UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U0674... Searching the city database file for: U0674 ... Date:1200Z 9 DEC 25 Station: U0674 WMO ident: 20674 Latitude: 73.53 Longitude: 80.40 ------------------------------------------------------------------------------- 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 1007 48 -16.3 -19.5 76 3.2 -16.8 10 13 256.3 256.5 255.9 258.5 0.81 1 1000 100 -17.1 -21.3 70 4.2 -17.7 10 15 256.0 256.2 255.4 257.9 0.70 2 925 678 -22.5 -25.3 78 2.8 -22.8 15 17 256.3 256.4 255.2 257.8 0.53 3 923 694 -22.7 -25.4 79 2.7 -23.0 15 17 256.3 256.3 255.2 257.7 0.52 4 883 1020 -21.1 -24.9 71 3.8 -21.6 10 18 261.2 261.3 259.3 262.8 0.57 5 850 1301 -22.7 -28.7 58 6.0 -23.4 5 19 262.4 262.4 259.9 263.6 0.42 6 778 1946 -26.3 -34.3 47 8.0 -27.0 3 20 265.2 265.3 261.7 266.0 0.27 7 760 2115 -27.3 -35.3 47 8.0 -27.9 2 20 265.9 266.0 262.2 266.7 0.25 8 700 2705 -29.3 -35.3 56 6.0 -29.8 360 21 270.0 270.1 265.2 270.9 0.27 9 675 2965 -30.1 -35.1 62 5.0 -30.5 359 21 272.0 272.0 266.6 272.8 0.29 10 585 3971 -36.7 -41.0 64 4.3 -37.0 357 23 275.6 275.7 268.8 276.2 0.18 11 519 4789 -43.3 -47.9 60 4.6 -43.5 356 25 277.3 277.3 269.7 277.6 0.10 12 500 5040 -44.9 -49.4 61 4.5 -45.0 355 25 278.3 278.3 270.2 278.6 0.08 13 400 6500 -54.5 -59.0 57 4.5 -54.6 350 25 284.2 284.2 273.6 284.3 0.03 14 386 6726 -56.1 -60.4 58 4.3 -56.2 349 26 285.0 285.0 274.0 285.1 0.03 15 306 8177 -60.7 -64.9 58 4.2 -60.7 340 31 298.1 298.1 280.5 298.2 0.02 16 300 8300 -60.7 -64.9 58 4.2 -60.7 340 31 299.8 299.8 281.3 299.9 0.02 17 298 8342 -60.9 -65.0 58 4.1 -60.9 340 31 300.1 300.1 281.4 300.1 0.02 18 255 9324 -57.9 -62.6 55 4.7 -58.0 340 27 318.2 318.2 288.2 318.3 0.03 19 250 9450 -57.9 -62.6 55 4.7 -58.0 340 27 320.0 320.0 288.8 320.1 0.03 20 200 10850 -58.1 -64.1 46 6.0 -58.2 335 27 340.8 340.8 294.6 340.9 0.03 21 165 12056 -59.1 -65.1 46 6.0 -59.2 332 22 358.4 358.4 298.4 358.5 0.04 22 150 12650 -60.9 -67.9 39 7.0 -61.0 330 19 365.2 365.2 299.7 365.3 0.03 23 100 15150 -65.1 -73.1 32 8.0 -65.2 345 13 401.9 402.0 305.5 402.0 0.02 24 70 17300 -69.5 -78.5 26 9.0 -69.6 315 9 435.7 435.7 309.4 435.8 0.01 25 55 18722 -73.1 -82.1 24 9.0 -73.2 9 6 458.6 458.6 311.7 458.6 0.01 26 50 19280 -72.9 -81.9 24 9.0 -73.0 30 5 471.7 471.7 312.8 471.8 0.01 27 34 21530 -75.1 -84.1 23 9.0 -75.2 520.9 520.9 316.4 521.0 0.01 TRP 306 8177 -60.7 -64.9 58 4.2 -60.7 340 31 298.1 298.1 280.5 298.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4940.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 61.49 % Est. max temperature: -10.52 C = 13.07 F Sfc-Lift cond lev (LCL): 955.67 mb = 436.16 m = 1430.96 ft T: -20.24 C 700-500 lapse rate: 6.68 C/km ThetaE index: 0.82 C Layer 1000.0- 883.0 mb Conv cond level (CCL): 794.59 mb = 1792.16 m = 5879.73 ft Mean mixing ratio: 0.61 g/kg Conv temperature: -8.08 C = 17.46 F Cap Strength: 16.04 C Lifted Index: 16.66 C Risk: None Lifted Index @300 mb: 29.57 C Lifted Index @700 mb: 11.29 C Showalter Index: 12.15 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 16.20 C K Index: -12.50 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.34 J/kg Max Up Vert Vel: 2.95 m/s Conv Inhibition (B-): 43409.23 J/kg Cap Strength: 16.52 C Lift Cond Lev (LCL): 905.18 mb = 837.54 m = 2747.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 at 16 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 1007 48 10 13 -2.3 -12.8 | 258 6 5.7 1.2 1 1000 100 10 15 -2.6 -14.8 | 278 5 5.4 -0.8 2 925 678 15 17 -4.4 -16.4 | 304 4 3.6 -2.4 3 850 1301 5 19 -1.7 -18.9 | 308 8 6.3 -5.0 4 700 2705 360 21 -0.0 -21.0 | 311 11 8.0 -7.0 5 500 5040 355 25 2.2 -24.9 | 317 15 10.1 -10.9 6 400 6500 350 25 4.3 -24.6 | 311 16 12.3 -10.6 7 306 8177 340 31 10.6 -29.1 | 309 24 18.6 -15.2 8 300 8300 340 31 10.6 -29.1 | 309 24 18.6 -15.2 9 250 9450 340 27 9.2 -25.4 | 304 21 17.2 -11.4 10 200 10850 335 27 11.4 -24.5 | 298 22 19.4 -10.5 11 150 12650 330 19 9.5 -16.5 | 278 18 17.5 -2.5 12 100 15150 345 13 3.4 -12.6 | 263 11 11.3 1.4 13 70 17300 315 9 6.4 -6.4 | 242 16 14.3 7.6 14 50 19280 30 5 -2.5 -4.3 | 210 11 5.5 9.6 Wind Parameters Mean winds (0-6000m): 359.7 at 21.4 knts Storm direction: 29.7 at 16.1 knts Shear (0-3000m) pos: 0.6 neg: 1.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 54.3 deg Storm rel helicity (0-3000m) pos: 8.0 neg: 0.0 tot: 8.0 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 6.52 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 12 16 285 5| 3.8 0.0 3.8| 5.0 0.0 5.0 9.9 0.93| 4.0 3.7 1000 12 16 295 5| 1.9 1.1 3.0| 6.0 0.0 6.0 6.0 0.69| 3.3 2.3 1500 10 17 301 6| 1.3 1.4 2.7| 6.3 0.0 6.3 4.2 0.54| 2.9 1.6 2000 8 18 304 7| 0.9 1.3 2.3| 6.8 0.0 6.8 3.4 0.51| 2.4 1.2 2500 6 18 306 7| 0.8 1.2 2.0| 7.2 0.0 7.2 2.9 0.48| 2.1 1.0 3000 5 19 308 8| 0.6 1.2 1.8| 8.0 0.0 8.0 2.7 0.46| 1.9 0.9 4000 3 20 310 9| 0.5 1.1 1.6| 9.9 0.0 9.9 2.5 0.44| 1.7 0.7 5000 1 21 312 10| 0.4 1.1 1.5| 11.3 0.0 11.3 2.3 0.41| 1.6 0.6 6000 360 21 313 11| 0.3 1.0 1.3| 11.3 -4.8 6.5 1.1 0.30| 1.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//U0674/skewt/U0674.skewt.20251209.12.gif