UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 19 OCT 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 112 0.0 -1.9 87 1.9 -0.7 225 3 272.8 273.3 272.1 281.7 3.30 1 1000 152 1.4 -0.5 87 1.9 0.6 230 5 274.5 275.2 273.8 284.6 3.68 2 994 201 2.4 0.3 86 2.1 1.5 233 7 276.0 276.7 275.0 286.8 3.93 3 925 777 -2.1 -4.7 82 2.6 -3.1 265 25 277.2 277.7 274.2 285.3 2.91 4 910 907 -3.1 -5.1 86 2.0 -3.8 266 23 277.4 277.9 274.2 285.4 2.87 5 850 1444 -6.1 -13.1 58 7.0 -8.1 270 17 279.8 280.0 273.7 284.5 1.64 6 813 1791 -8.5 -16.5 52 8.0 -10.6 271 17 280.8 281.0 273.8 284.6 1.29 7 763 2281 -10.1 -21.1 40 11.0 -12.6 273 16 284.2 284.4 275.1 287.0 0.93 8 735 2570 -9.1 -25.1 26 16.0 -12.5 274 16 288.4 288.5 276.9 290.5 0.68 9 732 2602 -9.5 -25.5 26 16.0 -12.8 274 15 288.3 288.4 276.8 290.3 0.66 10 700 2946 -10.7 -22.7 37 12.0 -13.4 275 15 290.6 290.8 278.3 293.4 0.88 11 644 3582 -14.3 -21.3 55 7.0 -15.9 281 15 293.6 293.8 280.0 297.0 1.08 12 590 4240 -18.3 -25.3 54 7.0 -19.7 288 16 296.4 296.5 280.9 299.0 0.83 13 500 5450 -28.1 -33.1 62 5.0 -28.7 300 17 298.8 298.9 281.5 300.3 0.47 14 446 6264 -34.5 -38.9 64 4.4 -34.9 308 20 300.6 300.7 282.0 301.7 0.30 15 430 6519 -36.3 -40.5 65 4.2 -36.6 310 21 301.5 301.6 282.4 302.4 0.26 16 400 7020 -39.3 -44.3 59 5.0 -39.6 315 23 303.9 303.9 283.2 304.6 0.19 17 338 8148 -47.7 -54.7 44 7.0 -47.9 324 24 307.5 307.5 284.4 307.7 0.07 18 300 8920 -55.1 -61.1 47 6.0 -55.2 330 25 307.7 307.7 284.5 307.8 0.03 19 296 9006 -55.7 -61.7 47 6.0 -55.8 331 26 308.0 308.0 284.6 308.1 0.03 20 266 9680 -59.1 -65.1 46 6.0 -59.2 340 33 312.6 312.6 286.3 312.7 0.02 21 256 9921 -57.9 -63.9 46 6.0 -58.0 343 32 317.8 317.8 288.1 317.9 0.03 22 250 10070 -58.5 -64.5 46 6.0 -58.6 345 31 319.1 319.1 288.5 319.2 0.03 23 246 10171 -59.5 -65.5 46 6.0 -59.6 343 31 319.1 319.1 288.5 319.2 0.02 24 200 11480 -55.3 -61.3 47 6.0 -55.4 320 25 345.2 345.2 295.6 345.4 0.05 25 192 11741 -53.1 -59.1 48 6.0 -53.3 319 26 352.8 352.8 297.3 353.1 0.07 26 167 12633 -56.1 -64.1 36 8.0 -56.3 317 28 362.1 362.1 299.1 362.3 0.04 27 150 13320 -53.1 -62.1 33 9.0 -53.4 315 29 378.6 378.6 302.1 378.9 0.06 28 143 13628 -52.1 -62.1 29 10.0 -52.5 316 28 385.5 385.6 303.2 385.8 0.06 29 100 15920 -56.1 -69.1 18 13.0 -56.5 320 23 419.3 419.3 307.7 419.5 0.03 30 87 16801 -56.7 -70.7 16 14.0 -57.1 300 19 435.2 435.2 309.4 435.3 0.03 31 70 18170 -58.5 -73.5 13 15.0 -58.9 270 13 459.2 459.2 311.7 459.4 0.03 32 67 18444 -58.3 -73.3 13 15.0 -58.7 270 14 465.5 465.5 312.3 465.6 0.03 33 57 19449 -61.7 -77.7 10 16.0 -62.1 270 17 479.8 479.8 313.4 479.9 0.02 34 50 20260 -60.1 -76.1 11 16.0 -60.6 270 19 501.9 501.9 315.1 502.0 0.02 35 30 23430 -62.9 -79.9 8 17.0 -63.5 270 25 573.2 573.2 319.3 573.3 0.02 36 21 25629 -61.9 -79.9 7 18.0 -62.9 266 25 637.7 637.8 322.2 638.0 0.03 37 20 25930 -62.9 -80.9 7 18.0 -63.8 265 25 643.6 643.6 322.4 643.9 0.03 38 16 27302 -64.7 -82.7 7 18.0 -65.6 260 30 680.2 680.2 323.8 680.4 0.03 39 13 28581 -61.7 -80.7 6 19.0 -63.2 256 34 732.2 732.2 325.4 732.6 0.05 40 11 29612 -63.9 -82.9 6 19.0 -65.3 252 38 760.0 760.0 326.2 760.4 0.04 41 10 30200 -62.1 -82.1 5 20.0 -63.9 250 40 787.7 787.8 327.0 788.2 0.05 42 7.9 31670 -58.5 -78.5 6 20.0 -61.5 857.1 857.1 328.5 858.2 0.11 TRP 266 9680 -59.1 -65.1 46 6.0 -59.2 340 33 312.6 312.6 286.3 312.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: 957.20 mb = 507.98 m = 1666.58 ft Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 56.82 % Est. max temperature: 6.81 C = 44.25 F Sfc-Lift cond lev (LCL): 975.53 mb = 350.82 m = 1150.98 ft T: 1.23 C 700-500 lapse rate: 6.95 C/km ThetaE index: 1.50 C Layer 925.0- 910.0 mb Conv cond level (CCL): 908.59 mb = 918.92 m = 3014.80 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 4.73 C = 40.52 F Cap Strength: 10.74 C Lifted Index: 11.37 C Risk: None Lifted Index @300 mb: 15.60 C Lifted Index @700 mb: 7.83 C Showalter Index: 12.31 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 15.00 C K Index: -3.10 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.29 J/kg Max Up Vert Vel: 3.55 m/s Conv Inhibition (B-): 64861.28 J/kg Cap Strength: 11.34 C Lift Cond Lev (LCL): 921.74 mb = 805.04 m = 2641.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 12 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 112 225 3 2.1 2.1 | 144 13 -7.3 10.3 1 1000 152 230 5 3.8 3.2 | 154 13 -5.6 11.4 2 925 777 265 25 24.9 2.2 | 236 19 15.5 10.3 3 850 1444 270 17 17.0 -0.0 | 223 11 7.6 8.1 4 700 2946 275 15 14.9 -1.3 | 219 9 5.5 6.8 5 500 5450 300 17 14.7 -8.5 | 274 5 5.3 -0.4 6 400 7020 315 23 16.3 -16.3 | 320 11 6.8 -8.1 7 300 8920 330 25 12.5 -21.7 | 347 14 3.1 -13.5 8 266 9680 340 33 11.3 -31.0 | 355 23 1.8 -22.9 9 250 10070 345 31 8.0 -29.9 | 4 22 -1.4 -21.8 10 200 11480 320 25 16.1 -19.2 | 329 13 6.6 -11.0 11 150 13320 315 29 20.5 -20.5 | 318 17 11.1 -12.4 12 100 15920 320 23 14.8 -17.6 | 331 11 5.3 -9.5 13 70 18170 270 13 13.0 -0.0 | 204 9 3.6 8.1 14 50 20260 270 19 19.0 -0.0 | 230 13 9.6 8.1 15 30 23430 270 25 25.0 -0.0 | 242 18 15.6 8.1 16 20 25930 265 25 24.9 2.2 | 236 19 15.5 10.3 17 10 30200 250 40 37.6 13.7 | 232 36 28.1 21.8 Wind Parameters Mean winds (0-6000m): 280.8 at 16.6 knts Storm direction: 310.8 at 12.5 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 76.7 deg Storm rel helicity (0-3000m) pos: 90.7 neg: -13.4 tot: 77.3 m^2/s^2 ave: 25.8 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 10.44 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 ------------------------------------------------------------------------------- 500 250 12 187 12| 17.7 0.0 17.7| 63.6 0.0 63.6 127.2 0.98| 18.4 18.0 1000 262 17 216 13| 9.7 0.0 9.7| 89.9 -5.0 84.9 84.9 0.80| 14.3 11.4 1500 264 18 219 13| 5.1 0.0 5.1| 89.9 -11.8 78.1 52.1 0.63| 11.0 6.9 2000 266 17 220 12| 3.7 0.0 3.7| 89.9 -12.3 77.6 38.8 0.60| 8.5 5.1 2500 267 17 220 12| 2.8 0.0 2.8| 89.9 -13.0 77.0 30.8 0.58| 6.9 4.0 3000 269 17 220 11| 2.3 0.0 2.3| 90.7 -13.4 77.3 25.8 0.57| 5.9 3.4 4000 272 16 222 10| 1.9 0.0 1.9| 95.3 -13.4 81.9 20.5 0.59| 4.8 2.8 5000 276 16 227 9| 1.7 0.0 1.7| 99.6 -13.4 86.2 17.2 0.61| 4.2 2.5 6000 281 17 234 9| 1.7 0.0 1.7|105.3 -13.4 91.9 15.3 0.63| 3.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251019.00.gif