UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 17 APR 25 Station: U5428 WMO ident: 25428 Latitude: 65.23 Longitude: 160.53 ------------------------------------------------------------------------------- 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 45 SFC 973 265 -0.5 -4.0 77 3.5 -1.8 120 3 274.8 275.3 272.8 282.8 2.92 2 972 273 0.6 -6.4 59 7.0 -1.9 120 3 276.0 276.4 272.8 282.8 2.43 3 971 281 1.0 -6.0 59 7.0 -1.5 121 3 276.5 276.9 273.2 283.5 2.51 4 952 440 -2.1 -8.1 63 6.0 -4.1 129 5 274.9 275.3 271.7 281.0 2.18 5 925 669 -3.7 -8.7 68 5.0 -5.3 140 7 275.5 275.9 272.0 281.5 2.14 6 905 841 -4.9 -9.3 71 4.4 -6.3 170 8 276.0 276.4 272.2 281.9 2.08 7 861 1231 -4.9 -8.0 79 3.1 -6.0 238 9 280.0 280.4 275.0 286.9 2.43 8 850 1332 -5.7 -8.8 79 3.1 -6.7 255 9 280.2 280.6 275.0 286.7 2.31 9 772 2084 -8.3 -12.0 75 3.7 -9.4 253 17 285.2 285.5 277.2 291.0 1.97 10 714 2691 -7.9 -11.6 75 3.7 -9.1 251 23 292.1 292.5 280.7 298.7 2.20 11 700 2845 -8.9 -12.5 75 3.6 -10.1 250 25 292.6 293.0 280.8 298.9 2.09 12 601 4005 -15.7 -21.7 60 6.0 -17.1 241 27 297.8 298.0 281.9 301.4 1.12 13 500 5360 -26.1 -32.1 57 6.0 -26.9 230 29 301.2 301.3 282.5 302.9 0.52 14 441 6259 -32.5 -39.5 50 7.0 -33.1 238 32 304.1 304.2 283.4 305.1 0.28 15 400 6940 -38.3 -47.3 38 9.0 -38.8 245 35 305.2 305.2 283.7 305.7 0.13 16 363 7598 -43.9 -53.9 32 10.0 -44.3 247 47 306.3 306.3 284.0 306.6 0.07 17 349 7860 -46.5 -56.5 31 10.0 -46.8 248 52 306.3 306.3 284.0 306.5 0.05 18 313 8575 -50.7 -60.0 32 9.3 -50.9 250 66 310.1 310.1 285.4 310.3 0.04 19 300 8850 -52.3 -61.3 33 9.0 -52.5 250 58 311.6 311.6 285.9 311.8 0.03 20 294 8981 -53.3 -62.3 33 9.0 -53.5 250 56 312.0 312.0 286.1 312.1 0.03 21 285 9182 -53.5 -63.5 28 10.0 -53.7 251 53 314.5 314.5 286.9 314.6 0.03 22 250 10030 -52.5 -63.5 25 11.0 -52.7 255 38 328.0 328.0 291.2 328.1 0.03 23 200 11480 -50.7 -66.7 13 16.0 -51.1 260 27 352.5 352.5 297.2 352.6 0.02 24 173 12427 -47.9 -65.9 11 18.0 -48.6 257 23 372.0 372.0 300.9 372.2 0.03 25 150 13360 -50.3 -70.3 8 20.0 -50.9 255 19 383.4 383.4 302.8 383.5 0.02 26 100 15990 -53.1 -75.1 5 22.0 -53.7 300 13 425.1 425.1 308.3 425.2 0.01 27 70 18290 -55.1 -78.1 4 23.0 -55.8 320 7 466.5 466.5 312.4 466.6 0.01 28 50 20440 -55.1 -78.1 4 23.0 -56.1 280 7 513.6 513.6 315.9 513.7 0.02 29 34 22900 -56.7 -78.7 5 22.0 -57.9 265 9 569.3 569.3 319.1 569.5 0.02 30 30 23700 -53.9 -76.9 4 23.0 -55.6 260 9 597.7 597.7 320.5 598.0 0.04 31 27 24381 -50.7 -73.7 5 23.0 -53.2 243 11 625.0 625.0 321.7 625.5 0.07 32 21 26020 -50.1 -74.1 4 24.0 -53.3 203 14 673.4 673.4 323.6 674.0 0.08 33 20 26340 -48.5 -72.5 5 24.0 -52.2 195 15 687.7 687.8 324.0 688.6 0.11 34 18 27031 -49.5 -73.5 4 24.0 -53.2 189 14 705.6 705.6 324.6 706.5 0.10 35 17 27410 -44.5 -69.5 5 25.0 -50.1 186 14 733.3 733.4 325.5 735.0 0.19 36 14 28699 -48.3 -72.3 5 24.0 -53.1 174 13 762.3 762.3 326.3 763.7 0.16 37 13 29190 -44.9 -68.9 5 24.0 -51.2 170 13 790.4 790.5 327.1 793.1 0.27 38 12 29720 -49.1 -73.1 4 24.0 -54.1 166 12 793.8 793.9 327.1 795.4 0.16 39 10 30930 -43.9 -68.9 5 25.0 -51.7 155 11 855.7 855.9 328.6 859.5 0.36 40 9.0 31636 -44.7 -69.7 4 25.0 -52.5 878.8 879.0 329.1 882.7 0.35 41 8.2 32264 -41.3 -67.3 4 26.0 -51.2 915.9 916.2 329.8 922.2 0.55 TRP 294 8981 -53.3 -62.3 33 9.0 -53.5 250 56 312.0 312.0 286.1 312.1 0.03 WND 313 8575 -50.7 -60.0 32 9.3 -50.9 250 66 310.1 310.1 285.4 310.3 0.04 Sounding variables and indices 1000-500 mb thick: 5315.00 m Freezing level: Surface below freezing Freezing level: 972.55 mb = 268.57 m = 881.12 ft Freezing level: 964.87 mb = 332.56 m = 1091.07 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 67.99 % Est. max temperature: 6.50 C = 43.71 F Sfc-Lift cond lev (LCL): 921.14 mb = 701.89 m = 2302.76 ft T: -3.93 C 700-500 lapse rate: 6.84 C/km ThetaE index: 2.51 C Layer 952.0- 925.0 mb Conv cond level (CCL): 638.90 mb = 3540.04 m = 11614.15 ft Mean mixing ratio: 2.21 g/kg Conv temperature: 20.29 C = 68.52 F Cap Strength: 14.72 C Lifted Index: 16.01 C Risk: None Lifted Index @300 mb: 20.78 C Lifted Index @700 mb: 12.06 C Showalter Index: 12.58 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 17.30 C K Index: 8.00 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.12 J/kg Max Up Vert Vel: 5.12 m/s Conv Inhibition (B-): 73785.09 J/kg Cap Strength: 15.96 C Lift Cond Lev (LCL): 851.60 mb = 1317.29 m = 4321.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 16 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 ---------------------------------------------------------- 0 973 265 120 3 -2.6 1.5 | 94 19 -18.8 1.2 1 925 669 140 7 -4.5 5.4 | 104 21 -20.7 5.1 2 850 1332 255 9 8.7 2.3 | 105 8 -7.5 2.1 3 700 2845 250 25 23.5 8.6 | 221 11 7.3 8.3 4 500 5360 230 29 22.2 18.6 | 198 19 6.0 18.4 5 400 6940 245 35 31.7 14.8 | 227 21 15.5 14.5 6 313 8575 250 66 62.0 22.6 | 244 51 45.8 22.3 7 300 8850 250 58 54.5 19.8 | 243 43 38.3 19.6 8 294 8981 250 56 52.6 19.2 | 243 41 36.4 18.9 9 250 10030 255 38 36.7 9.8 | 245 23 20.5 9.6 10 200 11480 260 27 26.6 4.7 | 247 11 10.4 4.4 11 150 13360 255 19 18.4 4.9 | 204 5 2.1 4.7 12 100 15990 300 13 11.3 -6.5 | 36 8 -5.0 -6.8 13 70 18290 320 7 4.5 -5.4 | 64 13 -11.7 -5.6 14 50 20440 280 7 6.9 -1.2 | 81 9 -9.3 -1.5 15 30 23700 260 9 8.9 1.6 | 100 7 -7.4 1.3 16 20 26340 195 15 3.9 14.5 | 139 19 -12.4 14.2 17 10 30930 155 11 -4.6 10.0 | 115 23 -20.9 9.7 Wind Parameters Mean winds (0-6000m): 239.1 at 21.7 knts Storm direction: 269.1 at 16.2 knts Shear (0-3000m) pos: 2.7 neg: 2.1 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 122.7 deg Storm rel helicity (0-3000m) pos: 62.5 neg: -7.9 tot: 54.6 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 72.06 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 ------------------------------------------------------------------------------- 500 138 5 101 20| 5.3 0.0 5.3| 28.6 0.0 28.6 57.1 0.82| 6.6 5.4 1000 174 7 111 18| 5.5 0.0 5.5| 44.4 -2.8 41.6 41.6 0.41| 9.6 3.9 1500 220 8 118 12| 5.4 0.0 5.4| 49.4 -5.0 44.4 29.6 0.39| 8.5 3.4 2000 238 10 124 9| 4.1 1.4 5.4| 55.7 -5.0 50.7 25.3 0.49| 7.8 3.8 2500 243 12 136 7| 3.2 2.2 5.4| 61.7 -5.0 56.7 22.7 0.50| 7.3 3.6 3000 245 14 152 7| 2.7 2.1 4.8| 62.5 -7.9 54.6 18.2 0.45| 6.5 2.9 4000 244 17 176 7| 2.0 1.9 3.9| 62.5 -16.4 46.1 11.5 0.35| 5.4 1.9 5000 241 20 186 9| 1.6 1.8 3.4| 62.5 -27.7 34.8 7.0 0.27| 4.7 1.3 6000 239 22 192 11| 1.8 1.5 3.3| 92.0 -28.8 63.2 10.5 0.34| 4.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250417.00.gif