UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 29 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 -16 0 0 SFC 996 15 -5.7 -9.1 77 3.4 -6.7 0 0 267.8 268.1 266.7 273.0 1.92 2 967 246 -7.1 -14.1 57 7.0 -8.9 356 4 268.6 268.8 266.2 272.3 1.33 3 925 591 -9.9 -17.9 52 8.0 -11.6 350 11 269.2 269.4 266.0 272.0 1.01 4 850 1236 -14.9 -21.9 55 7.0 -16.2 330 19 270.5 270.7 266.5 272.8 0.78 5 814 1562 -17.5 -23.5 59 6.0 -18.5 327 19 271.1 271.3 266.8 273.2 0.71 6 700 2678 -23.7 -28.7 63 5.0 -24.4 315 21 276.2 276.3 269.8 277.8 0.51 7 697 2709 -23.7 -28.7 63 5.0 -24.4 315 21 276.6 276.7 270.0 278.1 0.51 8 541 4522 -34.1 -40.1 55 6.0 -34.5 326 13 285.0 285.0 274.4 285.7 0.22 9 500 5070 -37.1 -43.1 54 6.0 -37.4 330 11 287.8 287.8 275.8 288.4 0.17 10 489 5223 -37.7 -43.7 53 6.0 -38.0 329 12 288.9 288.9 276.4 289.5 0.16 11 400 6580 -46.5 -53.5 45 7.0 -46.7 315 21 294.6 294.6 279.0 294.8 0.07 12 378 6955 -48.1 -54.1 50 6.0 -48.3 320 19 297.2 297.3 280.2 297.5 0.06 13 332 7812 -47.5 -55.5 39 8.0 -47.7 298 13 309.3 309.3 285.1 309.5 0.06 14 310 8269 -43.9 -53.9 32 10.0 -44.3 286 10 320.5 320.5 289.0 320.8 0.08 15 300 8490 -43.3 -54.3 29 11.0 -43.8 280 9 324.3 324.3 290.2 324.6 0.08 16 283 8882 -41.5 -54.5 23 13.0 -42.2 272 8 332.4 332.4 292.4 332.7 0.08 17 250 9720 -40.9 -59.9 11 19.0 -41.8 255 5 345.3 345.3 295.6 345.5 0.05 18 209 10940 -41.3 -67.3 4 26.0 -42.4 231 7 362.8 362.8 299.2 362.9 0.02 19 200 11240 -40.7 -66.7 4 26.0 -41.9 225 7 368.3 368.3 300.3 368.4 0.02 20 150 13180 -44.3 -69.3 5 25.0 -45.4 205 9 393.7 393.7 304.3 393.8 0.02 21 145 13408 -43.5 -68.5 5 25.0 -44.7 202 9 398.9 399.0 305.1 399.1 0.03 22 102 15768 -45.3 -69.3 5 24.0 -46.7 172 11 437.7 437.7 309.7 437.9 0.03 23 100 15900 -45.3 -69.3 5 24.0 -46.7 170 11 440.2 440.2 309.9 440.4 0.03 24 87 16822 -47.9 -71.9 5 24.0 -49.1 176 12 452.9 452.9 311.1 453.0 0.03 25 72 18073 -46.1 -70.1 5 24.0 -47.9 184 13 481.9 481.9 313.6 482.1 0.04 26 70 18260 -46.7 -70.7 5 24.0 -48.4 185 13 484.5 484.5 313.8 484.7 0.04 27 50 20480 -47.9 -71.9 5 24.0 -49.9 160 11 530.6 530.6 317.0 530.9 0.05 28 45 21171 -49.3 -73.3 4 24.0 -51.2 164 11 543.4 543.4 317.8 543.7 0.04 29 45 21171 -49.1 -73.1 4 24.0 -51.1 164 11 543.9 543.9 317.8 544.2 0.04 30 37 22459 -46.7 -70.7 5 24.0 -49.5 172 10 581.4 581.4 319.8 581.9 0.07 31 30 23840 -49.1 -73.1 4 24.0 -51.8 180 9 610.8 610.8 321.1 611.3 0.06 32 29 24062 -50.7 -73.7 5 23.0 -53.1 184 9 612.3 612.4 321.2 612.8 0.06 33 20 26500 -48.5 -72.5 5 24.0 -52.2 230 7 687.7 687.8 324.0 688.6 0.11 34 18 27195 -47.7 -71.7 5 24.0 -52.0 711.3 711.3 324.8 712.5 0.13 35 13 29359 -44.5 -69.5 5 25.0 -51.1 791.7 791.9 327.1 794.2 0.25 TRP 378 6955 -48.1 -54.1 50 6.0 -48.3 320 19 297.2 297.3 280.2 297.5 0.06 WND Sounding variables and indices 1000-500 mb thick: 5086.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 58.29 % Est. max temperature: -2.86 C = 26.86 F Sfc-Lift cond lev (LCL): 943.68 mb = 435.90 m = 1430.10 ft T: -8.64 C 700-500 lapse rate: 5.60 C/km ThetaE index: 0.95 C Layer 967.0- 850.0 mb Conv cond level (CCL): 821.59 mb = 1491.85 m = 4894.48 ft Mean mixing ratio: 1.23 g/kg Conv temperature: -2.44 C = 27.60 F Cap Strength: 10.94 C Lifted Index: 12.92 C Risk: None Lifted Index @300 mb: 36.90 C Lifted Index @700 mb: 4.93 C Showalter Index: 12.54 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 15.20 C K Index: -4.70 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.75 J/kg Max Up Vert Vel: 3.39 m/s Conv Inhibition (B-): 67722.68 J/kg Cap Strength: 12.45 C Lift Cond Lev (LCL): 849.26 mb = 1242.57 m = 4076.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 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 ---------------------------------------------------------- 0 996 15 0 0 -0.0 -0.0 | 174 12 -1.2 11.6 1 925 591 350 11 1.9 -10.8 | 220 1 0.7 0.8 2 850 1236 330 19 9.5 -16.5 | 300 10 8.3 -4.8 3 700 2678 315 21 14.8 -14.8 | 283 14 13.6 -3.2 4 500 5070 330 11 5.5 -9.5 | 244 5 4.3 2.1 5 400 6580 315 21 14.8 -14.8 | 283 14 13.6 -3.2 6 378 6955 320 19 12.2 -14.6 | 285 11 11.0 -2.9 7 300 8490 280 9 8.9 -1.6 | 217 13 7.6 10.1 8 250 9720 255 5 4.8 1.3 | 196 13 3.6 12.9 9 200 11240 225 7 4.9 4.9 | 193 17 3.7 16.6 10 150 13180 205 9 3.8 8.2 | 187 20 2.6 19.8 11 100 15900 170 11 -1.9 10.8 | 172 23 -3.1 22.5 12 70 18260 185 13 1.1 13.0 | 180 25 -0.1 24.6 13 50 20480 160 11 -3.8 10.3 | 167 23 -5.0 22.0 14 30 23840 180 9 0.0 9.0 | 177 21 -1.2 20.6 15 20 26500 230 7 5.4 4.5 | 194 17 4.1 16.1 Wind Parameters Mean winds (0-6000m): 324.0 at 15.6 knts Storm direction: 354.0 at 11.7 knts Shear (0-3000m) pos: 0.2 neg: 3.6 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 108.7 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -12.6 tot: -10.3 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 17.51 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 ------------------------------------------------------------------------------- 500 350 5 177 7| 0.0 9.8 9.8| 0.8 -0.6 0.2 0.4 0.06| 9.9 0.6 1000 345 9 200 3| 0.0 8.4 8.4| 2.2 -0.6 1.6 1.6 0.24| 8.9 2.1 1500 337 12 262 4| 0.0 6.6 6.6| 2.2 -3.0 -0.8 -0.5 0.14| 7.5 1.1 2000 333 14 279 5| 0.0 5.2 5.2| 2.2 -6.5 -4.3 -2.1 0.08| 6.1 0.5 2500 329 15 283 7| 0.0 4.3 4.3| 2.2 -10.6 -8.4 -3.4 0.03| 5.3 0.1 3000 326 16 283 8| 0.2 3.6 3.8| 2.2 -12.6 -10.3 -3.4 0.01| 4.8 0.0 4000 324 17 282 9| 0.7 2.7 3.4| 2.2 -15.7 -13.5 -3.4 -0.03| 4.2 -0.1 5000 324 16 279 8| 1.0 2.1 3.2| 2.2 -20.5 -18.3 -3.7 -0.11| 3.8 -0.4 6000 324 16 277 8| 0.9 2.3 3.2| 8.7 -20.5 -11.8 -2.0 -0.01| 3.7 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250429.12.gif