UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 28 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 50 225 9 SFC 993 106 0.4 -2.5 81 2.9 -0.7 225 9 274.1 274.6 272.8 282.8 3.20 2 956 410 -1.9 -4.9 80 3.0 -3.0 236 22 274.8 275.2 272.5 282.4 2.77 3 943 519 0.2 -2.6 81 2.8 -0.9 240 26 278.0 278.5 275.2 287.3 3.34 4 925 674 0.8 -1.7 83 2.5 -0.2 245 33 280.1 280.7 276.8 290.3 3.65 5 907 832 0.6 -2.1 82 2.7 -0.5 244 34 281.5 282.1 277.4 291.6 3.61 6 850 1350 -1.9 -5.0 79 3.1 -3.1 240 38 284.2 284.7 278.2 293.0 3.10 7 792 1911 -3.3 -5.3 86 2.0 -4.1 251 36 288.5 289.0 280.4 297.9 3.25 8 769 2145 -1.7 -3.9 85 2.2 -2.6 255 35 292.6 293.3 282.8 303.6 3.72 9 700 2890 -4.9 -8.4 76 3.5 -6.2 270 33 297.1 297.6 283.7 305.8 2.90 10 679 3129 -6.5 -9.6 79 3.1 -7.7 271 34 297.9 298.4 283.8 306.1 2.72 11 641 3578 -7.5 -11.9 71 4.4 -9.1 274 37 301.7 302.1 285.0 309.1 2.39 12 512 5293 -18.3 -20.0 86 1.7 -18.7 284 47 308.6 308.9 286.6 313.6 1.53 13 500 5470 -19.7 -21.7 84 2.0 -20.2 285 48 309.0 309.3 286.5 313.5 1.35 14 400 7080 -33.1 -36.2 74 3.1 -33.4 280 50 312.0 312.1 286.6 313.5 0.43 15 309 8836 -47.9 -51.5 66 3.6 -48.0 289 61 315.2 315.2 287.3 315.6 0.11 16 300 9030 -49.1 -52.8 65 3.7 -49.2 290 62 316.1 316.2 287.6 316.5 0.10 17 281 9455 -51.7 -55.2 66 3.5 -51.8 292 68 318.4 318.4 288.3 318.7 0.08 18 274 9617 -53.9 -57.7 63 3.8 -54.0 292 70 317.5 317.5 288.0 317.7 0.06 19 250 10200 -56.5 -60.0 65 3.5 -56.6 295 79 322.1 322.1 289.5 322.3 0.05 20 212 11231 -62.4 -66.3 60 3.8 -62.5 295 85 328.4 328.4 291.3 328.5 0.02 21 207 11378 -63.3 -67.2 59 3.9 -63.3 295 81 329.3 329.3 291.5 329.4 0.02 22 200 11590 -62.9 -66.8 59 3.9 -63.0 295 79 333.2 333.2 292.6 333.3 0.02 23 193 11810 -63.3 -67.2 59 3.9 -63.3 295 76 335.9 335.9 293.3 336.0 0.02 24 175 12412 -64.7 -68.6 58 3.9 -64.7 295 66 343.2 343.2 295.1 343.2 0.02 25 163 12852 -59.9 -63.9 59 4.0 -60.0 295 60 358.3 358.3 298.4 358.5 0.04 26 150 13370 -61.7 -65.7 59 4.0 -61.8 295 52 363.8 363.8 299.5 364.0 0.04 27 135 14019 -64.9 -69.1 56 4.2 -65.0 296 48 369.2 369.2 300.4 369.4 0.03 28 107 15431 -67.3 -71.9 52 4.6 -67.4 299 40 390.1 390.1 303.8 390.2 0.02 29 100 15840 -66.7 -71.3 52 4.6 -66.8 300 38 398.9 398.9 305.0 399.0 0.03 30 76 17501 -63.9 -68.9 50 5.0 -64.0 308 30 437.3 437.3 309.6 437.5 0.05 31 70 18000 -66.3 -71.3 49 5.0 -66.4 310 27 442.5 442.6 310.1 442.7 0.04 32 66 18354 -68.7 -73.7 48 5.0 -68.8 307 29 444.8 444.8 310.4 445.0 0.03 33 50 20010 -69.7 -74.7 48 5.0 -69.8 295 36 479.2 479.2 313.4 479.4 0.03 34 36 21965 -70.1 -76.1 41 6.0 -70.2 525.4 525.4 316.6 525.6 0.03 35 30 23040 -73.7 -79.7 39 6.0 -73.8 543.7 543.7 317.8 543.9 0.02 36 29 23237 -75.9 -81.9 38 6.0 -76.0 543.0 543.0 317.7 543.1 0.02 TRP 207 11378 -63.3 -67.2 59 3.9 -63.3 295 81 329.3 329.3 291.5 329.4 0.02 WND 212 11231 -62.4 -66.3 60 3.8 -62.5 295 85 328.4 328.4 291.3 328.5 0.02 Sounding variables and indices 1000-500 mb thick: 5420.00 m Freezing level: 986.57 mb = 159.17 m = 522.19 ft Freezing level: 944.24 mb = 508.85 m = 1669.44 ft Freezing level: 893.32 mb = 956.09 m = 3136.75 ft Wetbulb zero: Below ground Precipitable water: 0.61 inches Sfc-500 mean rel hum: 80.00 % Est. max temperature: 10.93 C = 51.68 F Sfc-Lift cond lev (LCL): 949.03 mb = 468.37 m = 1536.62 ft T: -0.78 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.43 C Layer 956.0- 943.0 mb Conv cond level (CCL): 633.44 mb = 3668.98 m = 12037.18 ft Mean mixing ratio: 3.29 g/kg Conv temperature: 28.30 C = 82.93 F Cap Strength: 18.77 C Lifted Index: 18.89 C Risk: None Lifted Index @300 mb: 20.78 C Lifted Index @700 mb: 12.78 C Showalter Index: 14.26 C Risk: None Total Totals Index: 32.50 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 14.70 C K Index: 9.30 Risk: None Sweat Index: 237.39 Risk: None Energy Index: 4.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.86 J/kg Max Up Vert Vel: 9.15 m/s Conv Inhibition (B-): 39305.74 J/kg Cap Strength: 18.83 C Lift Cond Lev (LCL): 901.96 mb = 876.21 m = 2874.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 28 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 ---------------------------------------------------------- 0 993 106 225 9 6.4 6.4 | 137 27 -18.6 19.7 1 925 674 245 33 29.9 13.9 | 190 28 4.9 27.3 2 850 1350 240 38 32.9 19.0 | 194 33 8.0 32.3 3 700 2890 270 33 33.0 -0.0 | 211 16 8.0 13.3 4 500 5470 285 48 46.4 -12.4 | 268 21 21.4 0.9 5 400 7080 280 50 49.2 -8.7 | 259 25 24.3 4.7 6 300 9030 290 62 58.3 -21.2 | 283 34 33.3 -7.9 7 250 10200 295 79 71.6 -33.4 | 293 51 46.6 -20.0 8 212 11231 295 85 77.0 -35.9 | 293 57 52.1 -22.6 9 207 11378 295 81 73.4 -34.2 | 293 53 48.5 -20.9 10 200 11590 295 79 71.6 -33.4 | 293 51 46.6 -20.0 11 150 13370 295 52 47.1 -22.0 | 291 24 22.2 -8.6 12 100 15840 300 38 32.9 -19.0 | 305 10 8.0 -5.7 13 70 18000 310 27 20.7 -17.4 | 47 6 -4.3 -4.0 14 50 20010 295 36 32.6 -15.2 | 284 8 7.7 -1.9 Wind Parameters Mean winds (0-6000m): 268.1 at 37.7 knts Storm direction: 298.1 at 28.3 knts Shear (0-3000m) pos: 4.3 neg: 1.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 79.8 deg Storm rel helicity (0-3000m) pos: 248.5 neg: 0.0 tot: 248.5 m^2/s^2 ave: 82.8 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 6.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.63 Bulk Shear: 66.83 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 ------------------------------------------------------------------------------- 500 240 20 161 24| 22.4 0.0 22.4|155.2 0.0 155.2 310.4 1.00| 22.7 22.7 1000 242 27 177 26| 11.2 3.1 14.3|188.2 0.0 188.2 188.2 0.92| 14.8 13.6 1500 242 30 184 28| 7.9 2.1 10.0|206.4 0.0 206.4 137.6 0.85| 11.6 9.8 2000 244 32 188 27| 5.9 1.6 7.4|226.0 0.0 226.0 113.0 0.78| 10.3 8.1 2500 247 32 191 26| 4.8 1.3 6.0|238.2 0.0 238.2 95.3 0.72| 9.5 6.9 3000 251 33 193 25| 4.3 1.0 5.3|248.5 0.0 248.5 82.8 0.70| 8.7 6.1 4000 257 34 201 22| 4.1 0.8 4.9|277.5 0.0 277.5 69.4 0.74| 7.5 5.5 5000 263 36 211 20| 4.0 0.6 4.6|309.7 0.0 309.7 61.9 0.75| 6.7 5.1 6000 268 38 221 19| 3.5 0.6 4.2|322.1 -7.4 314.7 52.5 0.72| 6.0 4.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251128.12.gif