UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052412.upa.cvt Date: 1200Z 24 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 24 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 134 SFC 988 240 25.0 8.0 34 17.0 14.9 135 9 299.2 300.4 288.5 319.3 6.82 2 925 811 18.6 2.6 34 16.0 10.0 155 19 298.3 299.2 286.4 313.2 4.99 3 902 1026 15.8 0.8 36 15.0 8.1 154 20 297.6 298.4 285.7 311.0 4.49 4 850 1526 11.2 0.2 47 11.0 5.7 150 21 297.9 298.7 285.8 311.5 4.56 5 752 2531 2.2 -2.8 69 5.0 -0.1 159 25 298.7 299.5 285.7 311.1 4.14 6 710 2991 -1.5 -7.5 64 6.0 -3.9 164 27 299.6 300.2 284.9 308.9 3.06 7 700 3104 -2.1 -8.1 63 6.0 -4.5 165 27 300.2 300.7 285.0 309.2 2.96 8 622 4032 -9.1 -15.1 62 6.0 -11.0 169 27 302.5 302.8 284.7 308.4 1.90 9 604 4259 -9.9 -23.9 31 14.0 -13.3 169 27 304.1 304.3 284.2 307.1 0.92 10 545 5045 -15.5 -27.5 35 12.0 -18.0 172 27 306.5 306.6 284.9 309.0 0.73 11 523 5355 -17.5 -31.5 28 14.0 -20.0 174 27 307.7 307.8 285.1 309.5 0.52 12 500 5690 -20.7 -30.7 40 10.0 -22.4 175 27 307.8 307.9 285.2 309.8 0.59 13 461 6285 -25.3 -31.3 57 6.0 -26.2 173 27 309.3 309.4 285.8 311.4 0.61 14 400 7300 -32.5 -45.5 26 13.0 -33.6 170 27 312.7 312.8 286.5 313.4 0.16 15 363 7975 -38.3 -54.3 17 16.0 -39.1 170 28 313.8 313.8 286.8 314.1 0.07 16 358 8070 -38.7 -54.7 17 16.0 -39.4 170 28 314.5 314.5 287.0 314.8 0.06 17 307 9099 -49.7 -61.7 23 12.0 -50.0 170 29 313.2 313.2 286.5 313.3 0.03 18 300 9250 -50.3 -62.3 23 12.0 -50.5 170 29 314.5 314.5 286.9 314.6 0.03 19 257 10237 -57.9 -68.9 23 11.0 -58.0 157 24 317.5 317.5 287.9 317.5 0.01 20 250 10410 -58.5 -69.5 23 11.0 -58.6 155 23 319.1 319.1 288.5 319.1 0.01 21 240 10668 -59.7 -69.7 26 10.0 -59.8 170 23 321.0 321.0 289.0 321.1 0.01 22 227 11018 -60.1 -70.1 26 10.0 -60.2 175 21 325.6 325.6 290.5 325.6 0.01 23 200 11820 -56.3 -67.3 24 11.0 -56.5 185 15 343.6 343.6 295.2 343.7 0.02 24 164 13087 -52.7 -67.7 15 15.0 -53.1 188 14 369.7 369.7 300.5 369.8 0.03 25 150 13660 -53.5 -69.5 13 16.0 -53.9 190 13 377.9 377.9 301.9 378.0 0.02 26 100 16260 -53.7 -76.7 4 23.0 -54.3 215 17 424.0 424.0 308.2 424.0 0.01 27 77 17952 -49.9 -73.9 4 24.0 -51.1 182 13 464.8 464.8 312.2 464.9 0.02 28 70 18570 -52.7 -75.7 5 23.0 -53.7 170 11 471.6 471.6 312.8 471.7 0.02 29 54 20236 -55.9 -77.9 5 22.0 -56.7 81 9 500.6 500.6 315.0 500.7 0.02 30 50 20730 -52.5 -75.5 5 23.0 -53.8 55 9 519.8 519.8 316.3 519.9 0.03 31 49 20861 -52.5 -75.5 5 23.0 -53.8 58 9 522.8 522.8 316.5 522.9 0.03 32 36 22845 -54.3 -77.3 4 23.0 -55.7 103 8 566.3 566.3 319.0 566.5 0.03 33 30 24020 -52.1 -75.1 5 23.0 -54.1 130 7 602.6 602.6 320.7 603.0 0.05 34 20 26660 -48.7 -72.7 5 24.0 -52.4 85 19 687.1 687.2 324.0 688.0 0.10 35 14 29016 -46.5 -70.5 5 24.0 -52.0 768.4 768.5 326.5 770.3 0.20 TRP 240 10668 -59.7 -69.7 26 10.0 -59.8 170 23 321.0 321.0 289.0 321.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5556.00 m Freezing level: 727.03 mb = 2804.48 m = 9200.94 ft Wetbulb zero: 753.65 mb = 2512.59 m = 8243.29 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 47.59 % Est. max temperature: 23.82 C = 74.87 F Sfc-Lift cond lev (LCL): 768.94 mb = 2347.95 m = 7703.17 ft T: 3.84 C 700-500 lapse rate: 7.19 C/km ThetaE index: 8.36 C Layer 925.0- 850.0 mb Conv cond level (CCL): 732.31 mb = 2743.23 m = 8999.98 ft Mean mixing ratio: 5.42 g/kg Conv temperature: 24.96 C = 76.93 F Cap Strength: 0.53 C Lifted Index: -1.15 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.31 C Lifted Index @700 mb: -0.13 C Showalter Index: 0.67 C Risk: Thunderstorms probable Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.90 C Cross Totals Index: 20.90 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 147.40 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 135.47 J/kg Max Up Vert Vel: 16.46 m/s Conv Inhibition (B-): 10.85 J/kg Cap Strength: 0.77 C Lift Cond Lev (LCL): 739.95 mb = 2660.11 m = 8727.27 ft Lev Free Conv (LFC): 714.95 mb = 2935.56 m = 9631.00 ft Equ Level (EL): 404.95 mb = 7212.09 m = 23661.43 ft B at Equ Level: 131.46 J/kg Max Parcel Lev (MPL): 244.95 mb = 10538.92 m = 34576.08 ft Wind level data Storm motion: 195 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 ---------------------------------------------------------- 0 988 240 135 9 -6.4 6.4 | 44 16 -11.0 -11.3 1 925 811 155 19 -8.0 17.2 | 88 13 -12.7 -0.4 2 850 1526 150 21 -10.5 18.2 | 92 15 -15.2 0.6 3 700 3104 165 27 -7.0 26.1 | 126 14 -11.6 8.5 4 500 5690 175 27 -2.4 26.9 | 143 12 -7.0 9.3 5 400 7300 170 27 -4.7 26.6 | 134 13 -9.3 9.0 6 300 9250 170 29 -5.0 28.6 | 138 15 -9.7 10.9 7 250 10410 155 23 -9.7 20.8 | 103 15 -14.4 3.2 8 240 10668 170 23 -4.0 22.7 | 120 10 -8.7 5.0 9 200 11820 185 15 1.3 14.9 | 51 4 -3.3 -2.7 10 150 13660 190 13 2.3 12.8 | 26 5 -2.4 -4.8 11 100 16260 215 17 9.8 13.9 | 306 6 5.1 -3.7 12 70 18570 170 11 -1.9 10.8 | 44 9 -6.6 -6.8 13 50 20730 55 9 -7.4 -5.2 | 28 26 -12.0 -22.8 14 30 24020 130 7 -5.4 4.5 | 37 17 -10.0 -13.1 15 20 26660 85 19 -18.9 -1.7 | 51 30 -23.6 -19.3 Wind Parameters Mean winds (0-6000m): 164.8 at 24.3 knts Storm direction: 194.8 at 18.2 knts Shear (0-3000m) pos: 3.0 neg: 0.4 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 82.4 deg Storm rel helicity (0-3000m) pos: 77.6 neg: 0.0 tot: 77.6 m^2/s^2 ave: 25.9 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 6.87 Bulk Shear: 19.71 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 ------------------------------------------------------------------------------- 500 148 13 62 13| 9.8 0.0 9.8| 35.0 0.0 35.0 70.0 0.96| 10.0 9.5 1000 151 16 76 13| 4.9 1.3 6.2| 42.2 0.0 42.2 42.2 0.90| 6.5 5.8 1500 151 18 82 13| 3.8 0.8 4.7| 47.8 0.0 47.8 31.9 0.86| 5.1 4.4 2000 152 19 87 14| 3.5 0.6 4.1| 58.2 0.0 58.2 29.1 0.88| 4.5 4.0 2500 154 20 93 14| 3.3 0.5 3.8| 68.8 0.0 68.8 27.5 0.90| 4.2 3.7 3000 156 21 98 13| 3.0 0.4 3.5| 77.6 0.0 77.6 25.9 0.91| 3.9 3.5 4000 160 23 106 13| 2.4 0.3 2.7| 82.8 0.0 82.8 20.7 0.90| 3.1 2.8 5000 162 24 113 13| 1.9 0.3 2.2| 87.8 0.0 87.8 17.6 0.89| 2.7 2.4 6000 165 24 118 12| 1.6 0.2 1.9| 89.7 -1.9 87.8 14.6 0.85| 2.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250524.12.gif