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 U0744... Searching the city database file for: U0744 ... Date:0000Z 30 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 ------------------------------------------------------------------------------- 0 1000 -20 0 0 SFC 995 19 -6.3 -7.9 88 1.6 -6.8 0 0 267.2 267.6 266.7 272.9 2.11 2 979 146 -6.1 -9.4 77 3.3 -7.1 354 3 268.7 269.0 267.3 273.9 1.91 3 925 586 -9.9 -13.6 74 3.7 -10.8 335 15 269.2 269.4 266.8 273.2 1.44 4 850 1231 -15.3 -17.5 83 2.2 -15.7 305 15 270.1 270.3 266.9 273.3 1.14 5 778 1892 -20.9 -23.0 83 2.1 -21.2 312 18 271.0 271.2 266.8 273.3 0.77 6 700 2666 -24.9 -27.7 77 2.8 -25.2 320 21 274.9 275.0 269.0 276.6 0.56 7 664 3050 -26.1 -28.9 77 2.8 -26.5 317 20 277.7 277.8 270.7 279.3 0.53 8 529 4661 -36.7 -40.9 65 4.2 -37.0 303 14 283.7 283.7 273.6 284.3 0.20 9 500 5050 -38.9 -43.2 64 4.3 -39.1 300 13 285.6 285.6 274.6 286.2 0.17 10 439 5931 -43.5 -47.5 65 4.0 -43.7 291 15 290.6 290.6 277.2 291.0 0.12 11 410 6387 -46.5 -50.6 63 4.1 -46.6 287 17 292.5 292.5 278.0 292.8 0.09 12 400 6550 -47.1 -51.4 61 4.3 -47.2 285 17 293.8 293.8 278.6 294.1 0.08 13 379 6907 -48.3 -52.9 59 4.6 -48.4 285 17 296.8 296.8 280.0 297.0 0.07 14 358 7283 -48.7 -53.7 56 5.0 -48.8 281 14 301.1 301.1 281.9 301.4 0.07 15 305 8349 -43.9 -50.9 46 7.0 -44.2 271 4 322.0 322.0 289.5 322.4 0.12 16 300 8460 -43.5 -50.5 46 7.0 -43.9 270 3 324.0 324.1 290.1 324.5 0.12 17 263 9347 -41.1 -52.1 30 11.0 -41.8 238 4 340.0 340.0 294.4 340.5 0.12 18 250 9690 -41.5 -53.5 26 12.0 -42.2 225 5 344.4 344.4 295.4 344.8 0.10 19 214 10742 -41.7 -56.7 18 15.0 -42.6 201 5 359.7 359.7 298.7 360.1 0.08 20 200 11200 -41.9 -57.9 16 16.0 -42.8 190 5 366.4 366.4 300.0 366.8 0.08 21 172 12219 -42.7 -59.7 14 17.0 -43.7 174 4 381.3 381.3 302.5 381.6 0.07 22 150 13140 -43.7 -60.7 14 17.0 -44.7 160 3 394.8 394.8 304.5 395.1 0.07 23 102 15728 -45.3 -64.3 10 19.0 -46.6 174 11 437.7 437.7 309.7 438.1 0.07 24 100 15860 -45.3 -64.3 10 19.0 -46.6 175 11 440.2 440.2 309.9 440.6 0.07 25 70 18230 -46.7 -69.7 6 23.0 -48.4 165 13 484.5 484.5 313.8 484.8 0.05 26 58 19473 -47.9 -71.9 5 24.0 -49.7 171 12 508.5 508.6 315.5 508.8 0.04 27 50 20450 -48.7 -72.7 5 24.0 -50.5 175 11 528.7 528.7 316.9 529.0 0.04 28 49 20583 -48.7 -72.7 5 24.0 -50.6 176 11 531.8 531.8 317.1 532.0 0.04 29 43 21446 -45.7 -69.7 5 24.0 -48.4 181 9 559.4 559.4 318.6 559.9 0.07 30 35 22801 -50.3 -74.3 4 24.0 -52.4 189 7 581.3 581.3 319.8 581.6 0.05 31 30 23810 -48.7 -72.7 5 24.0 -51.5 195 5 611.9 611.9 321.2 612.4 0.07 32 21 26167 -45.9 -69.9 5 24.0 -50.4 133 5 686.0 686.1 324.0 687.3 0.15 33 20 26490 -47.7 -71.7 5 24.0 -51.7 125 5 690.2 690.2 324.1 691.2 0.12 34 14 28848 -47.1 -71.1 5 24.0 -52.4 766.3 766.4 326.4 768.1 0.19 35 13 29344 -42.9 -67.9 5 25.0 -50.1 797.3 797.4 327.3 800.4 0.32 TRP 379 6907 -48.3 -52.9 59 4.6 -48.4 285 17 296.8 296.8 280.0 297.0 0.07 WND Sounding variables and indices 1000-500 mb thick: 5070.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 75.62 % Est. max temperature: -3.35 C = 25.96 F Sfc-Lift cond lev (LCL): 969.90 mb = 218.21 m = 715.90 ft T: -6.73 C 700-500 lapse rate: 5.87 C/km ThetaE index: 0.70 C Layer 925.0- 850.0 mb Conv cond level (CCL): 886.77 mb = 907.98 m = 2978.91 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -3.87 C = 25.03 F Cap Strength: 8.87 C Lifted Index: 10.24 C Risk: None Lifted Index @300 mb: 35.87 C Lifted Index @700 mb: 2.85 C Showalter Index: 10.30 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.40 C K Index: 3.30 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.48 J/kg Max Up Vert Vel: 2.99 m/s Conv Inhibition (B-): 70595.87 J/kg Cap Strength: 9.89 C Lift Cond Lev (LCL): 896.88 mb = 821.47 m = 2695.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 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 ---------------------------------------------------------- 0 995 19 0 0 -0.0 -0.0 | 162 12 -3.7 11.2 1 925 586 335 15 6.3 -13.6 | 312 4 2.6 -2.4 2 850 1231 305 15 12.3 -8.6 | 253 9 8.6 2.6 3 700 2666 320 21 13.5 -16.1 | 296 11 9.8 -4.9 4 500 5050 300 13 11.3 -6.5 | 238 9 7.6 4.7 5 400 6550 285 17 16.4 -4.4 | 242 14 12.7 6.8 6 379 6907 285 17 16.4 -4.4 | 242 14 12.7 6.8 7 300 8460 270 3 3.0 -0.0 | 176 11 -0.7 11.2 8 250 9690 225 5 3.5 3.5 | 179 15 -0.2 14.7 9 200 11200 190 5 0.9 4.9 | 170 16 -2.8 16.1 10 150 13140 160 3 -1.0 2.8 | 161 15 -4.7 14.0 11 100 15860 175 11 -1.0 11.0 | 168 23 -4.7 22.2 12 70 18230 165 13 -3.4 12.6 | 163 25 -7.1 23.8 13 50 20450 175 11 -1.0 11.0 | 168 23 -4.7 22.2 14 30 23810 195 5 1.3 4.8 | 171 16 -2.4 16.0 15 20 26490 125 5 -4.1 2.9 | 151 16 -7.8 14.1 Wind Parameters Mean winds (0-6000m): 311.7 at 15.7 knts Storm direction: 341.7 at 11.8 knts Shear (0-3000m) pos: 0.9 neg: 2.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 126.8 deg Storm rel helicity (0-3000m) pos: 18.4 neg: -15.0 tot: 3.4 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 13.24 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 ------------------------------------------------------------------------------- 500 335 7 171 5| 0.0 13.6 13.6| 0.3 -3.3 -3.0 -5.9 0.18| 15.0 2.7 1000 329 11 223 3| 0.0 7.7 7.7| 0.3 -8.3 -7.9 -7.9 -0.05| 11.1 -0.6 1500 320 12 247 5| 0.0 5.6 5.6| 3.6 -11.5 -7.9 -5.2 -0.05| 8.7 -0.5 2000 317 14 257 6| 0.7 4.2 4.8| 9.9 -11.5 -1.5 -0.8 0.04| 7.2 0.3 2500 317 15 266 6| 1.1 3.3 4.4| 16.9 -11.5 5.4 2.2 0.12| 6.3 0.8 3000 318 16 273 7| 0.9 2.7 3.6| 18.4 -15.0 3.4 1.1 0.09| 5.6 0.5 4000 316 16 275 8| 0.7 1.7 2.4| 18.4 -25.5 -7.1 -1.8 -0.03| 4.8 -0.1 5000 315 16 271 8| 0.5 1.1 1.6| 18.4 -35.0 -16.6 -3.3 -0.12| 4.2 -0.5 6000 312 16 265 8| 0.5 1.2 1.6| 20.1 -35.1 -15.0 -2.5 -0.10| 3.8 -0.4 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250430.00.gif