UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 5 DEC 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 1026 16 -11.9 -16.9 66 5.0 -12.9 125 7 259.3 259.5 258.7 262.0 0.99 1 1001 206 -8.3 -14.3 62 6.0 -9.7 135 7 264.8 265.0 263.4 268.2 1.26 2 1000 214 -8.7 -14.7 62 6.0 -10.1 135 7 264.5 264.6 263.0 267.8 1.22 3 925 812 -12.9 -19.9 56 7.0 -14.2 60 9 266.1 266.3 263.6 268.5 0.85 4 850 1450 -18.1 -23.1 65 5.0 -18.9 35 15 267.2 267.3 264.0 269.2 0.70 5 848 1468 -18.3 -23.3 65 5.0 -19.1 34 15 267.2 267.3 264.0 269.1 0.69 6 729 2585 -23.7 -31.7 48 8.0 -24.6 351 12 273.1 273.1 267.5 274.2 0.37 7 700 2880 -26.1 -34.1 47 8.0 -26.9 340 11 273.6 273.6 267.7 274.5 0.30 8 500 5230 -42.5 -50.5 41 8.0 -42.8 345 15 281.2 281.2 272.0 281.5 0.07 9 449 5951 -47.3 -54.3 45 7.0 -47.4 343 16 284.0 284.0 273.5 284.2 0.05 10 400 6710 -51.3 -58.3 43 7.0 -51.4 340 17 288.3 288.3 275.9 288.4 0.04 11 377 7092 -53.9 -60.9 42 7.0 -54.0 338 19 289.8 289.8 276.6 289.9 0.03 12 313 8274 -58.3 -65.3 40 7.0 -58.4 330 27 299.5 299.5 281.1 299.6 0.02 13 300 8540 -58.7 -65.7 40 7.0 -58.7 335 29 302.6 302.6 282.4 302.7 0.02 14 296 8624 -58.9 -65.9 40 7.0 -59.0 334 29 303.5 303.5 282.8 303.6 0.02 15 250 9690 -57.5 -64.5 41 7.0 -57.6 325 33 320.6 320.6 288.9 320.7 0.03 16 200 11100 -58.3 -66.3 35 8.0 -58.4 325 31 340.4 340.4 294.4 340.5 0.03 17 174 11973 -57.7 -66.7 31 9.0 -57.9 323 33 355.3 355.3 297.8 355.4 0.03 18 150 12900 -59.9 -68.9 30 9.0 -60.0 320 36 366.9 366.9 300.0 367.0 0.02 19 100 15420 -62.9 -73.9 21 11.0 -63.1 315 40 406.2 406.2 306.0 406.3 0.02 20 70 17580 -70.5 -82.5 15 12.0 -70.6 310 40 433.6 433.6 309.2 433.6 0.01 21 65 18019 -72.7 -83.7 17 11.0 -72.8 310 40 438.0 438.0 309.7 438.1 0.01 22 50 19560 -74.1 -85.1 17 11.0 -74.2 310 38 468.9 468.9 312.5 468.9 0.01 23 33 21966 -76.9 -88.9 13 12.0 -77.0 520.6 520.6 316.4 520.6 0.00 TRP 313 8274 -58.3 -65.3 40 7.0 -58.4 330 27 299.5 299.5 281.1 299.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5016.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 51.11 % Est. max temperature: -4.37 C = 24.14 F Sfc-Lift cond lev (LCL): 946.36 mb = 636.89 m = 2089.52 ft T: -11.67 C 700-500 lapse rate: 6.98 C/km ThetaE index: 0.43 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 846.14 mb = 1483.82 m = 4868.11 ft Mean mixing ratio: 1.06 g/kg Conv temperature: -3.94 C = 24.90 F Cap Strength: 6.52 C Lifted Index: 11.45 C Risk: None Lifted Index @300 mb: 24.95 C Lifted Index @700 mb: 6.52 C Showalter Index: 10.04 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 19.40 C K Index: -6.70 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.37 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 41277.36 J/kg Cap Strength: 11.35 C Lift Cond Lev (LCL): 883.25 mb = 1160.49 m = 3807.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 at 9 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 1026 16 125 7 -5.7 4.0 | 175 12 -1.0 12.2 1 1000 214 135 7 -4.9 4.9 | 179 13 -0.2 13.1 2 925 812 60 9 -7.8 -4.5 | 140 5 -3.1 3.7 3 850 1450 35 15 -8.6 -12.3 | 43 6 -3.9 -4.1 4 700 2880 340 11 3.8 -10.3 | 284 9 8.5 -2.2 5 500 5230 345 15 3.9 -14.5 | 306 11 8.6 -6.3 6 400 6710 340 17 5.8 -16.0 | 307 13 10.6 -7.8 7 313 8274 330 27 13.5 -23.4 | 310 24 18.2 -15.2 8 300 8540 335 29 12.3 -26.3 | 317 25 17.0 -18.1 9 250 9690 325 33 18.9 -27.0 | 309 30 23.7 -18.9 10 200 11100 325 31 17.8 -25.4 | 307 28 22.5 -17.2 11 150 12900 320 36 23.1 -27.6 | 305 34 27.9 -19.4 12 100 15420 315 40 28.3 -28.3 | 301 39 33.0 -20.1 13 70 17580 310 40 30.6 -25.7 | 296 39 35.4 -17.5 14 50 19560 310 38 29.1 -24.4 | 296 38 33.8 -16.3 Wind Parameters Mean winds (0-6000m): 0.1 at 12.6 knts Storm direction: 30.1 at 9.4 knts Shear (0-3000m) pos: 0.0 neg: 3.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 3.1 neg: -44.0 tot: -40.9 m^2/s^2 ave: -13.6 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 40.40 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 ------------------------------------------------------------------------------- 500 121 7 173 12| 0.0 3.9 3.9| 2.7 -11.2 -8.5 -17.1 -0.46| 6.4 -3.0 1000 89 8 157 9| 0.0 5.7 5.7| 2.7 -18.9 -16.3 -16.3 -0.55| 7.3 -4.0 1500 64 10 133 6| 0.0 5.7 5.7| 2.7 -26.1 -23.4 -15.6 -0.67| 7.0 -4.7 2000 49 11 107 4| 0.0 4.4 4.4| 2.7 -32.5 -29.8 -14.9 -0.73| 6.5 -4.8 2500 39 11 75 2| 0.0 3.6 3.6| 2.7 -38.9 -36.3 -14.5 -0.76| 6.1 -4.6 3000 30 11 32 2| 0.0 3.0 3.0| 3.1 -44.0 -40.9 -13.6 -0.75| 5.6 -4.3 4000 15 12 330 3| 0.2 2.2 2.5| 7.0 -44.0 -37.0 -9.3 -0.67| 4.5 -3.0 5000 6 12 317 5| 0.4 1.8 2.2| 11.0 -44.0 -32.9 -6.6 -0.60| 3.7 -2.2 6000 0 13 313 6| 0.3 1.6 1.9| 12.1 -44.0 -31.8 -5.3 -0.56| 3.3 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251205.12.gif