UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 16 OCT 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 ------------------------------------------------------------------------------- SFC 1011 91 3.6 3.6 100 0.0 3.6 155 5 275.9 276.7 276.2 289.1 4.90 1 1000 180 3.2 1.2 87 2.0 2.3 145 3 276.4 277.1 275.5 287.7 4.17 2 946 628 1.0 -0.5 90 1.5 0.4 191 4 278.5 279.2 276.3 289.3 3.89 3 925 809 1.6 -1.0 83 2.6 0.5 210 5 280.9 281.6 277.5 291.7 3.84 4 878 1227 -1.9 -6.6 70 4.7 -3.6 195 7 281.5 282.0 276.2 289.1 2.65 5 850 1484 -3.1 -8.0 69 4.9 -4.8 185 9 282.9 283.3 276.6 290.0 2.46 6 700 3000 -9.9 -22.9 34 13.0 -12.9 205 19 291.5 291.7 278.7 294.2 0.87 7 687 3144 -10.3 -26.3 26 16.0 -13.6 206 21 292.6 292.8 279.0 294.7 0.65 8 575 4492 -18.1 -42.1 10 24.0 -21.0 211 44 298.8 298.8 281.0 299.4 0.16 9 513 5333 -23.9 -29.9 58 6.0 -24.8 214 59 301.7 301.8 282.9 303.7 0.62 10 500 5520 -24.3 -30.3 58 6.0 -25.2 215 62 303.4 303.5 283.6 305.5 0.62 11 493 5622 -25.1 -31.1 57 6.0 -26.0 215 62 303.7 303.8 283.7 305.6 0.58 12 420 6761 -33.1 -39.1 55 6.0 -33.7 215 67 307.6 307.7 284.8 308.7 0.31 13 400 7100 -36.3 -43.3 48 7.0 -36.8 215 69 307.8 307.8 284.8 308.6 0.21 14 305 8923 -51.3 -59.3 38 8.0 -51.5 210 77 311.6 311.6 285.9 311.7 0.04 15 300 9030 -51.9 -59.9 38 8.0 -52.1 210 77 312.2 312.2 286.2 312.3 0.04 16 260 9943 -57.3 -64.4 40 7.1 -57.4 205 83 317.3 317.3 287.9 317.4 0.03 17 256 10041 -57.9 -64.9 40 7.0 -58.0 210 81 317.8 317.8 288.1 317.9 0.02 18 250 10190 -57.5 -64.5 41 7.0 -57.6 210 79 320.6 320.6 288.9 320.7 0.03 19 236 10554 -55.5 -62.5 41 7.0 -55.6 213 74 328.9 328.9 291.5 329.1 0.04 20 200 11610 -53.9 -61.9 37 8.0 -54.1 220 60 347.4 347.4 296.1 347.6 0.05 21 154 13300 -52.3 -64.3 22 12.0 -52.7 225 44 377.1 377.1 301.8 377.3 0.04 22 150 13470 -53.3 -65.3 22 12.0 -53.7 225 42 378.2 378.2 302.0 378.4 0.04 23 111 15398 -54.7 -70.7 12 16.0 -55.1 232 28 409.6 409.6 306.5 409.8 0.02 24 100 16060 -57.3 -73.3 11 16.0 -57.7 235 23 417.0 417.0 307.4 417.1 0.02 25 98 16188 -57.3 -74.3 10 17.0 -57.7 236 22 419.4 419.4 307.7 419.5 0.02 26 70 18320 -56.9 -75.9 7 19.0 -57.5 250 13 462.7 462.7 312.0 462.8 0.02 27 50 20430 -59.5 -78.5 7 19.0 -60.1 275 15 503.3 503.3 315.2 503.4 0.02 28 35 22659 -60.9 -79.9 6 19.0 -61.6 289 15 553.7 553.7 318.3 553.8 0.02 29 30 23620 -60.1 -82.1 4 22.0 -61.0 295 15 580.8 580.8 319.7 580.9 0.02 30 20 26140 -59.7 -79.7 6 20.0 -61.0 320 13 653.4 653.4 322.8 653.7 0.03 31 16 27539 -58.5 -79.5 5 21.0 -60.3 700.4 700.4 324.4 700.8 0.05 TRP 256 10041 -57.9 -64.9 40 7.0 -58.0 210 81 317.8 317.8 288.1 317.9 0.02 WND 260 9943 -57.3 -64.4 40 7.1 -57.4 205 83 317.3 317.3 287.9 317.4 0.03 Sounding variables and indices 1000-500 mb thick: 5340.00 m Freezing level: 903.51 mb = 999.93 m = 3280.58 ft Wetbulb zero: 919.40 mb = 857.62 m = 2813.68 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 47.11 % Est. max temperature: 10.09 C = 50.16 F Sfc-Lift cond lev (LCL): 1011.00 mb = 91.38 m = 299.81 ft T: 3.60 C 700-500 lapse rate: 5.71 C/km ThetaE index: 2.58 C Layer 878.0- 850.0 mb Conv cond level (CCL): 889.57 mb = 1121.84 m = 3680.53 ft Mean mixing ratio: 3.99 g/kg Conv temperature: 9.13 C = 48.43 F Cap Strength: 11.21 C Lifted Index: 12.42 C Risk: None Lifted Index @300 mb: 16.22 C Lifted Index @700 mb: 6.13 C Showalter Index: 11.95 C Risk: None Total Totals Index: 37.50 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 16.30 C K Index: 0.20 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 3.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.04 J/kg Max Up Vert Vel: 6.49 m/s Conv Inhibition (B-): 51142.96 J/kg Cap Strength: 12.24 C Lift Cond Lev (LCL): 931.83 mb = 749.78 m = 2459.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 241 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 1011 91 155 5 -2.1 4.5 | 74 21 -20.6 -5.9 1 1000 180 145 3 -1.7 2.5 | 68 22 -20.2 -8.0 2 925 809 210 5 2.5 4.3 | 69 17 -16.0 -6.1 3 850 1484 185 9 0.8 9.0 | 85 18 -17.7 -1.5 4 700 3000 205 19 8.0 17.2 | 123 12 -10.4 6.8 5 500 5520 215 62 35.6 50.8 | 203 44 17.1 40.4 6 400 7100 215 69 39.6 56.5 | 205 51 21.1 46.1 7 300 9030 210 77 38.5 66.7 | 200 60 20.0 56.3 8 260 9943 205 83 35.1 75.2 | 194 67 16.6 64.8 9 256 10041 210 81 40.5 70.1 | 200 64 22.0 59.7 10 250 10190 210 79 39.5 68.4 | 200 62 21.0 58.0 11 200 11610 220 60 38.6 46.0 | 209 41 20.1 35.5 12 150 13470 225 42 29.7 29.7 | 210 22 11.2 19.3 13 100 16060 235 23 18.8 13.2 | 188 3 0.4 2.8 14 70 18320 250 13 12.2 4.4 | 46 9 -6.3 -6.0 15 50 20430 275 15 14.9 -1.3 | 17 12 -3.5 -11.7 16 30 23620 295 15 13.6 -6.3 | 16 17 -4.9 -16.8 17 20 26140 320 13 8.4 -10.0 | 26 23 -10.1 -20.4 Wind Parameters Mean winds (0-6000m): 210.6 at 28.3 knts Storm direction: 240.6 at 21.2 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 56.1 deg Storm rel helicity (0-3000m) pos: 70.5 neg: -14.0 tot: 56.5 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 87.75 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 ------------------------------------------------------------------------------- 500 166 4 71 21| 2.8 0.0 2.8| 4.9 -11.6 -6.7 -13.4 -0.23| 5.1 -1.2 1000 191 5 71 19| 2.4 0.0 2.4| 13.2 -14.0 -0.8 -0.8 0.02| 4.5 0.1 1500 189 6 75 18| 1.6 1.2 2.8| 29.2 -14.0 15.2 10.1 0.30| 4.3 1.3 2000 190 7 79 18| 2.0 0.9 2.9| 42.9 -14.0 28.8 14.4 0.42| 4.1 1.8 2500 193 9 83 17| 2.4 0.7 3.1| 55.6 -14.0 41.5 16.6 0.51| 4.1 2.1 3000 197 10 88 16| 2.8 0.6 3.4| 70.5 -14.0 56.5 18.8 0.59| 4.2 2.5 4000 202 15 104 13| 4.2 0.5 4.7|129.4 -14.0 115.4 28.8 0.68| 5.4 3.6 5000 207 21 135 12| 5.2 0.4 5.5|200.0 -14.0 186.0 37.2 0.63| 6.1 3.8 6000 211 28 164 15| 5.0 0.4 5.4|242.5 -14.0 228.4 38.1 0.60| 5.9 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251016.12.gif