UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010512.upa.cvt Date: 1200Z 5 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 5 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 ------------------------------------------------------------------------------- 0 1000 69 250 5 SFC 995 106 -18.7 -21.3 80 2.6 -19.1 250 5 254.8 254.9 254.4 256.7 0.70 2 982 204 -18.9 -21.7 79 2.8 -19.3 257 8 255.6 255.7 255.0 257.4 0.69 3 967 319 -16.3 -18.8 81 2.5 -16.7 266 11 259.3 259.5 258.5 261.8 0.89 4 925 654 -15.1 -17.0 85 1.9 -15.4 290 21 263.9 264.0 262.4 266.9 1.09 5 923 670 -15.1 -17.0 85 1.9 -15.4 290 21 264.0 264.2 262.5 267.0 1.09 6 850 1290 -17.7 -22.6 66 4.9 -18.5 285 23 267.6 267.7 264.4 269.7 0.73 7 784 1892 -19.7 -25.7 59 6.0 -20.6 273 23 271.7 271.8 267.0 273.5 0.60 8 702 2703 -25.3 -39.3 26 14.0 -26.5 255 23 274.2 274.3 267.9 274.8 0.18 9 700 2724 -25.1 -40.1 23 15.0 -26.3 255 23 274.7 274.7 268.1 275.2 0.17 10 699 2734 -25.3 -40.3 23 15.0 -26.5 255 23 274.6 274.6 268.1 275.1 0.16 11 572 4166 -31.7 -55.7 7 24.0 -32.7 234 30 283.3 283.3 273.1 283.4 0.04 12 500 5100 -38.7 -56.7 13 18.0 -39.3 220 35 285.9 285.9 274.5 286.0 0.04 13 400 6590 -51.5 -64.5 20 13.0 -51.7 220 29 288.1 288.1 275.7 288.1 0.02 14 367 7145 -55.9 -67.9 21 12.0 -56.0 221 28 289.4 289.4 276.3 289.4 0.01 15 331 7797 -59.9 -71.9 19 12.0 -60.0 223 28 292.6 292.6 277.9 292.6 0.01 16 300 8410 -61.9 -72.9 22 11.0 -62.0 225 27 298.1 298.1 280.5 298.1 0.01 17 288 8662 -62.1 -73.1 22 11.0 -62.1 229 26 301.3 301.3 281.9 301.3 0.01 18 272 9016 -60.1 -71.1 22 11.0 -60.2 236 25 309.2 309.2 285.0 309.2 0.01 19 250 9540 -60.7 -71.7 22 11.0 -60.8 245 23 315.8 315.8 287.3 315.9 0.01 20 200 10940 -59.7 -71.7 20 12.0 -59.8 265 27 338.2 338.2 293.9 338.3 0.01 21 191 11227 -58.7 -70.7 20 12.0 -58.9 263 28 344.3 344.3 295.4 344.4 0.01 22 150 12730 -60.5 -73.5 17 13.0 -60.7 255 31 365.9 365.9 299.8 365.9 0.01 23 100 15230 -64.9 -78.9 13 14.0 -65.0 250 29 402.3 402.3 305.5 402.4 0.01 24 70 17390 -68.1 -83.1 10 15.0 -68.2 255 38 438.7 438.7 309.7 438.7 0.01 25 66 17742 -68.9 -83.9 10 15.0 -69.0 254 41 444.4 444.4 310.3 444.4 0.01 26 50 19400 -69.5 -84.5 10 15.0 -69.6 250 54 479.7 479.7 313.4 479.7 0.01 27 46 19898 -67.5 -83.5 9 16.0 -67.7 249 56 496.1 496.1 314.7 496.2 0.01 28 30 22440 -71.7 -86.7 9 15.0 -71.9 245 64 549.2 549.2 318.1 549.2 0.01 29 22 24280 -70.7 -86.7 8 16.0 -71.0 245 80 603.1 603.1 320.7 603.2 0.01 30 20 24850 -67.9 -83.9 8 16.0 -68.4 245 85 628.3 628.3 321.9 628.5 0.02 31 18 25486 -66.3 -82.3 9 16.0 -67.0 652.6 652.6 322.8 652.8 0.03 32 17 25832 -66.3 -82.3 9 16.0 -67.0 245 93 663.5 663.5 323.2 663.7 0.03 33 14 27009 -66.1 -82.1 9 16.0 -66.9 701.9 701.9 324.5 702.2 0.03 TRP 300 8410 -61.9 -72.9 22 11.0 -62.0 225 27 298.1 298.1 280.5 298.1 0.01 WND 17 25832 -66.3 -82.3 9 16.0 -67.0 245 93 663.5 663.5 323.2 663.7 0.03 Sounding variables and indices 1000-500 mb thick: 5031.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 38.74 % Est. max temperature: -5.63 C = 21.86 F Sfc-Lift cond lev (LCL): 953.34 mb = 426.62 m = 1399.66 ft T: -15.92 C 700-500 lapse rate: 5.72 C/km Conv cond level (CCL): 995.00 mb = 106.33 m = 348.85 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -17.96 C = -0.32 F Cap Strength: 16.91 C Lifted Index: 18.23 C Risk: None Lifted Index @300 mb: 24.39 C Lifted Index @700 mb: 10.62 C Showalter Index: 13.43 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 16.10 C K Index: -16.60 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.62 J/kg Max Up Vert Vel: 8.79 m/s Conv Inhibition (B-): 55038.34 J/kg Cap Strength: 18.11 C Lift Cond Lev (LCL): 909.04 mb = 784.98 m = 2575.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 20 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 ---------------------------------------------------------- 0 995 106 250 5 4.7 1.7 | 102 15 -14.9 3.2 1 925 654 290 21 19.7 -7.2 | 358 6 0.2 -5.7 2 850 1290 285 23 22.2 -6.0 | 329 5 2.6 -4.4 3 700 2724 255 23 22.2 6.0 | 199 8 2.6 7.5 4 500 5100 220 35 22.5 26.8 | 186 28 2.9 28.3 5 400 6590 220 29 18.6 22.2 | 178 24 -0.9 23.7 6 300 8410 225 27 19.1 19.1 | 179 21 -0.5 20.6 7 250 9540 245 23 20.8 9.7 | 186 11 1.3 11.2 8 200 10940 265 27 26.9 2.4 | 242 8 7.3 3.9 9 150 12730 255 31 29.9 8.0 | 227 14 10.4 9.5 10 100 15230 250 29 27.3 9.9 | 214 14 7.7 11.4 11 70 17390 255 38 36.7 9.8 | 236 21 17.1 11.3 12 50 19400 250 54 50.7 18.5 | 237 37 31.2 20.0 13 30 22440 245 64 58.0 27.0 | 233 48 38.4 28.6 14 20 24850 245 85 77.0 35.9 | 237 69 57.5 37.4 Wind Parameters Mean winds (0-6000m): 244.4 at 26.2 knts Storm direction: 274.4 at 19.6 knts Shear (0-3000m) pos: 2.7 neg: 2.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 3.2 neg: -23.8 tot: -20.6 m^2/s^2 ave: -6.9 10^-3 m/s^2 rel: -0.54 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.90 Bulk Shear: 42.94 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 ------------------------------------------------------------------------------- 500 282 12 83 8| 16.3 0.0 16.3| 3.1 -7.2 -4.2 -8.3 -0.36| 17.5 -6.4 1000 286 17 47 5| 8.2 1.4 9.6| 3.1 -11.2 -8.1 -8.1 -0.44| 10.6 -4.7 1500 285 19 22 4| 5.4 1.6 7.0| 3.1 -14.7 -11.7 -7.8 -0.50| 8.3 -4.1 2000 281 20 2 2| 4.1 2.0 6.1| 3.1 -18.5 -15.4 -7.7 -0.57| 7.3 -4.1 2500 277 21 323 1| 3.3 2.3 5.6| 3.1 -22.7 -19.7 -7.9 -0.59| 6.7 -3.9 3000 273 21 253 2| 2.7 2.6 5.3| 3.2 -23.8 -20.6 -6.9 -0.54| 6.3 -3.4 4000 263 23 215 5| 2.0 3.0 5.1| 3.2 -30.4 -27.2 -6.8 -0.47| 5.8 -2.7 5000 252 25 203 10| 1.6 3.4 5.0| 3.2 -53.8 -50.6 -10.1 -0.45| 5.6 -2.5 6000 244 26 197 13| 1.4 2.5 3.9| 3.2 -70.8 -67.6 -11.3 -0.46| 5.0 -2.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260105.12.gif