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 U3955... Searching the city database file for: U3955 ... Date:1200Z 9 DEC 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1031 50 -17.1 -19.8 79 2.7 -17.5 285 3 253.8 253.9 253.7 255.9 0.77 1 1010 205 -14.3 -17.4 77 3.1 -14.9 288 4 258.1 258.3 257.6 260.7 0.96 2 1000 281 -11.9 -15.3 76 3.4 -12.6 290 5 261.2 261.4 260.5 264.4 1.16 3 990 358 -9.9 -13.5 75 3.6 -10.8 292 6 264.0 264.2 263.0 267.7 1.36 4 973 492 -9.3 -13.5 71 4.2 -10.3 295 6 265.9 266.1 264.4 269.7 1.38 5 925 882 -10.9 -16.9 61 6.0 -12.2 305 9 268.2 268.3 265.5 271.2 1.10 6 856 1474 -14.1 -20.1 60 6.0 -15.3 296 11 270.8 271.0 267.0 273.4 0.90 7 850 1527 -14.5 -21.5 55 7.0 -15.8 295 11 271.0 271.1 266.9 273.3 0.81 8 827 1734 -16.7 -23.7 55 7.0 -17.9 296 12 270.8 270.9 266.5 272.7 0.68 9 726 2696 -25.5 -28.7 75 3.2 -25.9 299 16 271.4 271.5 266.6 272.9 0.49 10 700 2961 -23.7 -28.3 66 4.6 -24.3 300 17 276.2 276.3 269.8 277.8 0.53 11 677 3205 -22.5 -30.5 48 8.0 -23.5 303 18 280.2 280.3 272.1 281.6 0.45 12 656 3436 -23.7 -34.7 36 11.0 -24.9 307 18 281.4 281.5 272.5 282.4 0.31 13 603 4044 -28.9 -40.9 31 12.0 -29.8 316 20 282.3 282.3 272.8 282.8 0.18 14 560 4569 -31.9 -45.9 24 14.0 -32.7 323 21 284.8 284.8 274.1 285.1 0.11 15 500 5360 -37.1 -44.1 48 7.0 -37.5 335 23 287.8 287.8 275.8 288.3 0.15 16 464 5875 -40.3 -46.3 53 6.0 -40.6 345 27 290.0 290.1 276.9 290.5 0.13 17 447 6129 -42.7 -48.7 52 6.0 -42.9 350 29 290.1 290.1 276.9 290.5 0.10 18 400 6870 -49.1 -55.1 50 6.0 -49.3 5 35 291.2 291.2 277.3 291.4 0.05 19 354 7660 -55.3 -61.3 47 6.0 -55.4 7 35 293.2 293.2 278.3 293.3 0.03 20 300 8700 -61.7 -67.7 45 6.0 -61.7 10 36 298.4 298.4 280.6 298.4 0.01 21 274 9255 -65.1 -71.1 43 6.0 -65.1 8 37 301.3 301.3 281.9 301.3 0.01 22 250 9810 -66.3 -72.3 43 6.0 -66.3 5 38 307.5 307.5 284.4 307.5 0.01 23 230 10312 -68.3 -74.3 42 6.0 -68.3 360 36 311.9 311.9 286.0 311.9 0.01 24 200 11150 -67.9 -73.9 42 6.0 -67.9 345 35 325.2 325.2 290.3 325.3 0.01 25 155 12682 -66.1 -72.1 43 6.0 -66.1 336 30 352.9 352.9 297.3 353.0 0.01 26 150 12880 -66.1 -72.1 43 6.0 -66.1 335 29 356.2 356.2 298.0 356.3 0.02 27 100 15340 -66.5 -72.5 43 6.0 -66.6 310 21 399.2 399.2 305.1 399.3 0.02 28 89 16043 -67.5 -73.5 42 6.0 -67.6 305 23 410.8 410.8 306.6 410.9 0.02 29 70 17480 -69.5 -75.5 41 6.0 -69.6 295 27 435.7 435.7 309.4 435.8 0.02 30 60 18396 -70.9 -76.9 41 6.0 -71.0 452.2 452.2 311.1 452.3 0.02 TRP 230 10312 -68.3 -74.3 42 6.0 -68.3 360 36 311.9 311.9 286.0 311.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5079.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 51.74 % Est. max temperature: -0.94 C = 30.30 F Sfc-Lift cond lev (LCL): 986.38 mb = 386.54 m = 1268.17 ft T: -9.77 C 700-500 lapse rate: 5.59 C/km ThetaE index: 0.67 C Layer 850.0- 726.0 mb Conv cond level (CCL): 816.74 mb = 1826.07 m = 5990.96 ft Mean mixing ratio: 1.18 g/kg Conv temperature: 0.06 C = 32.12 F Cap Strength: 15.78 C Lifted Index: 17.61 C Risk: None Lifted Index @300 mb: 22.60 C Lifted Index @700 mb: 9.68 C Showalter Index: 12.16 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 15.60 C K Index: -3.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.28 J/kg Max Up Vert Vel: 10.52 m/s Conv Inhibition (B-): 26312.33 J/kg Cap Strength: 17.31 C Lift Cond Lev (LCL): 919.60 mb = 926.70 m = 3040.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 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 1031 50 285 3 2.9 -0.8 | 181 11 0.2 11.2 1 1000 281 290 5 4.7 -1.7 | 191 10 2.0 10.3 2 925 882 305 9 7.4 -5.2 | 214 8 4.7 6.8 3 850 1527 295 11 10.0 -4.6 | 225 10 7.3 7.3 4 700 2961 300 17 14.7 -8.5 | 254 13 12.0 3.5 5 500 5360 335 23 9.7 -20.8 | 322 11 7.0 -8.9 6 400 6870 5 35 -3.1 -34.9 | 14 24 -5.8 -22.9 7 300 8700 10 36 -6.3 -35.5 | 21 25 -9.0 -23.5 8 250 9810 5 38 -3.3 -37.9 | 13 27 -6.0 -25.9 9 230 10312 360 36 -0.0 -36.0 | 6 24 -2.7 -24.0 10 200 11150 345 35 9.1 -33.8 | 344 23 6.4 -21.8 11 150 12880 335 29 12.3 -26.3 | 326 17 9.5 -14.3 12 100 15340 310 21 16.1 -13.5 | 276 13 13.4 -1.5 13 70 17480 295 27 24.5 -11.4 | 268 22 21.8 0.6 Wind Parameters Mean winds (0-6000m): 317.3 at 16.4 knts Storm direction: 347.3 at 12.3 knts Shear (0-3000m) pos: 2.2 neg: 0.4 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 74.8 deg Storm rel helicity (0-3000m) pos: 37.2 neg: 0.0 tot: 37.2 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.87 Bulk Shear: 19.27 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 ------------------------------------------------------------------------------- 500 292 5 191 10| 4.0 0.0 4.0| 9.9 0.0 9.9 19.7 0.90| 4.1 3.7 1000 299 7 200 9| 3.5 0.0 3.5| 16.0 0.0 16.0 16.0 0.89| 3.6 3.2 1500 299 8 207 9| 2.3 0.7 3.0| 19.1 0.0 19.1 12.8 0.82| 3.1 2.6 2000 298 9 214 9| 2.3 0.5 2.8| 24.9 0.0 24.9 12.4 0.85| 2.9 2.4 2500 298 10 220 10| 2.3 0.4 2.7| 30.8 0.0 30.8 12.3 0.86| 2.7 2.4 3000 298 11 226 10| 2.2 0.4 2.6| 37.2 0.0 37.2 12.4 0.87| 2.7 2.3 4000 302 13 238 10| 2.1 0.3 2.4| 53.4 0.0 53.4 13.3 0.90| 2.7 2.4 5000 309 15 252 9| 2.0 0.2 2.3| 70.5 0.0 70.5 14.1 0.92| 2.8 2.5 6000 317 16 270 8| 2.4 0.2 2.5|100.1 0.0 100.1 16.7 0.90| 3.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251209.12.gif