -85.3 1 29.0 -56.6 315 28 373.1 373.1 301.1 373.1 0.00 44 128 14710 -58.3 -86.3 2 28.0 -58.6 315 23 386.8 386.8 303.3 386.8 0.00 45 112 15553 -55.9 -86.9 1 31.0 -56.3 295 16 406.3 406.3 306.0 406.3 0.00 46 100 16270 -57.5 -86.5 1 29.0 -57.9 260 15 416.6 416.6 307.3 416.6 0.00 47 86 17219 -58.5 -87.5 1 29.0 -58.9 278 13 433.0 433.0 309.1 433.0 0.00 48 78 17833 -58.1 -88.1 1 30.0 -58.6 268 12 446.1 446.1 310.5 446.1 0.00 49 76 17997 -56.5 -87.5 1 31.0 -57.1 270 11 452.7 452.7 311.1 452.7 0.00 50 70 18520 -55.3 -87.3 1 32.0 -56.1 225 10 466.1 466.1 312.3 466.1 0.00 51 68 18705 -55.1 -87.1 1 32.0 -55.9 212 14 470.4 470.4 312.7 470.4 0.00 52 51 20526 -59.3 -88.3 1 29.0 -59.9 215 6 500.9 500.9 315.0 500.9 0.00 53 50 20650 -57.9 -88.9 1 31.0 -58.6 190 4 507.0 507.0 315.4 507.0 0.00 54 49 20777 -57.3 -88.3 1 31.0 -58.1 121 10 511.4 511.4 315.7 511.4 0.00 55 41 21899 -58.9 -88.9 1 30.0 -59.7 66 10 534.2 534.2 317.2 534.2 0.00 56 36 22719 -56.5 -88.5 1 32.0 -57.6 26 13 560.6 560.6 318.7 560.6 0.00 57 32 23463 -58.7 -88.7 1 30.0 -59.7 85 15 573.9 573.9 319.3 573.9 0.00 58 30 23870 -56.3 -89.3 1 33.0 -57.7 190 4 591.2 591.2 320.2 591.2 0.00 59 25 25036 -53.3 -87.3 1 34.0 -55.5 126 14 631.4 631.4 322.0 631.5 0.01 60 24 25298 -55.3 -87.3 1 32.0 -57.2 95 16 633.0 633.0 322.0 633.1 0.01 61 20 26470 -52.3 -86.3 1 34.0 -55.2 80 2 676.1 676.1 323.6 676.2 0.01 62 19 26801 -52.9 -86.9 1 34.0 -55.7 115 2 684.2 684.2 323.9 684.3 0.01 63 17 27520 -52.3 -86.3 1 34.0 -55.5 203 3 708.3 708.3 324.7 708.4 0.01 64 16 27914 -49.7 -85.7 1 36.0 -53.9 291 1 729.1 729.1 325.3 729.2 0.02 65 14 28790 -48.7 -84.7 1 36.0 -53.6 313 12 760.9 760.9 326.3 761.1 0.02 66 13 29275 -50.7 -85.7 1 35.0 -55.1 337 18 770.3 770.3 326.5 770.4 0.02 67 11 30379 -44.5 -83.5 1 39.0 -52.1 316 10 830.5 830.5 328.0 830.8 0.03 68 10 31020 -42.7 -82.7 0 40.0 -51.5 330 10 860.2 860.2 328.6 860.6 0.04 69 9.5 31367 -42.3 -82.3 0 40.0 -51.6 874.4 874.4 328.9 874.9 0.05 70 9.3 31510 -42.9 -82.9 0 40.0 -52.0 877.4 877.5 329.0 877.9 0.04 71 8.7 31960 -42.7 -82.7 0 40.0 -52.2 895.1 895.1 329.3 895.6 0.05 72 7.7 32792 -38.7 -80.7 0 42.0 -51.0 943.0 943.0 330.2 943.8 0.08 TRP 276 9775 -52.1 -57.1 55 5.0 -52.2 345 40 319.4 319.5 288.6 319.7 0.06 WND Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 722.09 mb = 2823.71 m = 9264.03 ft Wetbulb zero: 798.61 mb = 2001.73 m = 6567.27 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 46.66 % Est. max temperature: 17.00 C = 62.60 F Sfc-Lift cond lev (LCL): 930.40 mb = 757.09 m = 2483.85 ft T: 6.53 C 700-500 lapse rate: 6.81 C/km ThetaE index: 5.42 C Layer 792.0- 700.0 mb Conv cond level (CCL): 931.56 mb = 746.77 m = 2450.01 ft Mean mixing ratio: 6.57 g/kg Conv temperature: 13.79 C = 56.82 F Cap Strength: 7.41 C Lifted Index: 7.31 C Risk: None Lifted Index @300 mb: 10.15 C Lifted Index @700 mb: 5.86 C Showalter Index: 6.13 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.50 C K Index: 11.30 Risk: None Sweat Index: 60.80 Risk: None Energy Index: 1.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.60 J/kg Max Up Vert Vel: 3.03 m/s Conv Inhibition (B-): 2.92 J/kg Cap Strength: 7.43 C Lift Cond Lev (LCL): 933.26 mb = 731.78 m = 2400.82 ft Lev Free Conv (LFC): 918.26 mb = 864.82 m = 2837.32 ft Equ Level (EL): 888.26 mb = 1136.43 m = 3728.40 ft B at Equ Level: 4.48 J/kg Max Parcel Lev (MPL): 858.26 mb = 1416.24 m = 4646.40 ft Wind level data Storm motion: 358 at 12 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 1018 3 190 6 1.0 5.9 | 182 18 0.6 18.1 1 1000 158 175 7 -0.6 7.0 | 177 19 -1.1 19.2 2 982 305 210 7 3.5 6.1 | 189 19 3.0 18.3 3 947 610 235 1 0.8 0.6 | 182 13 0.4 12.8 4 925 805 160 1 -0.3 0.9 | 177 13 -0.8 13.2 5 913 914 0 0 -0.0 -0.0 | 178 12 -0.5 12.2 6 879 1219 50 5 -3.8 -3.2 | 155 10 -4.3 9.0 7 850 1495 325 5 2.9 -4.1 | 197 8 2.4 8.1 8 816 1829 305 12 9.8 -6.9 | 240 11 9.4 5.3 9 785 2134 335 24 10.1 -21.8 | 315 14 9.7 -9.5 10 756 2438 330 24 12.0 -20.8 | 307 14 11.5 -8.6 11 728 2743 330 23 11.5 -19.9 | 305 13 11.0 -7.7 12 701 3048 325 21 12.0 -17.2 | 293 13 11.6 -5.0 13 700 3064 330 21 10.5 -18.2 | 301 12 10.0 -6.0 14 648 3658 340 22 7.5 -20.7 | 320 11 7.1 -8.5 15 599 4267 325 19 10.9 -15.6 | 288 11 10.4 -3.4 16 575 4572 330 18 9.0 -15.6 | 292 9 8.5 -3.4 17 553 4877 330 21 10.5 -18.2 | 301 12 10.0 -6.0 18 500 5650 320 22 14.1 -16.9 | 289 14 13.7 -4.6 19 470 6096 325 21 12.0 -17.2 | 293 13 11.6 -5.0 20 451 6401 320 19 12.2 -14.6 | 281 12 11.8 -2.3 21 432 6706 335 20 8.5 -18.1 | 306 10 8.0 -5.9 22 415 7010 325 20 11.5 -16.4 | 291 12 11.0 -4.2 23 400 7270 340 29 9.9 -27.3 | 328 18 9.5 -15.0 24 380 7620 345 31 8.0 -29.9 | 337 19 7.6 -17.7 25 304 9144 350 43 7.5 -42.3 | 347 31 7.0 -30.1 26 300 9230 350 42 7.3 -41.4 | 347 30 6.8 -29.1 27 276 9775 345 40 10.4 -38.6 | 339 28 9.9 -26.4 28 252 10363 345 47 12.2 -45.4 | 341 35 11.7 -33.2 29 250 10420 350 41 7.1 -40.4 | 347 29 6.7 -28.2 30 241 10668 350 41 7.1 -40.4 | 347 29 6.7 -28.2 31 219 11278 335 35 14.8 -31.7 | 324 24 14.3 -19.5 32 200 11870 330 44 22.0 -38.1 | 320 34 21.5 -25.9 33 173 12802 330 37 18.5 -32.0 | 318 27 18.0 -19.8 34 165 13106 315 35 24.7 -24.7 | 297 27 24.3 -12.5 35 150 13710 315 28 19.8 -19.8 | 291 21 19.3 -7.6 36 136 14326 330 24 12.0 -20.8 | 307 14 11.5 -8.6 37 130 14630 315 24 17.0 -17.0 | 286 17 16.5 -4.8 38 124 14935 315 21 14.8 -14.8 | 280 15 14.4 -2.6 39 118 15240 295 21 19.0 -8.9 | 260 19 18.6 3.3 40 107 15850 295 12 10.9 -5.1 | 236 13 10.4 7.1 41 102 16154 265 14 13.9 1.2 | 225 19 13.5 13.4 42 100 16270 260 15 14.8 2.6 | 224 21 14.3 14.8 43 97 16459 260 15 14.8 2.6 | 224 21 14.3 14.8 44 92 16764 270 17 17.0 -0.0 | 234 21 16.5 12.2 45 88 17069 260 15 14.8 2.6 | 224 21 14.3 14.8 46 84 17374 295 12 10.9 -5.1 | 236 13 10.4 7.1 47 80 17678 260 11 10.8 1.9 | 216 18 10.4 14.1 48 76 17983 275 12 12.0 -1.0 | 226 16 11.5 11.2 49 73 18288 195 3 0.8 2.9 | 181 15 0.3 15.1 50 70 18520 225 10 7.1 7.1 | 199 20 6.6 19.3 51 69 18593 205 16 6.8 14.5 | 193 27 6.3 26.7 52 66 18898 225 10 7.1 7.1 | 199 20 6.6 19.3 53 63 19202 185 10 0.9 10.0 | 181 22 0.4 22.2 54 60 19507 220 15 9.6 11.5 | 201 25 9.2 23.7 55 57 19812 230 11 8.4 7.1 | 202 21 8.0 19.3 56 54 20117 295 11 10.0 -4.6 | 232 12 9.5 7.6 57 50 20650 190 4 0.7 3.9 | 181 16 0.2 16.2 58 49 20726 145 12 -6.9 9.8 | 162 23 -7.3 22.0 59 47 21031 0 0 -0.0 -0.0 | 178 12 -0.5 12.2 60 45 21336 360 8 -0.0 -8.0 | 174 4 -0.5 4.2 61 43 21641 100 10 -9.8 1.7 | 144 17 -10.3 13.9 62 37 22555 340 10 3.4 -9.4 | 227 4 3.0 2.8 63 35 22860 65 15 -13.6 -6.3 | 113 15 -14.0 5.9 64 34 23165 75 17 -16.4 -4.4 | 115 19 -16.9 7.8 65 32 23470 85 15 -14.9 -1.3 | 125 19 -15.4 10.9 66 30 23774 160 10 -3.4 9.4 | 170 22 -3.9 21.6 67 30 23870 190 4 0.7 3.9 | 181 16 0.2 16.2 68 29 24079 0 0 -0.0 -0.0 | 178 12 -0.5 12.2 69 28 24384 205 8 3.4 7.3 | 189 20 2.9 19.5 70 24 25298 95 16 -15.9 1.4 | 130 21 -16.4 13.6 71 23 25603 120 10 -8.7 5.0 | 152 19 -9.1 17.2 72 22 25908 65 2 -1.8 -0.8 | 169 12 -2.3 11.4 73 20 26470 80 2 -2.0 -0.3 | 168 12 -2.4 11.9 74 17 27432 180 3 0.0 3.0 | 178 15 -0.5 15.2 75 16 28042 315 1 0.7 -0.7 | 181 12 0.3 11.5 76 15 28346 295 2 1.8 -0.8 | 187 11 1.4 11.4 77 14 28651 305 10 8.2 -5.7 | 230 10 7.7 6.5 78 13 29261 335 19 8.0 -17.2 | 303 9 7.6 -5.0 79 12 29566 350 10 1.7 -9.8 | 209 3 1.3 2.4 80 12 29870 305 10 8.2 -5.7 | 230 10 7.7 6.5 81 10 31020 330 10 5.0 -8.7 | 232 6 4.5 3.6 Wind Parameters Mean winds (0-6000m): 327.9 at 16.3 knts Storm direction: 357.9 at 12.2 knts Shear (0-3000m) pos: 2.2 neg: 2.7 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 113.2 deg Storm rel helicity (0-3000m) pos: 87.9 neg: -41.0 tot: 46.9 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 57.27 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 ------------------------------------------------------------------------------- 500 197 6 184 18| 4.1 0.0 4.1| 17.4 -7.4 10.0 20.0 0.21| 9.3 1.9 1000 197 4 182 16| 3.8 0.0 3.8| 18.3 -17.3 1.0 1.0 -0.05| 7.6 -0.4 1500 188 4 180 16| 2.6 1.5 4.1| 29.9 -26.2 3.8 2.5 0.06| 8.8 0.5 2000 297 6 205 11| 1.9 4.6 6.5| 67.8 -26.2 41.6 20.8 0.40| 10.6 4.2 2500 323 9 226 7| 2.7 3.7 6.4| 87.9 -32.0 55.9 22.4 0.42| 10.2 4.3 3000 325 11 245 7| 2.2 2.7 5.0| 87.9 -41.0 46.9 15.6 0.35| 9.1 3.2 4000 330 14 269 7| 2.1 2.0 4.1|102.2 -50.2 52.0 13.0 0.33| 7.9 2.6 5000 329 15 277 7| 1.7 1.8 3.4|108.1 -58.5 49.6 9.9 0.28| 7.0 2.0 6000 328 16 281 8| 1.4 1.6 3.0|110.7 -66.0 44.7 7.5 0.24| 6.3 1.5 Wrote GIF file: /home/apache/climate/data/raob//KOAK/skewt/KOAK.skewt.20250428.00.gif