UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 6 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 1030 24 -14.3 -18.8 69 4.5 -15.1 140 9 256.7 256.8 256.2 258.9 0.84 1 1001 242 -8.7 -15.7 57 7.0 -10.3 87 7 264.4 264.6 262.8 267.5 1.12 2 1000 250 -8.9 -15.9 57 7.0 -10.5 85 7 264.2 264.4 262.7 267.3 1.10 3 956 596 -11.3 -20.3 47 9.0 -13.0 62 12 265.2 265.4 262.8 267.5 0.80 4 925 847 -12.7 -21.7 47 9.0 -14.3 45 15 266.3 266.4 263.5 268.4 0.73 5 850 1487 -17.7 -23.7 59 6.0 -18.6 30 23 267.6 267.7 264.3 269.5 0.66 6 829 1674 -18.5 -23.5 65 5.0 -19.3 27 22 268.7 268.8 265.1 270.7 0.69 7 747 2443 -23.7 -31.7 48 8.0 -24.6 13 18 271.2 271.2 266.2 272.2 0.36 8 700 2916 -25.1 -34.1 43 9.0 -26.0 5 15 274.7 274.7 268.4 275.6 0.30 9 585 4191 -34.3 -44.3 36 10.0 -34.8 21 18 278.4 278.5 270.4 278.8 0.13 10 549 4632 -37.1 -48.1 31 11.0 -37.6 27 19 280.2 280.2 271.4 280.5 0.09 11 500 5270 -41.5 -51.5 33 10.0 -41.8 35 21 282.4 282.5 272.7 282.7 0.07 12 441 6111 -47.9 -55.9 39 8.0 -48.1 27 22 284.7 284.7 273.9 284.8 0.04 13 400 6750 -51.5 -59.5 38 8.0 -51.6 20 23 288.1 288.1 275.7 288.2 0.03 14 304 8497 -59.9 -67.9 34 8.0 -60.0 15 31 299.8 299.8 281.3 299.8 0.01 15 300 8580 -60.1 -68.1 34 8.0 -60.2 15 31 300.6 300.6 281.6 300.7 0.01 16 296 8664 -60.3 -68.3 34 8.0 -60.4 14 31 301.5 301.5 282.0 301.5 0.01 17 250 9720 -59.3 -67.3 35 8.0 -59.4 360 29 317.9 317.9 288.1 318.0 0.02 18 200 11120 -60.5 -69.5 30 9.0 -60.6 345 29 337.0 337.0 293.6 337.0 0.02 19 174 11986 -58.9 -67.9 30 9.0 -59.0 340 28 353.3 353.3 297.4 353.4 0.02 20 150 12910 -60.7 -69.7 30 9.0 -60.8 335 27 365.5 365.5 299.8 365.6 0.02 21 100 15420 -63.9 -73.9 24 10.0 -64.0 315 33 404.3 404.3 305.8 404.4 0.02 22 70 17580 -68.7 -79.7 19 11.0 -68.8 310 33 437.4 437.4 309.6 437.5 0.01 23 61 18395 -72.3 -83.3 18 11.0 -72.4 312 31 447.0 447.0 310.6 447.0 0.01 24 50 19560 -73.5 -84.5 17 11.0 -73.6 315 27 470.3 470.3 312.7 470.3 0.01 25 37 21300 -78.3 -89.3 15 11.0 -78.4 500.3 500.3 314.9 500.3 0.00 TRP 304 8497 -59.9 -67.9 34 8.0 -60.0 15 31 299.8 299.8 281.3 299.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5020.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 45.32 % Est. max temperature: -3.79 C = 25.17 F Sfc-Lift cond lev (LCL): 957.32 mb = 585.04 m = 1919.40 ft T: -11.23 C 700-500 lapse rate: 6.97 C/km ThetaE index: 0.17 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 789.12 mb = 2037.73 m = 6685.38 ft Mean mixing ratio: 0.91 g/kg Conv temperature: -0.99 C = 30.21 F Cap Strength: 11.92 C Lifted Index: 13.32 C Risk: None Lifted Index @300 mb: 24.31 C Lifted Index @700 mb: 8.40 C Showalter Index: 10.75 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 17.80 C K Index: -8.90 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.23 J/kg Max Up Vert Vel: 7.38 m/s Conv Inhibition (B-): 39498.55 J/kg Cap Strength: 13.11 C Lift Cond Lev (LCL): 867.09 mb = 1336.31 m = 4384.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 58 at 13 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 1030 24 140 9 -5.8 6.9 | 201 15 5.5 14.0 1 1000 250 85 7 -7.0 -0.6 | 213 8 4.3 6.5 2 925 847 45 15 -10.6 -10.6 | 349 4 0.7 -3.5 3 850 1487 30 23 -11.5 -19.9 | 1 13 -0.2 -12.8 4 700 2916 5 15 -1.3 -14.9 | 308 13 10.0 -7.8 5 500 5270 35 21 -12.0 -17.2 | 4 10 -0.8 -10.1 6 400 6750 20 23 -7.9 -21.6 | 347 15 3.4 -14.5 7 304 8497 15 31 -8.0 -29.9 | 352 23 3.2 -22.8 8 300 8580 15 31 -8.0 -29.9 | 352 23 3.2 -22.8 9 250 9720 360 29 -0.0 -29.0 | 333 25 11.3 -21.9 10 200 11120 345 29 7.5 -28.0 | 318 28 18.8 -20.9 11 150 12910 335 27 11.4 -24.5 | 307 29 22.7 -17.3 12 100 15420 315 33 23.3 -23.3 | 295 38 34.6 -16.2 13 70 17580 310 33 25.3 -21.2 | 291 39 36.5 -14.1 14 50 19560 315 27 19.1 -19.1 | 291 33 30.4 -12.0 Wind Parameters Mean winds (0-6000m): 27.6 at 17.8 knts Storm direction: 57.6 at 13.3 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 108.7 deg Storm rel helicity (0-3000m) pos: 7.9 neg: -39.8 tot: -31.9 m^2/s^2 ave: -10.6 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 33.44 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 91 8 201 8| 0.0 12.2 12.2| 4.1 -1.3 2.8 5.7 0.09| 12.5 1.1 1000 61 11 219 2| 0.0 10.6 10.6| 6.0 -1.3 4.7 4.7 0.25| 11.1 2.8 1500 47 14 343 3| 0.0 9.4 9.4| 6.6 -3.1 3.4 2.3 0.18| 9.8 1.8 2000 40 16 348 5| 0.0 6.6 6.6| 6.6 -17.3 -10.7 -5.4 0.03| 8.4 0.2 2500 34 17 344 7| 0.0 4.9 4.9| 6.6 -30.3 -23.7 -9.5 -0.08| 7.6 -0.6 3000 30 16 338 8| 0.0 3.8 3.8| 7.9 -39.8 -31.9 -10.6 -0.14| 6.9 -1.0 4000 26 17 332 9| 0.6 2.9 3.5| 21.1 -39.8 -18.6 -4.7 -0.03| 5.7 -0.2 5000 26 17 335 9| 1.0 2.3 3.3| 34.7 -39.8 -5.1 -1.0 0.07| 5.1 0.4 6000 28 18 341 9| 0.9 2.1 2.9| 37.8 -45.1 -7.3 -1.2 0.06| 4.6 0.3 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251206.00.gif