UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 31 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 ------------------------------------------------------------------------------- 0 1000 74 25 1 SFC 998 90 2.4 2.4 100 0.0 2.4 25 1 275.7 276.5 275.6 288.1 4.55 2 925 698 -1.5 -2.3 94 0.8 -1.8 350 5 277.8 278.4 275.3 287.4 3.49 3 850 1368 -5.1 -6.4 91 1.3 -5.5 320 11 280.8 281.3 276.0 288.7 2.78 4 700 2864 -15.3 -16.6 90 1.3 -15.6 280 7 285.5 285.8 276.6 290.0 1.49 5 675 3138 -17.3 -18.4 91 1.1 -17.6 275 9 286.3 286.5 276.8 290.3 1.33 6 594 4086 -22.1 -23.7 87 1.6 -22.4 258 14 291.4 291.5 278.8 294.3 0.95 7 540 4779 -27.7 -29.3 86 1.6 -27.9 245 18 292.8 292.9 279.0 294.8 0.63 8 500 5330 -29.9 -31.6 85 1.7 -30.1 235 21 296.6 296.7 280.6 298.4 0.54 9 400 6880 -41.5 -44.4 73 2.9 -41.6 250 19 301.1 301.1 282.0 301.7 0.18 10 317 8422 -51.5 -55.0 66 3.5 -51.6 265 19 307.9 307.9 284.6 308.1 0.07 11 300 8780 -51.1 -54.8 65 3.7 -51.2 265 19 313.3 313.3 286.6 313.6 0.07 12 272 9418 -51.7 -55.9 61 4.2 -51.8 254 20 321.4 321.4 289.2 321.6 0.07 13 258 9764 -49.7 -54.2 59 4.5 -49.8 248 21 329.2 329.2 291.6 329.6 0.09 14 250 9970 -50.5 -54.9 60 4.4 -50.7 245 21 331.0 331.0 292.1 331.3 0.09 15 200 11420 -51.5 -57.5 49 6.0 -51.7 240 21 351.2 351.2 297.0 351.6 0.08 16 150 13280 -52.7 -60.7 37 8.0 -53.0 250 27 379.3 379.3 302.2 379.6 0.07 17 141 13679 -53.1 -62.1 33 9.0 -53.4 253 28 385.3 385.4 303.1 385.6 0.06 18 116 14929 -56.3 -65.3 31 9.0 -56.6 263 30 401.5 401.5 305.5 401.8 0.05 19 100 15870 -57.1 -67.1 27 10.0 -57.4 270 31 417.4 417.4 307.4 417.6 0.05 20 79 17351 -59.1 -70.1 23 11.0 -59.4 263 30 442.4 442.4 310.1 442.6 0.04 21 70 18100 -63.1 -74.1 21 11.0 -63.3 260 29 449.4 449.4 310.8 449.5 0.02 22 62 18846 -64.5 -75.5 21 11.0 -64.7 264 30 462.2 462.2 312.0 462.3 0.02 23 50 20160 -65.5 -76.5 20 11.0 -65.7 270 33 489.1 489.1 314.2 489.3 0.02 24 30 23240 -69.1 -80.1 19 11.0 -69.4 275 40 556.3 556.3 318.5 556.4 0.02 25 23 24823 -70.5 -81.5 18 11.0 -70.8 596.1 596.1 320.5 596.2 0.02 TRP 317 8422 -51.5 -55.0 66 3.5 -51.6 265 19 307.9 307.9 284.6 308.1 0.07 WND Sounding variables and indices 1000-500 mb thick: 5256.00 m Freezing level: 953.08 mb = 464.21 m = 1522.97 ft Wetbulb zero: 956.09 mb = 433.46 m = 1422.10 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 89.98 % Est. max temperature: 7.55 C = 45.59 F Sfc-Lift cond lev (LCL): 997.85 mb = 91.33 m = 299.62 ft T: 2.39 C 700-500 lapse rate: 5.92 C/km ThetaE index: 0.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 936.55 mb = 598.71 m = 1964.24 ft Mean mixing ratio: 3.83 g/kg Conv temperature: 4.13 C = 39.44 F Cap Strength: 5.39 C Lifted Index: 8.05 C Risk: None Lifted Index @300 mb: 18.20 C Lifted Index @700 mb: 1.85 C Showalter Index: 7.32 C Risk: None Total Totals Index: 48.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 23.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 43.00 Risk: None Energy Index: 1.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.27 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 41747.43 J/kg Cap Strength: 8.06 C Lift Cond Lev (LCL): 940.15 mb = 568.00 m = 1863.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 9 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 25 1 -0.4 -0.9 | 105 9 -8.8 2.3 1 925 698 350 5 0.9 -4.9 | 77 8 -7.5 -1.7 2 850 1368 320 11 7.1 -8.4 | 14 5 -1.3 -5.2 3 700 2864 280 7 6.9 -1.2 | 144 2 -1.5 2.0 4 500 5330 235 21 17.2 12.0 | 210 18 8.8 15.2 5 400 6880 250 19 17.9 6.5 | 224 14 9.5 9.7 6 317 8422 265 19 18.9 1.7 | 245 12 10.6 4.9 7 300 8780 265 19 18.9 1.7 | 245 12 10.6 4.9 8 250 9970 245 21 19.0 8.9 | 221 16 10.7 12.1 9 200 11420 240 21 18.2 10.5 | 216 17 9.8 13.7 10 150 13280 250 27 25.4 9.2 | 234 21 17.0 12.4 11 100 15870 270 31 31.0 -0.0 | 262 23 22.6 3.2 12 70 18100 260 29 28.6 5.0 | 248 22 20.2 8.2 13 50 20160 270 33 33.0 -0.0 | 263 25 24.6 3.2 14 30 23240 275 40 39.8 -3.5 | 271 31 31.5 -0.3 Wind Parameters Mean winds (0-6000m): 261.0 at 11.9 knts Storm direction: 291.0 at 9.0 knts Shear (0-3000m) pos: 0.0 neg: 1.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 1.6 neg: -21.3 tot: -19.7 m^2/s^2 ave: -6.6 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 3.5 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.55 Bulk Shear: 20.59 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 ------------------------------------------------------------------------------- 500 357 3 94 8| 0.0 3.5 3.5| 0.0 -7.9 -7.9 -15.8 -0.95| 3.7 -3.5 1000 346 4 81 7| 0.0 4.1 4.1| 0.0 -16.4 -16.4 -16.4 -0.93| 4.4 -4.1 1500 331 6 66 6| 0.0 3.5 3.5| 0.0 -21.3 -21.3 -14.2 -0.87| 4.4 -3.9 2000 323 7 58 5| 0.0 2.3 2.3| 0.2 -21.3 -21.1 -10.6 -0.70| 4.0 -2.8 2500 318 7 55 4| 0.0 1.6 1.6| 0.6 -21.3 -20.7 -8.3 -0.51| 3.7 -1.9 3000 312 7 57 3| 0.0 1.5 1.5| 1.6 -21.3 -19.7 -6.6 -0.36| 3.5 -1.3 4000 296 8 61 1| 0.0 1.9 1.9| 4.0 -21.3 -17.3 -4.3 -0.18| 3.5 -0.6 5000 274 10 216 3| 0.0 2.1 2.1| 4.0 -27.0 -23.0 -4.6 -0.19| 3.6 -0.7 6000 261 12 214 6| 0.2 1.8 2.0| 12.0 -29.9 -17.9 -3.0 -0.14| 3.4 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251031.12.gif