UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 29 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 28 305 9 SFC 992 94 9.0 -8.0 29 17.0 2.5 305 9 282.8 283.2 276.1 288.9 2.10 2 986 144 8.2 -11.8 23 20.0 1.3 305 10 282.5 282.8 275.1 287.1 1.57 3 936 570 5.6 -15.4 20 21.0 -1.0 301 16 284.1 284.3 275.5 287.7 1.23 4 925 666 4.2 -15.8 22 20.0 -2.0 300 17 283.6 283.8 275.2 287.2 1.20 5 884 1032 1.2 -16.8 25 18.0 -4.1 303 17 284.2 284.4 275.5 287.7 1.16 6 850 1345 -2.3 -16.3 33 14.0 -6.3 305 17 283.7 284.0 275.3 287.5 1.26 7 724 2588 -14.5 -19.5 66 5.0 -15.6 309 24 283.7 283.9 275.1 287.0 1.13 8 700 2843 -15.7 -20.4 67 4.7 -16.7 310 25 285.1 285.3 275.8 288.3 1.08 9 696 2886 -15.9 -20.6 67 4.7 -16.9 310 25 285.3 285.5 275.9 288.6 1.06 10 656 3330 -17.1 -28.1 38 11.0 -19.0 312 27 288.9 289.0 277.0 290.7 0.58 11 614 3823 -18.7 -29.7 37 11.0 -20.5 314 29 292.5 292.6 278.7 294.3 0.53 12 500 5320 -28.5 -44.5 20 16.0 -29.8 320 36 298.3 298.3 280.8 298.8 0.15 13 400 6890 -39.7 -57.7 13 18.0 -40.4 305 38 303.4 303.4 282.8 303.5 0.04 14 363 7542 -45.5 -62.5 13 17.0 -45.9 295 38 304.2 304.2 283.1 304.3 0.02 15 300 8790 -52.1 -68.1 13 16.0 -52.3 275 38 311.9 311.9 286.0 312.0 0.01 16 292 8965 -53.3 -69.3 13 16.0 -53.5 240 35 312.6 312.6 286.3 312.7 0.01 17 267 9544 -52.5 -68.5 13 16.0 -52.7 284 51 321.9 321.9 289.3 322.0 0.01 18 253 9893 -53.0 -69.0 13 16.0 -53.2 310 60 326.2 326.2 290.6 326.2 0.01 19 250 9970 -53.1 -69.1 13 16.0 -53.4 295 52 327.1 327.1 290.9 327.2 0.01 20 208 11171 -47.5 -66.5 10 19.0 -48.1 311 44 353.6 353.6 297.4 353.7 0.02 21 200 11430 -47.5 -67.5 8 20.0 -48.1 315 42 357.6 357.6 298.2 357.7 0.02 22 155 13122 -46.3 -72.3 4 26.0 -47.2 253 23 386.6 386.6 303.3 386.7 0.01 23 150 13340 -46.5 -72.5 4 26.0 -47.4 245 21 389.9 389.9 303.8 390.0 0.01 24 109 15466 -45.5 -71.5 4 26.0 -46.8 229 32 429.1 429.1 308.7 429.2 0.02 25 100 16040 -46.7 -72.7 4 26.0 -48.0 225 35 437.5 437.5 309.6 437.6 0.02 26 70 18390 -49.9 -74.9 4 25.0 -51.1 215 25 477.6 477.6 313.2 477.8 0.02 27 50 20580 -51.7 -75.7 4 24.0 -53.1 190 35 521.6 521.6 316.4 521.8 0.03 28 47 20980 -52.7 -76.7 4 24.0 -54.0 192 32 528.6 528.6 316.8 528.7 0.02 29 30 23890 -50.7 -74.7 4 24.0 -53.0 205 13 606.4 606.4 320.9 606.8 0.05 30 20 26530 -50.7 -74.7 4 24.0 -53.9 295 15 681.0 681.0 323.8 681.6 0.08 31 19 26864 -50.9 -74.9 4 24.0 -54.1 690.4 690.5 324.1 691.1 0.08 32 10 31125 -42.1 -69.1 4 27.0 -50.8 862.4 862.6 328.7 866.1 0.35 TRP 292 8965 -53.3 -69.3 13 16.0 -53.5 240 35 312.6 312.6 286.3 312.7 0.01 WND 253 9893 -53.0 -69.0 13 16.0 -53.2 310 60 326.2 326.2 290.6 326.2 0.01 Sounding variables and indices 1000-500 mb thick: 5292.00 m Freezing level: 872.34 mb = 1139.35 m = 3737.98 ft Wetbulb zero: 958.64 mb = 374.37 m = 1228.22 ft Precipitable water: 0.19 inches Sfc-500 mean rel hum: 37.61 % Est. max temperature: 9.95 C = 49.91 F Sfc-Lift cond lev (LCL): 763.75 mb = 2174.17 m = 7133.03 ft T: -10.44 C 700-500 lapse rate: 5.17 C/km ThetaE index: 1.81 C Layer 986.0- 936.0 mb Conv cond level (CCL): 600.86 mb = 3980.44 m = 13059.01 ft Mean mixing ratio: 1.33 g/kg Conv temperature: 19.34 C = 66.81 F Cap Strength: 6.56 C Lifted Index: 9.65 C Risk: None Lifted Index @300 mb: 17.37 C Lifted Index @700 mb: 1.45 C Showalter Index: 9.62 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 26.20 C Cross Totals Index: 12.20 C K Index: 5.20 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.78 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 75194.45 J/kg Cap Strength: 9.65 C Lift Cond Lev (LCL): 690.85 mb = 2941.76 m = 9651.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 19 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 ---------------------------------------------------------- 0 992 94 305 9 7.4 -5.2 | 187 14 1.6 13.4 1 925 666 300 17 14.7 -8.5 | 222 14 9.0 10.1 2 850 1345 305 17 13.9 -9.8 | 223 12 8.2 8.8 3 700 2843 310 25 19.2 -16.1 | 259 14 13.4 2.5 4 500 5320 320 36 23.1 -27.6 | 297 20 17.4 -9.0 5 400 6890 305 38 31.1 -21.8 | 277 26 25.4 -3.2 6 300 8790 275 38 37.9 -3.3 | 245 36 32.1 15.3 7 292 8965 240 35 30.3 17.5 | 214 44 24.6 36.1 8 253 9893 310 60 46.0 -38.6 | 296 45 40.2 -20.0 9 250 9970 295 52 47.1 -22.0 | 275 42 41.4 -3.4 10 200 11430 315 42 29.7 -29.7 | 295 26 23.9 -11.1 11 150 13340 245 21 19.0 8.9 | 206 31 13.3 27.5 12 100 16040 225 35 24.7 24.7 | 204 47 19.0 43.3 13 70 18390 215 25 14.3 20.5 | 192 40 8.6 39.1 14 50 20580 190 35 6.1 34.5 | 180 53 0.3 53.1 15 30 23890 205 13 5.5 11.8 | 180 30 -0.3 30.4 16 20 26530 295 15 13.6 -6.3 | 213 15 7.8 12.3 Wind Parameters Mean winds (0-6000m): 312.8 at 26.0 knts Storm direction: 342.8 at 19.5 knts Shear (0-3000m) pos: 1.8 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 77.1 deg Storm rel helicity (0-3000m) pos: 58.5 neg: 0.0 tot: 58.5 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 25.54 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 ------------------------------------------------------------------------------- 500 302 12 202 13| 0.0 7.3 7.3| 23.7 0.0 23.7 47.4 0.98| 7.3 7.1 1000 302 15 212 13| 0.6 3.6 4.3| 27.6 0.0 27.6 27.6 0.90| 4.6 4.1 1500 303 16 216 13| 1.0 2.4 3.4| 32.2 0.0 32.2 21.5 0.88| 3.7 3.3 2000 304 17 221 12| 1.4 1.8 3.2| 40.9 0.0 40.9 20.5 0.90| 3.5 3.1 2500 305 18 227 12| 1.7 1.5 3.1| 49.8 0.0 49.8 19.9 0.91| 3.3 3.1 3000 306 19 232 12| 1.8 1.2 3.1| 58.5 0.0 58.5 19.5 0.92| 3.2 3.0 4000 309 21 244 12| 2.0 0.9 2.9| 75.9 0.0 75.9 19.0 0.91| 3.0 2.8 5000 311 24 257 12| 2.1 0.7 2.8| 95.2 0.0 95.2 19.0 0.90| 3.0 2.7 6000 313 26 266 13| 1.8 0.9 2.7| 99.3 -21.0 78.4 13.1 0.66| 3.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250429.12.gif