UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 26 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 174 SFC 989 261 -4.3 -12.3 54 8.0 -6.5 30 3 269.7 269.9 267.3 273.9 1.50 2 988 269 1.8 -11.2 37 13.0 -2.3 30 3 275.9 276.2 271.5 280.6 1.64 3 850 1448 -9.9 -17.9 52 8.0 -11.8 5 13 275.8 276.0 270.5 279.0 1.10 4 813 1789 -12.9 -19.9 56 7.0 -14.3 14 14 276.1 276.3 270.5 279.0 0.97 5 791 1998 -13.5 -19.5 61 6.0 -14.8 20 15 277.7 277.8 271.5 280.7 1.03 6 728 2627 -15.5 -29.5 29 14.0 -17.7 37 18 282.1 282.2 273.2 283.6 0.46 7 700 2922 -16.3 -31.3 26 15.0 -18.6 45 19 284.4 284.5 274.4 285.7 0.40 8 682 3117 -16.7 -32.7 24 16.0 -19.0 44 19 286.1 286.2 275.2 287.3 0.36 9 632 3682 -20.7 -34.7 27 14.0 -22.5 42 18 287.9 287.9 276.1 288.9 0.32 10 551 4683 -24.9 -43.9 15 19.0 -26.6 38 16 294.4 294.4 279.0 294.9 0.14 11 500 5380 -29.9 -43.9 24 14.0 -31.0 35 15 296.6 296.6 280.1 297.1 0.16 12 406 6838 -41.5 -52.5 29 11.0 -41.9 54 19 299.8 299.8 281.3 300.0 0.07 13 400 6940 -41.9 -52.9 29 11.0 -42.3 55 19 300.5 300.5 281.7 300.8 0.07 14 368 7501 -44.5 -55.5 28 11.0 -44.9 57 21 304.3 304.3 283.2 304.5 0.06 15 312 8587 -52.1 -64.1 22 12.0 -52.3 59 24 308.4 308.4 284.8 308.5 0.02 16 303 8776 -52.5 -64.5 22 12.0 -52.7 60 25 310.5 310.5 285.5 310.5 0.02 17 300 8840 -52.3 -64.3 22 12.0 -52.5 60 23 311.6 311.6 285.9 311.7 0.02 18 277 9355 -53.1 -66.1 19 13.0 -53.3 53 20 317.7 317.7 288.0 317.7 0.02 19 250 10020 -49.9 -63.9 18 14.0 -50.3 45 15 331.9 331.9 292.3 332.0 0.03 20 200 11480 -47.3 -67.3 8 20.0 -47.9 20 9 357.9 357.9 298.3 358.0 0.02 21 197 11580 -46.5 -67.5 7 21.0 -47.1 18 9 360.7 360.7 298.8 360.8 0.02 22 150 13380 -48.3 -72.3 5 24.0 -49.0 335 5 386.8 386.8 303.3 386.9 0.01 23 100 16030 -50.7 -73.7 5 23.0 -51.5 35 3 429.8 429.8 308.8 429.9 0.02 24 70 18360 -49.9 -73.9 4 24.0 -51.1 125 3 477.6 477.6 313.2 477.8 0.02 25 53 20171 -49.3 -73.3 4 24.0 -51.0 253 3 518.6 518.6 316.2 518.8 0.04 26 50 20550 -50.3 -74.3 4 24.0 -51.9 280 3 524.9 524.9 316.6 525.1 0.03 27 33 23251 -52.7 -75.7 5 23.0 -54.5 195 5 584.8 584.8 319.9 585.1 0.04 28 30 23870 -50.9 -73.9 5 23.0 -53.2 175 5 605.9 605.9 320.9 606.3 0.06 29 20 26530 -47.9 -71.9 5 24.0 -51.8 125 7 689.6 689.6 324.1 690.5 0.12 30 17 27601 -48.3 -72.3 5 24.0 -52.6 721.1 721.1 325.1 722.2 0.13 TRP 303 8776 -52.5 -64.5 22 12.0 -52.7 60 25 310.5 310.5 285.5 310.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5206.00 m Freezing level: Surface below freezing Freezing level: 988.30 mb = 266.24 m = 873.47 ft Freezing level: 966.77 mb = 450.05 m = 1476.51 ft Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 33.75 % Est. max temperature: 1.86 C = 35.35 F Sfc-Lift cond lev (LCL): 871.22 mb = 1254.66 m = 4116.28 ft T: -7.98 C 700-500 lapse rate: 5.53 C/km ThetaE index: 1.61 C Layer 850.0- 791.0 mb Conv cond level (CCL): 672.04 mb = 3226.08 m = 10584.13 ft Mean mixing ratio: 1.44 g/kg Conv temperature: 12.40 C = 54.32 F Cap Strength: 12.87 C Lifted Index: 14.03 C Risk: None Lifted Index @300 mb: 22.45 C Lifted Index @700 mb: 6.36 C Showalter Index: 14.85 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 12.00 C K Index: -12.90 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.53 J/kg Max Up Vert Vel: 1.75 m/s Conv Inhibition (B-): 54109.11 J/kg Cap Strength: 13.87 C Lift Cond Lev (LCL): 786.54 mb = 2040.79 m = 6695.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 65 at 11 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 ---------------------------------------------------------- 0 989 261 30 3 -1.5 -2.6 | 256 9 8.6 2.2 1 925 791 10 7 -1.2 -6.9 | 283 9 8.9 -2.1 2 850 1448 5 13 -1.1 -13.0 | 312 12 9.0 -8.2 3 700 2922 45 19 -13.4 -13.4 | 21 9 -3.3 -8.7 4 500 5380 35 15 -8.6 -12.3 | 349 8 1.5 -7.5 5 400 6940 55 19 -15.6 -10.9 | 42 8 -5.5 -6.1 6 303 8776 60 25 -21.7 -12.5 | 56 14 -11.6 -7.7 7 300 8840 60 23 -19.9 -11.5 | 56 12 -9.8 -6.7 8 250 10020 45 15 -10.6 -10.6 | 5 6 -0.5 -5.8 9 200 11480 20 9 -3.1 -8.5 | 298 8 7.0 -3.7 10 150 13380 335 5 2.1 -4.5 | 269 12 12.2 0.2 11 100 16030 35 3 -1.7 -2.5 | 255 9 8.4 2.3 12 70 18360 125 3 -2.5 1.7 | 230 10 7.6 6.5 13 50 20550 280 3 3.0 -0.5 | 252 14 13.0 4.3 14 30 23870 175 5 -0.4 5.0 | 225 14 9.7 9.8 15 20 26530 125 7 -5.7 4.0 | 206 10 4.4 8.8 Wind Parameters Mean winds (0-6000m): 34.7 at 14.9 knts Storm direction: 64.7 at 11.2 knts Shear (0-3000m) pos: 2.0 neg: 1.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 121.3 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -1.4 tot: 55.3 m^2/s^2 ave: 18.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 14.22 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 16 5 269 9| 0.0 4.2 4.2| 8.9 0.0 8.9 17.8 0.95| 4.2 4.0 1000 11 7 283 9| 0.0 4.4 4.4| 19.5 0.0 19.5 19.5 0.92| 4.5 4.1 1500 9 9 295 10| 1.2 3.0 4.1| 30.3 0.0 30.3 20.2 0.90| 4.4 4.0 2000 14 11 306 9| 1.8 2.2 4.0| 41.5 0.0 41.5 20.8 0.92| 4.4 4.0 2500 21 12 318 9| 2.3 1.8 4.0| 53.0 0.0 53.0 21.2 0.93| 4.4 4.1 3000 27 13 328 8| 2.0 1.5 3.5| 56.7 -1.4 55.3 18.4 0.89| 4.1 3.6 4000 31 14 340 8| 1.5 1.1 2.6| 56.7 -5.7 51.0 12.7 0.74| 3.3 2.4 5000 33 15 345 8| 1.2 0.9 2.1| 56.7 -9.7 47.0 9.4 0.62| 2.8 1.8 6000 35 15 348 8| 1.3 0.7 2.0| 64.3 -10.1 54.2 9.0 0.65| 2.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250426.00.gif