UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 30 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 121 SFC 985 245 7.4 2.9 73 4.5 5.2 290 9 281.8 282.6 279.1 295.1 4.78 2 925 757 4.4 0.6 76 3.8 2.7 320 27 283.8 284.6 279.5 296.0 4.32 3 850 1444 0.0 -3.5 77 3.5 -1.4 310 25 286.1 286.8 279.6 296.1 3.47 4 714 2815 -8.9 -12.9 73 4.0 -10.1 310 23 291.0 291.3 280.0 296.9 1.98 5 700 2968 -10.1 -14.4 71 4.3 -11.3 310 23 291.3 291.6 279.8 296.7 1.79 6 641 3638 -15.3 -19.5 70 4.2 -16.3 309 30 292.8 293.1 279.9 296.8 1.27 7 590 4257 -20.1 -29.1 45 9.0 -21.5 307 37 294.3 294.4 279.6 296.2 0.58 8 518 5213 -23.7 -42.7 16 19.0 -25.6 306 47 301.1 301.1 282.0 301.7 0.17 9 515 5256 -24.3 -44.3 14 20.0 -26.2 305 48 300.9 300.9 281.9 301.4 0.14 10 500 5470 -25.7 -45.7 14 20.0 -27.5 305 50 301.7 301.7 282.3 302.2 0.13 11 400 7050 -39.5 -54.5 19 15.0 -40.1 310 64 303.7 303.7 283.0 303.9 0.06 12 383 7345 -42.2 -56.1 21 13.8 -42.7 310 66 303.8 303.9 283.0 304.0 0.05 13 358 7797 -46.5 -58.5 24 12.0 -46.8 311 64 304.1 304.1 283.1 304.2 0.04 14 318 8573 -51.9 -61.9 29 10.0 -52.1 314 60 307.0 307.0 284.2 307.1 0.03 15 301 8929 -52.7 -62.7 29 10.0 -52.9 315 58 310.8 310.8 285.7 310.9 0.03 16 300 8950 -52.7 -62.7 29 10.0 -52.9 315 58 311.1 311.1 285.7 311.2 0.03 17 292 9125 -52.9 -62.9 29 10.0 -53.1 314 56 313.2 313.2 286.5 313.3 0.03 18 261 9851 -53.1 -63.1 29 10.0 -53.3 311 49 323.1 323.1 289.8 323.2 0.03 19 250 10130 -51.3 -62.3 26 11.0 -51.5 310 46 329.8 329.8 291.7 329.9 0.04 20 221 10931 -49.3 -61.3 23 12.0 -49.7 307 39 344.7 344.7 295.5 344.9 0.05 21 200 11580 -51.1 -64.1 20 13.0 -51.4 305 33 351.8 351.9 297.1 352.0 0.03 22 177 12369 -53.1 -67.1 17 14.0 -53.4 301 30 361.1 361.1 299.0 361.2 0.03 23 164 12862 -50.5 -64.5 18 14.0 -51.0 298 29 373.4 373.4 301.2 373.6 0.04 24 150 13440 -52.3 -67.3 15 15.0 -52.7 295 27 380.0 380.0 302.3 380.1 0.03 25 132 14266 -54.7 -70.7 12 16.0 -55.1 297 24 389.8 389.8 303.8 389.9 0.02 26 100 16050 -54.1 -71.1 11 17.0 -54.6 300 19 423.2 423.2 308.1 423.3 0.03 27 89 16794 -56.5 -73.5 10 17.0 -56.9 293 18 432.7 432.8 309.1 432.9 0.02 28 70 18320 -55.9 -73.9 9 18.0 -56.5 280 15 464.8 464.8 312.2 464.9 0.02 29 50 20480 -53.5 -73.5 7 20.0 -54.6 235 15 517.4 517.4 316.1 517.6 0.04 30 31 23557 -50.9 -71.9 7 21.0 -53.1 240 13 600.2 600.2 320.6 600.8 0.07 31 30 23770 -50.9 -71.9 7 21.0 -53.1 240 13 605.9 605.9 320.9 606.5 0.08 32 20 26400 -50.7 -72.7 6 22.0 -53.8 180 9 681.0 681.0 323.9 681.9 0.10 33 16 27849 -52.3 -75.3 5 23.0 -55.5 720.6 720.7 325.1 721.4 0.09 34 13 29209 -46.7 -70.7 5 24.0 -52.4 784.1 784.2 326.9 786.2 0.21 35 12 29739 -47.5 -71.5 5 24.0 -53.1 799.4 799.5 327.3 801.5 0.21 TRP 301 8929 -52.7 -62.7 29 10.0 -52.9 315 58 310.8 310.8 285.7 310.9 0.03 WND 383 7345 -42.2 -56.1 21 13.8 -42.7 310 66 303.8 303.9 283.0 304.0 0.05 Sounding variables and indices 1000-500 mb thick: 5349.00 m Freezing level: 850.00 mb = 1444.00 m = 4737.48 ft Wetbulb zero: 876.42 mb = 1195.27 m = 3921.45 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 60.55 % Est. max temperature: 12.26 C = 54.07 F Sfc-Lift cond lev (LCL): 919.42 mb = 806.15 m = 2644.82 ft T: 4.09 C 700-500 lapse rate: 6.24 C/km ThetaE index: 0.22 C Layer 700.0- 641.0 mb Conv cond level (CCL): 839.91 mb = 1537.95 m = 5045.70 ft Mean mixing ratio: 4.36 g/kg Conv temperature: 12.10 C = 53.78 F Cap Strength: 6.10 C Lifted Index: 6.33 C Risk: None Lifted Index @300 mb: 10.97 C Lifted Index @700 mb: 1.89 C Showalter Index: 6.04 C Risk: None Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.20 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 100.00 Risk: None Energy Index: 1.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.15 J/kg Max Up Vert Vel: 4.93 m/s Conv Inhibition (B-): 54910.18 J/kg Cap Strength: 6.08 C Lift Cond Lev (LCL): 878.51 mb = 1175.96 m = 3858.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 25 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 ---------------------------------------------------------- 0 985 245 290 9 8.5 -3.1 | 178 20 -0.8 19.9 1 925 757 320 27 17.4 -20.7 | 254 8 8.1 2.3 2 850 1444 310 25 19.2 -16.1 | 235 12 9.9 6.9 3 700 2968 310 23 17.6 -14.8 | 226 12 8.4 8.2 4 500 5470 305 50 41.0 -28.7 | 280 32 31.7 -5.7 5 400 7050 310 64 49.0 -41.1 | 295 44 39.8 -18.2 6 383 7345 310 66 50.6 -42.4 | 295 46 41.3 -19.5 7 301 8929 315 58 41.0 -41.0 | 300 37 31.8 -18.0 8 300 8950 315 58 41.0 -41.0 | 300 37 31.8 -18.0 9 250 10130 310 46 35.2 -29.6 | 284 27 26.0 -6.6 10 200 11580 305 33 27.0 -18.9 | 257 18 17.8 4.0 11 150 13440 295 27 24.5 -11.4 | 233 19 15.2 11.6 12 100 16050 300 19 16.5 -9.5 | 208 15 7.2 13.5 13 70 18320 280 15 14.8 -2.6 | 195 21 5.6 20.4 14 50 20480 235 15 12.3 8.6 | 186 32 3.1 31.6 15 30 23770 240 13 11.3 6.5 | 184 30 2.0 29.5 16 20 26400 180 9 0.0 9.0 | 164 33 -9.2 32.0 Wind Parameters Mean winds (0-6000m): 308.1 at 33.0 knts Storm direction: 338.1 at 24.8 knts Shear (0-3000m) pos: 3.3 neg: 0.8 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 61.4 deg Storm rel helicity (0-3000m) pos: 67.1 neg: -14.1 tot: 53.1 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.39 Bulk Shear: 31.10 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 ------------------------------------------------------------------------------- 500 312 18 200 12| 19.8 0.0 19.8| 57.9 0.0 57.9 115.9 0.82| 20.6 16.8 1000 315 22 221 10| 9.9 1.6 11.5| 58.1 -5.2 52.9 52.9 0.62| 11.9 7.4 1500 313 23 226 10| 6.6 1.6 8.2| 58.1 -9.2 48.9 32.6 0.53| 8.6 4.5 2000 313 23 228 11| 4.9 1.2 6.2| 58.1 -11.2 46.9 23.4 0.49| 6.6 3.2 2500 312 23 228 11| 4.0 1.1 5.0| 58.1 -13.2 44.8 17.9 0.45| 5.4 2.4 3000 312 23 228 11| 3.3 0.8 4.1| 67.1 -14.1 53.1 17.7 0.49| 5.1 2.5 4000 311 25 238 12| 2.5 1.6 4.0| 99.2 -14.1 85.1 21.3 0.55| 5.2 2.9 5000 309 29 250 14| 2.0 2.3 4.3|128.0 -14.1 113.9 22.8 0.52| 5.3 2.7 6000 308 33 261 17| 2.4 1.9 4.4|177.2 -14.1 163.1 27.2 0.53| 5.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250430.00.gif