UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U5403... Searching the city database file for: U5403 ... Date:1200Z 26 APR 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 41 -1.3 -7.3 64 6.0 -3.3 300 3 270.5 270.8 268.9 276.4 2.17 1 1000 184 0.8 -7.2 55 8.0 -2.0 345 13 274.0 274.3 271.2 280.1 2.22 2 925 802 -5.5 -13.5 53 8.0 -7.7 25 13 273.7 273.9 269.8 277.8 1.46 3 922 828 -6.3 -14.3 53 8.0 -8.4 25 13 273.1 273.3 269.3 277.0 1.37 4 850 1461 -9.9 -16.9 57 7.0 -11.6 20 7 275.8 276.0 270.7 279.2 1.20 5 814 1794 -9.1 -19.1 44 10.0 -11.5 28 7 280.1 280.2 272.9 283.1 1.04 6 700 2942 -15.9 -27.9 35 12.0 -17.9 55 9 284.9 285.0 274.9 286.6 0.55 7 533 4947 -28.1 -41.1 28 13.0 -29.2 108 6 293.4 293.4 278.6 294.0 0.20 8 510 5260 -32.3 -47.3 21 15.0 -33.2 116 5 292.0 292.0 277.8 292.4 0.11 9 500 5400 -32.7 -47.7 21 15.0 -33.6 120 5 293.2 293.2 278.4 293.5 0.10 10 429 6462 -36.7 -49.7 25 13.0 -37.4 96 10 301.2 301.2 282.0 301.5 0.10 11 400 6940 -40.9 -53.9 23 13.0 -41.4 85 13 301.8 301.8 282.2 302.1 0.06 12 318 8472 -52.5 -62.5 29 10.0 -52.7 93 13 306.2 306.2 283.9 306.3 0.03 13 300 8850 -54.1 -64.1 28 10.0 -54.2 95 13 309.1 309.1 285.0 309.2 0.02 14 280 9293 -55.3 -64.3 32 9.0 -55.4 75 9 313.5 313.5 286.6 313.6 0.02 15 265 9646 -55.3 -64.3 32 9.0 -55.4 56 9 318.5 318.5 288.3 318.6 0.03 16 251 9994 -53.7 -62.7 32 9.0 -53.9 36 9 325.9 325.9 290.6 326.0 0.03 17 250 10020 -53.9 -62.9 32 9.0 -54.1 35 9 325.9 325.9 290.6 326.1 0.03 18 200 11460 -51.3 -63.3 23 12.0 -51.6 5 11 351.5 351.5 297.0 351.7 0.04 19 193 11692 -49.9 -61.9 23 12.0 -50.3 4 11 357.4 357.4 298.2 357.6 0.05 20 150 13340 -49.9 -64.9 16 15.0 -50.4 360 7 384.1 384.1 302.9 384.3 0.04 21 100 15980 -51.7 -69.7 10 18.0 -52.4 45 5 427.8 427.8 308.6 428.0 0.03 22 70 18300 -50.9 -70.9 8 20.0 -52.0 50 5 475.5 475.5 313.1 475.7 0.04 23 55 19870 -49.3 -70.3 7 21.0 -50.9 21 5 513.1 513.1 315.9 513.5 0.05 24 50 20490 -51.5 -72.5 6 21.0 -52.9 10 5 522.1 522.1 316.5 522.4 0.04 25 36 22622 -52.1 -74.1 5 22.0 -53.8 0 6 572.0 572.0 319.3 572.3 0.05 26 30 23810 -49.7 -71.7 6 22.0 -52.2 355 7 609.1 609.2 321.0 609.8 0.08 27 20 26460 -48.1 -71.1 5 23.0 -52.0 85 5 688.9 689.0 324.1 690.1 0.13 28 10 31064 -44.7 -69.7 4 25.0 -52.1 852.7 852.9 328.5 856.1 0.32 TRP 280 9293 -55.3 -64.3 32 9.0 -55.4 75 9 313.5 313.5 286.6 313.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5216.00 m Freezing level: Surface below freezing Freezing level: 1006.86 mb = 129.68 m = 425.44 ft Freezing level: 990.48 mb = 262.48 m = 861.13 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 39.49 % Est. max temperature: 3.35 C = 38.03 F Sfc-Lift cond lev (LCL): 926.44 mb = 789.68 m = 2590.79 ft T: -5.37 C 700-500 lapse rate: 6.83 C/km ThetaE index: 3.12 C Layer 925.0- 850.0 mb Conv cond level (CCL): 744.09 mb = 2477.28 m = 8127.46 ft Mean mixing ratio: 1.87 g/kg Conv temperature: 11.24 C = 52.23 F Cap Strength: 12.78 C Lifted Index: 12.22 C Risk: None Lifted Index @300 mb: 21.52 C Lifted Index @700 mb: 7.75 C Showalter Index: 11.81 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 15.80 C K Index: -6.10 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.75 J/kg Max Up Vert Vel: 3.67 m/s Conv Inhibition (B-): 64410.21 J/kg Cap Strength: 12.59 C Lift Cond Lev (LCL): 857.73 mb = 1390.47 m = 4561.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 80 at 6 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 41 300 3 2.6 -1.5 | 273 9 8.6 -0.4 1 1000 184 345 13 3.4 -12.6 | 321 15 9.4 -11.5 2 925 802 25 13 -5.5 -11.8 | 357 11 0.5 -10.7 3 850 1461 20 7 -2.4 -6.6 | 327 7 3.6 -5.5 4 700 2942 55 9 -7.4 -5.2 | 19 4 -1.4 -4.1 5 500 5400 120 5 -4.3 2.5 | 205 4 1.7 3.6 6 400 6940 85 13 -13.0 -1.1 | 90 7 -6.9 -0.0 7 300 8850 95 13 -13.0 1.1 | 108 7 -6.9 2.2 8 280 9293 75 9 -8.7 -2.3 | 65 3 -2.7 -1.2 9 250 10020 35 9 -5.2 -7.4 | 352 6 0.8 -6.3 10 200 11460 5 11 -1.0 -11.0 | 333 11 5.0 -9.9 11 150 13340 360 7 -0.0 -7.0 | 315 8 6.0 -5.9 12 100 15980 45 5 -3.5 -3.5 | 315 3 2.5 -2.4 13 70 18300 50 5 -3.8 -3.2 | 314 3 2.2 -2.1 14 50 20490 10 5 -0.9 -4.9 | 307 6 5.1 -3.8 15 30 23810 355 7 0.6 -7.0 | 312 9 6.6 -5.9 16 20 26460 85 5 -5.0 -0.4 | 238 1 1.0 0.7 Wind Parameters Mean winds (0-6000m): 49.7 at 8.1 knts Storm direction: 79.7 at 6.1 knts Shear (0-3000m) pos: 2.3 neg: 0.6 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 109.1 deg Storm rel helicity (0-3000m) pos: 62.6 neg: -8.8 tot: 53.7 m^2/s^2 ave: 17.9 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 12.87 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 ------------------------------------------------------------------------------- 500 353 12 324 13| 12.6 0.0 12.6| 46.2 0.0 46.2 92.5 0.87| 17.2 15.0 1000 7 12 337 12| 5.6 0.0 5.6| 55.9 -3.1 52.8 52.8 0.74| 11.5 8.5 1500 11 11 338 10| 3.7 1.3 5.0| 56.0 -8.8 47.2 31.4 0.52| 9.0 4.7 2000 15 10 338 9| 3.1 1.0 4.0| 58.4 -8.8 49.5 24.8 0.55| 7.2 3.9 2500 19 10 341 9| 2.6 0.8 3.4| 60.6 -8.8 51.7 20.7 0.57| 6.1 3.5 3000 25 9 345 8| 2.3 0.6 2.9| 62.6 -8.8 53.7 17.9 0.58| 5.5 3.2 4000 34 9 352 7| 1.5 0.5 2.0| 64.2 -8.8 55.4 13.8 0.60| 4.6 2.8 5000 42 9 357 5| 1.0 0.4 1.4| 65.5 -8.8 56.7 11.3 0.61| 4.0 2.5 6000 50 8 3 4| 0.8 0.3 1.1| 66.0 -12.4 53.6 8.9 0.48| 3.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20250426.12.gif