UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 6 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 1001 113 9.2 7.8 91 1.4 8.5 160 3 282.3 283.4 281.5 300.5 6.64 1 1000 121 9.0 6.9 87 2.1 7.9 160 3 282.1 283.2 281.0 299.4 6.24 2 967 398 6.8 5.3 90 1.5 6.1 192 8 282.6 283.6 280.7 298.6 5.78 3 925 763 7.0 5.2 88 1.8 6.1 235 15 286.5 287.5 282.7 303.3 6.00 4 911 888 6.8 5.4 91 1.4 6.1 233 14 287.5 288.6 283.4 304.9 6.18 5 850 1455 4.0 2.4 89 1.6 3.2 225 9 290.3 291.3 283.7 305.7 5.35 6 770 2253 -0.5 -2.3 88 1.8 -1.3 210 11 293.8 294.6 283.8 306.1 4.19 7 700 3009 -4.9 -9.1 72 4.2 -6.5 195 13 297.1 297.6 283.5 305.4 2.74 8 660 3470 -7.7 -12.7 67 5.0 -9.4 191 16 298.9 299.3 283.7 305.7 2.18 9 591 4328 -8.7 -24.7 26 16.0 -12.7 182 22 307.4 307.5 285.4 310.3 0.87 10 524 5248 -16.1 -25.1 46 9.0 -18.1 173 28 309.2 309.4 286.2 312.4 0.95 11 512 5422 -16.9 -24.9 50 8.0 -18.7 172 30 310.3 310.5 286.6 313.6 0.99 12 500 5600 -17.9 -25.9 50 8.0 -19.7 170 31 311.2 311.4 286.9 314.3 0.93 13 431 6687 -25.5 -37.5 32 12.0 -27.1 173 41 315.0 315.1 287.5 316.3 0.35 14 410 7045 -28.5 -40.5 31 12.0 -29.8 174 44 315.7 315.8 287.6 316.7 0.27 15 400 7220 -30.1 -42.1 30 12.0 -31.3 175 46 315.9 315.9 287.6 316.7 0.24 16 371 7751 -34.9 -43.9 39 9.0 -35.6 174 50 316.4 316.4 287.8 317.1 0.21 17 318 8810 -42.7 -50.7 41 8.0 -43.1 171 59 319.8 319.8 288.8 320.2 0.11 18 300 9200 -46.7 -54.7 40 8.0 -47.0 170 62 319.5 319.5 288.7 319.8 0.08 19 289 9447 -49.1 -57.1 39 8.0 -49.3 170 65 319.5 319.6 288.6 319.8 0.06 20 286 9516 -49.3 -57.3 39 8.0 -49.6 170 65 320.2 320.2 288.9 320.4 0.06 21 250 10390 -54.2 -62.2 37 8.0 -54.4 170 75 325.5 325.5 290.5 325.6 0.04 22 240 10651 -55.7 -63.7 36 8.0 -55.8 170 69 327.1 327.1 290.9 327.2 0.03 23 231 10895 -55.7 -63.7 36 8.0 -55.8 168 61 330.6 330.7 291.9 330.8 0.03 24 200 11820 -53.1 -62.1 33 9.0 -53.4 160 33 348.7 348.7 296.4 348.9 0.04 25 165 13062 -49.7 -61.7 23 12.0 -50.2 157 21 374.1 374.1 301.3 374.4 0.06 26 150 13680 -51.7 -65.7 17 14.0 -52.1 155 15 381.0 381.0 302.4 381.2 0.04 27 125 14845 -58.3 -74.3 11 16.0 -58.6 144 11 389.4 389.4 303.7 389.5 0.01 28 114 15427 -56.9 -72.9 12 16.0 -57.2 138 10 402.4 402.4 305.5 402.5 0.02 29 102 16126 -60.3 -77.3 9 17.0 -60.6 131 7 408.9 408.9 306.4 408.9 0.01 30 100 16250 -59.7 -76.7 9 17.0 -60.0 130 7 412.4 412.4 306.8 412.4 0.01 31 84 17353 -54.5 -72.5 9 18.0 -55.1 211 8 444.0 444.0 310.3 444.2 0.03 32 70 18510 -58.7 -77.7 7 19.0 -59.2 295 9 458.8 458.8 311.7 458.9 0.01 33 66 18878 -60.7 -79.7 6 19.0 -61.1 303 9 462.2 462.2 312.0 462.3 0.01 34 65 18973 -60.7 -79.7 6 19.0 -61.1 305 9 464.3 464.3 312.1 464.3 0.01 35 50 20610 -59.3 -79.3 6 20.0 -59.9 340 11 503.7 503.7 315.2 503.8 0.01 36 47 20999 -58.9 -79.9 5 21.0 -59.6 341 11 513.7 513.7 315.9 513.8 0.01 37 38 22326 -62.1 -83.1 4 21.0 -62.7 345 12 537.7 537.7 317.4 537.8 0.01 38 30 23790 -62.1 -84.1 4 22.0 -62.8 350 13 575.3 575.3 319.5 575.4 0.01 39 28 24216 -60.7 -82.7 4 22.0 -61.6 342 14 590.7 590.7 320.2 590.8 0.02 40 22 25698 -64.9 -86.9 3 22.0 -65.5 316 16 620.4 620.4 321.5 620.4 0.01 41 20 26280 -63.5 -85.5 4 22.0 -64.4 305 17 641.8 641.8 322.4 641.9 0.01 42 14 28477 -60.5 -83.5 3 23.0 -62.1 308 22 720.9 720.9 325.1 721.1 0.03 43 10 30570 -59.7 -82.7 3 23.0 -62.0 310 27 796.7 796.7 327.2 797.1 0.04 44 9.8 30697 -58.1 -81.1 4 23.0 -60.9 807.3 807.4 327.4 807.9 0.06 45 8.6 31527 -54.3 -78.3 4 24.0 -58.5 852.9 852.9 328.5 853.9 0.10 46 7.9 32070 -55.3 -79.3 4 24.0 -59.4 869.8 869.9 328.8 870.8 0.09 TRP 240 10651 -55.7 -63.7 36 8.0 -55.8 170 69 327.1 327.1 290.9 327.2 0.03 WND 250 10390 -54.2 -62.2 37 8.0 -54.4 170 75 325.5 325.5 290.5 325.6 0.04 Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 778.89 mb = 2163.93 m = 7099.43 ft Wetbulb zero: 793.55 mb = 2009.52 m = 6592.83 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 67.53 % Est. max temperature: 17.22 C = 63.00 F Sfc-Lift cond lev (LCL): 979.92 mb = 288.42 m = 946.26 ft T: 7.67 C 700-500 lapse rate: 5.02 C/km ThetaE index: 1.89 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 848.59 mb = 1468.36 m = 4817.40 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 17.33 C = 63.19 F Cap Strength: 9.74 C Lifted Index: 10.21 C Risk: None Lifted Index @300 mb: 13.10 C Lifted Index @700 mb: 3.81 C Showalter Index: 7.16 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.30 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 77.80 Risk: None Energy Index: 1.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.42 J/kg Max Up Vert Vel: 6.54 m/s Conv Inhibition (B-): 54599.75 J/kg Cap Strength: 9.98 C Lift Cond Lev (LCL): 925.68 mb = 756.98 m = 2483.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 13 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 1001 113 160 3 -1.0 2.8 | 49 12 -9.0 -7.8 1 1000 121 160 3 -1.0 2.8 | 49 12 -9.0 -7.8 2 925 763 235 15 12.3 8.6 | 295 5 4.3 -2.0 3 850 1455 225 9 6.4 6.4 | 21 5 -1.6 -4.3 4 700 3009 195 13 3.4 12.6 | 113 5 -4.6 1.9 5 500 5600 170 31 -5.4 30.5 | 146 24 -13.3 19.9 6 400 7220 175 46 -4.0 45.8 | 161 37 -12.0 35.2 7 300 9200 170 62 -10.8 61.1 | 160 54 -18.7 50.4 8 250 10390 170 75 -13.0 73.9 | 162 67 -21.0 63.2 9 240 10651 170 69 -12.0 68.0 | 161 61 -19.9 57.3 10 200 11820 160 33 -11.3 31.0 | 137 28 -19.2 20.4 11 150 13680 155 15 -6.3 13.6 | 102 15 -14.3 3.0 12 100 16250 130 7 -5.4 4.5 | 65 15 -13.3 -6.1 13 70 18510 295 9 8.2 -3.8 | 359 14 0.2 -14.4 14 50 20610 340 11 3.8 -10.3 | 11 21 -4.2 -21.0 15 30 23790 350 13 2.3 -12.8 | 14 24 -5.7 -23.4 16 20 26280 305 17 13.9 -9.8 | 344 21 6.0 -20.4 17 10 30570 310 27 20.7 -17.4 | 336 31 12.7 -28.0 Wind Parameters Mean winds (0-6000m): 186.9 at 17.7 knts Storm direction: 216.9 at 13.3 knts Shear (0-3000m) pos: 1.9 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 71.1 deg Storm rel helicity (0-3000m) pos: 18.4 neg: -1.5 tot: 16.9 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.36 Bulk Shear: 15.80 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 ------------------------------------------------------------------------------- 500 207 8 50 6| 11.2 0.0 11.2| 8.2 -0.7 7.5 15.0 0.13| 12.6 1.7 1000 228 11 2 4| 5.8 0.0 5.8| 10.5 -1.5 8.9 8.9 0.04| 10.4 0.4 1500 228 10 4 4| 3.9 1.0 4.9| 13.3 -1.5 11.8 7.9 0.16| 8.1 1.3 2000 225 10 11 3| 2.9 1.0 3.9| 14.7 -1.5 13.2 6.6 0.21| 6.6 1.4 2500 221 11 22 3| 2.3 1.2 3.5| 16.4 -1.5 14.8 5.9 0.27| 5.8 1.6 3000 216 11 42 2| 1.9 1.4 3.3| 18.4 -1.5 16.9 5.6 0.30| 5.3 1.6 4000 206 12 101 3| 1.5 1.9 3.4| 25.4 -1.5 23.8 6.0 0.33| 4.9 1.6 5000 196 15 133 5| 1.2 2.4 3.5| 26.6 -2.8 23.8 4.8 0.28| 4.8 1.3 6000 187 18 140 9| 1.2 2.3 3.5| 44.0 -6.7 37.3 6.2 0.27| 4.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251006.12.gif