UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112900.upa.cvt Date: 0000Z 29 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 29 NOV 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 ------------------------------------------------------------------------------- 0 1000 52 225 11 SFC 993 109 2.2 0.5 88 1.7 1.5 225 11 275.9 276.6 275.0 286.8 3.99 2 956 415 0.4 -1.2 89 1.6 -0.3 241 27 277.1 277.7 275.2 287.2 3.66 3 929 646 2.4 0.8 89 1.6 1.7 253 38 281.4 282.2 278.4 293.6 4.36 4 925 681 2.2 0.4 88 1.8 1.4 255 40 281.6 282.3 278.3 293.4 4.25 5 850 1356 -3.3 -4.8 89 1.5 -3.9 270 38 282.7 283.2 277.4 291.6 3.14 6 847 1384 -3.5 -5.2 88 1.7 -4.1 270 38 282.8 283.3 277.4 291.5 3.06 7 832 1527 3.8 -6.2 48 10.0 -0.3 269 38 291.9 292.4 281.5 300.5 2.89 8 824 1605 4.4 -11.6 30 16.0 -1.4 269 39 293.3 293.7 281.0 299.1 1.91 9 815 1695 3.8 -17.2 20 21.0 -2.9 269 39 293.6 293.9 280.2 297.4 1.22 10 700 2912 -3.5 -25.5 16 22.0 -8.9 265 42 298.6 298.7 281.7 300.8 0.69 11 614 3937 -8.9 -28.9 18 20.0 -13.2 261 47 303.8 303.9 283.7 305.7 0.57 12 557 4683 -14.7 -30.7 24 16.0 -17.7 258 52 305.5 305.6 284.3 307.3 0.53 13 500 5490 -21.1 -29.1 49 8.0 -22.5 255 56 307.3 307.4 285.2 309.6 0.69 14 466 6006 -25.3 -32.3 52 7.0 -26.3 257 60 308.3 308.4 285.4 310.2 0.55 15 400 7100 -32.1 -35.3 73 3.2 -32.5 260 69 313.3 313.4 287.1 314.9 0.47 16 358 7869 -39.3 -43.6 64 4.3 -39.6 260 71 313.7 313.8 286.9 314.5 0.22 17 336 8301 -40.1 -44.5 63 4.4 -40.4 260 71 318.4 318.4 288.5 319.2 0.22 18 320 8631 -43.9 -48.6 60 4.7 -44.2 260 72 317.6 317.6 288.1 318.1 0.14 19 300 9060 -47.1 -51.7 59 4.6 -47.3 260 73 319.0 319.0 288.5 319.4 0.11 20 250 10250 -55.9 -59.9 61 4.0 -56.0 265 77 323.0 323.0 289.7 323.1 0.05 21 247 10326 -56.9 -61.1 59 4.2 -57.0 266 78 322.6 322.6 289.6 322.8 0.04 22 200 11640 -61.7 -65.6 60 3.9 -61.7 275 91 335.1 335.1 293.1 335.2 0.03 23 199 11671 -61.9 -65.8 59 3.9 -61.9 275 93 335.2 335.2 293.2 335.3 0.03 24 188 12021 -64.1 -68.2 57 4.1 -64.1 275 87 337.2 337.2 293.6 337.3 0.02 25 181 12254 -62.7 -66.8 58 4.1 -62.7 273 84 343.1 343.1 295.1 343.2 0.03 26 157 13136 -59.7 -63.8 59 4.1 -59.8 267 72 362.5 362.5 299.2 362.7 0.05 27 150 13420 -60.9 -64.7 61 3.8 -61.0 265 68 365.2 365.2 299.7 365.4 0.04 28 123 14653 -61.9 -66.1 57 4.2 -62.0 270 49 384.7 384.7 303.0 384.9 0.04 29 109 15395 -65.9 -70.0 56 4.1 -66.0 273 37 390.7 390.7 303.9 390.8 0.03 30 100 15920 -64.7 -69.2 54 4.5 -64.8 275 29 402.7 402.7 305.6 402.9 0.03 31 73 17826 -65.5 -70.1 53 4.6 -65.6 293 31 439.0 439.0 309.8 439.2 0.04 32 70 18080 -66.1 -71.0 50 4.9 -66.2 295 31 443.0 443.0 310.2 443.2 0.04 33 57 19318 -69.7 -74.6 49 4.9 -69.8 289 32 461.6 461.6 311.9 461.8 0.03 34 50 20100 -69.9 -74.9 48 5.0 -70.0 285 33 478.8 478.8 313.4 478.9 0.03 35 30 23110 -74.9 -79.9 46 5.0 -75.0 290 31 540.5 540.5 317.6 540.6 0.02 36 29 23307 -74.1 -79.1 46 5.0 -74.2 547.9 547.9 318.0 548.1 0.03 TRP 188 12021 -64.1 -68.2 57 4.1 -64.1 275 87 337.2 337.2 293.6 337.3 0.02 WND 199 11671 -61.9 -65.8 59 3.9 -61.9 275 93 335.2 335.2 293.2 335.3 0.03 Sounding variables and indices 1000-500 mb thick: 5438.00 m Freezing level: 895.00 mb = 951.00 m = 3120.04 ft Freezing level: 839.81 mb = 1452.50 m = 4765.35 ft Freezing level: 755.14 mb = 2328.30 m = 7638.68 ft Wetbulb zero: 961.75 mb = 366.66 m = 1202.93 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 39.32 % Est. max temperature: 11.46 C = 52.62 F Sfc-Lift cond lev (LCL): 967.06 mb = 322.24 m = 1057.21 ft T: 0.95 C 700-500 lapse rate: 6.83 C/km ThetaE index: 3.04 C Layer 824.0- 700.0 mb Conv cond level (CCL): 875.78 mb = 1117.48 m = 3666.21 ft Mean mixing ratio: 3.95 g/kg Conv temperature: 8.58 C = 47.45 F Cap Strength: 14.64 C Lifted Index: 15.03 C Risk: None Lifted Index @300 mb: 20.47 C Lifted Index @700 mb: 12.01 C Showalter Index: 13.92 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 16.30 C K Index: -9.00 Risk: None Sweat Index: 132.00 Risk: None Energy Index: 3.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.39 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 35265.91 J/kg Cap Strength: 14.93 C Lift Cond Lev (LCL): 917.62 mb = 744.97 m = 2444.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 33 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 ---------------------------------------------------------- 0 993 109 225 11 7.8 7.8 | 130 30 -23.5 19.4 1 925 681 255 40 38.6 10.4 | 199 23 7.4 22.0 2 850 1356 270 38 38.0 -0.0 | 210 13 6.8 11.6 3 700 2912 265 42 41.8 3.7 | 215 19 10.6 15.3 4 500 5490 255 56 54.1 14.5 | 221 35 22.9 26.1 5 400 7100 260 69 68.0 12.0 | 237 44 36.7 23.6 6 300 9060 260 73 71.9 12.7 | 239 47 40.7 24.3 7 250 10250 265 77 76.7 6.7 | 248 49 45.5 18.3 8 200 11640 275 91 90.7 -7.9 | 266 60 59.4 3.7 9 199 11671 275 93 92.6 -8.1 | 267 62 61.4 3.5 10 188 12021 275 87 86.7 -7.6 | 266 56 55.4 4.0 11 150 13420 265 68 67.7 5.9 | 244 41 36.5 17.6 12 100 15920 275 29 28.9 -2.5 | 166 9 -2.3 9.1 13 70 18080 295 31 28.1 -13.1 | 65 3 -3.1 -1.5 14 50 20100 285 33 31.9 -8.5 | 192 3 0.6 3.1 15 30 23110 290 31 29.1 -10.6 | 116 2 -2.1 1.0 Wind Parameters Mean winds (0-6000m): 260.4 at 44.4 knts Storm direction: 290.4 at 33.3 knts Shear (0-3000m) pos: 5.4 neg: 1.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 86.5 deg Storm rel helicity (0-3000m) pos: 239.5 neg: 0.0 tot: 239.5 m^2/s^2 ave: 79.8 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 6.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.46 Bulk Shear: 64.37 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 ------------------------------------------------------------------------------- 500 248 24 155 23| 27.7 0.0 27.7|187.5 0.0 187.5 375.1 0.97| 28.6 27.6 1000 255 31 177 20| 16.0 0.0 16.0|227.2 0.0 227.2 227.2 0.87| 19.9 17.3 1500 260 34 186 18| 10.9 0.0 10.9|233.2 0.0 233.2 155.5 0.82| 14.7 12.1 2000 262 35 192 17| 8.2 0.4 8.6|235.0 0.0 235.0 117.5 0.80| 11.5 9.2 2500 263 36 197 17| 6.5 0.7 7.2|236.5 0.0 236.5 94.6 0.78| 9.5 7.4 3000 264 37 200 17| 5.4 1.0 6.4|239.5 0.0 239.5 79.8 0.75| 8.3 6.3 4000 263 39 205 18| 4.1 1.5 5.6|248.6 0.0 248.6 62.1 0.70| 7.0 4.9 5000 262 42 210 20| 3.3 1.9 5.1|252.8 0.0 252.8 50.6 0.63| 6.3 4.0 6000 260 44 213 23| 3.1 1.8 4.9|293.9 -0.0 293.9 49.0 0.62| 5.9 3.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251129.00.gif