UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112612.upa.cvt Date: 1200Z 26 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 26 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 1005 108 -5.3 -6.9 88 1.6 -5.8 250 5 267.5 267.8 267.1 273.6 2.26 1 1000 147 -5.9 -8.0 85 2.1 -6.5 250 7 267.2 267.6 266.6 272.9 2.09 2 961 457 -8.3 -9.9 88 1.6 -8.8 255 12 267.9 268.2 266.7 273.0 1.87 3 954 514 -7.3 -9.1 87 1.8 -7.8 256 13 269.5 269.8 268.0 274.9 2.01 4 950 546 -4.3 -6.9 82 2.6 -5.1 257 14 272.8 273.2 270.8 279.4 2.39 5 939 638 -3.1 -7.8 70 4.7 -4.7 258 15 275.0 275.3 271.9 281.3 2.26 6 925 757 -3.3 -11.3 54 8.0 -5.7 260 17 275.9 276.2 271.6 280.9 1.74 7 901 964 -4.3 -16.3 39 12.0 -7.5 255 16 277.0 277.2 271.4 280.4 1.19 8 850 1421 -7.3 -18.3 41 11.0 -9.9 245 13 278.5 278.7 272.1 281.6 1.06 9 783 2054 -12.1 -22.1 43 10.0 -14.2 247 16 280.0 280.1 272.6 282.5 0.83 10 722 2669 -16.1 -30.1 29 14.0 -18.2 249 20 282.1 282.2 273.2 283.5 0.43 11 700 2902 -16.9 -31.9 26 15.0 -19.1 250 21 283.8 283.8 274.0 285.0 0.38 12 689 3021 -16.5 -33.5 22 17.0 -18.9 251 22 285.5 285.6 274.9 286.6 0.33 13 674 3186 -17.7 -36.7 17 19.0 -20.1 252 23 286.0 286.0 275.0 286.8 0.24 14 628 3713 -20.5 -30.5 40 10.0 -22.0 255 26 288.6 288.7 276.7 290.1 0.48 15 593 4136 -22.5 -38.5 22 16.0 -24.2 257 28 291.1 291.1 277.6 291.8 0.23 16 569 4438 -23.7 -38.7 24 15.0 -25.3 259 30 293.1 293.1 278.6 293.9 0.24 17 500 5370 -30.7 -40.7 37 10.0 -31.6 265 35 295.6 295.6 279.7 296.4 0.22 18 455 6033 -35.9 -43.9 44 8.0 -36.4 269 38 297.2 297.2 280.3 297.8 0.17 19 440 6265 -36.5 -43.5 48 7.0 -37.0 271 39 299.3 299.3 281.3 299.9 0.18 20 424 6521 -37.9 -45.9 43 8.0 -38.4 272 40 300.7 300.7 281.8 301.2 0.15 21 400 6920 -41.1 -51.1 33 10.0 -41.5 275 42 301.6 301.6 282.1 301.9 0.09 22 336 8080 -49.7 -59.7 30 10.0 -49.9 275 46 305.2 305.3 283.5 305.4 0.04 23 318 8437 -52.9 -62.9 29 10.0 -53.1 275 47 305.6 305.7 283.7 305.7 0.03 24 300 8810 -55.1 -65.1 28 10.0 -55.2 275 48 307.7 307.7 284.5 307.8 0.02 25 261 9691 -60.3 -69.3 30 9.0 -60.4 275 48 312.5 312.5 286.2 312.6 0.01 26 250 9960 -60.1 -69.1 30 9.0 -60.2 275 50 316.7 316.7 287.7 316.8 0.01 27 235 10343 -60.1 -68.1 34 8.0 -60.2 276 49 322.4 322.4 289.5 322.4 0.02 28 200 11340 -60.9 -68.9 34 8.0 -61.0 280 48 336.3 336.3 293.4 336.4 0.02 29 150 13130 -61.5 -70.5 29 9.0 -61.6 280 44 364.1 364.1 299.5 364.2 0.02 30 100 15630 -63.1 -74.1 21 11.0 -63.3 290 40 405.8 405.8 306.0 405.9 0.02 31 70 17800 -66.9 -78.9 17 12.0 -67.1 285 29 441.3 441.3 310.0 441.3 0.01 32 58 18928 -69.1 -82.1 14 13.0 -69.2 288 29 460.7 460.7 311.8 460.7 0.01 33 53 19469 -66.9 -79.9 14 13.0 -67.1 289 29 477.8 477.8 313.3 477.9 0.01 34 50 19820 -68.1 -81.1 14 13.0 -68.3 290 29 483.0 483.0 313.7 483.1 0.01 35 35 21933 -74.3 -87.3 12 13.0 -74.4 307 30 518.7 518.7 316.2 518.7 0.01 36 30 22830 -75.1 -88.1 11 13.0 -75.2 315 31 539.9 539.9 317.5 539.9 0.01 37 21 24889 -74.9 -87.9 12 13.0 -75.0 311 31 598.5 598.5 320.5 598.5 0.01 38 20 25170 -76.9 -89.9 11 13.0 -77.0 310 31 600.8 600.8 320.6 600.8 0.01 39 18 25770 -80.5 -93.5 10 13.0 -80.6 607.8 607.8 321.0 607.8 0.00 40 12 28074 -77.9 -90.9 10 13.0 -78.1 691.7 691.7 324.1 691.8 0.01 TRP 261 9691 -60.3 -69.3 30 9.0 -60.4 275 48 312.5 312.5 286.2 312.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 38.61 % Est. max temperature: 5.59 C = 42.07 F Sfc-Lift cond lev (LCL): 979.72 mb = 306.57 m = 1005.80 ft T: -7.14 C 700-500 lapse rate: 5.59 C/km ThetaE index: 0.82 C Layer 925.0- 850.0 mb Conv cond level (CCL): 783.79 mb = 2046.56 m = 6714.35 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 7.20 C = 44.95 F Cap Strength: 14.54 C Lifted Index: 15.75 C Risk: None Lifted Index @300 mb: 21.90 C Lifted Index @700 mb: 8.22 C Showalter Index: 11.94 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 12.40 C K Index: -9.90 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 3.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.01 J/kg Max Up Vert Vel: 10.58 m/s Conv Inhibition (B-): 48405.49 J/kg Cap Strength: 15.72 C Lift Cond Lev (LCL): 891.92 mb = 1043.85 m = 3424.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 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 1005 108 250 5 4.7 1.7 | 121 14 -11.9 7.2 1 1000 147 250 7 6.6 2.4 | 128 13 -10.0 7.9 2 925 757 260 17 16.7 3.0 | 181 8 0.1 8.5 3 850 1421 245 13 11.8 5.5 | 156 12 -4.8 11.0 4 700 2902 250 21 19.7 7.2 | 194 13 3.1 12.7 5 500 5370 265 35 34.9 3.1 | 245 20 18.3 8.6 6 400 6920 275 42 41.8 -3.7 | 266 25 25.2 1.9 7 300 8810 275 48 47.8 -4.2 | 268 31 31.2 1.4 8 261 9691 275 48 47.8 -4.2 | 268 31 31.2 1.4 9 250 9960 275 50 49.8 -4.4 | 268 33 33.2 1.2 10 200 11340 280 48 47.3 -8.3 | 275 31 30.7 -2.8 11 150 13130 280 44 43.3 -7.6 | 274 27 26.7 -2.1 12 100 15630 290 40 37.6 -13.7 | 291 23 21.0 -8.1 13 70 17800 285 29 28.0 -7.5 | 280 12 11.4 -2.0 14 50 19820 290 29 27.3 -9.9 | 292 12 10.7 -4.4 15 30 22830 315 31 21.9 -21.9 | 342 17 5.3 -16.4 16 20 25170 310 31 23.7 -19.9 | 334 16 7.1 -14.4 Wind Parameters Mean winds (0-6000m): 258.5 at 23.3 knts Storm direction: 288.5 at 17.5 knts Shear (0-3000m) pos: 3.1 neg: 0.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 77.8 deg Storm rel helicity (0-3000m) pos: 59.1 neg: -10.7 tot: 48.5 m^2/s^2 ave: 16.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.52 Bulk Shear: 22.25 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 ------------------------------------------------------------------------------- 500 255 10 142 11| 9.9 0.0 9.9| 24.3 0.0 24.3 48.7 0.85| 10.0 8.5 1000 257 13 156 9| 4.9 0.7 5.7| 29.3 -5.1 24.2 24.2 0.58| 7.5 4.3 1500 254 13 158 10| 3.3 1.0 4.3| 32.2 -10.7 21.5 14.4 0.42| 6.1 2.6 2000 252 14 161 10| 3.2 0.8 4.0| 40.9 -10.7 30.2 15.1 0.49| 5.3 2.6 2500 251 15 165 11| 3.1 0.6 3.7| 49.6 -10.7 38.9 15.6 0.55| 4.8 2.7 3000 251 16 171 11| 3.1 0.5 3.6| 59.1 -10.7 48.5 16.2 0.60| 4.5 2.7 4000 252 18 183 11| 3.1 0.4 3.5| 81.3 -10.7 70.6 17.7 0.66| 4.2 2.8 5000 255 21 197 11| 3.1 0.3 3.4|106.9 -10.7 96.2 19.2 0.69| 4.0 2.8 6000 258 23 212 12| 3.0 0.3 3.3|136.3 -10.7 125.6 20.9 0.71| 3.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251126.12.gif