UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U7707... Searching the city database file for: U7707 ... Date:1200Z 20 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 115 SFC 985 239 7.0 2.9 75 4.1 5.1 55 7 281.4 282.2 278.9 294.6 4.78 2 925 751 2.6 0.3 85 2.3 1.6 55 23 282.0 282.7 278.5 293.8 4.22 3 903 945 0.8 -1.0 88 1.8 0.0 55 24 282.1 282.7 278.2 293.1 3.93 4 850 1430 -0.5 -2.9 84 2.4 -1.5 55 27 285.6 286.3 279.6 296.0 3.63 5 778 2132 -4.1 -8.1 74 4.0 -5.5 60 27 289.1 289.5 280.0 296.9 2.67 6 716 2781 -8.9 -12.2 77 3.3 -9.9 64 27 290.7 291.1 280.0 297.0 2.09 7 700 2956 -8.1 -13.1 67 5.0 -9.7 65 27 293.5 293.9 281.1 299.5 1.99 8 628 3789 -12.1 -24.1 36 12.0 -14.8 60 30 298.2 298.4 281.7 301.0 0.87 9 522 5168 -23.3 -36.3 29 13.0 -24.9 52 34 300.9 301.0 282.2 302.0 0.33 10 500 5480 -26.1 -37.1 35 11.0 -27.3 50 35 301.2 301.3 282.3 302.3 0.32 11 464 6017 -29.5 -34.5 62 5.0 -30.1 53 32 303.5 303.6 283.4 305.0 0.44 12 400 7060 -37.5 -44.5 48 7.0 -37.9 60 27 306.3 306.3 284.1 306.9 0.18 13 313 8696 -51.3 -59.3 38 8.0 -51.5 47 30 309.3 309.3 285.1 309.4 0.04 14 300 8970 -52.9 -60.9 37 8.0 -53.1 45 31 310.8 310.8 285.7 310.9 0.04 15 272 9600 -55.3 -63.3 36 8.0 -55.4 45 31 316.1 316.1 287.5 316.2 0.03 16 250 10140 -54.7 -63.7 32 9.0 -54.9 50 31 324.7 324.7 290.2 324.9 0.03 17 228 10728 -55.5 -65.5 28 10.0 -55.6 52 24 332.2 332.2 292.3 332.3 0.03 18 200 11570 -51.9 -63.9 22 12.0 -52.2 55 15 350.6 350.6 296.8 350.7 0.04 19 197 11667 -51.7 -63.7 22 12.0 -52.0 53 15 352.4 352.4 297.2 352.6 0.04 20 150 13420 -52.9 -67.9 15 15.0 -53.3 10 7 378.9 378.9 302.1 379.1 0.03 21 100 16000 -58.7 -73.7 13 15.0 -59.0 295 7 414.3 414.3 307.0 414.4 0.02 22 95 16320 -61.5 -76.5 12 15.0 -61.7 294 8 414.9 414.9 307.1 415.0 0.01 23 70 18220 -59.7 -74.7 12 15.0 -60.1 285 15 456.7 456.7 311.5 456.8 0.02 24 50 20320 -60.7 -75.7 12 15.0 -61.2 280 19 500.4 500.4 315.0 500.6 0.03 25 35 22536 -61.3 -77.3 10 16.0 -61.9 552.6 552.6 318.2 552.8 0.03 TRP 272 9600 -55.3 -63.3 36 8.0 -55.4 45 31 316.1 316.1 287.5 316.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5365.00 m Freezing level: 870.38 mb = 1243.49 m = 4079.65 ft Wetbulb zero: 902.31 mb = 951.19 m = 3120.67 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 59.26 % Est. max temperature: 11.93 C = 53.48 F Sfc-Lift cond lev (LCL): 925.01 mb = 750.89 m = 2463.52 ft T: 2.60 C 700-500 lapse rate: 7.13 C/km ThetaE index: 1.54 C Layer 925.0- 850.0 mb Conv cond level (CCL): 844.94 mb = 1477.39 m = 4847.03 ft Mean mixing ratio: 4.29 g/kg Conv temperature: 11.47 C = 52.65 F Cap Strength: 7.32 C Lifted Index: 7.22 C Risk: None Lifted Index @300 mb: 12.00 C Lifted Index @700 mb: 5.01 C Showalter Index: 5.70 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.20 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 89.00 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.76 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 36938.36 J/kg Cap Strength: 7.31 C Lift Cond Lev (LCL): 895.95 mb = 1007.89 m = 3306.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 86 at 21 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 ---------------------------------------------------------- 0 985 239 55 7 -5.7 -4.0 | 280 16 15.5 -2.7 1 925 751 55 23 -18.8 -13.2 | 349 12 2.4 -11.9 2 850 1430 55 27 -22.1 -15.5 | 4 14 -0.9 -14.2 3 700 2956 65 27 -24.5 -11.4 | 18 11 -3.3 -10.1 4 500 5480 50 35 -26.8 -22.5 | 15 22 -5.6 -21.2 5 400 7060 60 27 -23.4 -13.5 | 10 12 -2.2 -12.2 6 300 8970 45 31 -21.9 -21.9 | 2 21 -0.7 -20.6 7 272 9600 45 31 -21.9 -21.9 | 2 21 -0.7 -20.6 8 250 10140 50 31 -23.7 -19.9 | 8 19 -2.5 -18.6 9 200 11570 55 15 -12.3 -8.6 | 309 12 8.9 -7.3 10 150 13420 10 7 -1.2 -6.9 | 286 21 20.0 -5.6 11 100 16000 295 7 6.3 -3.0 | 273 28 27.6 -1.7 12 70 18220 285 15 14.5 -3.9 | 274 36 35.7 -2.6 13 50 20320 280 19 18.7 -3.3 | 273 40 39.9 -2.0 Wind Parameters Mean winds (0-6000m): 56.5 at 28.3 knts Storm direction: 86.5 at 21.2 knts Shear (0-3000m) pos: 0.7 neg: 3.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 69.0 neg: 0.0 tot: 69.0 m^2/s^2 ave: 23.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 24.23 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 55 15 308 12| 0.0 16.1 16.1| 45.9 0.0 45.9 91.8 0.91| 16.1 14.7 1000 55 20 333 11| 0.0 9.7 9.7| 55.4 0.0 55.4 55.4 0.90| 9.7 8.8 1500 55 22 344 12| 0.5 6.5 7.0| 60.9 0.0 60.9 40.6 0.89| 7.2 6.4 2000 56 23 351 12| 0.7 4.9 5.5| 64.3 0.0 64.3 32.1 0.87| 5.8 5.0 2500 58 24 355 12| 0.8 3.9 4.7| 67.4 0.0 67.4 27.0 0.86| 5.0 4.2 3000 59 25 359 11| 0.7 3.4 4.1| 69.0 0.0 69.0 23.0 0.82| 4.4 3.6 4000 59 26 4 12| 0.5 3.0 3.5| 69.1 -0.7 68.4 17.1 0.69| 3.9 2.7 5000 58 27 8 13| 0.4 2.8 3.2| 69.1 -4.4 64.7 12.9 0.58| 3.6 2.1 6000 56 28 10 15| 0.6 2.3 2.9| 69.1 -6.6 62.5 10.4 0.49| 3.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20251020.12.gif