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 U0046... Searching the city database file for: U0046 ... Date:0000Z 6 DEC 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1020 29 -5.7 -8.9 78 3.2 -6.6 290 7 265.9 266.2 265.4 271.1 1.91 1 1000 184 -7.3 -11.2 74 3.9 -8.4 325 9 265.9 266.1 264.8 270.3 1.62 2 956 533 -9.7 -12.3 81 2.6 -10.4 290 15 266.9 267.1 265.4 271.1 1.55 3 943 638 -9.5 -11.6 85 2.1 -10.1 280 17 268.1 268.4 266.5 272.7 1.67 4 925 787 -10.5 -12.2 87 1.7 -10.9 265 19 268.6 268.8 266.7 273.0 1.62 5 850 1432 -15.5 -17.1 88 1.6 -15.8 280 25 269.9 270.1 266.8 273.2 1.18 6 712 2744 -25.1 -26.5 88 1.4 -25.3 285 30 273.4 273.5 268.1 275.2 0.62 7 703 2836 -25.3 -26.6 89 1.3 -25.5 285 31 274.1 274.2 268.6 276.0 0.62 8 700 2867 -25.7 -27.0 89 1.3 -25.9 285 31 274.0 274.1 268.5 275.8 0.60 9 684 3035 -26.5 -28.4 84 1.9 -26.7 286 31 275.0 275.0 269.0 276.6 0.54 10 655 3349 -25.5 -31.5 57 6.0 -26.2 287 31 279.5 279.6 271.6 280.8 0.42 11 611 3851 -28.1 -40.1 31 12.0 -29.0 289 30 282.1 282.2 272.8 282.7 0.19 12 549 4611 -33.7 -39.7 55 6.0 -34.1 292 30 284.2 284.3 274.0 285.0 0.22 13 500 5260 -39.1 -43.9 60 4.8 -39.4 295 29 285.4 285.4 274.5 285.9 0.16 14 423 6377 -48.9 -52.8 64 3.9 -49.0 299 32 286.8 286.8 275.1 287.0 0.07 15 407 6628 -51.1 -54.9 64 3.8 -51.2 300 33 287.1 287.2 275.3 287.3 0.05 16 400 6740 -52.1 -55.9 63 3.8 -52.2 300 33 287.3 287.3 275.3 287.4 0.05 17 315 8249 -62.5 -66.1 62 3.6 -62.5 321 39 293.1 293.1 278.2 293.2 0.02 18 300 8550 -62.7 -66.4 61 3.7 -62.7 325 40 297.0 297.0 280.0 297.0 0.02 19 287 8822 -63.7 -67.3 61 3.6 -63.7 320 40 299.3 299.3 281.1 299.4 0.02 20 250 9670 -63.1 -66.8 61 3.7 -63.1 335 29 312.3 312.3 286.2 312.3 0.02 21 228 10237 -61.5 -65.3 60 3.8 -61.6 331 25 323.0 323.0 289.7 323.1 0.03 22 200 11050 -60.3 -64.2 60 3.9 -60.4 325 19 337.3 337.3 293.7 337.4 0.03 23 164 12278 -63.3 -67.4 57 4.1 -63.4 339 16 351.9 351.9 297.1 352.1 0.03 24 153 12707 -61.1 -65.5 56 4.4 -61.2 344 15 362.8 362.8 299.2 362.9 0.04 25 150 12830 -61.5 -65.9 56 4.4 -61.6 345 15 364.1 364.1 299.5 364.3 0.04 26 100 15320 -65.1 -70.1 50 5.0 -65.2 330 17 401.9 402.0 305.5 402.1 0.03 27 73 17228 -68.7 -74.7 42 6.0 -68.8 352 15 432.2 432.2 309.1 432.3 0.02 28 70 17480 -69.3 -75.3 41 6.0 -69.4 355 15 436.1 436.1 309.5 436.2 0.02 29 55 18907 -72.9 -78.9 40 6.0 -73.0 459.0 459.0 311.7 459.1 0.01 TRP 287 8822 -63.7 -67.3 61 3.6 -63.7 320 40 299.3 299.3 281.1 299.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5076.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 70.54 % Est. max temperature: -2.07 C = 28.28 F Sfc-Lift cond lev (LCL): 969.48 mb = 424.23 m = 1391.83 ft T: -8.95 C 700-500 lapse rate: 5.60 C/km ThetaE index: 0.83 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 894.09 mb = 1046.24 m = 3432.51 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -2.50 C = 27.50 F Cap Strength: 11.19 C Lifted Index: 11.68 C Risk: None Lifted Index @300 mb: 18.14 C Lifted Index @700 mb: 3.69 C Showalter Index: 10.22 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 22.00 C K Index: 5.20 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.89 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 29323.74 J/kg Cap Strength: 11.60 C Lift Cond Lev (LCL): 925.41 mb = 783.56 m = 2570.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 20 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 1020 29 290 7 6.6 -2.4 | 151 14 -6.9 12.4 1 1000 184 325 9 5.2 -7.4 | 131 11 -8.3 7.4 2 925 787 265 19 18.9 1.7 | 198 17 5.4 16.4 3 850 1432 280 25 24.6 -4.3 | 227 15 11.1 10.4 4 700 2867 285 31 29.9 -8.0 | 248 18 16.4 6.7 5 500 5260 295 29 26.3 -12.3 | 259 13 12.8 2.5 6 400 6740 300 33 28.6 -16.5 | 277 15 15.1 -1.7 7 300 8550 325 40 22.9 -32.8 | 332 20 9.4 -18.0 8 287 8822 320 40 25.7 -30.6 | 322 20 12.2 -15.9 9 250 9670 335 29 12.3 -26.3 | 6 12 -1.2 -11.5 10 200 11050 325 19 10.9 -15.6 | 73 3 -2.6 -0.8 11 150 12830 345 15 3.9 -14.5 | 92 10 -9.6 0.3 12 100 15320 330 17 8.5 -14.7 | 90 5 -5.0 0.0 13 70 17480 355 15 1.3 -14.9 | 89 12 -12.2 -0.2 Wind Parameters Mean winds (0-6000m): 287.5 at 26.7 knts Storm direction: 317.5 at 20.0 knts Shear (0-3000m) pos: 3.3 neg: 1.5 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 89.1 neg: -11.0 tot: 78.2 m^2/s^2 ave: 26.1 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 37.35 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 ------------------------------------------------------------------------------- 500 305 11 151 10| 8.0 0.0 8.0| 17.2 -11.0 6.3 12.5 0.30| 13.7 4.1 1000 280 15 184 12| 4.0 4.6 8.6| 40.7 -11.0 29.8 29.8 0.42| 12.6 5.3 1500 279 18 198 13| 4.5 3.1 7.6| 64.0 -11.0 53.1 35.4 0.53| 10.3 5.4 2000 280 20 208 13| 3.9 2.3 6.2| 72.8 -11.0 61.8 30.9 0.55| 8.3 4.6 2500 281 22 216 13| 3.6 1.8 5.5| 81.8 -11.0 70.9 28.4 0.58| 7.1 4.1 3000 282 23 222 14| 3.3 1.5 4.8| 89.1 -11.0 78.2 26.1 0.59| 6.3 3.7 4000 283 25 230 14| 2.5 1.2 3.6| 94.6 -11.0 83.7 20.9 0.59| 5.0 2.9 5000 285 26 236 14| 2.0 0.9 2.9| 99.3 -11.0 88.4 17.7 0.58| 4.2 2.5 6000 288 27 241 14| 1.9 0.8 2.6|108.4 -11.0 97.5 16.2 0.60| 3.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251206.00.gif