UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for NZPP... Searching the city database file for: NZPP ... Date:2300Z 17 APR 25 Station: NZPP WMO ident: 93417 Latitude: -40.90 Longitude: 174.98 Elevation: 12.00 ------------------------------------------------------------------------------- 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 1009 12 18.8 16.0 84 2.8 17.0 285 2 291.2 293.2 289.8 323.4 11.40 1 1000 85 19.8 12.8 64 7.0 15.4 320 2 293.0 294.6 288.6 319.6 9.32 2 996 120 20.2 12.2 60 8.0 15.3 324 3 293.7 295.3 288.6 319.5 8.99 3 925 755 16.2 11.4 73 4.8 13.3 40 21 295.9 297.5 289.5 322.4 9.19 4 850 1469 11.0 9.7 92 1.3 10.2 15 38 297.7 299.3 289.9 323.7 8.92 5 849 1479 11.0 9.8 92 1.2 10.3 15 38 297.8 299.4 290.0 324.0 8.99 6 782 2162 7.2 7.2 100 0.0 7.2 11 29 300.8 302.3 290.3 325.0 8.17 7 719 2852 4.0 3.9 99 0.1 3.9 6 20 304.6 305.9 290.5 325.8 7.06 8 700 3070 2.8 1.0 88 1.8 1.8 5 17 305.6 306.7 289.8 323.5 5.89 9 656 3594 0.6 -7.4 55 8.0 -2.9 3 20 308.8 309.5 288.5 319.4 3.34 10 647 3705 -0.3 -2.6 84 2.3 -1.4 3 20 309.0 310.0 290.0 324.2 4.89 11 641 3780 1.0 -6.0 59 7.0 -2.2 2 21 311.3 312.1 289.8 323.4 3.81 12 596 4362 -2.1 -10.1 54 8.0 -5.4 0 24 314.3 314.9 289.9 323.9 2.98 13 570 4715 -4.9 -14.9 45 10.0 -8.5 359 26 315.0 315.4 289.3 322.0 2.11 14 525 5356 -10.7 -11.3 95 0.6 -10.9 356 29 315.6 316.1 290.4 325.5 3.07 15 507 5624 -12.1 -12.1 100 0.0 -12.1 355 30 317.0 317.6 290.8 326.8 2.98 16 500 5730 -12.7 -14.4 87 1.7 -13.3 355 31 317.6 318.0 290.5 325.8 2.51 17 497 5776 -13.3 -14.7 89 1.4 -13.8 355 31 317.4 317.8 290.4 325.5 2.46 18 493 5837 -12.9 -18.9 61 6.0 -14.7 354 30 318.6 318.9 290.1 324.5 1.74 19 465 6280 -15.3 -16.3 92 1.0 -15.6 352 28 321.0 321.4 291.3 328.7 2.30 20 447 6577 -17.1 -18.5 89 1.4 -17.5 350 27 322.4 322.7 291.5 329.1 1.99 21 400 7400 -22.7 -22.8 99 0.1 -22.7 345 23 325.5 325.8 291.9 330.8 1.53 22 396 7474 -23.3 -23.3 100 0.0 -23.3 344 23 325.6 325.9 291.9 330.8 1.48 23 354 8285 -28.3 -29.0 94 0.7 -28.5 334 18 329.5 329.7 292.6 333.1 0.98 24 350 8366 -28.3 -31.7 73 3.4 -28.9 333 17 330.6 330.8 292.6 333.4 0.77 25 300 9450 -37.5 -39.0 86 1.5 -37.7 320 11 332.5 332.6 292.9 334.2 0.43 26 298 9496 -37.9 -39.3 87 1.4 -38.1 320 11 332.6 332.7 292.9 334.2 0.42 27 287 9754 -39.9 -44.2 63 4.3 -40.2 322 12 333.3 333.4 292.9 334.3 0.26 28 250 10680 -48.3 -50.0 82 1.7 -48.4 330 15 334.3 334.3 293.0 334.9 0.16 29 247 10759 -49.1 -50.2 88 1.1 -49.1 330 15 334.2 334.3 293.0 334.8 0.16 30 229 11251 -53.5 -57.5 62 4.0 -53.6 328 13 334.8 334.8 293.1 335.1 0.07 31 225 11364 -54.3 -56.0 81 1.7 -54.4 328 13 335.3 335.3 293.2 335.6 0.09 32 223 11422 -54.5 -59.1 57 4.6 -54.6 327 13 335.8 335.9 293.3 336.1 0.06 33 219 11537 -55.3 -60.3 54 5.0 -55.4 327 13 336.3 336.4 293.4 336.6 0.05 34 205 11955 -58.9 -61.3 74 2.4 -58.9 326 11 337.1 337.1 293.6 337.3 0.05 35 200 12110 -59.7 -63.5 61 3.8 -59.7 325 11 338.2 338.2 293.9 338.4 0.04 36 192 12364 -61.9 -65.7 60 3.8 -62.0 322 14 338.7 338.7 294.0 338.8 0.03 37 188 12494 -62.3 -70.3 33 8.0 -62.4 320 16 340.1 340.1 294.3 340.1 0.02 38 186 12560 -61.5 -76.5 12 15.0 -61.6 322 16 342.4 342.4 294.9 342.4 0.01 39 178 12834 -59.5 -77.5 8 18.0 -59.7 328 16 350.0 350.0 296.6 350.0 0.01 40 166 13267 -62.5 -78.5 10 16.0 -62.6 339 15 352.1 352.1 297.1 352.1 0.01 41 155 13694 -58.5 -77.5 7 19.0 -58.7 350 15 365.8 365.8 299.8 365.9 0.01 42 150 13900 -59.7 -78.7 7 19.0 -59.9 355 15 367.2 367.2 300.1 367.3 0.01 43 100 16410 -63.7 -83.7 5 20.0 -63.9 280 26 404.7 404.7 305.8 404.7 0.00 44 89 17122 -66.3 -85.3 5 19.0 -66.4 270 21 413.2 413.2 306.9 413.2 0.00 45 70 18590 -63.3 -84.3 4 21.0 -63.6 250 12 449.0 449.0 310.8 449.0 0.00 46 50 20660 -60.3 -85.3 2 25.0 -60.9 360 3 501.4 501.4 315.1 501.4 0.01 47 38 22379 -59.7 -86.7 2 27.0 -60.4 21 8 543.8 543.9 317.8 543.9 0.01 48 30 23880 -54.1 -84.1 1 30.0 -55.8 40 12 597.2 597.2 320.5 597.2 0.01 49 26 24791 -56.3 -86.3 1 30.0 -57.9 68 12 615.9 615.9 321.3 615.9 0.01 50 23 25574 -52.1 -85.1 1 33.0 -54.7 92 11 650.2 650.2 322.7 650.3 0.01 51 20 26480 -50.7 -84.7 1 34.0 -54.0 120 11 681.0 681.0 323.8 681.1 0.02 52 18 27170 -48.7 -83.7 1 35.0 -52.9 708.1 708.1 324.7 708.3 0.02 53 15 28367 -49.1 -85.1 1 36.0 -53.7 744.7 744.7 325.8 744.9 0.02 TRP 188 12494 -62.3 -70.3 33 8.0 -62.4 320 16 340.1 340.1 294.3 340.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5645.00 m Freezing level: 650.00 mb = 3667.82 m = 12033.37 ft Freezing level: 645.62 mb = 3722.03 m = 12211.24 ft Freezing level: 626.48 mb = 3967.48 m = 13016.51 ft Wetbulb zero: 682.87 mb = 3269.93 m = 10727.98 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 78.08 % Est. max temperature: 25.06 C = 77.11 F Sfc-Lift cond lev (LCL): 968.14 mb = 363.41 m = 1192.29 ft T: 18.67 C 700-500 lapse rate: 5.83 C/km ThetaE index: 6.50 C Layer 700.0- 647.0 mb Conv cond level (CCL): 826.49 mb = 1702.28 m = 5584.86 ft Mean mixing ratio: 9.21 g/kg Conv temperature: 26.37 C = 79.46 F Cap Strength: 4.56 C Lifted Index: 3.04 C Risk: None Lifted Index @300 mb: 8.53 C Lifted Index @700 mb: 1.84 C Showalter Index: 1.69 C Risk: Showers probable Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.40 C K Index: 31.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.40 Risk: None Energy Index: 0.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.05 J/kg Max Up Vert Vel: 4.01 m/s Conv Inhibition (B-): 46646.30 J/kg Cap Strength: 4.53 C Lift Cond Lev (LCL): 876.41 mb = 1210.64 m = 3971.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 37 at 18 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 12 285 2 1.9 -0.5 | 223 19 13.0 13.9 1 1000 85 320 2 1.3 -1.5 | 224 18 12.3 12.9 2 925 755 40 21 -13.5 -16.1 | 56 3 -2.4 -1.6 3 850 1469 15 38 -9.8 -36.7 | 357 22 1.2 -22.3 4 700 3070 5 17 -1.5 -16.9 | 285 10 9.6 -2.5 5 500 5730 355 31 2.7 -30.9 | 320 21 13.8 -16.4 6 400 7400 345 23 6.0 -22.2 | 295 19 17.0 -7.8 7 300 9450 320 11 7.1 -8.4 | 252 19 18.1 6.0 8 250 10680 330 15 7.5 -13.0 | 265 19 18.6 1.5 9 200 12110 325 11 6.3 -9.0 | 253 18 17.4 5.4 10 188 12494 320 16 10.3 -12.3 | 264 21 21.3 2.2 11 150 13900 355 15 1.3 -14.9 | 272 12 12.4 -0.5 12 100 16410 280 26 25.6 -4.5 | 255 38 36.7 9.9 13 70 18590 250 12 11.3 4.1 | 230 29 22.3 18.6 14 50 20660 360 3 -0.0 -3.0 | 224 16 11.1 11.5 15 30 23880 40 12 -7.7 -9.2 | 212 6 3.3 5.3 16 20 26480 120 11 -9.5 5.5 | 184 20 1.5 20.0 Wind Parameters Mean winds (0-6000m): 7.4 at 24.3 knts Storm direction: 37.4 at 18.2 knts Shear (0-3000m) pos: 4.8 neg: 2.3 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 66.0 deg Storm rel helicity (0-3000m) pos: 46.1 neg: -88.0 tot: -42.0 m^2/s^2 ave: -14.0 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 39.01 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 3 7 235 13| 14.5 0.0 14.5| 39.6 0.0 39.6 79.1 0.68| 15.7 10.7 1000 34 14 228 4| 14.3 0.0 14.3| 46.1 -4.1 42.0 42.0 0.49| 17.3 8.5 1500 26 20 330 4| 9.5 4.7 14.2| 46.1 -29.6 16.5 11.0 0.22| 16.3 3.6 2000 21 24 342 8| 7.1 2.7 9.8| 46.1 -51.2 -5.2 -2.6 0.11| 14.0 1.6 2500 19 25 341 9| 5.7 2.1 7.8| 46.1 -70.3 -24.3 -9.7 0.02| 12.6 0.2 3000 17 24 336 9| 4.8 2.3 7.1| 46.1 -88.0 -42.0 -14.0 -0.08| 11.6 -0.9 4000 15 23 326 9| 3.6 1.7 5.3| 57.5 -89.5 -32.0 -8.0 -0.03| 9.4 -0.2 5000 11 23 322 11| 2.9 1.6 4.5| 68.6 -89.5 -20.9 -4.2 0.01| 8.1 0.1 6000 7 24 320 12| 2.4 1.6 4.0| 74.8 -97.8 -23.0 -3.8 0.01| 7.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//NZPP/skewt/NZPP.skewt.20250417.23.gif