UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 22 APR 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 126 SFC 986 244 12.6 1.6 47 11.0 7.2 225 3 286.9 287.7 281.0 299.3 4.35 2 956 507 19.6 4.6 37 15.0 11.3 240 8 296.5 297.5 286.4 312.9 5.56 3 925 789 16.6 0.6 34 16.0 8.5 255 13 296.3 297.1 284.9 309.1 4.32 4 900 1020 14.8 -0.2 36 15.0 7.3 253 13 296.8 297.5 285.0 309.2 4.19 5 850 1498 10.2 -0.8 46 11.0 4.8 250 13 296.8 297.6 285.1 309.4 4.24 6 700 3075 -4.1 -7.2 79 3.1 -5.3 245 21 297.9 298.5 284.4 307.6 3.18 7 694 3143 -4.7 -7.5 81 2.8 -5.8 246 21 298.0 298.6 284.4 307.5 3.13 8 638 3799 -7.3 -8.8 89 1.5 -7.9 253 22 302.3 302.9 285.9 311.8 3.08 9 607 4185 -9.5 -11.9 83 2.4 -10.4 258 22 304.1 304.6 286.1 312.0 2.53 10 580 4533 -13.9 -20.9 55 7.0 -15.7 262 22 303.0 303.2 284.2 307.0 1.25 11 571 4651 -14.9 -22.9 50 8.0 -16.8 263 22 303.1 303.3 284.0 306.6 1.06 12 500 5640 -21.7 -29.7 48 8.0 -23.1 275 23 306.6 306.7 284.8 308.8 0.65 13 428 6770 -29.9 -42.9 27 13.0 -31.1 285 31 310.1 310.1 285.6 310.8 0.20 14 420 6904 -30.5 -43.5 27 13.0 -31.7 287 32 311.0 311.0 285.9 311.7 0.19 15 400 7250 -33.3 -45.3 29 12.0 -34.2 290 35 311.7 311.7 286.1 312.3 0.17 16 306 9070 -49.7 -58.7 34 9.0 -49.9 313 35 313.5 313.5 286.6 313.7 0.05 17 300 9200 -50.5 -59.5 34 9.0 -50.7 315 35 314.2 314.2 286.9 314.3 0.04 18 250 10360 -59.9 -67.9 34 8.0 -60.0 320 38 317.0 317.0 287.8 317.1 0.02 19 241 10589 -61.5 -69.5 34 8.0 -61.6 313 37 318.0 318.0 288.1 318.0 0.01 20 224 11042 -62.9 -70.9 33 8.0 -63.0 300 36 322.5 322.5 289.5 322.6 0.01 21 200 11750 -57.9 -65.9 35 8.0 -58.0 275 23 341.1 341.1 294.6 341.2 0.03 22 198 11813 -58.3 -66.3 35 8.0 -58.4 275 23 341.4 341.4 294.7 341.5 0.03 23 182 12350 -51.5 -59.5 38 8.0 -51.8 275 22 360.8 360.8 298.9 361.1 0.07 24 150 13600 -52.5 -62.5 29 10.0 -52.8 275 21 379.6 379.6 302.2 379.9 0.06 25 100 16190 -56.9 -68.9 21 12.0 -57.2 275 13 417.8 417.8 307.4 418.0 0.04 26 70 18450 -57.1 -70.1 18 13.0 -57.6 280 9 462.2 462.2 312.0 462.5 0.04 27 53 20212 -58.7 -72.7 15 14.0 -59.2 280 6 496.8 496.8 314.7 497.0 0.04 28 50 20580 -57.7 -71.7 15 14.0 -58.3 280 5 507.5 507.5 315.5 507.8 0.05 29 43 21535 -55.9 -69.9 16 14.0 -56.8 293 4 534.3 534.3 317.2 534.8 0.07 30 34 23020 -58.1 -72.1 15 14.0 -59.0 314 3 565.6 565.7 318.9 566.1 0.07 31 30 23810 -57.1 -71.1 15 14.0 -58.2 325 3 589.0 589.0 320.1 589.6 0.09 32 20 26370 -56.9 -70.9 15 14.0 -58.5 340 13 662.0 662.1 323.2 663.1 0.13 33 14 28639 -55.1 -69.1 16 14.0 -57.5 739.2 739.3 325.7 741.5 0.25 TRP 224 11042 -62.9 -70.9 33 8.0 -63.0 300 36 322.5 322.5 289.5 322.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: 743.01 mb = 2622.85 m = 8605.06 ft Wetbulb zero: 778.61 mb = 2210.55 m = 7252.37 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 59.74 % Est. max temperature: 22.61 C = 72.70 F Sfc-Lift cond lev (LCL): 834.45 mb = 1647.93 m = 5406.54 ft T: 8.84 C 700-500 lapse rate: 6.86 C/km ThetaE index: 3.82 C Layer 925.0- 900.0 mb Conv cond level (CCL): 722.56 mb = 2817.37 m = 9243.24 ft Mean mixing ratio: 4.66 g/kg Conv temperature: 23.47 C = 74.25 F Cap Strength: 2.61 C Lifted Index: 1.37 C Risk: Showers probable Lifted Index @300 mb: 3.97 C Lifted Index @700 mb: 0.57 C Showalter Index: 0.96 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: 28.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 125.00 Risk: None Energy Index: -0.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.32 J/kg Max Up Vert Vel: 7.79 m/s Conv Inhibition (B-): 45073.02 J/kg Cap Strength: 2.53 C Lift Cond Lev (LCL): 750.71 mb = 2506.91 m = 8224.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 14 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 ---------------------------------------------------------- 0 986 244 225 3 2.1 2.1 | 121 13 -11.3 6.7 1 925 789 255 13 12.6 3.4 | 174 8 -0.8 7.9 2 850 1498 250 13 12.2 4.4 | 173 9 -1.2 9.0 3 700 3075 245 21 19.0 8.9 | 203 15 5.6 13.4 4 500 5640 275 23 22.9 -2.0 | 255 10 9.5 2.6 5 400 7250 290 35 32.9 -12.0 | 291 21 19.5 -7.4 6 300 9200 315 35 24.7 -24.7 | 331 23 11.4 -20.2 7 250 10360 320 38 24.4 -29.1 | 336 27 11.0 -24.5 8 224 11042 300 36 31.2 -18.0 | 307 22 17.8 -13.4 9 200 11750 275 23 22.9 -2.0 | 255 10 9.5 2.6 10 150 13600 275 21 20.9 -1.8 | 250 8 7.5 2.7 11 100 16190 275 13 13.0 -1.1 | 173 3 -0.4 3.4 12 70 18450 280 9 8.9 -1.6 | 124 5 -4.5 3.0 13 50 20580 280 5 4.9 -0.9 | 114 9 -8.5 3.7 14 30 23810 325 3 1.7 -2.5 | 100 12 -11.7 2.1 15 20 26370 340 13 4.4 -12.2 | 49 12 -8.9 -7.7 Wind Parameters Mean winds (0-6000m): 258.8 at 18.9 knts Storm direction: 288.8 at 14.2 knts Shear (0-3000m) pos: 2.0 neg: 1.3 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 84.6 deg Storm rel helicity (0-3000m) pos: 46.3 neg: -0.4 tot: 45.9 m^2/s^2 ave: 15.3 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.74 Bulk Shear: 17.44 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 ------------------------------------------------------------------------------- 500 249 8 139 10| 9.9 0.0 9.9| 25.0 0.0 25.0 49.9 0.88| 10.2 9.0 1000 252 10 155 9| 4.9 0.4 5.4| 26.9 -0.3 26.6 26.6 0.83| 5.9 4.9 1500 251 11 162 9| 3.3 0.8 4.1| 29.6 -0.4 29.2 19.5 0.81| 4.5 3.6 2000 250 12 169 9| 2.5 1.2 3.7| 35.3 -0.4 34.8 17.4 0.80| 4.0 3.3 2500 249 14 175 9| 2.0 1.5 3.5| 40.6 -0.4 40.2 16.1 0.78| 3.8 2.9 3000 248 15 181 10| 2.0 1.3 3.2| 46.3 -0.4 45.9 15.3 0.77| 3.5 2.7 4000 250 16 191 10| 1.7 0.9 2.7| 59.8 -0.4 59.4 14.8 0.79| 3.2 2.5 5000 254 18 201 10| 1.6 0.8 2.4| 72.3 -0.4 71.9 14.4 0.81| 3.1 2.5 6000 259 19 212 10| 1.9 0.6 2.5| 87.9 -0.4 87.5 14.6 0.80| 3.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250422.00.gif