UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052812.upa.cvt Date: 1200Z 28 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 28 MAY 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 129 SFC 987 244 26.0 8.0 32 18.0 15.3 180 7 300.3 301.5 288.9 320.5 6.83 2 972 378 23.0 3.0 27 20.0 12.1 174 10 298.6 299.5 286.4 313.1 4.88 3 925 806 18.6 2.6 34 16.0 10.0 155 19 298.3 299.2 286.4 313.2 4.99 4 850 1521 11.0 -1.0 43 12.0 5.1 150 17 297.7 298.4 285.4 310.1 4.18 5 717 2906 -1.9 -5.2 78 3.3 -3.3 154 31 298.3 299.0 285.0 309.2 3.62 6 715 2928 -2.5 -6.1 76 3.6 -4.0 154 31 297.9 298.5 284.6 308.1 3.39 7 700 3096 -2.9 -6.9 74 4.0 -4.6 155 33 299.3 299.9 285.0 309.2 3.25 8 697 3130 -3.7 -8.4 70 4.7 -5.5 155 33 298.8 299.3 284.4 307.6 2.91 9 680 3325 -1.9 -10.9 50 9.0 -5.3 155 32 302.9 303.3 285.5 310.5 2.45 10 669 3455 -2.7 -13.7 42 11.0 -6.5 155 31 303.4 303.8 285.2 309.7 1.98 11 614 4132 -4.7 -11.7 58 7.0 -7.4 155 28 308.6 309.1 287.6 316.7 2.54 12 558 4875 -10.5 -16.5 61 6.0 -12.4 155 25 310.3 310.7 287.6 316.5 1.89 13 535 5198 -12.3 -19.3 56 7.0 -14.3 155 23 311.9 312.2 287.8 317.1 1.55 14 519 5429 -14.7 -35.7 15 21.0 -18.3 155 22 311.8 311.8 286.4 313.0 0.35 15 500 5710 -16.3 -32.3 24 16.0 -19.3 155 21 313.2 313.3 287.1 314.9 0.51 16 400 7350 -28.3 -37.3 42 9.0 -29.5 190 29 318.2 318.3 288.6 319.6 0.39 17 393 7476 -29.9 -38.9 41 9.0 -30.9 189 29 317.7 317.8 288.4 318.9 0.34 18 324 8821 -40.3 -48.3 42 8.0 -40.8 183 26 321.4 321.4 289.3 322.0 0.15 19 300 9340 -45.7 -53.7 40 8.0 -46.0 180 25 320.9 321.0 289.1 321.3 0.09 20 290 9565 -47.9 -55.9 39 8.0 -48.1 177 25 320.9 320.9 289.1 321.2 0.07 21 256 10378 -53.5 -62.5 33 9.0 -53.7 167 25 324.3 324.3 290.1 324.5 0.03 22 250 10530 -54.9 -63.9 32 9.0 -55.1 165 25 324.4 324.5 290.2 324.6 0.03 23 243 10711 -57.3 -66.3 31 9.0 -57.4 323.5 323.5 289.9 323.6 0.02 24 210 11628 -59.9 -69.9 26 10.0 -60.0 333.2 333.2 292.6 333.3 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5581.00 m Freezing level: 736.59 mb = 2701.82 m = 8864.15 ft Wetbulb zero: 769.33 mb = 2332.46 m = 7652.33 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 50.31 % Est. max temperature: 23.49 C = 74.29 F Sfc-Lift cond lev (LCL): 757.27 mb = 2461.04 m = 8074.18 ft T: 2.24 C 700-500 lapse rate: 5.13 C/km ThetaE index: 7.42 C Layer 972.0- 925.0 mb Conv cond level (CCL): 728.69 mb = 2774.18 m = 9101.52 ft Mean mixing ratio: 5.01 g/kg Conv temperature: 24.03 C = 75.25 F Cap Strength: 4.36 C Lifted Index: 3.95 C Risk: None Lifted Index @300 mb: 5.67 C Lifted Index @700 mb: -0.40 C Showalter Index: 5.92 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 15.30 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 55.00 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.59 J/kg Max Up Vert Vel: 9.01 m/s Conv Inhibition (B-): 4.12 J/kg Cap Strength: 4.23 C Lift Cond Lev (LCL): 726.68 mb = 2796.68 m = 9175.33 ft Lev Free Conv (LFC): 721.68 mb = 2852.86 m = 9359.67 ft Equ Level (EL): 681.68 mb = 3305.89 m = 10845.96 ft B at Equ Level: 34.65 J/kg Max Parcel Lev (MPL): 641.68 mb = 3783.70 m = 12413.56 ft Wind level data Storm motion: 185 at 18 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 ---------------------------------------------------------- 0 987 244 180 7 0.0 7.0 | 8 11 -1.6 -10.8 1 925 806 155 19 -8.0 17.2 | 87 10 -9.6 -0.6 2 850 1521 150 17 -8.5 14.7 | 73 11 -10.1 -3.1 3 700 3096 155 33 -13.9 29.9 | 128 20 -15.6 12.1 4 500 5710 155 21 -8.9 19.0 | 97 11 -10.5 1.2 5 400 7350 190 29 5.0 28.6 | 198 11 3.4 10.8 6 300 9340 180 25 0.0 25.0 | 167 7 -1.6 7.2 7 250 10530 165 25 -6.5 24.1 | 128 10 -8.1 6.4 Wind Parameters Mean winds (0-6000m): 155.2 at 23.8 knts Storm direction: 185.2 at 17.9 knts Shear (0-3000m) pos: 2.3 neg: 2.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 118.5 deg Storm rel helicity (0-3000m) pos: 67.0 neg: -6.4 tot: 60.5 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.23 Bulk Shear: 18.19 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 ------------------------------------------------------------------------------- 500 163 12 41 8| 0.0 11.8 11.8| 19.0 0.0 19.0 38.1 0.81| 12.1 9.8 1000 157 15 64 8| 0.0 6.2 6.2| 21.2 -3.5 17.6 17.6 0.61| 7.6 4.7 1500 155 16 70 9| 0.0 4.7 4.7| 26.8 -5.4 21.5 14.3 0.59| 6.1 3.6 2000 154 18 78 10| 1.3 3.5 4.8| 41.2 -5.4 35.9 17.9 0.65| 5.9 3.8 2500 154 19 88 10| 2.1 2.8 4.9| 56.3 -5.4 51.0 20.4 0.67| 5.7 3.8 3000 154 22 98 11| 2.3 2.3 4.6| 67.0 -6.4 60.5 20.2 0.65| 5.5 3.5 4000 154 24 107 12| 1.7 1.2 2.9| 67.0 -17.3 49.6 12.4 0.50| 4.7 2.3 5000 155 24 108 13| 1.4 0.6 1.9| 67.0 -28.3 38.7 7.7 0.37| 4.2 1.6 6000 155 24 108 12| 1.2 0.5 1.7| 78.5 -32.6 45.9 7.6 0.38| 4.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250528.12.gif