UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 1 MAY 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 1004 112 7.0 -9.0 31 16.0 1.3 90 7 279.8 280.2 274.2 285.3 1.92 1 1000 145 7.4 -6.6 36 14.0 2.0 90 7 280.5 280.9 275.2 287.2 2.33 2 944 613 3.2 -11.8 32 15.0 -1.7 31 4 280.9 281.2 274.4 285.7 1.64 3 939 655 3.2 -12.8 30 16.0 -2.0 25 4 281.4 281.6 274.5 285.8 1.52 4 925 776 1.8 -13.2 32 15.0 -2.9 10 3 281.1 281.4 274.3 285.5 1.49 5 900 995 -1.3 -15.3 34 14.0 -5.3 339 6 280.2 280.4 273.4 283.9 1.29 6 888 1102 -1.1 -15.1 34 14.0 -5.2 324 7 281.5 281.7 274.2 285.4 1.33 7 850 1448 -5.1 -18.1 35 13.0 -8.4 275 11 280.8 281.0 273.5 284.0 1.08 8 825 1681 -7.9 -19.9 37 12.0 -10.7 285 11 280.3 280.4 272.9 283.1 0.95 9 776 2153 -11.9 -21.9 43 10.0 -14.0 305 11 280.9 281.0 273.2 283.5 0.85 10 752 2393 -11.9 -20.9 47 9.0 -13.9 316 11 283.4 283.6 274.8 286.3 0.96 11 747 2444 -11.1 -20.1 47 9.0 -13.2 318 11 284.8 285.0 275.6 288.0 1.04 12 700 2939 -14.5 -26.5 35 12.0 -16.7 340 11 286.4 286.5 275.8 288.4 0.63 13 675 3213 -16.7 -29.7 32 13.0 -18.8 338 11 287.0 287.0 275.9 288.5 0.48 14 526 5047 -26.5 -42.5 21 16.0 -27.9 323 9 296.4 296.4 280.0 297.0 0.17 15 500 5410 -29.5 -46.5 18 17.0 -30.7 320 9 297.1 297.1 280.2 297.5 0.12 16 492 5525 -30.5 -47.5 17 17.0 -31.7 319 9 297.2 297.2 280.3 297.6 0.11 17 421 6612 -39.9 -55.9 17 16.0 -40.5 308 14 298.7 298.7 280.8 298.9 0.05 18 400 6960 -41.9 -57.9 16 16.0 -42.4 305 15 300.5 300.5 281.6 300.7 0.04 19 300 8850 -55.7 -71.7 12 16.0 -55.9 310 29 306.8 306.8 284.1 306.9 0.01 20 296 8935 -56.1 -72.1 12 16.0 -56.2 305 29 307.4 307.4 284.4 307.5 0.01 21 265 9638 -55.5 -70.5 14 15.0 -55.7 308 24 318.2 318.2 288.2 318.2 0.01 22 250 10010 -53.9 -69.9 12 16.0 -54.1 310 21 325.9 325.9 290.6 326.0 0.01 23 234 10437 -51.3 -67.3 13 16.0 -51.6 311 22 336.1 336.1 293.4 336.2 0.02 24 200 11460 -50.3 -67.3 12 17.0 -50.7 315 23 353.1 353.1 297.3 353.2 0.02 25 169 12560 -49.1 -67.1 10 18.0 -49.7 309 22 372.5 372.5 301.0 372.7 0.03 26 150 13340 -50.1 -68.1 10 18.0 -50.7 305 21 383.7 383.7 302.9 383.9 0.03 27 100 15980 -52.1 -71.1 8 19.0 -52.8 300 23 427.1 427.1 308.5 427.2 0.03 28 70 18290 -52.7 -72.7 7 20.0 -53.6 305 13 471.6 471.6 312.8 471.8 0.03 29 66 18672 -50.1 -71.1 7 21.0 -51.4 297 12 485.3 485.3 313.9 485.5 0.04 30 56 19741 -51.9 -73.9 5 22.0 -53.1 275 9 504.5 504.6 315.3 504.7 0.03 31 51 20350 -49.5 -71.5 6 22.0 -51.2 263 7 523.8 523.9 316.6 524.2 0.05 32 50 20480 -49.3 -71.3 6 22.0 -51.0 260 7 527.3 527.3 316.8 527.6 0.05 33 43 21466 -51.1 -73.1 6 22.0 -52.8 250 9 546.1 546.1 317.9 546.4 0.05 34 30 23820 -48.9 -69.9 7 21.0 -51.5 225 13 611.3 611.4 321.2 612.1 0.10 35 27 24513 -48.1 -71.1 5 23.0 -51.2 632.3 632.3 322.0 633.0 0.10 TRP 296 8935 -56.1 -72.1 12 16.0 -56.2 305 29 307.4 307.4 284.4 307.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5265.00 m Freezing level: 910.48 mb = 903.35 m = 2963.70 ft Wetbulb zero: 969.95 mb = 392.51 m = 1287.73 ft Precipitable water: 0.19 inches Sfc-500 mean rel hum: 31.94 % Est. max temperature: 8.05 C = 46.48 F Sfc-Lift cond lev (LCL): 784.08 mb = 2072.86 m = 6800.65 ft T: -11.22 C 700-500 lapse rate: 6.07 C/km ThetaE index: 2.27 C Layer 850.0- 776.0 mb Conv cond level (CCL): 699.71 mb = 2942.15 m = 9652.61 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 13.61 C = 56.50 F Cap Strength: 9.57 C Lifted Index: 9.80 C Risk: None Lifted Index @300 mb: 14.83 C Lifted Index @700 mb: 3.88 C Showalter Index: 11.29 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 11.40 C K Index: -5.70 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.51 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 47515.95 J/kg Cap Strength: 9.80 C Lift Cond Lev (LCL): 760.05 mb = 2311.40 m = 7583.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 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 1004 112 90 7 -7.0 0.0 | 132 11 -7.9 7.0 1 1000 145 90 7 -7.0 0.0 | 132 11 -7.9 7.0 2 925 776 10 3 -0.5 -3.0 | 160 4 -1.5 4.1 3 850 1448 275 11 11.0 -1.0 | 239 12 10.0 6.1 4 700 2939 340 11 3.8 -10.3 | 319 4 2.8 -3.3 5 500 5410 320 9 5.8 -6.9 | 268 5 4.8 0.1 6 400 6960 305 15 12.3 -8.6 | 278 11 11.4 -1.6 7 300 8850 310 29 22.2 -18.6 | 299 24 21.3 -11.6 8 296 8935 305 29 23.8 -16.6 | 293 25 22.8 -9.6 9 250 10010 310 21 16.1 -13.5 | 293 16 15.2 -6.5 10 200 11460 315 23 16.3 -16.3 | 301 18 15.3 -9.2 11 150 13340 305 21 17.2 -12.0 | 287 17 16.3 -5.0 12 100 15980 300 23 19.9 -11.5 | 283 20 19.0 -4.5 13 70 18290 305 13 10.6 -7.5 | 272 10 9.7 -0.4 14 50 20480 260 7 6.9 1.2 | 216 10 6.0 8.2 15 30 23820 225 13 9.2 9.2 | 207 18 8.3 16.2 Wind Parameters Mean winds (0-6000m): 322.4 at 9.5 knts Storm direction: 352.4 at 7.1 knts Shear (0-3000m) pos: 1.8 neg: 3.1 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): -176.1 deg Storm rel helicity (0-3000m) pos: 25.7 neg: -5.5 tot: 20.2 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 20.48 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 71 6 130 8| 0.0 6.2 6.2| 1.8 -1.9 -0.1 -0.2 0.07| 6.6 0.5 1000 40 5 127 5| 0.0 6.5 6.5| 6.1 -1.9 4.3 4.3 0.44| 7.0 3.1 1500 313 7 237 5| 0.0 6.1 6.1| 8.5 -5.3 3.3 2.2 0.25| 7.7 1.9 2000 301 8 242 6| 1.1 4.6 5.7| 16.7 -5.3 11.5 5.7 0.33| 6.9 2.3 2500 306 8 251 6| 1.7 3.7 5.4| 22.7 -5.3 17.4 7.0 0.39| 6.3 2.5 3000 314 9 261 5| 1.8 3.1 4.8| 25.7 -5.5 20.2 6.7 0.42| 5.8 2.4 4000 322 9 273 5| 1.3 2.4 3.7| 25.7 -7.4 18.3 4.6 0.35| 4.5 1.6 5000 324 9 276 5| 1.1 2.0 3.1| 25.7 -9.2 16.5 3.3 0.30| 3.8 1.1 6000 322 9 275 5| 0.9 1.9 2.8| 27.1 -9.8 17.4 2.9 0.28| 3.5 1.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250501.12.gif