UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 1 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 92 SFC 982 243 10.2 1.2 54 9.0 5.9 250 11 284.8 285.6 279.9 296.8 4.24 2 954 484 10.8 0.8 50 10.0 6.0 255 21 287.8 288.5 281.3 300.0 4.25 3 925 740 8.4 -1.6 49 10.0 3.9 260 31 287.9 288.5 280.7 298.5 3.67 4 850 1432 3.0 -3.0 65 6.0 0.4 260 25 289.3 289.9 281.2 299.7 3.60 5 700 2967 -9.7 -12.1 83 2.4 -10.5 230 31 291.7 292.1 280.6 298.2 2.16 6 678 3212 -11.7 -13.9 84 2.2 -12.3 232 32 292.2 292.5 280.4 298.0 1.92 7 674 3257 -12.5 -14.8 83 2.3 -13.2 233 32 291.8 292.1 280.1 297.2 1.80 8 651 3521 -12.9 -18.9 61 6.0 -14.4 235 33 294.2 294.5 280.6 298.3 1.32 9 613 3976 -16.5 -24.5 50 8.0 -18.1 240 34 295.2 295.4 280.4 297.9 0.86 10 581 4375 -20.3 -28.3 49 8.0 -21.7 244 35 295.3 295.4 280.2 297.4 0.64 11 500 5470 -27.1 -31.7 65 4.6 -27.7 255 38 300.0 300.1 282.1 301.8 0.54 12 464 6005 -30.3 -34.1 69 3.8 -30.7 255 40 302.5 302.6 283.0 304.0 0.46 13 400 7040 -40.3 -43.8 69 3.5 -40.5 255 44 302.6 302.6 282.7 303.3 0.20 14 391 7195 -41.5 -44.8 70 3.3 -41.7 255 44 303.0 303.1 282.8 303.7 0.18 15 356 7821 -48.3 -52.1 65 3.8 -48.4 255 46 302.1 302.1 282.4 302.4 0.09 16 306 8803 -54.5 -58.4 62 3.9 -54.6 255 48 306.8 306.8 284.2 307.0 0.05 17 300 8930 -54.1 -58.1 61 4.0 -54.2 260 48 309.1 309.1 285.1 309.3 0.05 18 250 10110 -52.1 -56.8 57 4.7 -52.2 275 35 328.6 328.6 291.4 328.9 0.07 19 200 11560 -50.5 -57.5 43 7.0 -50.8 285 36 352.8 352.8 297.3 353.1 0.08 20 186 12037 -48.9 -57.9 34 9.0 -49.3 282 34 362.8 362.8 299.3 363.2 0.08 21 158 13103 -53.1 -64.1 25 11.0 -53.4 277 30 373.0 373.0 301.1 373.2 0.04 22 150 13440 -51.9 -62.9 26 11.0 -52.3 275 29 380.6 380.7 302.4 380.9 0.05 23 100 16050 -53.7 -68.7 14 15.0 -54.2 290 21 424.0 424.0 308.2 424.2 0.04 24 84 17161 -56.5 -72.5 12 16.0 -57.0 288 19 440.0 440.0 309.9 440.1 0.03 25 83 17238 -53.9 -69.9 12 16.0 -54.5 287 19 446.8 446.8 310.6 447.0 0.04 26 70 18330 -53.9 -70.9 11 17.0 -54.6 285 17 469.1 469.1 312.6 469.3 0.04 27 54 19995 -55.3 -73.3 9 18.0 -56.2 266 12 502.0 502.0 315.1 502.2 0.03 28 50 20490 -53.1 -72.1 8 19.0 -54.2 260 11 518.3 518.4 316.2 518.6 0.05 29 30 23790 -50.5 -71.5 7 21.0 -52.8 230 15 607.0 607.0 320.9 607.6 0.08 30 20 26432 -50.9 -72.9 6 22.0 -53.9 680.4 680.4 323.8 681.2 0.10 TRP 306 8803 -54.5 -58.4 62 3.9 -54.6 255 48 306.8 306.8 284.2 307.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5378.00 m Freezing level: 814.57 mb = 1794.60 m = 5887.72 ft Wetbulb zero: 844.08 mb = 1487.23 m = 4879.30 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 62.67 % Est. max temperature: 14.94 C = 58.89 F Sfc-Lift cond lev (LCL): 856.19 mb = 1372.63 m = 4503.31 ft T: 3.46 C 700-500 lapse rate: 6.95 C/km ThetaE index: 2.52 C Layer 700.0- 651.0 mb Conv cond level (CCL): 772.73 mb = 2185.50 m = 7170.19 ft Mean mixing ratio: 3.90 g/kg Conv temperature: 15.92 C = 60.65 F Cap Strength: 2.24 C Lifted Index: 2.70 C Risk: None Lifted Index @300 mb: 7.35 C Lifted Index @700 mb: 0.42 C Showalter Index: 2.06 C Risk: Showers probable Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 24.10 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 192.00 Risk: None Energy Index: 0.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.93 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 44587.88 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 806.54 mb = 1846.92 m = 6059.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 24 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 ---------------------------------------------------------- 0 982 243 250 11 10.3 3.8 | 118 15 -13.3 7.0 1 925 740 260 31 30.5 5.4 | 219 11 6.9 8.6 2 850 1432 260 25 24.6 4.3 | 187 8 1.0 7.6 3 700 2967 230 31 23.7 19.9 | 180 23 0.1 23.2 4 500 5470 255 38 36.7 9.8 | 225 19 13.1 13.1 5 400 7040 255 44 42.5 11.4 | 232 24 18.9 14.6 6 306 8803 255 48 46.4 12.4 | 235 28 22.7 15.7 7 300 8930 260 48 47.3 8.3 | 244 26 23.6 11.6 8 250 10110 275 35 34.9 -3.1 | 269 11 11.2 0.2 9 200 11560 285 36 34.8 -9.3 | 299 13 11.1 -6.1 10 150 13440 275 29 28.9 -2.5 | 262 5 5.3 0.7 11 100 16050 290 21 19.7 -7.2 | 45 6 -3.9 -3.9 12 70 18330 285 17 16.4 -4.4 | 81 7 -7.2 -1.1 13 50 20490 260 11 10.8 1.9 | 112 14 -12.8 5.2 14 30 23790 230 15 11.5 9.6 | 137 18 -12.1 12.9 Wind Parameters Mean winds (0-6000m): 247.9 at 31.8 knts Storm direction: 277.9 at 23.8 knts Shear (0-3000m) pos: 3.5 neg: 2.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 66.4 deg Storm rel helicity (0-3000m) pos: 58.4 neg: -23.7 tot: 34.7 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.62 Bulk Shear: 17.72 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 ------------------------------------------------------------------------------- 500 257 21 159 8| 20.8 0.0 20.8| 49.1 0.0 49.1 98.3 0.89| 21.1 18.7 1000 259 25 186 8| 10.4 2.2 12.6| 49.1 -8.4 40.8 40.8 0.60| 12.8 7.6 1500 259 25 188 8| 6.9 1.9 8.9| 49.4 -11.5 37.9 25.3 0.46| 10.0 4.6 2000 256 26 188 10| 5.2 2.2 7.4| 49.4 -13.4 36.1 18.0 0.38| 8.8 3.3 2500 252 26 187 12| 4.2 2.8 7.0| 49.4 -19.6 29.9 11.9 0.29| 8.2 2.4 3000 248 27 187 14| 3.5 2.5 6.0| 58.4 -23.7 34.7 11.6 0.29| 7.5 2.1 4000 245 29 189 16| 3.3 1.9 5.2| 92.6 -23.7 68.9 17.2 0.37| 6.4 2.4 5000 246 30 194 16| 3.2 1.5 4.7|126.9 -23.7 103.3 20.7 0.44| 5.8 2.6 6000 248 32 201 16| 2.9 1.3 4.1|142.1 -23.7 118.4 19.7 0.46| 5.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250501.00.gif