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 U3921... Searching the city database file for: U3921 ... Date:0000Z 6 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1009 95 -7.1 -8.6 89 1.5 -7.5 0 0 265.4 265.7 265.1 270.7 1.97 1 1005 126 -1.7 -4.4 82 2.7 -2.7 349 0 271.1 271.5 270.2 278.5 2.74 2 1000 165 -2.1 -4.3 85 2.2 -2.9 335 1 271.0 271.5 270.2 278.6 2.77 3 935 696 -5.3 -9.6 72 4.3 -6.6 313 11 273.0 273.4 270.2 278.5 1.97 4 925 780 -5.9 -10.0 73 4.1 -7.1 310 13 273.3 273.6 270.3 278.7 1.93 5 903 969 -5.9 -9.9 73 4.0 -7.1 313 12 275.2 275.5 271.6 280.8 1.99 6 850 1439 -9.5 -12.9 76 3.4 -10.4 320 11 276.2 276.5 271.7 280.9 1.66 7 765 2243 -15.5 -17.6 84 2.1 -16.0 309 16 278.2 278.4 272.2 281.8 1.25 8 753 2363 -14.5 -16.8 83 2.3 -15.0 308 17 280.5 280.7 273.7 284.5 1.36 9 715 2755 -13.9 -19.9 60 6.0 -15.2 302 20 285.4 285.5 276.0 288.7 1.10 10 700 2916 -14.7 -22.7 51 8.0 -16.3 300 21 286.2 286.4 276.1 288.9 0.88 11 631 3693 -19.3 -27.3 49 8.0 -20.7 298 27 289.6 289.7 277.4 291.6 0.65 12 554 4645 -26.9 -32.9 57 6.0 -27.6 297 34 291.6 291.6 278.1 293.0 0.43 13 528 4991 -27.7 -32.4 64 4.7 -28.3 296 37 294.6 294.7 279.6 296.2 0.48 14 500 5380 -30.5 -34.5 68 4.0 -30.9 295 40 295.9 295.9 280.1 297.2 0.41 15 480 5669 -32.5 -36.4 68 3.9 -32.9 295 41 296.9 296.9 280.5 298.0 0.35 16 400 6930 -42.3 -46.7 62 4.4 -42.5 295 46 300.0 300.0 281.5 300.5 0.14 17 300 8810 -56.5 -60.7 59 4.2 -56.6 290 48 305.7 305.7 283.7 305.8 0.04 18 294 8938 -58.1 -62.5 57 4.4 -58.2 290 47 305.2 305.2 283.5 305.3 0.03 19 262 9659 -61.7 -65.9 57 4.2 -61.7 290 44 310.2 310.2 285.4 310.2 0.02 20 250 9950 -62.3 -66.6 56 4.3 -62.3 290 42 313.4 313.4 286.6 313.5 0.02 21 245 10074 -63.1 -67.5 55 4.4 -63.1 295 42 314.1 314.1 286.8 314.1 0.02 22 234 10357 -63.3 -67.7 55 4.4 -63.3 295 43 317.9 317.9 288.1 318.0 0.02 23 229 10490 -62.3 -66.6 56 4.3 -62.3 295 44 321.4 321.4 289.2 321.5 0.02 24 200 11330 -59.9 -64.2 57 4.3 -60.0 295 48 337.9 337.9 293.9 338.0 0.03 25 169 12377 -58.7 -63.4 55 4.7 -58.8 295 48 356.6 356.6 298.1 356.8 0.04 26 150 13120 -59.7 -64.6 53 4.9 -59.8 295 48 367.2 367.2 300.1 367.4 0.04 27 102 15517 -60.9 -66.9 45 6.0 -61.0 300 48 407.7 407.8 306.3 408.0 0.05 28 100 15640 -61.7 -67.7 45 6.0 -61.9 300 48 408.5 408.5 306.3 408.7 0.04 29 70 17820 -66.9 -73.9 37 7.0 -67.0 300 42 441.3 441.3 310.0 441.4 0.02 30 57 19046 -70.9 -78.9 30 8.0 -71.0 294 46 458.9 458.9 311.7 459.0 0.01 31 50 19820 -71.5 -79.5 29 8.0 -71.6 290 48 475.0 475.0 313.1 475.1 0.01 32 38 21427 -76.3 -84.3 27 8.0 -76.4 293 49 501.6 501.6 315.1 501.6 0.01 33 30 22790 -77.5 -85.5 26 8.0 -77.6 295 50 533.4 533.4 317.1 533.4 0.01 34 26 23607 -79.1 -87.1 26 8.0 -79.1 551.1 551.1 318.2 551.1 0.01 TRP 245 10074 -63.1 -67.5 55 4.4 -63.1 295 42 314.1 314.1 286.8 314.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5215.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 65.91 % Est. max temperature: 3.58 C = 38.44 F Sfc-Lift cond lev (LCL): 985.06 mb = 283.89 m = 931.39 ft T: -2.82 C 700-500 lapse rate: 6.41 C/km ThetaE index: 0.05 C Layer 935.0- 925.0 mb Conv cond level (CCL): 859.11 mb = 1356.08 m = 4449.04 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 3.58 C = 38.44 F Cap Strength: 13.88 C Lifted Index: 14.54 C Risk: None Lifted Index @300 mb: 19.24 C Lifted Index @700 mb: 9.07 C Showalter Index: 12.66 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.60 C K Index: 0.10 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.17 J/kg Max Up Vert Vel: 4.73 m/s Conv Inhibition (B-): 41437.26 J/kg Cap Strength: 14.34 C Lift Cond Lev (LCL): 909.52 mb = 912.18 m = 2992.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 at 18 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 1009 95 0 0 -0.0 -0.0 | 149 18 -9.1 15.3 1 1000 165 335 1 0.4 -0.9 | 149 17 -8.6 14.4 2 925 780 310 13 10.0 -8.4 | 187 7 0.9 6.9 3 850 1439 320 11 7.1 -8.4 | 164 7 -2.0 6.9 4 700 2916 300 21 18.2 -10.5 | 242 10 9.1 4.8 5 500 5380 295 40 36.3 -16.9 | 273 27 27.2 -1.6 6 400 6930 295 46 41.7 -19.4 | 277 33 32.6 -4.1 7 300 8810 290 48 45.1 -16.4 | 272 36 36.1 -1.1 8 250 9950 290 42 39.5 -14.4 | 268 30 30.4 0.9 9 245 10074 295 42 38.1 -17.7 | 275 29 29.0 -2.4 10 200 11330 295 48 43.5 -20.3 | 278 35 34.4 -5.0 11 150 13120 295 48 43.5 -20.3 | 278 35 34.4 -5.0 12 100 15640 300 48 41.6 -24.0 | 285 34 32.5 -8.7 13 70 17820 300 42 36.4 -21.0 | 282 28 27.3 -5.7 14 50 19820 290 48 45.1 -16.4 | 272 36 36.1 -1.1 15 30 22790 295 50 45.3 -21.1 | 279 37 36.3 -5.8 Wind Parameters Mean winds (0-6000m): 299.4 at 23.7 knts Storm direction: 329.4 at 17.8 knts Shear (0-3000m) pos: 0.1 neg: 3.9 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 32.1 neg: -5.3 tot: 26.8 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 50.42 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 ------------------------------------------------------------------------------- 500 319 5 153 13| 0.0 9.7 9.7| 7.1 -0.6 6.5 13.0 0.24| 9.8 2.4 1000 312 8 163 10| 0.0 6.2 6.2| 13.8 -3.0 10.8 10.8 0.29| 7.6 2.2 1500 314 9 165 9| 0.2 4.1 4.4| 15.1 -5.3 9.8 6.5 0.22| 5.8 1.3 2000 314 10 169 8| 0.2 4.0 4.2| 20.6 -5.3 15.3 7.6 0.35| 5.3 1.9 2500 312 12 178 7| 0.1 3.9 4.0| 26.1 -5.3 20.8 8.3 0.43| 5.1 2.2 3000 308 13 191 7| 0.1 3.9 4.0| 32.1 -5.3 26.8 8.9 0.45| 4.9 2.2 4000 304 16 217 8| 0.1 3.9 4.0| 47.9 -5.3 42.6 10.7 0.47| 4.7 2.2 5000 301 20 239 9| 0.1 3.9 4.0| 61.5 -5.3 56.2 11.2 0.44| 4.6 2.0 6000 299 24 252 12| 0.1 3.7 3.7| 72.1 -5.3 66.8 11.1 0.43| 4.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251206.00.gif