UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 15 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 ------------------------------------------------------------------------------- SFC 1000 94 12.2 -5.8 28 18.0 4.8 270 17 285.4 285.8 277.9 292.5 2.47 1 925 739 6.2 -7.8 36 14.0 0.8 260 25 285.6 286.0 277.8 292.3 2.29 2 886 1090 2.8 -8.2 44 11.0 -1.3 268 32 285.7 286.1 277.9 292.4 2.32 3 850 1426 3.2 -3.8 60 7.0 0.2 275 38 289.5 290.1 281.1 299.4 3.39 4 839 1531 3.0 -3.0 65 6.0 0.4 277 38 290.4 291.0 281.8 301.0 3.65 5 726 2686 -4.7 -7.0 84 2.3 -5.6 303 32 294.2 294.8 282.8 303.5 3.11 6 700 2972 -6.3 -8.7 83 2.4 -7.2 310 31 295.5 296.0 283.0 304.0 2.83 7 685 3141 -6.3 -8.7 83 2.4 -7.2 310 31 297.3 297.9 283.8 306.1 2.89 8 541 4933 -20.1 -24.6 67 4.5 -21.0 310 35 301.7 301.8 283.3 304.8 0.96 9 528 5112 -22.5 -29.5 53 7.0 -23.7 310 35 300.9 301.0 282.5 303.0 0.63 10 503 5467 -24.3 -37.3 29 13.0 -25.9 310 36 302.9 302.9 283.0 304.0 0.31 11 500 5510 -24.7 -37.7 29 13.0 -26.2 310 36 302.9 303.0 283.0 304.0 0.30 12 463 6066 -28.1 -45.1 18 17.0 -29.6 310 38 305.4 305.4 283.8 306.0 0.15 13 400 7100 -35.9 -52.9 16 17.0 -36.8 310 42 308.3 308.3 284.8 308.6 0.07 14 300 9030 -51.9 -65.9 17 14.0 -52.1 310 50 312.2 312.2 286.1 312.3 0.02 15 293 9183 -53.1 -67.1 17 14.0 -53.3 309 51 312.6 312.6 286.3 312.7 0.02 16 254 10090 -59.3 -73.3 15 14.0 -59.4 305 56 316.5 316.5 287.6 316.5 0.01 17 250 10190 -58.9 -72.9 15 14.0 -59.0 305 56 318.5 318.5 288.3 318.5 0.01 18 236 10552 -59.5 -73.5 15 14.0 -59.6 305 59 322.9 322.9 289.6 322.9 0.01 19 234 10606 -58.8 -72.9 15 14.1 -58.9 305 60 324.7 324.7 290.2 324.7 0.01 20 213 11209 -51.3 -66.3 15 15.0 -51.7 296 54 345.3 345.3 295.6 345.4 0.02 21 200 11620 -50.3 -65.3 15 15.0 -50.7 290 50 353.1 353.1 297.3 353.2 0.03 22 180 12314 -46.3 -63.3 13 17.0 -47.0 295 40 370.5 370.5 300.7 370.6 0.04 23 150 13510 -52.5 -71.5 8 19.0 -52.9 305 23 379.6 379.6 302.2 379.7 0.02 24 139 13998 -54.7 -73.7 8 19.0 -55.1 301 25 384.1 384.1 302.9 384.2 0.01 25 131 14376 -55.1 -75.1 7 20.0 -55.5 298 26 390.0 390.0 303.8 390.0 0.01 26 120 14936 -53.5 -73.5 7 20.0 -54.0 294 27 402.8 402.8 305.6 402.9 0.02 27 102 15990 -48.7 -70.7 6 22.0 -49.7 286 31 431.2 431.2 309.0 431.3 0.03 28 100 16120 -49.1 -71.1 6 22.0 -50.1 285 31 432.9 432.9 309.1 433.0 0.03 29 85 17172 -53.7 -75.7 5 22.0 -54.4 285 27 444.1 444.1 310.3 444.2 0.02 30 83 17325 -53.9 -75.9 5 22.0 -54.6 285 27 446.8 446.8 310.6 446.9 0.02 31 78 17726 -50.3 -73.3 5 23.0 -51.4 285 25 462.2 462.3 312.0 462.4 0.02 32 70 18430 -50.5 -74.5 4 24.0 -51.7 285 23 476.3 476.4 313.2 476.5 0.02 33 58 19650 -53.5 -77.5 4 24.0 -54.5 307 15 495.9 495.9 314.7 496.0 0.02 34 50 20610 -51.5 -75.5 4 24.0 -52.9 325 9 522.1 522.1 316.4 522.3 0.03 35 43 21594 -48.9 -73.9 4 25.0 -51.0 340 10 551.5 551.5 318.2 551.8 0.04 36 30 23950 -50.3 -74.3 4 24.0 -52.7 15 13 607.5 607.5 321.0 607.9 0.05 37 20 26600 -49.7 -65.7 14 16.0 -52.8 684.0 684.2 324.0 686.4 0.28 TRP 254 10090 -59.3 -73.3 15 14.0 -59.4 305 56 316.5 316.5 287.6 316.5 0.01 WND 234 10606 -58.8 -72.9 15 14.1 -58.9 305 60 324.7 324.7 290.2 324.7 0.01 Sounding variables and indices 1000-500 mb thick: 5415.76 m Freezing level: 794.97 mb = 1981.26 m = 6500.11 ft Wetbulb zero: 909.47 mb = 876.96 m = 2877.12 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 63.67 % Est. max temperature: 16.35 C = 61.43 F Sfc-Lift cond lev (LCL): 759.78 mb = 2322.98 m = 7621.24 ft T: -2.28 C 700-500 lapse rate: 7.25 C/km ThetaE index: 0.20 C Layer 925.0- 886.0 mb Conv cond level (CCL): 615.11 mb = 3958.28 m = 12986.33 ft Mean mixing ratio: 2.36 g/kg Conv temperature: 26.26 C = 79.26 F Cap Strength: 9.72 C Lifted Index: 9.73 C Risk: None Lifted Index @300 mb: 14.06 C Lifted Index @700 mb: 7.74 C Showalter Index: 4.69 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 20.90 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 112.00 Risk: None Energy Index: 0.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.95 J/kg Max Up Vert Vel: 1.38 m/s Conv Inhibition (B-): 56013.41 J/kg Cap Strength: 9.73 C Lift Cond Lev (LCL): 750.41 mb = 2421.97 m = 7946.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 24 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 1000 94 270 17 17.0 -0.0 | 191 21 4.0 20.7 1 1000 94 270 17 17.0 -0.0 | 191 21 4.0 20.7 2 925 739 260 25 24.6 4.3 | 205 28 11.6 25.1 3 850 1426 275 38 37.9 -3.3 | 235 30 24.8 17.4 4 700 2972 310 31 23.7 -19.9 | 266 11 10.7 0.8 5 500 5510 310 36 27.6 -23.1 | 279 15 14.5 -2.4 6 400 7100 310 42 32.2 -27.0 | 288 20 19.1 -6.3 7 300 9030 310 50 38.3 -32.1 | 294 28 25.3 -11.4 8 254 10090 305 56 45.9 -32.1 | 289 35 32.8 -11.4 9 250 10190 305 56 45.9 -32.1 | 289 35 32.8 -11.4 10 234 10606 305 60 49.1 -34.4 | 291 39 36.1 -13.7 11 200 11620 290 50 47.0 -17.1 | 264 34 34.0 3.6 12 150 13510 305 23 18.8 -13.2 | 218 10 5.8 7.5 13 100 16120 285 31 29.9 -8.0 | 233 21 16.9 12.7 14 70 18430 285 23 22.2 -6.0 | 212 17 9.2 14.8 15 50 20610 325 9 5.2 -7.4 | 149 15 -7.9 13.3 16 30 23950 15 13 -3.4 -12.6 | 116 18 -16.4 8.2 Wind Parameters Mean winds (0-6000m): 297.8 at 32.6 knts Storm direction: 327.8 at 24.5 knts Shear (0-3000m) pos: 4.0 neg: 1.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 75.8 deg Storm rel helicity (0-3000m) pos: 210.4 neg: 0.0 tot: 210.4 m^2/s^2 ave: 70.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 48.32 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 ------------------------------------------------------------------------------- 500 265 20 197 23| 0.0 7.0 7.0| 29.1 0.0 29.1 58.1 0.70| 7.0 4.9 1000 264 24 204 25| 4.6 3.5 8.1| 93.0 0.0 93.0 93.0 0.82| 8.4 6.9 1500 269 28 214 26| 5.6 2.3 7.9|162.4 0.0 162.4 108.3 0.85| 9.0 7.7 2000 273 30 221 25| 4.7 1.7 6.4|187.0 0.0 187.0 93.5 0.77| 8.7 6.7 2500 278 31 226 24| 4.3 1.4 5.7|202.5 0.0 202.5 81.0 0.71| 8.4 6.0 3000 282 31 231 22| 4.0 1.2 5.1|210.4 0.0 210.4 70.1 0.68| 7.9 5.4 4000 290 31 238 19| 3.0 1.0 4.0|214.3 0.0 214.3 53.6 0.68| 6.2 4.2 5000 295 32 245 18| 2.4 0.9 3.3|218.2 0.0 218.2 43.6 0.68| 5.1 3.5 6000 298 33 251 17| 2.0 1.0 3.0|224.2 0.0 224.2 37.4 0.67| 4.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250415.12.gif