UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 22 APR 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1014 17 -4.9 -9.7 69 4.8 -6.3 0 0 267.2 267.5 266.1 272.1 1.80 1 1005 87 -5.5 -14.5 49 9.0 -7.8 341 4 267.3 267.5 265.1 270.7 1.23 2 1000 126 -5.7 -14.7 49 9.0 -7.9 330 7 267.5 267.6 265.2 270.8 1.22 3 925 730 -11.3 -16.0 68 4.7 -12.3 335 15 267.8 267.9 265.4 271.1 1.18 4 850 1371 -17.3 -20.7 75 3.4 -17.9 310 15 268.0 268.2 265.0 270.5 0.86 5 847 1398 -17.5 -20.8 75 3.3 -18.1 310 15 268.1 268.2 265.0 270.5 0.86 6 811 1722 -19.5 -22.6 76 3.1 -20.0 310 16 269.3 269.4 265.7 271.5 0.77 7 747 2331 -20.7 -28.7 49 8.0 -21.8 310 18 274.4 274.5 268.5 275.9 0.48 8 700 2810 -23.1 -29.1 58 6.0 -23.9 310 19 276.9 277.0 270.2 278.4 0.49 9 682 3000 -23.9 -29.9 58 6.0 -24.6 310 19 278.1 278.2 270.8 279.5 0.47 10 520 4929 -35.7 -42.7 49 7.0 -36.1 306 17 286.3 286.3 275.0 286.8 0.17 11 500 5200 -37.7 -44.7 48 7.0 -38.1 305 17 287.1 287.1 275.4 287.6 0.14 12 400 6700 -48.9 -56.9 39 8.0 -49.1 305 19 291.4 291.4 277.4 291.6 0.04 13 394 6799 -49.7 -57.7 39 8.0 -49.8 308 19 291.7 291.7 277.6 291.8 0.04 14 363 7333 -52.7 -60.7 37 8.0 -52.8 322 20 294.6 294.6 278.9 294.7 0.03 15 348 7606 -54.3 -62.3 37 8.0 -54.4 330 21 296.0 296.0 279.6 296.1 0.03 16 340 7755 -54.1 -62.1 37 8.0 -54.2 328 22 298.2 298.2 280.6 298.3 0.03 17 307 8418 -49.5 -57.5 39 8.0 -49.7 322 24 313.5 313.5 286.6 313.7 0.05 18 300 8570 -49.1 -58.1 34 9.0 -49.3 320 25 316.1 316.2 287.5 316.3 0.05 19 282 8978 -46.5 -56.5 31 10.0 -46.9 318 24 325.5 325.5 290.5 325.8 0.06 20 250 9780 -44.7 -57.7 22 13.0 -45.2 315 21 339.6 339.6 294.3 339.9 0.06 21 236 10167 -43.7 -58.7 17 15.0 -44.4 311 22 346.8 346.8 296.0 347.0 0.06 22 200 11280 -43.7 -63.7 9 20.0 -44.6 300 23 363.6 363.6 299.4 363.7 0.04 23 160 12771 -44.7 -67.7 6 23.0 -45.7 308 18 385.8 385.9 303.2 386.0 0.03 24 150 13200 -45.9 -68.9 6 23.0 -46.9 310 17 391.0 391.0 303.9 391.1 0.02 25 144 13471 -46.3 -70.3 5 24.0 -47.3 309 17 394.9 394.9 304.5 395.0 0.02 26 102 15750 -48.7 -72.7 5 24.0 -49.7 305 21 431.2 431.2 309.0 431.3 0.02 27 100 15880 -48.7 -72.7 5 24.0 -49.7 305 21 433.6 433.6 309.2 433.7 0.02 28 77 17595 -50.3 -74.3 4 24.0 -51.4 309 17 464.0 464.0 312.1 464.1 0.02 29 70 18220 -48.5 -72.5 5 24.0 -49.9 310 15 480.6 480.6 313.5 480.8 0.03 30 68 18411 -47.9 -71.9 5 24.0 -49.4 311 14 485.9 485.9 314.0 486.1 0.03 31 51 20292 -52.1 -75.1 5 23.0 -53.4 324 9 517.8 517.8 316.2 517.9 0.03 32 50 20420 -52.1 -75.1 5 23.0 -53.4 325 9 520.7 520.7 316.4 520.9 0.03 33 39 22030 -51.5 -74.5 5 23.0 -53.2 4 9 560.6 560.6 318.7 560.8 0.04 34 30 23720 -54.7 -77.7 4 23.0 -56.3 45 9 595.5 595.5 320.4 595.7 0.03 35 26 24638 -55.1 -78.1 4 23.0 -56.8 52 12 619.3 619.3 321.5 619.5 0.03 36 23 25430 -51.3 -74.3 5 23.0 -54.0 58 14 652.5 652.6 322.8 653.1 0.07 37 21 26022 -52.1 -75.1 5 23.0 -54.8 63 16 667.3 667.4 323.3 667.9 0.07 38 20 26340 -50.5 -73.5 5 23.0 -53.7 65 17 681.6 681.6 323.9 682.4 0.09 39 12 29727 -42.3 -67.3 5 25.0 -50.1 98 30 817.9 818.1 327.8 821.7 0.37 40 10 30960 -41.9 -66.9 5 25.0 -50.6 110 35 863.1 863.4 328.8 868.2 0.47 41 9.7 31167 -41.1 -67.1 4 26.0 -50.4 873.7 874.0 329.0 878.9 0.47 TRP 348 7606 -54.3 -62.3 37 8.0 -54.4 330 21 296.0 296.0 279.6 296.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 58.50 % Est. max temperature: -4.10 C = 24.62 F Sfc-Lift cond lev (LCL): 939.68 mb = 608.05 m = 1994.90 ft T: -10.17 C 700-500 lapse rate: 6.11 C/km ThetaE index: 1.40 C Layer 1005.0-1000.0 mb Conv cond level (CCL): 859.89 mb = 1283.33 m = 4210.34 ft Mean mixing ratio: 1.23 g/kg Conv temperature: -4.09 C = 24.64 F Cap Strength: 12.91 C Lifted Index: 13.37 C Risk: None Lifted Index @300 mb: 32.03 C Lifted Index @700 mb: 6.59 C Showalter Index: 13.78 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 17.00 C K Index: -6.30 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.22 J/kg Max Up Vert Vel: 1.56 m/s Conv Inhibition (B-): 71359.14 J/kg Cap Strength: 13.27 C Lift Cond Lev (LCL): 865.35 mb = 1235.35 m = 4052.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 12 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 1014 17 0 0 -0.0 -0.0 | 161 12 -4.1 11.7 1 1000 126 330 7 3.5 -6.1 | 174 6 -0.6 5.6 2 925 730 335 15 6.3 -13.6 | 310 3 2.3 -1.9 3 850 1371 310 15 11.5 -9.6 | 255 8 7.4 2.0 4 700 2810 310 19 14.6 -12.2 | 273 11 10.5 -0.5 5 500 5200 305 17 13.9 -9.8 | 259 10 9.9 1.9 6 400 6700 305 19 15.6 -10.9 | 266 12 11.5 0.8 7 348 7606 330 21 10.5 -18.2 | 315 9 6.4 -6.5 8 300 8570 320 25 16.1 -19.2 | 302 14 12.0 -7.5 9 250 9780 315 21 14.8 -14.8 | 286 11 10.8 -3.2 10 200 11280 300 23 19.9 -11.5 | 269 16 15.9 0.2 11 150 13200 310 17 13.0 -10.9 | 265 9 9.0 0.8 12 100 15880 305 21 17.2 -12.0 | 272 13 13.1 -0.4 13 70 18220 310 15 11.5 -9.6 | 255 8 7.4 2.0 14 50 20420 325 9 5.2 -7.4 | 194 4 1.1 4.3 15 30 23720 45 9 -6.4 -6.4 | 117 12 -10.4 5.3 16 20 26340 65 17 -15.4 -7.2 | 103 20 -19.5 4.5 17 10 30960 110 35 -32.9 12.0 | 123 44 -36.9 23.6 Wind Parameters Mean winds (0-6000m): 310.9 at 16.5 knts Storm direction: 340.9 at 12.4 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 110.9 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -6.1 tot: 7.6 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 11.34 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 ------------------------------------------------------------------------------- 500 332 8 178 4| 0.0 12.5 12.5| 6.1 0.0 6.1 12.1 0.40| 12.6 5.1 1000 332 11 218 2| 0.0 7.7 7.7| 7.2 -2.1 5.1 5.1 0.29| 9.2 2.7 1500 325 13 247 3| 0.0 5.3 5.3| 7.7 -5.5 2.2 1.5 0.15| 7.5 1.1 2000 321 13 254 5| 0.0 4.3 4.3| 10.0 -5.5 4.5 2.3 0.19| 6.0 1.1 2500 318 14 259 6| 0.0 3.7 3.7| 12.3 -5.5 6.8 2.7 0.22| 5.1 1.1 3000 316 15 262 6| 0.0 3.2 3.2| 13.7 -6.1 7.6 2.5 0.22| 4.4 1.0 4000 314 16 265 7| 0.0 2.3 2.3| 13.7 -9.0 4.7 1.2 0.17| 3.4 0.6 5000 312 16 265 8| 0.0 1.8 1.8| 13.7 -11.8 1.9 0.4 0.13| 2.9 0.4 6000 311 16 264 8| 0.0 1.6 1.6| 15.7 -12.2 3.5 0.6 0.14| 2.5 0.3 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250422.12.gif