UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 29 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 -2 SFC 987 105 6.6 3.2 79 3.4 5.0 250 3 280.8 281.6 278.7 294.3 4.88 2 970 248 4.4 1.1 79 3.3 2.9 280.0 280.7 277.6 291.8 4.27 3 925 633 1.8 -1.4 79 3.2 0.4 270 9 281.1 281.8 277.4 291.6 3.73 4 850 1310 -2.7 -5.9 79 3.2 -3.9 260 7 283.3 283.8 277.4 291.6 2.89 5 833 1470 -3.9 -6.9 80 3.0 -5.0 283.7 284.2 277.4 291.5 2.73 6 817 1623 -3.3 -6.1 81 2.8 -4.4 285.9 286.4 278.9 294.5 2.96 7 794 1848 -3.7 -8.7 68 5.0 -5.5 287.8 288.3 279.1 295.1 2.49 8 778 2009 -4.5 -12.5 54 8.0 -7.1 288.6 289.0 278.7 294.2 1.88 9 700 2830 -10.7 -14.3 75 3.6 -11.8 275 13 290.6 291.0 279.6 296.1 1.80 10 699 2841 -10.7 -14.3 75 3.6 -11.8 290.8 291.1 279.6 296.2 1.81 11 500 5320 -29.7 -34.3 64 4.6 -30.2 280 17 296.8 296.9 280.6 298.2 0.42 12 400 6870 -41.3 -47.3 52 6.0 -41.6 285 9 301.3 301.3 282.1 301.8 0.13 13 300 8770 -55.1 -61.1 47 6.0 -55.2 340 5 307.7 307.7 284.5 307.8 0.03 14 276 9296 -58.9 -64.9 46 6.0 -59.0 25 5 309.6 309.6 285.2 309.7 0.02 15 265 9551 -58.1 -64.1 46 6.0 -58.2 314.4 314.4 286.9 314.5 0.03 16 250 9920 -54.5 -60.5 47 6.0 -54.6 345 5 325.0 325.1 290.3 325.2 0.04 17 248 9972 -54.1 -60.1 48 6.0 -54.2 326.4 326.4 290.7 326.6 0.05 18 200 11360 -52.5 -61.5 33 9.0 -52.8 260 7 349.6 349.6 296.6 349.8 0.05 19 171 12372 -51.3 -64.3 20 13.0 -51.7 367.6 367.6 300.2 367.8 0.04 20 150 13220 -52.3 -68.3 13 16.0 -52.7 260 13 380.0 380.0 302.3 380.1 0.03 21 100 15820 -55.1 -75.1 7 20.0 -55.6 260 17 421.3 421.3 307.9 421.3 0.01 22 70 18080 -59.3 -81.3 4 22.0 -59.7 260 21 457.5 457.5 311.5 457.6 0.01 23 50 20170 -64.3 -86.3 3 22.0 -64.6 260 27 492.0 492.0 314.4 492.0 0.00 24 49 20294 -64.3 -86.3 3 22.0 -64.6 494.8 494.8 314.6 494.8 0.00 25 33 22704 -67.3 -88.3 4 21.0 -67.7 546.1 546.1 317.9 546.1 0.00 26 30 23280 -67.5 -88.5 4 21.0 -67.8 265 33 560.6 560.6 318.7 560.7 0.01 27 20 25710 -69.3 -89.3 4 20.0 -69.7 270 38 624.0 624.0 321.6 624.1 0.01 28 10 29820 -69.7 -89.7 4 20.0 -70.4 260 54 759.4 759.4 326.2 759.5 0.01 29 9.6 30064 -68.9 -89.9 3 21.0 -69.8 771.3 771.3 326.5 771.4 0.01 30 6.4 32495 -67.9 -88.9 3 21.0 -69.2 870.4 870.4 328.8 870.6 0.02 TRP 276 9296 -58.9 -64.9 46 6.0 -59.0 25 5 309.6 309.6 285.2 309.7 0.02 WND 6.0 260 69 Sounding variables and indices 1000-500 mb thick: 5322.00 m Freezing level: 895.00 mb = 903.80 m = 2965.19 ft Wetbulb zero: 917.56 mb = 697.63 m = 2288.79 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 71.33 % Est. max temperature: 9.40 C = 48.91 F Sfc-Lift cond lev (LCL): 936.84 mb = 529.82 m = 1738.22 ft T: 2.50 C 700-500 lapse rate: 7.63 C/km ThetaE index: 2.75 C Layer 970.0- 817.0 mb Conv cond level (CCL): 866.11 mb = 1159.65 m = 3804.57 ft Mean mixing ratio: 3.90 g/kg Conv temperature: 8.64 C = 47.54 F Cap Strength: 3.98 C Lifted Index: 5.14 C Risk: None Lifted Index @300 mb: 11.27 C Lifted Index @700 mb: 3.69 C Showalter Index: 5.32 C Risk: None Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 23.80 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 67.00 Risk: None Energy Index: 1.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.55 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 61829.29 J/kg Cap Strength: 5.10 C Lift Cond Lev (LCL): 890.65 mb = 935.98 m = 3070.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 6 40933 260 69 68.0 12.0 1 987 105 250 3 2.8 1.0 2 925 633 270 9 9.0 -0.0 3 850 1310 260 7 6.9 1.2 4 700 2830 275 13 13.0 -1.1 5 500 5320 280 17 16.7 -3.0 6 400 6870 285 9 8.7 -2.3 7 300 8770 340 5 1.7 -4.7 8 276 9296 25 5 -2.1 -4.5 9 250 9920 345 5 1.3 -4.8 10 200 11360 260 7 6.9 1.2 11 150 13220 260 13 12.8 2.3 12 100 15820 260 17 16.7 3.0 13 70 18080 260 21 20.7 3.6 14 50 20170 260 27 26.6 4.7 15 30 23280 265 33 32.9 2.9 16 20 25710 270 38 38.0 -0.0 17 10 29820 260 54 53.2 9.4 Wind Parameters Energy-Hel index: -0.53 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251029.12.gif