UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 29 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1019 2 -14.1 -18.0 72 3.9 -14.8 30 5 257.7 257.8 257.2 260.1 0.91 1 1000 144 -15.5 -20.5 65 5.0 -16.3 70 5 257.6 257.8 256.8 259.7 0.75 2 947 553 -18.1 -22.0 71 3.9 -18.7 91 13 259.1 259.2 257.9 261.0 0.69 3 944 576 -17.5 -21.4 72 3.9 -18.1 92 14 259.9 260.0 258.6 261.9 0.73 4 942 592 -14.1 -18.0 72 3.9 -14.9 93 14 263.5 263.7 261.9 266.2 0.98 5 925 731 -12.1 -16.1 72 4.0 -13.0 100 17 266.9 267.1 264.8 270.2 1.17 6 903 916 -10.3 -18.3 52 8.0 -12.1 103 18 270.6 270.8 267.0 273.5 1.00 7 850 1383 -9.1 -16.1 57 7.0 -10.8 110 19 276.6 276.8 271.3 280.3 1.28 8 824 1623 -9.5 -19.5 44 10.0 -11.8 111 17 278.7 278.8 272.1 281.6 0.99 9 700 2864 -16.9 -28.9 35 12.0 -18.8 115 5 283.8 283.9 274.2 285.3 0.50 10 697 2896 -17.3 -29.3 34 12.0 -19.1 116 5 283.7 283.8 274.1 285.2 0.48 11 652 3395 -19.1 -38.1 17 19.0 -21.3 139 5 287.1 287.1 275.5 287.8 0.22 12 651 3406 -19.1 -38.1 17 19.0 -21.3 140 5 287.2 287.3 275.6 288.0 0.22 13 579 4267 -26.3 -39.3 28 13.0 -27.5 180 5 288.6 288.6 276.3 289.3 0.22 14 545 4704 -27.1 -42.1 23 15.0 -28.4 201 5 292.7 292.7 278.3 293.3 0.17 15 500 5320 -31.3 -49.3 15 18.0 -32.4 230 5 294.9 294.9 279.1 295.2 0.09 16 400 6860 -42.5 -56.5 20 14.0 -42.9 300 7 299.8 299.8 281.3 299.9 0.05 17 372 7347 -46.1 -59.1 22 13.0 -46.4 296 11 301.3 301.3 281.9 301.4 0.04 18 302 8717 -51.5 -63.5 23 12.0 -51.7 285 23 312.2 312.2 286.1 312.3 0.02 19 300 8760 -51.1 -63.1 23 12.0 -51.3 290 21 313.3 313.3 286.5 313.4 0.03 20 285 9093 -49.3 -61.3 23 12.0 -49.6 253 16 320.5 320.5 288.9 320.7 0.04 21 250 9950 -48.3 -63.3 16 15.0 -48.7 160 3 334.3 334.3 292.9 334.4 0.03 22 211 11067 -46.7 -64.7 11 18.0 -47.3 133 3 353.4 353.4 297.4 353.5 0.03 23 200 11420 -47.3 -66.3 10 19.0 -47.9 125 3 357.9 357.9 298.3 358.0 0.03 24 150 13320 -48.7 -69.7 7 21.0 -49.4 55 5 386.2 386.2 303.2 386.3 0.02 25 100 15980 -50.7 -73.7 5 23.0 -51.5 55 7 429.8 429.8 308.8 429.9 0.02 26 70 18310 -50.1 -74.1 4 24.0 -51.3 95 3 477.2 477.2 313.2 477.3 0.02 27 53 20128 -49.9 -73.9 4 24.0 -51.5 74 8 517.2 517.2 316.1 517.4 0.03 28 50 20510 -48.7 -73.7 4 25.0 -50.5 70 9 528.7 528.7 316.9 528.9 0.04 29 47 20916 -47.5 -72.5 4 25.0 -49.7 76 9 541.0 541.0 317.6 541.3 0.05 30 30 23860 -49.3 -74.3 4 25.0 -52.0 120 13 610.2 610.3 321.1 610.6 0.05 31 20 26530 -47.1 -73.1 4 26.0 -51.4 85 15 692.0 692.0 324.2 692.8 0.10 32 14 28898 -45.9 -71.9 4 26.0 -51.7 770.4 770.5 326.5 772.0 0.17 33 13 29388 -48.5 -73.5 4 25.0 -53.5 777.9 778.0 326.7 779.2 0.14 34 10 31130 -44.5 -70.5 4 26.0 -52.1 853.4 853.6 328.5 856.5 0.28 TRP 302 8717 -51.5 -63.5 23 12.0 -51.7 285 23 312.2 312.2 286.1 312.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5176.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 38.20 % Est. max temperature: 2.74 C = 36.94 F Sfc-Lift cond lev (LCL): 956.41 mb = 478.46 m = 1569.72 ft T: -17.63 C 700-500 lapse rate: 5.86 C/km ThetaE index: 0.42 C Layer 1000.0- 947.0 mb Conv cond level (CCL): 588.84 mb = 4143.02 m = 13592.41 ft Mean mixing ratio: 0.83 g/kg Conv temperature: 16.83 C = 62.29 F Cap Strength: 25.61 C Lifted Index: 26.75 C Risk: None Lifted Index @300 mb: 36.10 C Lifted Index @700 mb: 19.94 C Showalter Index: 12.39 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 15.20 C K Index: -5.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.27 J/kg Max Up Vert Vel: 9.09 m/s Conv Inhibition (B-): 79765.95 J/kg Cap Strength: 26.61 C Lift Cond Lev (LCL): 904.07 mb = 906.78 m = 2974.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 149 at 7 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 1019 2 30 5 -2.5 -4.3 | 355 10 0.9 -9.9 1 1000 144 70 5 -4.7 -1.7 | 10 7 -1.3 -7.3 2 925 731 100 17 -16.7 3.0 | 79 14 -13.4 -2.6 3 850 1383 110 19 -17.9 6.5 | 94 15 -14.5 0.9 4 700 2864 115 5 -4.5 2.1 | 18 4 -1.2 -3.5 5 500 5320 230 5 3.8 3.2 | 288 8 7.2 -2.4 6 400 6860 300 7 6.1 -3.5 | 314 13 9.4 -9.1 7 302 8717 285 23 22.2 -6.0 | 294 28 25.6 -11.5 8 300 8760 290 21 19.7 -7.2 | 299 26 23.1 -12.8 9 250 9950 160 3 -1.0 2.8 | 320 4 2.3 -2.8 10 200 11420 125 3 -2.5 1.7 | 347 4 0.9 -3.9 11 150 13320 55 5 -4.1 -2.9 | 5 8 -0.7 -8.4 12 100 15980 55 7 -5.7 -4.0 | 14 10 -2.4 -9.6 13 70 18310 95 3 -3.0 0.3 | 356 5 0.4 -5.3 14 50 20510 70 9 -8.5 -3.1 | 30 10 -5.1 -8.7 15 30 23860 120 13 -11.3 6.5 | 97 8 -7.9 0.9 16 20 26530 85 15 -14.9 -1.3 | 59 13 -11.6 -6.9 Wind Parameters Mean winds (0-6000m): 118.8 at 8.7 knts Storm direction: 148.8 at 6.5 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 21.8 deg Storm rel helicity (0-3000m) pos: 50.8 neg: -12.0 tot: 38.8 m^2/s^2 ave: 12.9 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.05 Bulk Shear: 4.56 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 77 8 29 8| 10.9 0.0 10.9| 22.3 0.0 22.3 44.6 0.87| 11.2 9.8 1000 94 12 61 10| 8.8 0.0 8.8| 42.9 0.0 42.9 42.9 0.88| 9.3 8.1 1500 100 14 74 11| 6.1 0.0 6.1| 50.8 -0.6 50.2 33.4 0.84| 7.2 6.1 2000 103 14 78 11| 3.4 0.0 3.4| 50.8 -4.3 46.5 23.2 0.63| 6.7 4.2 2500 105 14 78 10| 1.9 0.0 1.9| 50.8 -8.6 42.2 16.9 0.45| 6.3 2.9 3000 105 12 75 9| 1.2 0.0 1.2| 50.8 -12.0 38.8 12.9 0.31| 5.9 1.8 4000 109 11 73 7| 1.2 0.0 1.2| 50.8 -13.4 37.4 9.3 0.20| 5.0 1.0 5000 114 9 71 6| 1.0 0.0 1.0| 51.5 -13.7 37.8 7.6 0.18| 4.4 0.8 6000 119 9 72 4| 0.8 0.0 0.8| 55.9 -13.7 42.2 7.0 0.21| 4.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250429.00.gif