UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 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 1019 28 -10.1 -14.3 71 4.2 -11.1 340 9 261.6 261.8 261.0 265.0 1.24 1 1000 173 -11.9 -16.9 66 5.0 -12.9 340 15 261.2 261.4 260.2 264.0 1.02 2 991 242 -12.5 -17.5 66 5.0 -13.5 338 15 261.3 261.5 260.2 264.0 0.97 3 960 484 -14.5 -19.5 66 5.0 -15.4 330 15 261.7 261.8 260.2 264.0 0.85 4 925 765 -14.9 -25.9 39 11.0 -16.5 320 15 264.1 264.2 261.4 265.5 0.50 5 912 872 -15.9 -28.9 32 13.0 -17.6 319 15 264.1 264.2 261.2 265.2 0.38 6 895 1014 -14.9 -29.9 27 15.0 -16.9 318 15 266.6 266.6 262.9 267.6 0.36 7 858 1332 -15.7 -35.7 16 20.0 -18.0 316 15 269.0 269.0 264.4 269.6 0.21 8 850 1403 -16.1 -37.1 15 21.0 -18.4 315 15 269.3 269.3 264.5 269.9 0.19 9 780 2043 -21.3 -33.3 33 12.0 -22.6 304 20 270.4 270.4 265.6 271.3 0.30 10 723 2600 -23.1 -28.1 64 5.0 -23.8 294 25 274.4 274.4 268.6 275.9 0.52 11 700 2837 -23.3 -27.9 66 4.6 -23.9 290 27 276.7 276.8 270.1 278.3 0.55 12 630 3600 -27.1 -31.1 69 4.0 -27.6 292 26 280.8 280.9 272.4 282.2 0.45 13 500 5220 -39.5 -43.2 68 3.7 -39.7 295 25 284.9 284.9 274.2 285.4 0.17 14 400 6710 -51.7 -55.1 67 3.4 -51.8 285 40 287.8 287.8 275.6 288.0 0.05 15 355 7475 -57.5 -60.9 65 3.4 -57.5 291 40 290.0 290.0 276.7 290.1 0.03 16 300 8530 -61.1 -64.6 63 3.5 -61.2 300 40 299.2 299.2 281.0 299.3 0.02 17 280 8958 -62.5 -66.0 63 3.5 -62.5 305 36 303.2 303.2 282.7 303.2 0.02 18 250 9660 -61.1 -64.7 62 3.6 -61.2 310 42 315.2 315.2 287.2 315.3 0.03 19 217 10535 -60.1 -63.9 61 3.8 -60.2 316 32 329.8 329.8 291.7 329.9 0.03 20 200 11040 -61.3 -65.2 60 3.9 -61.3 320 27 335.7 335.7 293.3 335.8 0.03 21 150 12830 -61.7 -66.3 54 4.6 -61.8 350 11 363.8 363.8 299.5 363.9 0.03 22 119 14252 -64.7 -69.7 50 5.0 -64.8 1 13 383.2 383.2 302.8 383.3 0.03 23 100 15310 -65.9 -71.9 43 6.0 -66.0 10 15 400.4 400.4 305.3 400.5 0.02 24 70 17460 -70.1 -76.1 41 6.0 -70.2 5 15 434.4 434.4 309.3 434.5 0.02 25 50 19440 -73.7 -79.7 39 6.0 -73.7 5 7 469.8 469.8 312.6 469.9 0.01 26 48 19678 -74.1 -80.1 39 6.0 -74.2 474.4 474.4 313.0 474.5 0.01 TRP 280 8958 -62.5 -66.0 63 3.5 -62.5 305 36 303.2 303.2 282.7 303.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5047.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 54.36 % Est. max temperature: -3.45 C = 25.79 F Sfc-Lift cond lev (LCL): 952.44 mb = 543.67 m = 1783.68 ft T: -14.59 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.99 C Layer 1000.0- 960.0 mb Conv cond level (CCL): 740.37 mb = 2426.11 m = 7959.58 ft Mean mixing ratio: 0.85 g/kg Conv temperature: 1.44 C = 34.58 F Cap Strength: 14.72 C Lifted Index: 16.85 C Risk: None Lifted Index @300 mb: 24.60 C Lifted Index @700 mb: 11.78 C Showalter Index: 12.51 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 2.40 C K Index: -18.30 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.60 J/kg Max Up Vert Vel: 4.82 m/s Conv Inhibition (B-): 31614.26 J/kg Cap Strength: 16.70 C Lift Cond Lev (LCL): 877.96 mb = 1158.85 m = 3801.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 17 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 1019 28 340 9 3.1 -8.5 | 135 8 -5.9 6.0 1 1000 173 340 15 5.1 -14.1 | 96 4 -3.9 0.4 2 925 765 320 15 9.6 -11.5 | 192 3 0.6 3.0 3 850 1403 315 15 10.6 -10.6 | 202 4 1.6 3.9 4 700 2837 290 27 25.4 -9.2 | 252 17 16.4 5.3 5 500 5220 295 25 22.7 -10.6 | 254 14 13.6 3.9 6 400 6710 285 40 38.6 -10.4 | 262 30 29.6 4.1 7 300 8530 300 40 34.6 -20.0 | 282 26 25.6 -5.5 8 280 8958 305 36 29.5 -20.6 | 287 21 20.5 -6.1 9 250 9660 310 42 32.2 -27.0 | 298 26 23.2 -12.5 10 200 11040 320 27 17.4 -20.7 | 307 10 8.3 -6.2 11 150 12830 350 11 1.9 -10.8 | 117 8 -7.1 3.7 12 100 15310 10 15 -2.6 -14.8 | 89 12 -11.6 -0.3 13 70 17460 5 15 -1.3 -14.9 | 88 10 -10.3 -0.4 14 50 19440 5 7 -0.6 -7.0 | 128 12 -9.6 7.5 Wind Parameters Mean winds (0-6000m): 298.1 at 22.8 knts Storm direction: 328.1 at 17.1 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 11.8 neg: -5.8 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 27.35 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 ------------------------------------------------------------------------------- 500 335 14 118 4| 0.0 6.7 6.7| 1.4 -5.1 -3.7 -7.4 -0.16| 9.0 -1.4 1000 328 15 148 3| 0.0 3.8 3.8| 2.8 -5.1 -2.3 -2.3 0.06| 5.9 0.4 1500 324 15 173 3| 0.0 3.1 3.1| 4.5 -5.1 -0.6 -0.4 0.17| 4.6 0.8 2000 319 16 203 3| 0.0 3.6 3.6| 9.2 -5.1 4.1 2.1 0.29| 4.7 1.4 2500 313 17 229 4| 0.0 3.9 3.9| 11.6 -5.1 6.5 2.6 0.26| 4.9 1.3 3000 307 18 240 7| 0.0 3.8 3.8| 11.8 -5.8 5.9 2.0 0.22| 4.7 1.0 4000 302 20 246 9| 0.2 2.8 3.0| 12.8 -5.8 6.9 1.7 0.22| 3.7 0.8 5000 300 22 249 10| 0.3 2.3 2.5| 13.5 -5.8 7.6 1.5 0.21| 3.1 0.7 6000 298 23 251 12| 0.2 2.6 2.8| 23.9 -5.8 18.0 3.0 0.22| 3.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251206.12.gif