UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 26 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 73 80 5 SFC 998 90 9.8 -3.2 40 13.0 4.2 80 5 283.1 283.6 277.5 291.7 3.02 2 925 714 4.2 -9.8 35 14.0 -0.8 115 3 283.6 283.9 276.3 289.3 1.96 3 850 1394 -2.1 -10.1 54 8.0 -4.8 105 15 283.9 284.3 276.6 290.0 2.08 4 734 2543 -10.1 -13.6 75 3.5 -11.1 207 13 287.4 287.7 278.0 292.8 1.82 5 732 2564 -10.1 -13.6 75 3.5 -11.1 209 13 287.6 287.9 278.2 293.0 1.83 6 703 2879 -6.3 -18.3 38 12.0 -9.7 237 13 295.1 295.4 281.0 299.2 1.28 7 700 2912 -6.3 -19.3 35 13.0 -9.9 240 13 295.5 295.7 281.0 299.2 1.18 8 692 3002 -6.7 -20.7 32 14.0 -10.4 241 14 296.0 296.2 281.1 299.4 1.06 9 586 4280 -15.1 -33.1 20 18.0 -18.1 248 25 300.7 300.7 282.2 302.0 0.40 10 541 4879 -20.3 -36.3 23 16.0 -22.5 251 31 301.4 301.5 282.4 302.5 0.32 11 503 5416 -22.7 -46.7 9 24.0 -25.0 255 36 304.8 304.9 283.5 305.3 0.11 12 500 5460 -23.1 -47.1 9 24.0 -25.4 255 36 304.9 304.9 283.5 305.3 0.11 13 400 7050 -35.1 -53.1 14 18.0 -36.1 260 48 309.4 309.4 285.2 309.6 0.07 14 317 8621 -48.5 -65.7 12 17.2 -48.8 270 60 312.0 312.0 286.1 312.1 0.02 15 300 8980 -51.7 -68.7 11 17.0 -52.0 265 58 312.5 312.5 286.2 312.5 0.01 16 277 9494 -55.3 -72.3 10 17.0 -55.5 260 52 314.5 314.5 286.9 314.5 0.01 17 250 10150 -54.7 -70.7 12 16.0 -54.9 255 42 324.7 324.7 290.2 324.8 0.01 18 232 10630 -54.9 -71.9 10 17.0 -55.1 252 41 331.5 331.5 292.1 331.5 0.01 19 200 11590 -50.9 -68.9 10 18.0 -51.3 245 40 352.2 352.2 297.1 352.2 0.02 20 198 11655 -49.9 -68.9 9 19.0 -50.4 245 40 354.8 354.8 297.7 354.8 0.02 21 150 13460 -49.3 -73.3 4 24.0 -50.0 255 38 385.1 385.1 303.1 385.2 0.01 22 100 16090 -52.7 -76.7 4 24.0 -53.4 260 31 425.9 425.9 308.4 426.0 0.01 23 70 18390 -52.9 -76.9 4 24.0 -53.8 265 27 471.2 471.2 312.7 471.3 0.02 24 50 20550 -54.9 -78.9 4 24.0 -55.9 240 19 514.1 514.1 315.9 514.2 0.02 25 36 22651 -55.5 -79.5 3 24.0 -56.8 250 16 563.2 563.2 318.8 563.3 0.02 26 30 23820 -53.7 -77.7 4 24.0 -55.5 255 15 598.2 598.3 320.5 598.5 0.03 27 20 26420 -53.5 -77.5 4 24.0 -56.0 230 15 672.4 672.4 323.5 672.8 0.05 28 16 27864 -50.9 -74.9 4 24.0 -54.5 725.2 725.3 325.3 726.0 0.09 TRP 277 9494 -55.3 -72.3 10 17.0 -55.5 260 52 314.5 314.5 286.9 314.5 0.01 WND 317 8621 -48.5 -65.7 12 17.2 -48.8 270 60 312.0 312.0 286.1 312.1 0.02 Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 875.00 mb = 1167.33 m = 3829.79 ft Wetbulb zero: 936.24 mb = 614.74 m = 2016.83 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 38.22 % Est. max temperature: 10.69 C = 51.24 F Sfc-Lift cond lev (LCL): 817.93 mb = 1695.23 m = 5561.72 ft T: -4.20 C 700-500 lapse rate: 6.59 C/km ThetaE index: 2.40 C Layer 925.0- 850.0 mb Conv cond level (CCL): 614.78 mb = 3911.75 m = 12833.67 ft Mean mixing ratio: 2.35 g/kg Conv temperature: 26.03 C = 78.85 F Cap Strength: 12.96 C Lifted Index: 12.97 C Risk: None Lifted Index @300 mb: 15.84 C Lifted Index @700 mb: 9.15 C Showalter Index: 13.09 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 13.00 C K Index: -2.10 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 3.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.97 J/kg Max Up Vert Vel: 1.98 m/s Conv Inhibition (B-): 52785.43 J/kg Cap Strength: 12.96 C Lift Cond Lev (LCL): 772.96 mb = 2138.19 m = 7014.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 15 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 ---------------------------------------------------------- 0 998 90 80 5 -4.9 -0.9 | 90 20 -19.6 0.1 1 925 714 115 3 -2.7 1.3 | 97 18 -17.4 2.2 2 850 1394 105 15 -14.5 3.9 | 99 30 -29.2 4.9 3 700 2912 240 13 11.3 6.5 | 155 8 -3.4 7.5 4 500 5460 255 36 34.8 9.3 | 243 23 20.1 10.3 5 400 7050 260 48 47.3 8.3 | 254 34 32.6 9.3 6 317 8621 270 60 60.0 -0.0 | 269 45 45.3 1.0 7 300 8980 265 58 57.8 5.1 | 262 44 43.1 6.0 8 277 9494 260 52 51.2 9.0 | 255 38 36.5 10.0 9 250 10150 255 42 40.6 10.9 | 245 28 25.9 11.8 10 200 11590 245 40 36.3 16.9 | 230 28 21.6 17.9 11 150 13460 255 38 36.7 9.8 | 244 25 22.0 10.8 12 100 16090 260 31 30.5 5.4 | 248 17 15.8 6.4 13 70 18390 265 27 26.9 2.4 | 255 13 12.2 3.3 14 50 20550 240 19 16.5 9.5 | 190 11 1.8 10.5 15 30 23820 255 15 14.5 3.9 | 178 5 -0.2 4.9 16 20 26420 230 15 11.5 9.6 | 163 11 -3.2 10.6 Wind Parameters Mean winds (0-6000m): 243.8 at 19.6 knts Storm direction: 273.8 at 14.7 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 76.3 deg Storm rel helicity (0-3000m) pos: 158.6 neg: -1.9 tot: 156.7 m^2/s^2 ave: 52.2 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 73.09 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 89 4 93 19| 2.6 0.0 2.6| 10.2 0.0 10.2 20.4 0.78| 2.7 2.1 1000 102 5 96 20| 3.0 0.0 3.0| 16.4 0.0 16.4 16.4 0.33| 5.0 1.7 1500 106 8 98 22| 4.0 0.0 4.0| 50.1 -1.9 48.2 32.1 0.38| 6.7 2.5 2000 119 9 104 24| 3.8 0.0 3.8|117.6 -1.9 115.7 57.9 0.56| 7.9 4.4 2500 131 10 109 24| 3.5 0.0 3.5|150.2 -1.9 148.3 59.3 0.57| 8.5 4.8 3000 142 11 114 23| 3.3 0.0 3.3|158.6 -1.9 156.7 52.2 0.54| 8.5 4.6 4000 203 13 143 16| 3.7 0.0 3.7|179.6 -1.9 177.7 44.4 0.59| 7.5 4.5 5000 233 16 170 11| 3.9 0.0 3.9|205.2 -1.9 203.4 40.7 0.60| 7.0 4.2 6000 244 20 197 10| 3.9 0.0 3.9|231.0 -1.9 229.1 38.2 0.59| 6.6 3.9 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250426.12.gif