UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 24 APR 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 ------------------------------------------------------------------------------- 0 1000 99 270 7 SFC 999 107 2.2 1.3 94 0.9 1.8 270 7 275.4 276.1 275.0 286.8 4.20 2 980 263 3.8 2.0 88 1.8 3.0 275 10 278.6 279.3 277.1 290.9 4.51 3 925 730 1.2 -0.3 90 1.5 0.5 290 21 280.5 281.2 277.6 291.8 4.04 4 854 1367 -3.7 -5.4 88 1.7 -4.3 285 15 281.9 282.4 276.9 290.4 2.99 5 850 1404 -3.9 -5.6 88 1.7 -4.6 285 15 282.1 282.6 276.9 290.5 2.96 6 722 2678 -9.7 -12.1 83 2.4 -10.5 272 27 289.2 289.5 279.3 295.4 2.09 7 700 2916 -11.7 -14.6 79 2.9 -12.5 270 29 289.5 289.8 279.0 294.8 1.76 8 665 3305 -15.7 -19.0 76 3.3 -16.5 269 31 289.3 289.5 278.2 293.2 1.28 9 645 3535 -16.1 -19.4 76 3.3 -16.9 269 32 291.4 291.6 279.2 295.3 1.27 10 614 3903 -19.3 -22.8 74 3.5 -20.0 268 34 291.9 292.0 279.1 295.0 1.00 11 604 4026 -17.9 -21.5 73 3.6 -18.7 268 35 294.8 295.0 280.6 298.4 1.13 12 599 4088 -17.3 -20.9 73 3.6 -18.1 268 35 296.2 296.5 281.3 300.0 1.21 13 539 4871 -21.5 -28.5 53 7.0 -22.7 266 39 300.3 300.4 282.4 302.5 0.68 14 500 5420 -25.5 -34.5 43 9.0 -26.6 265 42 301.9 302.0 282.7 303.3 0.41 15 473 5820 -28.7 -37.7 42 9.0 -29.7 264 43 302.8 302.9 283.0 303.9 0.31 16 400 7000 -37.5 -45.5 43 8.0 -38.0 260 46 306.3 306.3 284.1 306.8 0.16 17 333 8237 -46.3 -54.3 40 8.0 -46.6 257 50 310.7 310.7 285.7 311.0 0.07 18 321 8479 -48.9 -57.9 34 9.0 -49.1 256 51 310.4 310.4 285.5 310.5 0.05 19 302 8877 -50.5 -59.5 34 9.0 -50.7 255 52 313.6 313.6 286.6 313.7 0.04 20 300 8920 -50.9 -59.9 34 9.0 -51.1 255 52 313.6 313.6 286.6 313.8 0.04 21 297 8986 -52.7 -61.7 33 9.0 -52.9 254 52 312.0 312.0 286.1 312.1 0.03 22 283 9298 -53.7 -62.7 32 9.0 -53.9 250 50 314.9 314.9 287.1 315.0 0.03 23 250 10100 -53.3 -62.3 33 9.0 -53.5 255 50 326.8 326.8 290.9 327.0 0.04 24 233 10551 -53.5 -62.5 33 9.0 -53.7 258 47 333.2 333.2 292.6 333.3 0.04 25 217 11009 -50.5 -59.5 34 9.0 -50.8 261 45 344.7 344.7 295.5 344.9 0.06 26 200 11540 -49.3 -59.3 30 10.0 -49.7 265 42 354.7 354.7 297.7 355.0 0.06 27 161 12965 -48.1 -58.1 31 10.0 -48.6 269 32 379.4 379.4 302.2 379.9 0.09 28 150 13430 -49.1 -59.1 30 10.0 -49.6 270 29 385.5 385.5 303.2 385.9 0.09 29 112 15330 -53.1 -64.1 25 11.0 -53.5 277 20 411.6 411.6 306.7 411.9 0.06 30 100 16060 -53.1 -64.1 25 11.0 -53.6 280 17 425.1 425.1 308.3 425.5 0.07 31 70 18350 -54.3 -66.3 22 12.0 -54.9 280 19 468.2 468.2 312.5 468.6 0.07 32 54 20018 -52.9 -64.9 22 12.0 -53.8 288 17 507.5 507.6 315.5 508.2 0.11 33 50 20510 -56.3 -68.3 21 12.0 -57.0 290 17 510.8 510.8 315.7 511.3 0.08 34 49 20638 -56.3 -68.3 21 12.0 -57.0 292 17 513.8 513.8 315.9 514.3 0.08 35 30 23740 -58.3 -70.3 20 12.0 -59.2 330 17 585.7 585.7 320.0 586.4 0.10 36 20 26290 -59.7 -72.7 17 13.0 -60.9 330 19 653.4 653.5 322.9 654.3 0.10 37 11 30105 -50.9 -64.9 17 14.0 -54.8 807.2 807.5 327.5 812.9 0.56 TRP 283 9298 -53.7 -62.7 32 9.0 -53.9 250 50 314.9 314.9 287.1 315.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5321.00 m Freezing level: 907.61 mb = 885.98 m = 2906.72 ft Wetbulb zero: 917.01 mb = 799.17 m = 2621.90 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 76.38 % Est. max temperature: 8.88 C = 47.99 F Sfc-Lift cond lev (LCL): 985.16 mb = 220.14 m = 722.23 ft T: 3.36 C 700-500 lapse rate: 5.51 C/km ThetaE index: 2.18 C Layer 700.0- 645.0 mb Conv cond level (CCL): 904.20 mb = 911.39 m = 2990.08 ft Mean mixing ratio: 4.17 g/kg Conv temperature: 7.70 C = 45.86 F Cap Strength: 9.30 C Lifted Index: 10.02 C Risk: None Lifted Index @300 mb: 16.11 C Lifted Index @700 mb: 3.28 C Showalter Index: 10.40 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 19.90 C K Index: 13.10 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.37 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 61273.32 J/kg Cap Strength: 9.91 C Lift Cond Lev (LCL): 925.11 mb = 729.05 m = 2391.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 22 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 ---------------------------------------------------------- 0 999 107 270 7 7.0 -0.0 | 133 16 -11.8 11.0 1 925 730 290 21 19.7 -7.2 | 194 4 0.9 3.8 2 850 1404 285 15 14.5 -3.9 | 149 8 -4.3 7.1 3 700 2916 270 29 29.0 -0.0 | 223 15 10.2 11.0 4 500 5420 265 42 41.8 3.7 | 238 27 23.0 14.6 5 400 7000 260 46 45.3 8.0 | 234 33 26.5 18.9 6 300 8920 255 52 50.2 13.5 | 232 40 31.4 24.4 7 283 9298 250 50 47.0 17.1 | 225 40 28.2 28.1 8 250 10100 255 50 48.3 12.9 | 231 38 29.5 23.9 9 200 11540 265 42 41.8 3.7 | 238 27 23.0 14.6 10 150 13430 270 29 29.0 -0.0 | 223 15 10.2 11.0 11 100 16060 280 17 16.7 -3.0 | 166 8 -2.1 8.0 12 70 18350 280 19 18.7 -3.3 | 179 8 -0.1 7.7 13 50 20510 290 17 16.0 -5.8 | 151 6 -2.8 5.1 14 30 23740 330 17 8.5 -14.7 | 70 11 -10.3 -3.8 15 20 26290 330 19 9.5 -16.5 | 59 11 -9.3 -5.5 Wind Parameters Mean winds (0-6000m): 270.2 at 29.0 knts Storm direction: 300.2 at 21.8 knts Shear (0-3000m) pos: 1.9 neg: 2.4 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 92.2 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -5.8 tot: 43.3 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 38.45 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 ------------------------------------------------------------------------------- 500 284 13 140 10| 12.0 0.0 12.0| 17.9 0.0 17.9 35.8 0.53| 12.2 6.4 1000 287 16 151 7| 5.7 0.0 5.7| 20.1 -2.9 17.2 17.2 0.33| 8.9 2.9 1500 286 16 152 7| 3.8 0.5 4.3| 23.8 -5.8 18.0 12.0 0.27| 7.5 2.1 2000 285 17 160 7| 2.9 1.3 4.1| 33.4 -5.8 27.6 13.8 0.40| 6.9 2.8 2500 282 18 173 7| 2.3 2.1 4.4| 42.2 -5.8 36.4 14.6 0.44| 6.6 2.9 3000 279 20 186 8| 1.9 2.4 4.3| 49.1 -5.8 43.3 14.4 0.44| 6.2 2.7 4000 275 23 205 10| 1.4 2.5 3.9| 60.6 -5.8 54.8 13.7 0.44| 5.3 2.4 5000 272 26 217 12| 1.1 2.6 3.7| 70.2 -5.8 64.4 12.9 0.43| 4.8 2.1 6000 270 29 223 15| 1.0 2.5 3.4| 72.7 -10.7 62.0 10.3 0.39| 4.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250424.00.gif