UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 2 DEC 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 1000 106 3.2 2.1 92 1.1 2.7 225 7 276.4 277.1 275.9 288.5 4.45 1 925 733 -0.5 -1.7 92 1.2 -1.0 255 27 278.8 279.4 276.1 288.9 3.65 2 850 1404 -4.9 -6.7 87 1.8 -5.5 260 25 281.0 281.5 276.0 288.7 2.72 3 771 2168 -7.1 -9.6 82 2.5 -7.9 263 28 286.6 287.0 278.4 293.6 2.39 4 745 2435 -8.5 -14.5 62 6.0 -10.2 263 29 287.9 288.2 278.1 292.9 1.67 5 706 2851 -9.5 -24.5 28 15.0 -12.8 265 31 291.3 291.4 278.4 293.6 0.74 6 700 2917 -9.3 -25.3 26 16.0 -12.8 265 31 292.2 292.3 278.8 294.4 0.70 7 690 3028 -9.3 -26.3 24 17.0 -12.9 265 32 293.4 293.5 279.3 295.5 0.65 8 537 4911 -24.3 -39.3 24 15.0 -25.9 257 44 297.3 297.3 280.5 298.1 0.24 9 514 5230 -25.3 -41.3 21 16.0 -26.9 256 47 299.8 299.9 281.5 300.5 0.20 10 500 5430 -26.7 -44.7 17 18.0 -28.3 255 48 300.5 300.5 281.7 301.0 0.14 11 400 7000 -38.9 -52.9 21 14.0 -39.5 265 46 304.4 304.4 283.2 304.7 0.07 12 300 8910 -54.1 -65.1 25 11.0 -54.2 255 54 309.1 309.1 285.0 309.2 0.02 13 266 9672 -59.5 -69.5 26 10.0 -59.6 255 54 312.0 312.0 286.1 312.1 0.01 14 250 10060 -59.5 -69.5 26 10.0 -59.6 255 52 317.6 317.6 288.0 317.7 0.01 15 225 10718 -58.7 -68.7 26 10.0 -58.8 257 47 328.6 328.6 291.3 328.6 0.02 16 205 11304 -56.5 -66.5 27 10.0 -56.6 259 43 340.9 340.9 294.6 341.0 0.02 17 200 11460 -57.3 -67.3 27 10.0 -57.5 260 42 342.0 342.0 294.8 342.1 0.02 18 150 13280 -58.3 -70.3 20 12.0 -58.5 270 36 369.6 369.6 300.5 369.7 0.02 19 110 15218 -61.9 -75.9 14 14.0 -62.1 270 32 397.2 397.2 304.8 397.2 0.01 20 100 15810 -60.7 -74.7 14 14.0 -60.9 270 31 410.4 410.5 306.6 410.5 0.02 21 77 17433 -61.3 -77.3 10 16.0 -61.6 281 25 441.1 441.1 310.0 441.1 0.01 22 70 18020 -63.9 -79.9 10 16.0 -64.1 285 23 447.7 447.7 310.6 447.7 0.01 23 59 19060 -67.5 -83.5 9 16.0 -67.7 280 29 462.0 462.0 312.0 462.1 0.01 24 50 20060 -66.5 -83.5 7 17.0 -66.7 275 35 486.8 486.8 314.0 486.8 0.01 25 48 20307 -66.5 -83.5 7 17.0 -66.7 275 35 492.5 492.5 314.4 492.5 0.01 26 41 21250 -70.9 -86.9 8 16.0 -71.1 275 35 504.2 504.2 315.2 504.3 0.00 27 30 23090 -73.1 -89.1 7 16.0 -73.3 275 36 545.4 545.4 317.8 545.4 0.00 28 28 23492 -73.5 -89.5 7 16.0 -73.6 276 38 555.1 555.1 318.4 555.1 0.00 29 20 25420 -80.1 -96.1 5 16.0 -80.2 280 46 591.0 591.0 320.2 591.0 0.00 30 15 27033 -83.3 -99.3 5 16.0 -83.4 631.0 631.0 321.9 631.0 0.00 TRP 266 9672 -59.5 -69.5 26 10.0 -59.6 255 54 312.0 312.0 286.1 312.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5323.84 m Freezing level: 935.14 mb = 648.29 m = 2126.92 ft Wetbulb zero: 944.84 mb = 562.40 m = 1845.13 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 51.82 % Est. max temperature: 7.86 C = 46.15 F Sfc-Lift cond lev (LCL): 983.03 mb = 243.80 m = 799.87 ft T: 2.39 C 700-500 lapse rate: 6.92 C/km ThetaE index: 0.70 C Layer 745.0- 706.0 mb Conv cond level (CCL): 917.82 mb = 794.82 m = 2607.64 ft Mean mixing ratio: 3.90 g/kg Conv temperature: 5.85 C = 42.54 F Cap Strength: 10.13 C Lifted Index: 10.49 C Risk: None Lifted Index @300 mb: 14.49 C Lifted Index @700 mb: 7.15 C Showalter Index: 10.49 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.00 C K Index: -0.90 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 2.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.91 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 45104.67 J/kg Cap Strength: 10.43 C Lift Cond Lev (LCL): 932.04 mb = 672.03 m = 2204.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 25 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 1000 106 225 7 4.9 4.9 | 125 23 -19.1 13.1 1 925 733 255 27 26.1 7.0 | 188 15 2.0 15.2 2 850 1404 260 25 24.6 4.3 | 183 13 0.6 12.5 3 700 2917 265 31 30.9 2.7 | 212 13 6.8 10.9 4 500 5430 255 48 46.4 12.4 | 227 30 22.3 20.6 5 400 7000 265 46 45.8 4.0 | 241 25 21.8 12.2 6 300 8910 255 54 52.2 14.0 | 232 36 28.1 22.2 7 266 9672 255 54 52.2 14.0 | 232 36 28.1 22.2 8 250 10060 255 52 50.2 13.5 | 230 34 26.2 21.7 9 200 11460 260 42 41.4 7.3 | 228 23 17.3 15.5 10 150 13280 270 36 36.0 -0.0 | 236 14 11.9 8.2 11 100 15810 270 31 31.0 -0.0 | 220 11 6.9 8.2 12 70 18020 285 23 22.2 -6.0 | 141 3 -1.8 2.2 13 50 20060 275 35 34.9 -3.1 | 245 12 10.8 5.1 14 30 23090 275 36 35.9 -3.1 | 247 13 11.8 5.1 15 20 25420 280 46 45.3 -8.0 | 269 21 21.2 0.2 Wind Parameters Mean winds (0-6000m): 258.8 at 33.9 knts Storm direction: 288.8 at 25.4 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 126.3 neg: -3.9 tot: 122.4 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 50.29 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 ------------------------------------------------------------------------------- 500 247 15 143 17| 17.3 0.0 17.3| 83.4 0.0 83.4 166.9 0.93| 17.7 16.4 1000 253 21 163 15| 10.5 0.0 10.5|102.4 -1.9 100.5 100.5 0.85| 12.1 10.3 1500 255 22 169 14| 7.0 0.0 7.0|105.2 -3.9 101.3 67.5 0.79| 8.8 6.9 2000 257 23 174 14| 5.8 0.0 5.8|112.2 -3.9 108.2 54.1 0.81| 7.1 5.8 2500 259 24 180 13| 5.1 0.0 5.1|119.3 -3.9 115.3 46.1 0.82| 6.2 5.0 3000 260 25 185 13| 4.7 0.0 4.7|126.3 -3.9 122.4 40.8 0.81| 5.6 4.6 4000 261 28 195 13| 3.5 0.9 4.4|138.1 -3.9 134.1 33.5 0.73| 5.1 3.8 5000 260 31 205 15| 2.8 1.5 4.3|145.1 -3.9 141.1 28.2 0.64| 4.9 3.1 6000 259 34 212 17| 2.4 1.4 3.8|167.5 -3.9 163.5 27.3 0.63| 4.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251202.00.gif