UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010612.upa.cvt Date: 1200Z 6 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 6 JAN 26 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 1012 109 -13.7 -15.6 86 1.9 -14.1 315 1 258.6 258.7 258.3 261.6 1.12 1 1000 200 -13.1 -15.3 84 2.2 -13.6 290 3 260.0 260.2 259.6 263.2 1.16 2 984 323 -11.9 -13.5 88 1.6 -12.3 285 6 262.5 262.7 261.9 266.2 1.37 3 951 582 -13.5 -14.4 93 0.9 -13.7 274 12 263.4 263.6 262.4 267.0 1.32 4 946 622 -11.3 -12.4 92 1.1 -11.6 272 13 266.0 266.3 264.8 270.3 1.56 5 943 646 -11.3 -12.5 91 1.2 -11.6 271 14 266.3 266.5 265.0 270.5 1.55 6 925 793 -11.3 -14.2 79 2.9 -12.0 265 17 267.8 268.0 265.7 271.6 1.37 7 880 1176 -11.3 -18.3 56 7.0 -12.8 271 15 271.6 271.8 267.7 274.5 1.03 8 867 1290 -12.1 -22.1 43 10.0 -14.0 273 14 271.9 272.0 267.4 274.1 0.75 9 850 1441 -12.9 -24.9 36 12.0 -15.0 275 13 272.6 272.7 267.6 274.4 0.60 10 749 2393 -19.1 -37.1 19 18.0 -21.0 291 20 275.9 276.0 269.0 276.6 0.21 11 700 2892 -23.1 -43.1 14 20.0 -24.7 300 23 276.9 276.9 269.5 277.3 0.12 12 698 2913 -23.3 -43.3 14 20.0 -24.9 300 23 276.9 276.9 269.5 277.3 0.12 13 605 3940 -32.5 -47.5 21 15.0 -33.3 300 26 277.8 277.9 270.0 278.1 0.09 14 556 4531 -35.7 -48.7 25 13.0 -36.3 300 28 280.9 280.9 271.8 281.1 0.08 15 500 5260 -41.7 -54.7 23 13.0 -42.1 300 31 282.2 282.2 272.5 282.4 0.05 16 400 6730 -53.1 -66.1 19 13.0 -53.2 280 36 286.0 286.0 274.6 286.0 0.01 17 398 6762 -53.3 -66.3 19 13.0 -53.4 280 37 286.1 286.1 274.6 286.2 0.01 18 310 8354 -58.5 -69.5 23 11.0 -58.6 271 63 300.1 300.1 281.4 300.1 0.01 19 300 8560 -58.3 -69.3 23 11.0 -58.4 270 66 303.2 303.2 282.7 303.2 0.01 20 282 8949 -58.9 -69.9 23 11.0 -59.0 267 66 307.7 307.7 284.5 307.8 0.01 21 272 9174 -60.9 -71.9 22 11.0 -61.0 265 66 308.0 308.0 284.6 308.0 0.01 22 259 9479 -60.4 -71.4 22 11.0 -60.4 265 66 313.1 313.1 286.4 313.1 0.01 23 252 9650 -60.1 -71.1 22 11.0 -60.2 265 66 316.0 316.0 287.4 316.0 0.01 24 250 9700 -60.3 -71.3 22 11.0 -60.4 265 66 316.4 316.4 287.6 316.5 0.01 25 229 10244 -62.3 -73.3 22 11.0 -62.4 265 61 321.4 321.4 289.2 321.4 0.01 26 200 11080 -62.1 -73.1 22 11.0 -62.2 265 54 334.4 334.4 292.9 334.5 0.01 27 175 11907 -60.9 -72.9 19 12.0 -61.0 263 50 349.4 349.4 296.5 349.5 0.01 28 150 12860 -62.9 -74.9 18 12.0 -63.0 260 46 361.7 361.7 299.1 361.8 0.01 29 128 13830 -66.3 -79.3 15 13.0 -66.4 260 47 372.4 372.4 301.0 372.4 0.01 30 100 15330 -65.7 -78.7 15 13.0 -65.8 260 48 400.8 400.8 305.3 400.8 0.01 31 85 16317 -66.1 -79.1 15 13.0 -66.2 260 49 419.0 419.0 307.6 419.1 0.01 32 74 17149 -70.3 -84.3 11 14.0 -70.4 260 50 427.1 427.1 308.5 427.2 0.00 33 70 17480 -68.9 -82.9 12 14.0 -69.0 260 50 437.0 437.0 309.6 437.0 0.01 34 63 18108 -68.5 -82.5 12 14.0 -68.7 257 53 451.2 451.2 311.0 451.3 0.01 35 50 19480 -71.1 -85.1 11 14.0 -71.2 250 60 475.9 475.9 313.1 476.0 0.01 36 49 19599 -71.1 -85.1 11 14.0 -71.2 250 61 478.7 478.7 313.4 478.7 0.01 37 43 20375 -68.9 -82.9 12 14.0 -69.1 250 64 502.3 502.3 315.1 502.4 0.01 38 37 21266 -72.3 -86.3 10 14.0 -72.5 250 68 515.7 515.7 316.0 515.7 0.01 39 30 22500 -71.7 -85.7 11 14.0 -71.9 250 73 549.2 549.2 318.1 549.2 0.01 40 23 24073 -71.1 -85.1 11 14.0 -71.3 253 83 594.3 594.3 320.3 594.4 0.01 41 21 24616 -68.1 -83.1 10 15.0 -68.5 254 87 619.0 619.0 321.5 619.2 0.02 42 20 24910 -66.7 -81.7 10 15.0 -67.2 255 89 632.0 632.0 322.0 632.2 0.03 43 16 26257 -67.5 -82.5 10 15.0 -68.1 671.0 671.1 323.4 671.3 0.03 TRP 272 9174 -60.9 -71.9 22 11.0 -61.0 265 66 308.0 308.0 284.6 308.0 0.01 WND 259 9479 -60.4 -71.4 22 11.0 -60.4 265 66 313.1 313.1 286.4 313.1 0.01 Sounding variables and indices 1000-500 mb thick: 5060.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 34.65 % Est. max temperature: -0.09 C = 31.84 F Sfc-Lift cond lev (LCL): 981.26 mb = 343.70 m = 1127.62 ft T: -12.03 C 700-500 lapse rate: 7.85 C/km ThetaE index: 0.43 C Layer 867.0- 850.0 mb Conv cond level (CCL): 790.82 mb = 1984.06 m = 6509.30 ft Mean mixing ratio: 1.34 g/kg Conv temperature: 2.32 C = 36.18 F Cap Strength: 11.51 C Lifted Index: 12.13 C Risk: None Lifted Index @300 mb: 25.23 C Lifted Index @700 mb: 9.40 C Showalter Index: 6.68 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 16.80 C K Index: -16.10 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.86 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 49396.21 J/kg Cap Strength: 12.13 C Lift Cond Lev (LCL): 932.13 mb = 734.38 m = 2409.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 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 1012 109 315 1 0.7 -0.7 | 144 16 -9.3 12.9 1 1000 200 290 3 2.8 -1.0 | 150 14 -7.2 12.6 2 925 793 265 17 16.9 1.5 | 205 17 6.9 15.1 3 850 1441 275 13 13.0 -1.1 | 193 13 3.0 12.5 4 700 2892 300 23 19.9 -11.5 | 258 10 9.9 2.1 5 500 5260 300 31 26.8 -15.5 | 276 17 16.9 -1.9 6 400 6730 280 36 35.5 -6.3 | 254 27 25.5 7.4 7 300 8560 270 66 66.0 -0.0 | 256 58 56.0 13.6 8 272 9174 265 66 65.7 5.8 | 251 59 55.8 19.4 9 259 9479 265 66 65.7 5.8 | 251 59 55.8 19.4 10 250 9700 265 66 65.7 5.8 | 251 59 55.8 19.4 11 200 11080 265 54 53.8 4.7 | 247 47 43.8 18.3 12 150 12860 260 46 45.3 8.0 | 239 41 35.3 21.6 13 100 15330 260 48 47.3 8.3 | 240 43 37.3 21.9 14 70 17480 260 50 49.2 8.7 | 240 45 39.3 22.3 15 50 19480 250 60 56.4 20.5 | 234 58 46.4 34.1 16 30 22500 250 73 68.6 25.0 | 237 70 58.6 38.6 17 20 24910 255 89 86.0 23.0 | 244 84 76.0 36.6 Wind Parameters Mean winds (0-6000m): 293.7 at 22.5 knts Storm direction: 323.7 at 16.9 knts Shear (0-3000m) pos: 2.2 neg: 2.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 116.3 deg Storm rel helicity (0-3000m) pos: 87.2 neg: -10.0 tot: 77.2 m^2/s^2 ave: 25.7 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.10 Bulk Shear: 34.50 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 ------------------------------------------------------------------------------- 500 277 7 166 13| 0.0 12.3 12.3| 37.6 0.0 37.6 75.1 0.89| 12.5 11.1 1000 268 11 185 14| 0.0 7.4 7.4| 50.4 -4.6 45.8 45.8 0.68| 9.8 6.7 1500 270 12 189 14| 0.8 4.9 5.7| 54.0 -10.0 44.1 29.4 0.56| 7.7 4.3 2000 274 13 193 13| 1.4 3.7 5.1| 66.3 -10.0 56.3 28.2 0.62| 6.9 4.3 2500 279 14 200 12| 2.0 3.0 5.0| 78.7 -10.0 68.7 27.5 0.67| 6.4 4.3 3000 285 16 208 11| 2.2 2.5 4.7| 87.2 -10.0 77.2 25.7 0.70| 5.9 4.2 4000 290 18 224 10| 1.7 2.2 3.9| 93.3 -10.0 83.3 20.8 0.69| 4.9 3.4 5000 293 20 238 10| 1.3 2.1 3.4| 99.4 -10.0 89.4 17.9 0.67| 4.3 2.8 6000 294 23 247 12| 1.1 2.2 3.4|100.0 -34.2 65.8 11.0 0.47| 4.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260106.12.gif