UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 25 APR 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 120 SFC 926 739 -1.1 -8.1 59 7.0 -3.5 250 1 278.1 278.5 273.7 284.4 2.24 2 925 748 -1.1 -8.1 59 7.0 -3.5 250 1 278.2 278.6 273.8 284.5 2.24 3 892 1039 4.4 -9.6 35 14.0 -0.7 248 2 286.8 287.1 278.1 292.9 2.07 4 887 1085 4.0 -10.0 35 14.0 -1.0 248 2 286.8 287.2 278.0 292.8 2.01 5 850 1427 0.8 -12.2 37 13.0 -3.6 245 3 287.0 287.3 277.7 292.2 1.76 6 700 2952 -12.1 -18.1 61 6.0 -13.6 290 3 289.1 289.3 278.2 293.1 1.31 7 674 3239 -14.7 -19.7 66 5.0 -15.9 287 5 289.3 289.5 278.1 293.0 1.19 8 636 3676 -16.7 -21.5 66 4.8 -17.7 283 7 291.9 292.1 279.2 295.2 1.08 9 621 3854 -17.5 -22.5 65 5.0 -18.6 281 8 293.0 293.1 279.6 296.1 1.01 10 608 4013 -16.7 -23.7 55 7.0 -18.1 280 9 295.7 295.8 280.7 298.6 0.93 11 579 4377 -19.3 -34.3 25 15.0 -21.4 276 11 296.8 296.9 280.4 298.0 0.36 12 500 5450 -26.5 -36.5 38 10.0 -27.6 265 17 300.7 300.8 282.1 301.9 0.34 13 450 6206 -31.9 -37.9 55 6.0 -32.5 267 23 303.1 303.2 283.1 304.3 0.32 14 402 6996 -38.5 -42.8 64 4.3 -38.8 270 29 304.5 304.6 283.5 305.3 0.22 15 400 7030 -38.7 -43.0 64 4.3 -39.0 270 29 304.7 304.7 283.6 305.4 0.21 16 300 8930 -54.5 -59.4 55 4.9 -54.6 260 33 308.5 308.5 284.8 308.7 0.04 17 281 9347 -58.3 -63.3 53 5.0 -58.3 265 29 308.9 308.9 284.9 309.0 0.03 18 250 10080 -61.5 -66.5 51 5.0 -61.6 275 23 314.6 314.6 287.0 314.7 0.02 19 248 10130 -61.7 -66.7 51 5.0 -61.7 275 23 315.1 315.1 287.1 315.1 0.02 20 239 10361 -57.1 -62.1 53 5.0 -57.2 271 21 325.3 325.3 290.4 325.5 0.04 21 214 11065 -52.9 -58.9 48 6.0 -53.1 258 16 342.3 342.3 294.9 342.6 0.06 22 200 11500 -53.9 -59.9 48 6.0 -54.1 250 13 347.4 347.4 296.1 347.7 0.06 23 164 12788 -50.1 -58.1 38 8.0 -50.5 236 10 374.1 374.1 301.4 374.5 0.09 24 150 13370 -51.7 -61.7 29 10.0 -52.1 230 9 381.0 381.0 302.5 381.3 0.06 25 101 15935 -51.9 -67.9 13 16.0 -52.5 128 7 426.2 426.2 308.4 426.4 0.04 26 100 16000 -51.9 -67.9 13 16.0 -52.5 125 7 427.4 427.5 308.6 427.7 0.04 27 70 18320 -51.1 -70.1 9 19.0 -52.1 145 5 475.1 475.1 313.1 475.3 0.04 28 50 20500 -51.7 -72.7 6 21.0 -53.1 165 5 521.6 521.7 316.4 521.9 0.04 29 44 21327 -51.5 -72.5 6 21.0 -53.1 151 4 541.6 541.6 317.6 541.9 0.05 30 42 21629 -50.5 -72.5 6 22.0 -52.3 146 4 551.3 551.3 318.2 551.6 0.05 31 30 23810 -52.1 -74.1 5 22.0 -54.1 110 3 602.6 602.6 320.7 603.0 0.06 32 28 24256 -52.9 -74.9 5 22.0 -54.9 114 3 612.4 612.4 321.2 612.8 0.05 33 20 26450 -48.7 -72.7 5 24.0 -52.4 135 5 687.1 687.2 324.0 688.0 0.10 34 15 28353 -45.9 -70.9 4 25.0 -51.4 755.3 755.4 326.1 757.0 0.18 35 10 31053 -45.7 -71.7 4 26.0 -52.8 849.0 849.1 328.4 851.5 0.24 TRP 248 10130 -61.7 -66.7 51 5.0 -61.7 275 23 315.1 315.1 287.1 315.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5330.00 m Freezing level: Surface below freezing Freezing level: 918.40 mb = 806.22 m = 2645.05 ft Freezing level: 840.70 mb = 1521.57 m = 4991.98 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 46.58 % Est. max temperature: 8.64 C = 47.55 F Sfc-Lift cond lev (LCL): 829.60 mb = 1617.85 m = 5307.84 ft T: -0.81 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.64 C Layer 887.0- 700.0 mb Conv cond level (CCL): 683.95 mb = 3127.98 m = 10262.29 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 9.79 C = 49.62 F Cap Strength: 6.87 C Lifted Index: 8.87 C Risk: None Lifted Index @300 mb: 12.34 C Lifted Index @700 mb: 2.73 C Showalter Index: 8.05 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 14.30 C K Index: 9.10 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.71 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 68489.21 J/kg Cap Strength: 8.80 C Lift Cond Lev (LCL): 722.32 mb = 2705.49 m = 8876.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 8 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 ---------------------------------------------------------- 0 926 739 250 1 0.9 0.3 | 124 7 -5.8 3.8 1 925 748 250 1 0.9 0.3 | 124 7 -5.8 3.8 2 850 1427 245 3 2.7 1.3 | 140 6 -4.0 4.8 3 700 2952 290 3 2.8 -1.0 | 122 5 -3.9 2.5 4 500 5450 265 17 16.9 1.5 | 244 11 10.2 5.0 5 400 7030 270 29 29.0 -0.0 | 261 23 22.3 3.5 6 300 8930 260 33 32.5 5.7 | 250 27 25.8 9.2 7 250 10080 275 23 22.9 -2.0 | 265 16 16.2 1.5 8 248 10130 275 23 22.9 -2.0 | 265 16 16.2 1.5 9 200 11500 250 13 12.2 4.4 | 215 10 5.5 7.9 10 150 13370 230 9 6.9 5.8 | 181 9 0.2 9.3 11 100 16000 125 7 -5.7 4.0 | 121 15 -12.4 7.5 12 70 18320 145 5 -2.9 4.1 | 128 12 -9.6 7.6 13 50 20500 165 5 -1.3 4.8 | 136 12 -8.0 8.3 14 30 23810 110 3 -2.8 1.0 | 115 11 -9.5 4.5 15 20 26450 135 5 -3.5 3.5 | 124 12 -10.2 7.0 Wind Parameters Mean winds (0-6000m): 267.5 at 10.1 knts Storm direction: 297.5 at 7.6 knts Shear (0-3000m) pos: 0.5 neg: 0.7 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 71.7 deg Storm rel helicity (0-3000m) pos: 5.3 neg: -2.1 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 1.5 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.42 Bulk Shear: 9.57 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 2 129 7| 0.0 1.5 1.5| 2.3 0.0 2.3 4.6 0.90| 1.5 1.4 1000 248 2 134 6| 0.3 0.7 1.1| 3.2 -0.3 2.9 2.9 0.68| 1.3 0.9 1500 253 3 135 6| 0.4 0.5 0.9| 3.2 -0.9 2.3 1.5 0.38| 1.1 0.4 2000 260 3 134 6| 0.5 0.4 0.8| 3.2 -1.7 1.5 0.7 0.15| 1.0 0.2 2500 266 3 133 5| 0.7 0.3 1.0| 3.9 -2.1 1.8 0.7 0.17| 1.2 0.2 3000 271 3 135 5| 0.5 0.7 1.3| 5.3 -2.1 3.2 1.1 0.39| 1.5 0.6 4000 272 5 154 4| 0.4 1.3 1.7| 7.6 -2.1 5.5 1.4 0.41| 1.9 0.8 5000 267 7 189 4| 0.3 1.7 2.0| 11.0 -2.5 8.4 1.7 0.32| 2.2 0.7 6000 268 10 221 5| 0.9 1.4 2.3| 24.2 -2.5 21.6 3.6 0.34| 2.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250425.12.gif