UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 16 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 44 195 3 SFC 994 94 8.0 3.0 71 5.0 5.6 195 3 281.6 282.5 279.0 294.9 4.77 2 982 194 8.8 2.8 66 6.0 5.9 204 5 283.4 284.2 279.9 296.8 4.76 3 925 686 5.0 0.0 70 5.0 2.7 250 17 284.4 285.1 279.6 296.1 4.13 4 888 1018 2.0 -1.2 79 3.2 0.6 264 24 284.7 285.3 279.5 295.8 3.94 5 850 1370 0.6 -1.6 85 2.2 -0.4 280 31 286.8 287.5 280.6 298.2 4.00 6 792 1935 -1.3 -3.2 87 1.9 -2.1 280 35 290.6 291.3 282.0 301.7 3.81 7 747 2398 -4.9 -6.7 87 1.8 -5.6 280 38 291.6 292.1 281.6 300.7 3.10 8 743 2440 -5.3 -7.2 86 1.9 -6.0 280 39 291.6 292.1 281.5 300.4 2.99 9 700 2906 -7.5 -10.9 77 3.4 -8.7 280 42 294.2 294.6 281.9 301.3 2.38 10 578 4374 -16.1 -20.0 72 3.9 -17.1 277 42 300.7 300.9 283.4 305.0 1.35 11 500 5450 -24.3 -29.0 65 4.7 -25.1 275 42 303.4 303.5 283.7 305.7 0.70 12 403 6978 -36.1 -40.0 67 3.9 -36.4 265 67 307.4 307.5 284.7 308.4 0.29 13 400 7030 -36.7 -40.7 66 4.0 -37.0 265 68 307.3 307.3 284.7 308.3 0.27 14 377 7437 -40.3 -44.6 64 4.3 -40.6 265 69 307.7 307.8 284.7 308.4 0.19 15 358 7788 -43.5 -48.0 61 4.5 -43.7 264 67 308.1 308.1 284.8 308.6 0.14 16 300 8960 -50.3 -55.3 55 5.0 -50.4 260 60 314.5 314.5 287.0 314.7 0.07 17 258 9930 -55.3 -61.3 47 6.0 -55.4 255 58 320.9 321.0 289.1 321.1 0.04 18 250 10130 -55.1 -61.1 47 6.0 -55.2 260 62 324.1 324.2 290.0 324.3 0.04 19 213 11169 -49.9 -56.9 44 7.0 -50.1 271 55 347.4 347.5 296.1 347.8 0.08 20 200 11580 -51.7 -58.7 43 7.0 -52.0 275 52 350.9 350.9 296.9 351.2 0.07 21 196 11710 -52.3 -59.3 43 7.0 -52.5 277 51 352.0 352.0 297.1 352.3 0.07 22 167 12754 -46.9 -54.9 40 8.0 -47.4 291 42 377.5 377.5 301.9 378.1 0.13 23 150 13460 -48.9 -57.9 34 9.0 -49.4 300 36 385.8 385.8 303.2 386.3 0.10 24 113 15306 -53.1 -63.1 29 10.0 -53.5 303 36 410.5 410.5 306.6 410.9 0.07 25 100 16100 -50.5 -61.5 26 11.0 -51.1 305 36 430.2 430.2 308.9 430.7 0.10 26 89 16860 -48.9 -59.9 27 11.0 -49.7 303 34 447.9 448.0 310.7 448.7 0.13 27 76 17878 -55.3 -67.3 21 12.0 -55.8 301 31 455.2 455.3 311.4 455.6 0.06 28 70 18410 -47.9 -59.9 24 12.0 -49.1 300 29 481.9 482.0 313.7 482.9 0.17 29 68 18601 -47.5 -59.5 24 12.0 -48.8 301 28 486.8 486.8 314.1 487.9 0.18 30 58 19638 -53.5 -66.5 19 13.0 -54.4 306 22 495.9 495.9 314.7 496.4 0.09 31 56 19864 -53.7 -66.7 19 13.0 -54.6 307 21 500.4 500.5 315.0 501.0 0.09 32 50 20600 -49.1 -63.1 18 14.0 -50.6 310 17 527.8 527.8 316.8 528.8 0.16 33 49 20733 -48.7 -62.7 18 14.0 -50.3 312 17 531.8 531.8 317.1 532.9 0.17 34 44 21436 -51.1 -65.1 17 14.0 -52.5 324 20 542.5 542.6 317.7 543.5 0.14 35 34 23120 -48.9 -64.9 14 16.0 -51.1 352 25 589.8 589.9 320.2 591.2 0.18 36 30 23940 -49.7 -65.7 14 16.0 -52.0 5 27 609.1 609.2 321.1 610.6 0.19 37 22 25965 -50.7 -68.7 10 18.0 -53.5 662.7 662.7 323.2 664.1 0.17 TRP 258 9930 -55.3 -61.3 47 6.0 -55.4 255 58 320.9 321.0 289.1 321.1 0.04 WND 377 7437 -40.3 -44.6 64 4.3 -40.6 265 69 307.7 307.8 284.7 308.4 0.19 Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 831.68 mb = 1548.41 m = 5080.03 ft Wetbulb zero: 864.19 mb = 1236.57 m = 4056.93 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 75.93 % Est. max temperature: 13.51 C = 56.32 F Sfc-Lift cond lev (LCL): 920.85 mb = 722.54 m = 2370.52 ft T: 4.67 C 700-500 lapse rate: 6.60 C/km ThetaE index: 1.25 C Layer 747.0- 700.0 mb Conv cond level (CCL): 790.07 mb = 1954.31 m = 6411.70 ft Mean mixing ratio: 4.36 g/kg Conv temperature: 16.99 C = 62.59 F Cap Strength: 6.67 C Lifted Index: 7.32 C Risk: None Lifted Index @300 mb: 13.02 C Lifted Index @700 mb: 4.14 C Showalter Index: 5.91 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.70 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 104.00 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.62 J/kg Max Up Vert Vel: 3.35 m/s Conv Inhibition (B-): 52780.08 J/kg Cap Strength: 7.32 C Lift Cond Lev (LCL): 872.04 mb = 1163.74 m = 3818.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 27 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 ---------------------------------------------------------- 0 994 94 195 3 0.8 2.9 | 132 28 -21.2 18.9 1 925 686 250 17 16.0 5.8 | 165 23 -6.0 21.8 2 850 1370 280 31 30.5 -5.4 | 219 14 8.6 10.6 3 700 2906 280 42 41.4 -7.3 | 246 21 19.4 8.7 4 500 5450 275 42 41.8 -3.7 | 238 23 19.9 12.3 5 400 7030 265 68 67.7 5.9 | 244 51 45.8 21.9 6 377 7437 265 69 68.7 6.0 | 245 52 46.8 22.0 7 300 8960 260 60 59.1 10.4 | 235 46 37.1 26.4 8 258 9930 255 58 56.0 15.0 | 228 46 34.1 31.0 9 250 10130 260 62 61.1 10.8 | 236 47 39.1 26.8 10 200 11580 275 52 51.8 -4.5 | 249 32 29.8 11.5 11 150 13460 300 36 31.2 -18.0 | 282 9 9.2 -2.0 12 100 16100 305 36 29.5 -20.6 | 302 9 7.5 -4.6 13 70 18410 300 29 25.1 -14.5 | 244 3 3.1 1.5 14 50 20600 310 17 13.0 -10.9 | 120 10 -8.9 5.1 15 30 23940 5 27 -2.4 -26.9 | 66 27 -24.3 -10.9 Wind Parameters Mean winds (0-6000m): 276.1 at 36.2 knts Storm direction: 306.1 at 27.2 knts Shear (0-3000m) pos: 5.6 neg: 1.6 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 113.5 deg Storm rel helicity (0-3000m) pos: 223.3 neg: -1.0 tot: 222.3 m^2/s^2 ave: 74.1 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 6.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 114.42 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 ------------------------------------------------------------------------------- 500 241 9 145 25| 13.3 0.0 13.3| 95.2 0.0 95.2 190.4 0.93| 14.4 13.4 1000 254 15 158 22| 12.7 0.0 12.7|158.9 0.0 158.9 158.9 0.88| 14.4 12.7 1500 267 20 172 17| 11.1 0.0 11.1|193.8 0.0 193.8 129.2 0.89| 12.9 11.5 2000 272 23 185 15| 8.4 0.9 9.3|205.2 0.0 205.2 102.6 0.88| 10.6 9.3 2500 274 26 197 15| 6.7 1.5 8.2|216.5 0.0 216.5 86.6 0.86| 9.2 7.9 3000 276 29 207 15| 5.6 1.6 7.2|223.3 -1.0 222.3 74.1 0.84| 8.1 6.8 4000 277 32 219 16| 4.2 1.2 5.4|223.3 -7.8 215.5 53.9 0.79| 6.3 4.9 5000 277 34 225 17| 3.3 1.0 4.3|223.3 -14.8 208.5 41.7 0.74| 5.2 3.8 6000 276 36 229 19| 2.8 1.8 4.6|242.5 -16.9 225.6 37.6 0.64| 5.3 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250416.00.gif