UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 27 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 134 SFC 984 261 -3.5 -13.5 46 10.0 -6.2 50 3 270.9 271.1 267.8 274.7 1.37 2 983 269 -1.9 -16.9 31 15.0 -5.7 50 3 272.6 272.8 268.4 275.5 1.03 3 978 310 -3.3 -18.3 30 15.0 -6.9 51 3 271.6 271.7 267.5 274.2 0.92 4 925 746 -7.3 -18.3 41 11.0 -9.8 65 5 271.8 272.0 267.8 274.6 0.98 5 850 1403 -13.5 -21.5 51 8.0 -15.0 45 5 272.0 272.1 267.6 274.3 0.81 6 806 1803 -16.9 -22.9 60 6.0 -17.9 44 7 272.6 272.7 267.8 274.7 0.75 7 799 1868 -16.9 -22.9 60 6.0 -17.9 43 8 273.2 273.4 268.3 275.4 0.76 8 791 1943 -14.5 -21.5 55 7.0 -15.9 43 8 276.6 276.7 270.6 279.1 0.87 9 709 2764 -17.5 -31.5 28 14.0 -19.5 40 12 282.1 282.1 273.1 283.3 0.39 10 700 2859 -18.1 -32.1 28 14.0 -20.0 40 13 282.4 282.5 273.2 283.6 0.37 11 665 3239 -20.7 -35.7 25 15.0 -22.4 36 14 283.7 283.7 273.8 284.6 0.27 12 510 5151 -32.3 -45.3 26 13.0 -33.1 16 21 292.0 292.0 277.9 292.4 0.13 13 500 5290 -33.7 -47.7 23 14.0 -34.5 15 21 292.0 292.0 277.8 292.3 0.10 14 425 6411 -41.7 -55.7 20 14.0 -42.2 8 28 295.6 295.6 279.4 295.8 0.05 15 400 6820 -43.3 -58.3 18 15.0 -43.7 5 31 298.7 298.7 280.8 298.8 0.04 16 316 8389 -49.7 -64.7 16 15.0 -50.0 360 33 310.6 310.7 285.6 310.7 0.02 17 300 8730 -48.9 -64.9 14 16.0 -49.2 5 25 316.4 316.4 287.6 316.5 0.02 18 250 9930 -46.5 -66.5 9 20.0 -47.0 10 11 336.9 336.9 293.6 337.0 0.02 19 209 11118 -45.5 -69.5 5 24.0 -46.2 46 6 356.2 356.2 298.0 356.3 0.02 20 200 11410 -46.5 -70.5 5 24.0 -47.2 55 5 359.1 359.1 298.5 359.2 0.01 21 150 13320 -47.1 -71.1 5 24.0 -47.9 45 5 388.9 388.9 303.6 389.0 0.02 22 100 15980 -49.7 -73.7 4 24.0 -50.6 15 1 431.7 431.7 309.0 431.8 0.02 23 70 18320 -49.3 -73.3 4 24.0 -50.6 100 5 478.9 478.9 313.4 479.1 0.03 24 57 19664 -48.3 -72.3 5 24.0 -50.0 158 4 510.2 510.2 315.7 510.4 0.04 25 50 20520 -50.3 -74.3 4 24.0 -51.9 195 3 524.9 524.9 316.6 525.1 0.03 26 42 21655 -51.5 -74.5 5 23.0 -53.1 173 5 548.8 548.8 318.1 549.1 0.04 27 30 23850 -49.3 -73.3 4 24.0 -52.0 130 9 610.2 610.3 321.1 610.7 0.06 28 21 26197 -46.5 -70.5 5 24.0 -50.8 104 7 684.2 684.3 324.0 685.4 0.14 29 20 26520 -47.1 -71.1 5 24.0 -51.3 100 7 692.0 692.1 324.2 693.1 0.13 30 17 27591 -49.1 -73.1 4 24.0 -53.1 718.5 718.6 325.0 719.5 0.11 31 14 28875 -45.7 -69.7 5 24.0 -51.5 771.1 771.2 326.5 773.3 0.23 32 13 29369 -45.5 -69.5 5 24.0 -51.6 788.3 788.4 327.0 790.8 0.25 33 11 30478 -47.5 -71.5 5 24.0 -53.4 819.6 819.7 327.8 821.9 0.22 TRP 316 8389 -49.7 -64.7 16 15.0 -50.0 360 33 310.6 310.7 285.6 310.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5156.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 34.98 % Est. max temperature: -2.20 C = 28.04 F Sfc-Lift cond lev (LCL): 839.91 mb = 1492.75 m = 4897.41 ft T: -14.26 C 700-500 lapse rate: 6.42 C/km ThetaE index: 1.32 C Layer 978.0- 925.0 mb Conv cond level (CCL): 629.13 mb = 3638.60 m = 11937.52 ft Mean mixing ratio: 0.94 g/kg Conv temperature: 11.00 C = 51.79 F Cap Strength: 14.73 C Lifted Index: 14.56 C Risk: None Lifted Index @300 mb: 29.71 C Lifted Index @700 mb: 8.77 C Showalter Index: 14.68 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 12.20 C K Index: -15.30 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.57 J/kg Max Up Vert Vel: 1.77 m/s Conv Inhibition (B-): 79920.47 J/kg Cap Strength: 14.66 C Lift Cond Lev (LCL): 771.18 mb = 2133.51 m = 6999.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 55 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 ---------------------------------------------------------- 0 984 261 50 3 -2.3 -1.9 | 237 8 6.3 4.1 1 925 746 65 5 -4.5 -2.1 | 226 6 4.1 3.9 2 850 1403 45 5 -3.5 -3.5 | 244 6 5.1 2.5 3 700 2859 40 13 -8.4 -10.0 | 356 4 0.3 -3.9 4 500 5290 15 21 -5.4 -20.3 | 347 15 3.2 -14.3 5 400 6820 5 31 -2.7 -30.9 | 347 26 5.9 -24.9 6 316 8389 360 33 -0.0 -33.0 | 342 28 8.6 -27.0 7 300 8730 5 25 -2.2 -24.9 | 341 20 6.5 -18.9 8 250 9930 10 11 -1.9 -10.8 | 306 8 6.7 -4.8 9 200 11410 55 5 -4.1 -2.9 | 235 6 4.5 3.2 10 150 13320 45 5 -3.5 -3.5 | 244 6 5.1 2.5 11 100 15980 15 1 -0.3 -1.0 | 239 10 8.4 5.1 12 70 18320 100 5 -4.9 0.9 | 208 8 3.7 6.9 13 50 20520 195 3 0.8 2.9 | 227 13 9.4 8.9 14 30 23850 130 9 -6.9 5.8 | 188 12 1.7 11.8 15 20 26520 100 7 -6.9 1.2 | 194 7 1.8 7.2 Wind Parameters Mean winds (0-6000m): 25.1 at 14.0 knts Storm direction: 55.1 at 10.5 knts Shear (0-3000m) pos: 0.4 neg: 1.8 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 120.3 deg Storm rel helicity (0-3000m) pos: 7.6 neg: -2.0 tot: 5.7 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 15.91 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 60 4 232 7| 2.3 0.0 2.3| 0.0 -2.0 -2.0 -3.9 -0.51| 2.3 -1.2 1000 58 5 233 6| 1.1 0.7 1.8| 1.9 -2.0 -0.0 -0.0 0.05| 1.8 0.1 1500 53 5 237 6| 0.8 1.0 1.8| 3.6 -2.0 1.7 1.1 0.25| 2.0 0.5 2000 49 6 242 5| 0.6 1.4 2.0| 5.4 -2.0 3.4 1.7 0.43| 2.2 0.9 2500 46 7 251 4| 0.5 1.7 2.1| 7.1 -2.0 5.2 2.1 0.54| 2.3 1.3 3000 44 8 264 3| 0.4 1.8 2.1| 7.6 -2.0 5.7 1.9 0.49| 2.3 1.1 4000 38 10 306 3| 0.3 1.8 2.1| 7.6 -3.1 4.6 1.1 0.34| 2.3 0.8 5000 31 12 330 5| 0.2 1.9 2.1| 7.6 -7.6 0.0 0.0 0.21| 2.3 0.5 6000 25 14 338 7| 0.2 2.1 2.3| 8.4 -8.3 0.1 0.0 0.16| 2.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250427.00.gif