UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 9 OCT 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 1003 112 7.4 6.1 91 1.3 6.8 180 3 280.3 281.3 279.7 296.4 5.89 1 1002 121 7.2 7.2 100 0.0 7.2 182 4 280.2 281.3 280.3 297.6 6.36 2 1000 137 7.4 7.4 100 0.0 7.4 185 5 280.5 281.7 280.6 298.2 6.46 3 978 321 8.4 8.4 100 0.0 8.4 202 11 283.3 284.6 282.5 302.9 7.08 4 967 415 10.0 9.3 95 0.7 9.6 211 14 285.9 287.2 284.2 307.1 7.62 5 925 782 7.0 3.0 76 4.0 5.0 245 25 286.5 287.4 281.7 301.0 5.13 6 874 1245 3.6 1.3 85 2.3 2.5 235 22 287.6 288.5 281.9 301.3 4.81 7 852 1452 2.6 -0.1 82 2.7 1.4 230 21 288.7 289.5 282.0 301.5 4.45 8 850 1471 2.6 -0.2 82 2.8 1.3 230 21 288.9 289.6 282.0 301.6 4.43 9 841 1557 2.4 -0.9 79 3.3 0.9 230 21 289.5 290.3 282.1 301.8 4.26 10 825 1713 4.6 -0.4 70 5.0 2.2 231 20 293.5 294.3 284.0 306.6 4.50 11 789 2075 3.0 -10.0 38 13.0 -1.9 232 19 295.5 295.9 282.3 302.4 2.26 12 720 2809 -1.9 -17.9 28 16.0 -6.8 234 18 298.0 298.2 282.2 302.1 1.30 13 700 3033 -2.5 -19.5 26 17.0 -7.5 235 17 299.7 299.9 282.8 303.4 1.16 14 678 3286 -3.3 -19.3 28 16.0 -8.1 235 16 301.6 301.8 283.6 305.5 1.22 15 664 3450 -4.1 -20.1 28 16.0 -8.8 235 16 302.5 302.7 283.9 306.2 1.17 16 601 4227 -9.7 -13.4 74 3.7 -10.9 235 14 304.7 305.2 286.0 311.9 2.26 17 585 4435 -9.5 -12.7 77 3.2 -10.6 235 14 307.3 307.8 287.1 315.2 2.46 18 572 4608 -10.1 -13.8 74 3.7 -11.3 235 13 308.6 309.1 287.4 316.0 2.30 19 500 5630 -17.3 -22.3 65 5.0 -18.6 235 11 311.9 312.2 287.5 316.2 1.28 20 432 6706 -24.7 -32.7 47 8.0 -26.0 133 4 315.9 316.0 288.1 317.8 0.57 21 400 7260 -28.9 -36.9 46 8.0 -29.9 80 1 317.4 317.5 288.3 318.9 0.40 22 360 8008 -34.1 -42.1 44 8.0 -34.8 96 1 320.2 320.2 289.1 321.1 0.26 23 300 9260 -44.7 -53.7 36 9.0 -45.1 125 1 322.4 322.4 289.6 322.7 0.09 24 259 10223 -53.3 -61.3 37 8.0 -53.5 246 11 323.5 323.5 289.9 323.7 0.04 25 250 10450 -54.1 -62.1 37 8.0 -54.2 275 13 325.6 325.6 290.5 325.8 0.04 26 231 10953 -56.7 -64.7 36 8.0 -56.8 285 19 329.1 329.1 291.5 329.2 0.03 27 215 11409 -54.7 -62.7 37 8.0 -54.9 273 16 339.1 339.1 294.1 339.2 0.04 28 200 11870 -54.9 -63.9 32 9.0 -55.1 260 13 345.8 345.8 295.7 346.0 0.04 29 153 13583 -53.9 -63.9 28 10.0 -54.2 260 13 375.1 375.1 301.5 375.3 0.05 30 150 13710 -54.1 -64.1 28 10.0 -54.4 260 13 376.9 376.9 301.8 377.1 0.05 31 129 14669 -57.9 -67.9 27 10.0 -58.1 264 13 386.6 386.7 303.3 386.8 0.03 32 106 15904 -59.1 -69.1 26 10.0 -59.3 269 13 406.7 406.7 306.1 406.9 0.03 33 100 16270 -58.7 -69.7 23 11.0 -59.0 270 13 414.3 414.3 307.0 414.5 0.03 34 70 18510 -60.1 -72.1 19 12.0 -60.4 275 15 455.8 455.8 311.4 456.0 0.03 35 50 20600 -59.9 -71.9 19 12.0 -60.4 300 13 502.3 502.3 315.1 502.6 0.05 36 48 20854 -60.9 -72.9 19 12.0 -61.3 505.8 505.9 315.4 506.1 0.04 TRP 231 10953 -56.7 -64.7 36 8.0 -56.8 285 19 329.1 329.1 291.5 329.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5493.00 m Freezing level: 746.76 mb = 2524.56 m = 8282.58 ft Wetbulb zero: 805.70 mb = 1905.01 m = 6249.97 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 60.91 % Est. max temperature: 15.72 C = 60.30 F Sfc-Lift cond lev (LCL): 983.24 mb = 276.62 m = 907.54 ft T: 8.16 C 700-500 lapse rate: 5.70 C/km ThetaE index: 6.12 C Layer 925.0- 874.0 mb Conv cond level (CCL): 901.09 mb = 995.93 m = 3267.45 ft Mean mixing ratio: 6.26 g/kg Conv temperature: 14.10 C = 57.38 F Cap Strength: 9.10 C Lifted Index: 9.93 C Risk: None Lifted Index @300 mb: 14.17 C Lifted Index @700 mb: 5.51 C Showalter Index: 10.57 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 17.10 C K Index: 2.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.50 J/kg Max Up Vert Vel: 7.14 m/s Conv Inhibition (B-): 24547.84 J/kg Cap Strength: 9.78 C Lift Cond Lev (LCL): 927.47 mb = 759.91 m = 2493.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 264 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 1003 112 180 3 0.0 3.0 | 98 12 -11.9 1.7 1 1000 137 185 5 0.4 5.0 | 108 12 -11.5 3.7 2 925 782 245 25 22.7 10.6 | 229 14 10.7 9.3 3 850 1471 230 21 16.1 13.5 | 199 13 4.2 12.2 4 700 3033 235 17 13.9 9.8 | 193 9 2.0 8.5 5 500 5630 235 11 9.0 6.3 | 150 6 -2.9 5.0 6 400 7260 80 1 -1.0 -0.2 | 84 13 -12.9 -1.5 7 300 9260 125 1 -0.8 0.6 | 87 13 -12.7 -0.7 8 250 10450 275 13 13.0 -1.1 | 337 3 1.0 -2.4 9 231 10953 285 19 18.4 -4.9 | 314 9 6.4 -6.2 10 200 11870 260 13 12.8 2.3 | 222 1 0.9 1.0 11 150 13710 260 13 12.8 2.3 | 222 1 0.9 1.0 12 100 16270 270 13 13.0 -0.0 | 320 2 1.1 -1.3 13 70 18510 275 15 14.9 -1.3 | 311 4 3.0 -2.6 14 50 20600 300 13 11.3 -6.5 | 5 8 -0.7 -7.8 Wind Parameters Mean winds (0-6000m): 233.9 at 16.0 knts Storm direction: 263.9 at 12.0 knts Shear (0-3000m) pos: 3.1 neg: 0.6 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 94.3 deg Storm rel helicity (0-3000m) pos: 85.6 neg: -27.0 tot: 58.6 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 7.07 Bulk Shear: 3.61 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 ------------------------------------------------------------------------------- 500 220 12 152 9| 18.4 0.0 18.4| 60.4 0.0 60.4 120.7 1.00| 20.4 20.4 1000 238 18 201 9| 11.1 0.0 11.1| 85.6 -11.5 74.1 74.1 0.78| 15.9 12.4 1500 237 19 203 10| 7.4 1.3 8.7| 85.6 -24.2 61.4 40.9 0.59| 11.9 7.0 2000 235 19 202 10| 5.3 1.0 6.2| 85.6 -24.9 60.7 30.3 0.56| 9.3 5.2 2500 235 19 201 11| 4.0 0.8 4.8| 85.6 -25.8 59.7 23.9 0.53| 7.7 4.1 3000 234 19 200 10| 3.1 0.6 3.8| 85.6 -27.0 58.6 19.5 0.50| 6.7 3.3 4000 235 18 197 10| 2.4 0.7 3.1| 85.6 -30.5 55.0 13.8 0.43| 5.3 2.3 5000 235 17 193 9| 1.9 0.8 2.7| 85.6 -34.1 51.5 10.3 0.36| 4.5 1.6 6000 234 16 187 8| 1.6 1.4 3.0| 85.6 -47.4 38.1 6.4 0.19| 4.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251009.00.gif