UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 27 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 179 315 7 SFC 992 243 -0.9 -3.3 84 2.4 -1.8 315 7 272.9 273.4 271.8 281.1 3.02 2 973 397 -2.7 -5.2 83 2.5 -3.6 323 13 272.6 273.0 271.1 279.9 2.66 3 930 755 -3.5 -7.9 72 4.4 -5.0 343 25 275.3 275.7 272.1 281.6 2.26 4 925 798 -3.9 -8.9 68 5.0 -5.5 345 27 275.3 275.7 271.9 281.2 2.10 5 850 1459 -9.1 -15.1 62 6.0 -10.6 345 23 276.6 276.8 271.5 280.6 1.39 6 700 2929 -20.5 -27.5 53 7.0 -21.5 340 25 279.8 279.9 272.1 281.5 0.57 7 672 3229 -22.9 -28.9 58 6.0 -23.7 340 26 280.4 280.5 272.3 282.0 0.52 8 586 4218 -29.5 -42.5 27 13.0 -30.4 340 31 283.9 283.9 273.7 284.4 0.15 9 500 5330 -37.9 -48.9 31 11.0 -38.4 340 36 286.8 286.8 275.2 287.1 0.09 10 460 5900 -41.9 -52.9 29 11.0 -42.3 344 41 288.8 288.8 276.1 289.0 0.06 11 406 6740 -44.9 -55.9 28 11.0 -45.2 350 48 295.4 295.4 279.3 295.5 0.05 12 404 6773 -44.9 -55.9 28 11.0 -45.2 348 48 295.8 295.8 279.6 296.0 0.05 13 400 6840 -44.5 -55.5 28 11.0 -44.8 345 48 297.2 297.2 280.1 297.3 0.05 14 327 8192 -44.6 -58.4 20 13.8 -45.1 345 62 314.6 314.6 287.0 314.8 0.04 15 300 8770 -44.7 -59.7 17 15.0 -45.2 345 44 322.4 322.4 289.5 322.5 0.04 16 250 9990 -45.5 -63.5 11 18.0 -46.1 335 48 338.4 338.4 294.0 338.5 0.03 17 223 10754 -43.9 -63.9 9 20.0 -44.7 322 39 352.1 352.1 297.1 352.3 0.03 18 200 11480 -46.1 -66.1 9 20.0 -46.8 310 31 359.8 359.8 298.7 359.9 0.03 19 150 13380 -49.7 -70.7 7 21.0 -50.3 315 15 384.4 384.4 302.9 384.5 0.02 20 100 16020 -52.7 -75.7 5 23.0 -53.4 255 31 425.9 425.9 308.4 426.0 0.01 21 70 18320 -53.3 -76.3 4 23.0 -54.2 280 13 470.4 470.4 312.7 470.5 0.02 22 66 18699 -52.7 -75.7 5 23.0 -53.7 277 12 479.6 479.7 313.4 479.8 0.02 23 50 20470 -57.1 -79.1 5 22.0 -57.9 265 7 508.9 508.9 315.6 509.0 0.02 24 40 21894 -53.5 -76.5 4 23.0 -54.9 248 20 551.5 551.5 318.2 551.7 0.03 25 35 22745 -57.3 -79.3 5 22.0 -58.3 237 27 563.1 563.1 318.8 563.2 0.02 26 30 23720 -57.1 -79.1 5 22.0 -58.3 225 36 589.0 589.0 320.1 589.2 0.03 27 23 25414 -53.9 -76.9 4 23.0 -56.0 644.9 644.9 322.5 645.3 0.05 28 22 25698 -55.9 -77.9 5 22.0 -57.7 647.2 647.2 322.6 647.5 0.04 TRP 406 6740 -44.9 -55.9 28 11.0 -45.2 350 48 295.4 295.4 279.3 295.5 0.05 WND 327 8192 -44.6 -58.4 20 13.8 -45.1 345 62 314.6 314.6 287.0 314.8 0.04 Sounding variables and indices 1000-500 mb thick: 5151.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 50.88 % Est. max temperature: 2.99 C = 37.39 F Sfc-Lift cond lev (LCL): 955.35 mb = 542.27 m = 1779.07 ft T: -3.02 C 700-500 lapse rate: 7.25 C/km ThetaE index: 1.23 C Layer 973.0- 930.0 mb Conv cond level (CCL): 857.62 mb = 1389.26 m = 4557.88 ft Mean mixing ratio: 2.34 g/kg Conv temperature: 2.70 C = 36.86 F Cap Strength: 3.70 C Lifted Index: 5.38 C Risk: None Lifted Index @300 mb: 29.46 C Lifted Index @700 mb: 1.54 C Showalter Index: 5.56 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 22.80 C K Index: 6.70 Risk: None Sweat Index: 134.00 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.49 J/kg Max Up Vert Vel: 5.38 m/s Conv Inhibition (B-): 52484.31 J/kg Cap Strength: 5.22 C Lift Cond Lev (LCL): 885.74 mb = 1137.01 m = 3730.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 12 at 22 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 ---------------------------------------------------------- 0 992 243 315 7 4.9 -4.9 | 210 19 9.3 16.1 1 925 798 345 27 7.0 -26.1 | 294 12 11.3 -5.0 2 850 1459 345 23 6.0 -22.2 | 276 10 10.3 -1.1 3 700 2929 340 25 8.6 -23.5 | 281 13 12.9 -2.4 4 500 5330 340 36 12.3 -33.8 | 307 21 16.7 -12.7 5 406 6740 350 48 8.3 -47.3 | 334 29 12.7 -26.2 6 400 6840 345 48 12.4 -46.4 | 326 30 16.8 -25.3 7 327 8192 345 62 16.0 -59.9 | 332 44 20.4 -38.8 8 300 8770 345 44 11.4 -42.5 | 324 27 15.7 -21.4 9 250 9990 335 48 20.3 -43.5 | 312 33 24.6 -22.4 10 200 11480 310 31 23.7 -19.9 | 268 28 28.1 1.2 11 150 13380 315 15 10.6 -10.6 | 235 18 15.0 10.5 12 100 16020 255 31 29.9 8.0 | 230 45 34.3 29.1 13 70 18320 280 13 12.8 -2.3 | 222 25 17.2 18.8 14 50 20470 265 7 7.0 0.6 | 208 24 11.3 21.7 15 30 23720 225 36 25.5 25.5 | 213 55 29.8 46.5 Wind Parameters Mean winds (0-6000m): 341.7 at 28.7 knts Storm direction: 11.7 at 21.5 knts Shear (0-3000m) pos: 3.2 neg: 0.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 75.7 deg Storm rel helicity (0-3000m) pos: 85.8 neg: -9.4 tot: 76.4 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.67 Bulk Shear: 21.71 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 ------------------------------------------------------------------------------- 500 338 16 239 12| 19.6 0.0 19.6| 72.0 0.0 72.0 143.9 0.94| 20.3 19.1 1000 342 21 263 11| 9.6 0.0 9.6| 79.0 -6.2 72.8 72.8 0.77| 12.5 9.6 1500 343 22 268 11| 6.4 0.3 6.7| 79.4 -9.4 70.0 46.7 0.68| 8.9 6.1 2000 343 22 271 11| 4.8 0.3 5.1| 80.3 -9.4 71.0 35.5 0.67| 6.9 4.6 2500 343 23 273 11| 3.8 0.4 4.2| 81.2 -9.4 71.8 28.7 0.65| 5.8 3.8 3000 342 23 275 11| 3.2 0.5 3.7| 85.8 -9.4 76.4 25.5 0.66| 5.1 3.4 4000 342 25 280 12| 2.4 0.9 3.3| 99.5 -9.4 90.1 22.5 0.67| 4.4 3.0 5000 341 26 287 13| 1.9 1.2 3.1|113.2 -9.4 103.8 20.8 0.66| 4.0 2.6 6000 342 29 295 15| 2.4 1.0 3.4|160.5 -9.4 151.2 25.2 0.69| 4.1 2.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250427.00.gif