UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U7707... Searching the city database file for: U7707 ... Date:0000Z 21 OCT 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 111 SFC 985 234 5.0 3.3 89 1.7 4.2 25 5 279.4 280.2 278.1 292.9 4.92 2 949 537 2.0 1.1 94 0.9 1.6 16 13 279.3 280.0 277.3 291.3 4.36 3 925 743 0.4 -0.2 96 0.6 0.1 10 19 279.7 280.4 277.2 291.0 4.07 4 889 1061 -0.5 -1.2 95 0.7 -0.8 19 20 282.0 282.7 278.2 293.0 3.94 5 856 1363 -1.1 -1.8 95 0.7 -1.4 28 21 284.4 285.1 279.3 295.5 3.91 6 850 1419 -1.1 -1.8 95 0.7 -1.4 30 21 285.0 285.7 279.6 296.2 3.94 7 821 1695 -2.9 -3.6 95 0.7 -3.2 30 21 285.9 286.6 279.6 296.1 3.57 8 700 2943 -8.7 -9.5 94 0.8 -9.0 30 23 292.9 293.3 281.7 300.8 2.66 9 658 3420 -11.1 -12.8 87 1.7 -11.6 29 22 295.4 295.8 282.2 302.0 2.17 10 500 5470 -25.3 -28.7 73 3.4 -25.8 25 19 302.2 302.3 283.2 304.6 0.72 11 482 5735 -27.1 -33.1 57 6.0 -27.9 25 20 303.2 303.3 283.3 304.8 0.49 12 400 7050 -38.1 -44.1 53 6.0 -38.5 25 27 305.5 305.5 283.8 306.1 0.19 13 368 7619 -42.5 -49.5 46 7.0 -42.8 25 35 307.0 307.0 284.3 307.4 0.11 14 300 8980 -49.3 -57.3 39 8.0 -49.5 25 56 315.9 315.9 287.5 316.1 0.06 15 269 9688 -53.5 -61.5 37 8.0 -53.7 319.8 319.8 288.7 319.9 0.04 TRP WND Sounding variables and indices 1000-500 mb thick: 5359.00 m Freezing level: 909.00 mb = 884.27 m = 2901.11 ft Wetbulb zero: 919.74 mb = 788.66 m = 2587.42 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 88.27 % Est. max temperature: 11.09 C = 51.97 F Sfc-Lift cond lev (LCL): 959.50 mb = 447.37 m = 1467.74 ft T: 2.89 C 700-500 lapse rate: 6.57 C/km ThetaE index: 1.87 C Layer 949.0- 889.0 mb Conv cond level (CCL): 925.94 mb = 734.84 m = 2410.88 ft Mean mixing ratio: 4.27 g/kg Conv temperature: 5.35 C = 41.62 F Cap Strength: 6.87 C Lifted Index: 9.51 C Risk: None Lifted Index @300 mb: 17.04 C Lifted Index @700 mb: 5.69 C Showalter Index: 6.38 C Risk: None Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 23.50 C K Index: 21.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.90 J/kg Max Up Vert Vel: 4.88 m/s Conv Inhibition (B-): 3287.27 J/kg Cap Strength: 9.49 C Lift Cond Lev (LCL): 920.94 mb = 778.26 m = 2553.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 57 at 15 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 ---------------------------------------------------------- 0 985 234 25 5 -2.1 -4.5 | 250 11 10.7 3.9 1 925 743 10 19 -3.3 -18.7 | 317 14 9.5 -10.3 2 850 1419 30 21 -10.5 -18.2 | 347 10 2.3 -9.7 3 700 2943 30 23 -11.5 -19.9 | 354 12 1.3 -11.5 4 500 5470 25 19 -8.0 -17.2 | 332 10 4.7 -8.8 5 400 7050 25 27 -11.4 -24.5 | 355 16 1.4 -16.0 6 300 8980 25 56 -23.7 -50.8 | 14 44 -10.9 -42.3 Wind Parameters Mean winds (0-6000m): 26.5 at 20.4 knts Storm direction: 56.5 at 15.3 knts Shear (0-3000m) pos: 1.3 neg: 2.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 57.0 neg: -1.4 tot: 55.6 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 11.36 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 13 12 287 11| 0.0 14.4 14.4| 33.8 0.0 33.8 67.6 0.86| 14.6 12.6 1000 16 16 309 11| 2.7 7.2 9.8| 48.4 0.0 48.4 48.4 0.86| 10.0 8.6 1500 21 18 321 10| 2.5 4.8 7.3| 54.1 0.0 54.1 36.1 0.86| 7.5 6.4 2000 24 19 328 10| 1.9 3.8 5.6| 55.3 0.0 55.3 27.7 0.85| 5.8 4.9 2500 25 19 334 10| 1.5 3.1 4.6| 56.5 0.0 56.5 22.6 0.84| 4.8 4.0 3000 26 20 337 10| 1.3 2.6 3.9| 57.0 -1.4 55.6 18.5 0.81| 4.1 3.3 4000 27 20 340 10| 0.9 1.8 2.7| 57.0 -6.0 50.9 12.7 0.69| 3.3 2.3 5000 27 20 340 10| 0.8 1.3 2.1| 57.0 -10.5 46.4 9.3 0.58| 2.8 1.6 6000 27 20 340 10| 0.6 1.4 2.0| 65.0 -11.4 53.6 8.9 0.58| 2.7 1.6 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20251021.00.gif