UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 27 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 ------------------------------------------------------------------------------- SFC 1002 113 -2.9 -5.2 84 2.3 -3.7 200 1 270.1 270.5 269.4 277.1 2.59 1 1000 129 -3.3 -6.3 80 3.0 -4.3 200 1 269.9 270.2 268.8 276.3 2.38 2 925 739 -8.5 -9.8 90 1.3 -8.9 185 7 270.6 270.9 268.7 276.0 1.96 3 910 866 -9.5 -10.7 91 1.2 -9.8 184 8 270.9 271.2 268.7 276.0 1.86 4 906 900 -8.3 -9.5 91 1.2 -8.7 184 8 272.4 272.8 270.0 278.1 2.05 5 904 917 -6.9 -8.4 89 1.5 -7.4 184 9 274.0 274.4 271.3 280.3 2.24 6 860 1306 -7.5 -15.5 53 8.0 -9.6 181 12 277.4 277.6 271.8 281.2 1.33 7 850 1397 -7.7 -15.7 53 8.0 -9.8 180 13 278.1 278.3 272.2 281.9 1.32 8 760 2264 -9.1 -26.1 24 17.0 -12.5 217 19 285.6 285.7 275.3 287.5 0.60 9 708 2808 -12.1 -35.1 13 23.0 -15.6 241 22 288.1 288.2 276.2 289.0 0.27 10 700 2895 -12.9 -34.9 14 22.0 -16.2 245 23 288.2 288.2 276.2 289.1 0.28 11 657 3375 -15.3 -29.3 29 14.0 -17.7 248 25 290.8 290.9 277.9 292.4 0.51 12 640 3573 -14.9 -30.9 24 16.0 -17.6 249 26 293.4 293.5 279.0 294.9 0.45 13 577 4347 -21.1 -36.1 25 15.0 -23.0 254 30 295.0 295.0 279.6 296.0 0.30 14 542 4807 -23.3 -41.3 18 18.0 -25.2 256 33 297.7 297.7 280.6 298.3 0.19 15 500 5390 -28.7 -44.7 20 16.0 -30.0 260 36 298.0 298.1 280.7 298.5 0.14 16 459 5997 -33.7 -44.7 32 11.0 -34.4 258 43 299.2 299.2 281.2 299.7 0.16 17 441 6276 -35.9 -47.9 28 12.0 -36.6 257 46 299.8 299.9 281.4 300.2 0.11 18 400 6950 -39.1 -54.1 19 15.0 -39.7 255 54 304.2 304.2 283.1 304.4 0.06 19 380 7299 -40.5 -56.5 16 16.0 -41.1 253 58 306.8 306.8 284.2 307.0 0.05 20 334 8162 -48.1 -64.1 14 16.0 -48.4 248 69 308.0 308.0 284.6 308.0 0.02 21 309 8669 -51.6 -67.6 13 16.0 -51.8 245 75 310.0 310.0 285.4 310.1 0.01 22 300 8860 -52.9 -68.9 13 16.0 -53.1 250 73 310.8 310.8 285.6 310.8 0.01 23 273 9464 -56.3 -70.3 16 14.0 -56.5 253 66 314.4 314.4 286.9 314.4 0.01 24 250 10020 -58.3 -72.3 15 14.0 -58.4 255 60 319.4 319.4 288.5 319.4 0.01 25 220 10818 -61.7 -74.7 16 13.0 -61.8 260 48 326.0 326.0 290.6 326.1 0.01 26 219 10846 -61.7 -74.7 16 13.0 -61.8 260 48 326.5 326.5 290.7 326.5 0.01 27 212 11048 -60.3 -73.3 17 13.0 -60.4 258 46 331.7 331.7 292.2 331.7 0.01 28 200 11410 -61.3 -74.3 16 13.0 -61.4 255 44 335.7 335.7 293.2 335.7 0.01 29 157 12924 -58.7 -72.7 15 14.0 -58.9 276 41 364.2 364.2 299.5 364.2 0.01 30 150 13210 -59.3 -73.3 15 14.0 -59.5 280 40 367.9 367.9 300.2 368.0 0.01 31 100 15720 -64.1 -79.1 11 15.0 -64.3 285 36 403.9 403.9 305.7 403.9 0.01 32 70 17890 -65.3 -81.3 9 16.0 -65.5 290 38 444.7 444.7 310.3 444.7 0.01 33 68 18066 -65.5 -81.5 9 16.0 -65.7 290 38 448.0 448.0 310.7 448.0 0.01 34 62 18620 -69.1 -85.1 8 16.0 -69.2 292 38 452.0 452.0 311.0 452.0 0.00 35 51 19791 -66.5 -82.5 9 16.0 -66.7 295 38 484.0 484.0 313.8 484.1 0.01 36 50 19910 -67.3 -83.3 9 16.0 -67.5 295 38 484.9 484.9 313.8 484.9 0.01 37 43 20811 -70.7 -86.7 8 16.0 -70.9 296 38 497.9 497.9 314.8 497.9 0.00 38 30 22940 -71.7 -87.7 7 16.0 -71.9 300 38 549.2 549.2 318.1 549.2 0.01 39 20 25290 -77.3 -93.3 6 16.0 -77.4 315 31 599.6 599.6 320.6 599.6 0.00 40 15 26927 -80.5 -96.5 5 16.0 -80.6 640.3 640.3 322.3 640.3 0.00 TRP 220 10818 -61.7 -74.7 16 13.0 -61.8 260 48 326.0 326.0 290.6 326.1 0.01 WND 309 8669 -51.6 -67.6 13 16.0 -51.8 245 75 310.0 310.0 285.4 310.1 0.01 Sounding variables and indices 1000-500 mb thick: 5261.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 37.67 % Est. max temperature: 4.94 C = 40.90 F Sfc-Lift cond lev (LCL): 966.29 mb = 397.30 m = 1303.48 ft T: -5.59 C 700-500 lapse rate: 6.33 C/km ThetaE index: 1.12 C Layer 1000.0- 906.0 mb Conv cond level (CCL): 919.61 mb = 784.26 m = 2573.01 ft Mean mixing ratio: 2.13 g/kg Conv temperature: -2.29 C = 27.88 F Cap Strength: 18.40 C Lifted Index: 18.10 C Risk: None Lifted Index @300 mb: 24.42 C Lifted Index @700 mb: 12.57 C Showalter Index: 13.70 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 13.00 C K Index: -16.70 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.55 J/kg Max Up Vert Vel: 3.62 m/s Conv Inhibition (B-): 49716.52 J/kg Cap Strength: 18.41 C Lift Cond Lev (LCL): 922.18 mb = 762.67 m = 2502.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 17 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 1002 113 200 1 0.3 0.9 | 99 17 -17.1 2.8 1 1000 129 200 1 0.3 0.9 | 99 17 -17.1 2.8 2 925 739 185 7 0.6 7.0 | 118 19 -16.8 8.8 3 850 1397 180 13 0.0 13.0 | 131 23 -17.4 14.9 4 700 2895 245 23 20.8 9.7 | 197 12 3.4 11.6 5 500 5390 260 36 35.5 6.3 | 246 20 18.1 8.1 6 400 6950 255 54 52.2 14.0 | 245 38 34.8 15.8 7 309 8669 245 75 68.0 31.7 | 236 61 50.6 33.6 8 300 8860 250 73 68.6 25.0 | 242 58 51.2 26.8 9 250 10020 255 60 58.0 15.5 | 247 44 40.6 17.4 10 220 10818 260 48 47.3 8.3 | 251 32 29.9 10.2 11 200 11410 255 44 42.5 11.4 | 242 28 25.1 13.3 12 150 13210 280 40 39.4 -6.9 | 283 23 22.0 -5.1 13 100 15720 285 36 34.8 -9.3 | 293 19 17.4 -7.4 14 70 17890 290 38 35.7 -13.0 | 301 21 18.3 -11.1 15 50 19910 295 38 34.4 -16.1 | 310 22 17.0 -14.2 16 30 22940 300 38 32.9 -19.0 | 318 23 15.5 -17.1 17 20 25290 315 31 21.9 -21.9 | 347 21 4.5 -20.1 Wind Parameters Mean winds (0-6000m): 246.1 at 23.3 knts Storm direction: 276.1 at 17.5 knts Shear (0-3000m) pos: 3.7 neg: 1.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 150.4 neg: 0.0 tot: 150.4 m^2/s^2 ave: 50.1 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 62.11 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 ------------------------------------------------------------------------------- 500 190 3 107 18| 0.0 4.9 4.9| 21.5 0.0 21.5 42.9 0.96| 5.0 4.8 1000 185 6 114 19| 0.0 4.9 4.9| 41.3 0.0 41.3 41.3 0.89| 4.9 4.4 1500 184 8 120 20| 1.5 3.2 4.7| 66.7 0.0 66.7 44.5 0.87| 5.1 4.4 2000 191 10 127 19| 2.6 2.4 5.0|100.7 0.0 100.7 50.3 0.88| 5.6 4.9 2500 203 12 135 18| 3.4 1.9 5.4|131.1 0.0 131.1 52.4 0.87| 6.1 5.3 3000 216 14 144 16| 3.7 1.6 5.3|150.4 0.0 150.4 50.1 0.87| 6.2 5.4 4000 230 17 161 13| 3.6 1.2 4.8|169.6 0.0 169.6 42.4 0.87| 5.4 4.7 5000 240 20 180 12| 3.5 1.0 4.4|192.0 0.0 192.0 38.4 0.87| 5.0 4.3 6000 246 23 199 12| 3.2 1.1 4.3|200.4 -0.1 200.4 33.4 0.74| 5.0 3.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251127.12.gif