UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 29 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1006 60 3.0 -6.0 52 9.0 -0.3 110 1 275.7 276.1 272.6 282.4 2.42 1 1000 108 3.8 -6.2 48 10.0 0.1 120 5 277.0 277.4 273.3 283.7 2.40 2 925 742 5.8 -8.2 36 14.0 0.5 190 42 285.2 285.6 277.5 291.7 2.22 3 922 769 5.6 -8.4 36 14.0 0.4 190 42 285.3 285.7 277.5 291.7 2.20 4 882 1130 3.6 -10.4 35 14.0 -1.4 190 38 286.9 287.2 278.0 292.7 1.96 5 850 1431 5.0 -25.0 9 30.0 -3.0 190 35 291.4 291.5 278.3 293.3 0.59 6 822 1704 6.2 -28.8 6 35.0 -2.7 191 33 295.5 295.5 280.0 296.9 0.43 7 816 1764 6.0 -29.0 6 35.0 -2.9 191 33 295.9 295.9 280.1 297.3 0.43 8 711 2876 -0.7 -15.7 31 15.0 -5.7 195 26 300.4 300.7 283.5 305.4 1.58 9 700 3000 -1.3 -16.3 31 15.0 -6.2 195 25 301.0 301.3 283.7 305.9 1.53 10 585 4404 -10.5 -30.5 18 20.0 -14.6 203 25 306.2 306.3 284.5 307.9 0.52 11 500 5590 -19.5 -40.5 14 21.0 -22.2 210 25 309.3 309.3 285.4 310.1 0.22 12 400 7200 -32.7 -50.7 15 18.0 -33.9 215 21 312.5 312.5 286.4 312.8 0.09 13 300 9160 -49.1 -63.1 18 14.0 -49.4 225 25 316.1 316.2 287.5 316.2 0.03 14 258 10131 -56.3 -66.3 27 10.0 -56.4 246 30 319.5 319.5 288.6 319.6 0.02 15 250 10330 -57.1 -67.1 27 10.0 -57.2 250 31 321.2 321.2 289.1 321.2 0.02 16 234 10749 -59.1 -69.1 26 10.0 -59.2 250 35 324.3 324.3 290.0 324.3 0.01 17 215 11282 -59.3 -69.3 26 10.0 -59.4 269 35 331.9 331.9 292.3 332.0 0.02 18 200 11740 -55.9 -65.9 28 10.0 -56.1 285 35 344.2 344.2 295.4 344.4 0.03 19 165 12974 -51.9 -63.9 22 12.0 -52.2 292 31 370.4 370.4 300.7 370.6 0.04 20 150 13590 -52.3 -65.3 19 13.0 -52.7 295 29 380.0 380.0 302.3 380.1 0.04 21 100 16200 -53.1 -70.1 11 17.0 -53.7 320 23 425.1 425.1 308.3 425.3 0.03 22 70 18490 -53.5 -72.5 8 19.0 -54.3 310 23 469.9 469.9 312.7 470.1 0.03 23 60 19479 -55.1 -74.1 8 19.0 -55.9 319 21 487.5 487.5 314.1 487.7 0.03 24 50 20650 -52.7 -72.7 7 20.0 -53.9 330 19 519.3 519.3 316.3 519.5 0.04 25 30 23950 -51.3 -73.3 6 22.0 -53.5 240 1 604.8 604.8 320.9 605.3 0.06 26 28 24401 -49.7 -71.7 6 22.0 -52.4 263 2 621.3 621.3 321.6 621.9 0.09 27 21 26281 -51.1 -73.1 6 22.0 -54.0 359 5 670.3 670.4 323.4 671.1 0.09 28 20 26600 -48.7 -71.7 5 23.0 -52.4 15 5 687.1 687.2 324.0 688.1 0.12 29 10 31230 -39.1 -66.1 4 27.0 -49.3 65 17 873.6 873.9 329.0 879.4 0.53 30 9.6 31510 -39.1 -66.1 4 27.0 -49.5 883.9 884.1 329.2 889.9 0.55 TRP 234 10749 -59.1 -69.1 26 10.0 -59.2 250 35 324.3 324.3 290.0 324.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5482.00 m Freezing level: 721.97 mb = 2759.66 m = 9053.90 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 23.20 % Est. max temperature: 17.87 C = 64.16 F Sfc-Lift cond lev (LCL): 874.64 mb = 1198.35 m = 3931.55 ft T: 3.92 C 700-500 lapse rate: 7.03 C/km ThetaE index: 0.01 C Layer 922.0- 882.0 mb Conv cond level (CCL): 545.99 mb = 4925.19 m = 16158.57 ft Mean mixing ratio: 2.29 g/kg Conv temperature: 34.95 C = 94.91 F Cap Strength: 17.17 C Lifted Index: 18.04 C Risk: None Lifted Index @300 mb: 19.79 C Lifted Index @700 mb: 15.50 C Showalter Index: 14.29 C Risk: None Total Totals Index: 19.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: -5.50 C K Index: -15.50 Risk: None Sweat Index: 162.75 Risk: None Energy Index: 3.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.80 J/kg Max Up Vert Vel: 6.90 m/s Conv Inhibition (B-): 59986.32 J/kg Cap Strength: 17.93 C Lift Cond Lev (LCL): 789.06 mb = 2035.01 m = 6676.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 227 at 21 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 1006 60 110 1 -0.9 0.3 | 49 21 -15.9 -13.8 1 1000 108 120 5 -4.3 2.5 | 59 22 -19.3 -11.6 2 925 742 190 42 7.3 41.4 | 164 28 -7.6 27.2 3 850 1431 190 35 6.1 34.5 | 156 22 -8.8 20.3 4 700 3000 195 25 6.5 24.1 | 140 13 -8.5 10.0 5 500 5590 210 25 12.5 21.7 | 162 8 -2.4 7.5 6 400 7200 215 21 12.0 17.2 | 137 4 -2.9 3.1 7 300 9160 225 25 17.7 17.7 | 218 4 2.8 3.5 8 250 10330 250 31 29.1 10.6 | 284 15 14.2 -3.5 9 234 10749 250 35 32.9 12.0 | 277 18 18.0 -2.2 10 200 11740 285 35 33.8 -9.1 | 321 30 18.9 -23.2 11 150 13590 295 29 26.3 -12.3 | 337 29 11.4 -26.4 12 100 16200 320 23 14.8 -17.6 | 0 32 -0.1 -31.8 13 70 18490 310 23 17.6 -14.8 | 355 29 2.7 -28.9 14 50 20650 330 19 9.5 -16.5 | 10 31 -5.4 -30.6 15 30 23950 240 1 0.9 0.5 | 46 20 -14.1 -13.6 16 20 26600 15 5 -1.3 -4.8 | 41 25 -16.2 -19.0 17 10 31230 65 17 -15.4 -7.2 | 55 37 -30.3 -21.3 Wind Parameters Mean winds (0-6000m): 196.6 at 27.4 knts Storm direction: 226.6 at 20.6 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 91.2 deg Storm rel helicity (0-3000m) pos: 340.8 neg: -43.0 tot: 297.8 m^2/s^2 ave: 99.3 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 7.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.67 Bulk Shear: 35.63 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 ------------------------------------------------------------------------------- 500 163 17 95 20| 31.8 0.0 31.8|223.7 0.0 223.7 447.3 0.98| 36.2 35.6 1000 186 28 139 18| 19.9 0.0 19.9|340.8 -9.9 331.0 331.0 0.91| 28.3 25.6 1500 188 31 147 19| 11.7 0.0 11.7|340.8 -23.6 317.3 211.5 0.80| 20.4 16.3 2000 189 31 148 19| 7.9 0.0 7.9|340.8 -29.8 311.0 155.5 0.74| 16.2 11.9 2500 189 31 149 19| 5.7 0.0 5.7|340.8 -36.8 304.1 121.6 0.68| 13.6 9.2 3000 190 30 148 18| 4.3 0.0 4.3|340.8 -43.0 297.8 99.3 0.62| 11.8 7.4 4000 192 29 147 17| 3.2 0.0 3.2|345.5 -43.0 302.4 75.6 0.62| 9.2 5.7 5000 194 28 148 15| 2.6 0.0 2.6|349.5 -43.0 306.4 61.3 0.62| 7.6 4.7 6000 197 27 150 14| 2.1 0.0 2.1|351.3 -43.9 307.4 51.2 0.61| 6.6 4.0 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250429.00.gif