UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 22 APR 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1011 111 4.4 -8.6 38 13.0 -0.1 90 7 276.7 277.0 272.5 282.3 1.97 1 1000 200 3.0 -11.0 35 14.0 -1.5 95 9 276.1 276.4 271.6 280.8 1.65 2 929 789 -2.3 -15.3 36 13.0 -5.9 104 18 276.6 276.8 271.3 280.2 1.25 3 925 823 -2.3 -14.3 39 12.0 -5.7 105 19 277.0 277.2 271.6 280.9 1.36 4 896 1076 -2.1 -16.1 33 14.0 -6.0 125 18 279.7 279.9 273.1 283.3 1.21 5 766 2314 -4.3 -28.3 13 24.0 -9.4 223 12 290.1 290.2 277.5 291.7 0.48 6 746 2522 -4.7 -28.7 13 24.0 -9.8 240 11 291.9 292.0 278.4 293.5 0.48 7 700 3020 -6.7 -29.7 14 23.0 -11.4 280 9 295.1 295.1 279.8 296.6 0.46 8 665 3419 -8.3 -30.3 15 22.0 -12.7 280 13 297.6 297.7 281.0 299.2 0.46 9 555 4797 -16.9 -29.9 31 13.0 -19.3 280 28 303.2 303.4 283.5 305.2 0.58 10 532 5113 -20.3 -31.3 37 11.0 -22.1 280 31 302.9 303.0 283.2 304.6 0.53 11 530 5141 -20.7 -32.7 33 12.0 -22.5 280 31 302.7 302.8 283.1 304.3 0.46 12 506 5482 -21.7 -34.7 30 13.0 -23.6 280 35 305.5 305.6 284.1 306.9 0.40 13 500 5570 -22.5 -35.5 30 13.0 -24.3 280 36 305.6 305.7 284.1 306.9 0.37 14 470 6019 -27.3 -42.3 23 15.0 -28.7 279 38 305.1 305.1 283.7 305.8 0.20 15 454 6267 -27.9 -42.9 23 15.0 -29.3 278 39 307.4 307.4 284.6 308.1 0.19 16 400 7160 -35.5 -50.5 20 15.0 -36.4 275 44 308.9 308.9 285.0 309.2 0.09 17 300 9100 -50.9 -64.9 17 14.0 -51.1 280 48 313.6 313.6 286.6 313.7 0.02 18 258 10063 -58.9 -73.9 13 15.0 -59.0 280 50 315.6 315.6 287.3 315.7 0.01 19 250 10260 -59.9 -74.9 12 15.0 -60.0 280 50 317.0 317.0 287.8 317.0 0.01 20 240 10515 -58.9 -73.9 13 15.0 -59.0 279 49 322.2 322.2 289.5 322.3 0.01 21 228 10835 -60.5 -74.5 14 14.0 -60.6 278 48 324.6 324.6 290.2 324.6 0.01 22 200 11660 -55.3 -70.3 14 15.0 -55.5 275 44 345.2 345.2 295.6 345.3 0.01 23 187 12090 -53.5 -68.5 14 15.0 -53.8 275 42 354.8 354.8 297.7 354.9 0.02 24 150 13510 -52.7 -68.7 13 16.0 -53.1 275 36 379.3 379.3 302.2 379.4 0.02 25 100 16130 -53.1 -71.1 9 18.0 -53.7 280 33 425.1 425.1 308.3 425.3 0.03 26 70 18430 -53.9 -69.9 12 16.0 -54.6 285 25 469.1 469.1 312.6 469.3 0.04 27 50 20590 -53.9 -72.9 8 19.0 -54.9 290 21 516.5 516.5 316.1 516.7 0.04 28 30 23870 -54.7 -75.7 6 21.0 -56.2 310 13 595.5 595.5 320.4 595.8 0.04 29 20 26460 -54.1 -75.1 6 21.0 -56.4 325 21 670.6 670.6 323.4 671.2 0.07 30 14 28753 -53.3 -74.3 6 21.0 -56.5 745.3 745.4 325.8 746.4 0.12 TRP 250 10260 -59.9 -74.9 12 15.0 -60.0 280 50 317.0 317.0 287.8 317.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5370.00 m Freezing level: 959.81 mb = 533.30 m = 1749.65 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 24.97 % Est. max temperature: 10.05 C = 50.10 F Sfc-Lift cond lev (LCL): 826.19 mb = 1716.27 m = 5630.73 ft T: -3.24 C 700-500 lapse rate: 6.20 C/km ThetaE index: 2.02 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 533.93 mb = 5085.78 m = 16685.43 ft Mean mixing ratio: 1.46 g/kg Conv temperature: 30.70 C = 87.26 F Cap Strength: 20.88 C Lifted Index: 20.81 C Risk: None Lifted Index @300 mb: 23.26 C Lifted Index @700 mb: 15.37 C Showalter Index: 16.86 C Risk: None Total Totals Index: 21.96 C Risk: None Vertical Totals Index: 19.66 C Cross Totals Index: 2.30 C K Index: -23.54 Risk: None Sweat Index: 199.04 Risk: None Energy Index: 4.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.76 J/kg Max Up Vert Vel: 3.08 m/s Conv Inhibition (B-): 59955.09 J/kg Cap Strength: 20.52 C Lift Cond Lev (LCL): 779.98 mb = 2170.97 m = 7122.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 15 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 1011 111 90 7 -7.0 0.0 | 116 21 -18.7 9.1 1 1000 200 95 9 -9.0 0.8 | 116 23 -20.7 9.9 2 925 823 105 19 -18.4 4.9 | 115 33 -30.0 14.0 3 700 3020 280 9 8.9 -1.6 | 159 8 -2.8 7.5 4 500 5570 280 36 35.5 -6.3 | 263 24 23.8 2.8 5 400 7160 275 44 43.8 -3.8 | 261 33 32.1 5.2 6 300 9100 280 48 47.3 -8.3 | 269 36 35.6 0.7 7 250 10260 280 50 49.2 -8.7 | 269 38 37.5 0.4 8 200 11660 275 44 43.8 -3.8 | 261 33 32.1 5.2 9 150 13510 275 36 35.9 -3.1 | 256 25 24.2 5.9 10 100 16130 280 33 32.5 -5.7 | 261 21 20.8 3.3 11 70 18430 285 25 24.1 -6.5 | 258 13 12.5 2.6 12 50 20590 290 21 19.7 -7.2 | 257 8 8.0 1.9 13 30 23870 310 13 10.0 -8.4 | 112 2 -1.7 0.7 14 20 26460 325 21 12.0 -17.2 | 358 8 0.3 -8.1 Wind Parameters Mean winds (0-6000m): 277.8 at 19.7 knts Storm direction: 307.8 at 14.8 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 49.7 deg Storm rel helicity (0-3000m) pos: 220.1 neg: -9.7 tot: 210.3 m^2/s^2 ave: 70.1 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 129.39 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 98 12 115 25| 9.1 0.0 9.1| 0.2 -4.2 -4.0 -8.0 -0.07| 9.1 -0.7 1000 106 15 117 29| 6.6 0.0 6.6| 67.6 -4.2 63.3 63.3 0.36| 10.1 3.7 1500 118 15 123 30| 5.3 0.0 5.3|156.4 -4.2 152.2 101.5 0.57| 10.8 6.2 2000 126 15 127 30| 4.5 0.0 4.5|205.7 -4.2 201.5 100.7 0.61| 10.7 6.5 2500 121 14 124 29| 3.6 0.0 3.6|218.5 -4.2 214.3 85.7 0.56| 10.3 5.8 3000 106 14 117 28| 2.9 0.0 2.9|220.1 -9.7 210.3 70.1 0.47| 9.8 4.6 4000 122 14 125 29| 2.2 1.4 3.5|239.4 -9.7 229.7 57.4 0.53| 8.7 4.6 5000 275 16 211 9| 1.7 2.2 3.9|258.8 -9.7 249.0 49.8 0.53| 8.0 4.2 6000 278 20 231 10| 1.4 2.5 3.9|267.5 -11.7 255.8 42.6 0.49| 7.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250422.12.gif