UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 13 JAN 26 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 1011 24 -3.7 -6.2 83 2.5 -4.5 250 13 268.6 269.0 268.0 275.0 2.37 1 1010 31 -3.7 -6.2 83 2.5 -4.5 250 13 268.7 269.1 268.1 275.1 2.38 2 1000 110 -3.7 -6.5 81 2.8 -4.6 255 15 269.5 269.8 268.5 275.8 2.35 3 997 134 -3.9 -6.7 81 2.8 -4.8 256 15 269.5 269.9 268.5 275.8 2.32 4 973 325 -5.5 -7.9 83 2.4 -6.2 262 14 269.8 270.1 268.4 275.7 2.16 5 949 521 -4.7 -7.9 78 3.2 -5.7 268 14 272.5 272.9 270.3 278.6 2.22 6 925 722 -5.7 -10.7 68 5.0 -7.2 275 13 273.5 273.8 270.3 278.6 1.82 7 865 1247 -7.5 -20.5 35 13.0 -10.4 275 23 276.9 277.0 270.8 279.4 0.86 8 850 1383 -7.9 -19.9 37 12.0 -10.6 275 25 277.9 278.0 271.5 280.6 0.93 9 837 1503 -8.7 -17.7 48 9.0 -10.9 276 26 278.3 278.4 272.1 281.6 1.14 10 826 1605 -7.9 -13.9 62 6.0 -9.6 277 27 280.2 280.4 273.9 284.7 1.58 11 787 1979 -10.5 -14.8 71 4.3 -11.6 281 29 281.3 281.5 274.4 285.8 1.54 12 714 2720 -15.9 -21.9 60 6.0 -17.1 288 35 283.3 283.4 274.6 286.1 0.93 13 700 2869 -17.1 -24.1 55 7.0 -18.4 290 36 283.5 283.7 274.5 285.9 0.78 14 662 3285 -20.7 -29.7 44 9.0 -22.0 289 36 284.1 284.1 274.3 285.6 0.49 15 500 5290 -37.9 -42.4 63 4.5 -38.2 285 38 286.8 286.9 275.3 287.4 0.18 16 494 5373 -38.7 -43.1 63 4.4 -38.9 286 39 286.8 286.9 275.3 287.4 0.17 17 400 6790 -48.7 -52.4 65 3.7 -48.8 295 50 291.7 291.7 277.6 292.0 0.07 18 364 7403 -52.5 -56.2 64 3.7 -52.6 292 51 294.6 294.6 279.0 294.8 0.05 19 300 8620 -62.5 -66.1 62 3.6 -62.5 285 54 297.2 297.2 280.1 297.3 0.02 20 271 9242 -65.7 -69.3 61 3.6 -65.7 280 60 301.4 301.4 282.0 301.5 0.01 21 262 9446 -66.7 -70.3 60 3.6 -66.7 284 56 302.8 302.8 282.5 302.9 0.01 22 250 9730 -66.1 -69.7 61 3.6 -66.1 290 50 307.8 307.8 284.5 307.8 0.01 23 200 11090 -62.5 -66.2 61 3.7 -62.6 305 33 333.8 333.8 292.7 333.9 0.03 24 198 11152 -62.3 -66.0 61 3.7 -62.3 305 33 335.1 335.1 293.1 335.2 0.03 25 150 12860 -65.7 -69.5 59 3.8 -65.7 300 25 356.9 356.9 298.1 357.0 0.02 26 100 15310 -69.9 -74.2 53 4.3 -69.9 320 21 392.7 392.7 304.2 392.8 0.02 27 99 15370 -70.1 -74.4 53 4.3 -70.1 393.4 393.4 304.3 393.5 0.02 28 76 16931 -72.9 -77.4 50 4.5 -72.9 418.5 418.5 307.6 418.5 0.01 TRP 271 9242 -67.7 -71.2 61 3.5 -67.7 280 60 298.5 298.5 280.7 298.5 0.01 WND 271 9242 -65.7 -69.3 61 3.6 -65.7 280 60 301.4 301.4 282.0 301.5 0.01 Sounding variables and indices 1000-500 mb thick: 5180.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 58.14 % Est. max temperature: 4.88 C = 40.78 F Sfc-Lift cond lev (LCL): 971.83 mb = 334.58 m = 1097.70 ft T: -5.46 C 700-500 lapse rate: 8.59 C/km ThetaE index: 0.47 C Layer 700.0- 500.0 mb Conv cond level (CCL): 779.02 mb = 2056.68 m = 6747.55 ft Mean mixing ratio: 2.11 g/kg Conv temperature: 9.22 C = 48.60 F Cap Strength: 7.72 C Lifted Index: 8.25 C Risk: None Lifted Index @300 mb: 14.24 C Lifted Index @700 mb: 7.72 C Showalter Index: 5.56 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.00 C Cross Totals Index: 18.00 C K Index: 3.10 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 1.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.88 J/kg Max Up Vert Vel: 6.76 m/s Conv Inhibition (B-): 19698.82 J/kg Cap Strength: 8.22 C Lift Cond Lev (LCL): 908.43 mb = 863.40 m = 2832.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 24 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 1011 24 250 13 12.2 4.4 | 168 22 -4.6 21.1 1 1000 110 255 15 14.5 3.9 | 174 21 -2.3 20.5 2 925 722 275 13 13.0 -1.1 | 166 16 -3.9 15.5 3 850 1383 275 25 24.9 -2.2 | 209 17 8.1 14.4 4 700 2869 290 36 33.8 -12.3 | 256 18 17.0 4.3 5 500 5290 285 38 36.7 -9.8 | 251 21 19.9 6.8 6 400 6790 295 50 45.3 -21.1 | 279 29 28.5 -4.5 7 300 8620 285 54 52.2 -14.0 | 266 35 35.4 2.6 8 271 9242 280 60 59.1 -10.4 | 262 43 42.3 6.2 9 250 9730 290 50 47.0 -17.1 | 271 30 30.2 -0.5 10 200 11090 305 33 27.0 -18.9 | 283 10 10.2 -2.3 11 150 12860 300 25 21.7 -12.5 | 230 6 4.8 4.1 12 100 15310 320 21 13.5 -16.1 | 99 3 -3.3 0.5 Wind Parameters Mean winds (0-6000m): 284.7 at 31.5 knts Storm direction: 314.7 at 23.6 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 118.7 neg: -11.0 tot: 107.7 m^2/s^2 ave: 35.9 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.45 Bulk Shear: 50.30 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 ------------------------------------------------------------------------------- 500 260 14 172 19| 4.5 0.0 4.5| 11.8 -6.5 5.3 10.6 0.14| 6.0 0.8 1000 267 15 172 18| 4.5 0.0 4.5| 33.5 -10.7 22.8 22.8 0.40| 6.7 2.7 1500 271 17 182 16| 5.3 0.0 5.3| 64.8 -10.7 54.1 36.1 0.62| 7.1 4.4 2000 274 20 191 16| 5.1 0.0 5.1| 84.0 -10.7 73.3 36.7 0.68| 6.5 4.4 2500 277 22 201 15| 5.0 0.0 5.0|104.1 -10.7 93.5 37.4 0.73| 6.1 4.5 3000 280 24 210 14| 4.7 0.0 4.7|118.7 -11.0 107.7 35.9 0.75| 5.7 4.3 4000 283 27 224 14| 3.5 0.2 3.7|118.7 -14.0 104.7 26.2 0.70| 4.5 3.1 5000 284 30 232 15| 2.8 0.3 3.1|118.7 -17.5 101.2 20.2 0.65| 3.7 2.4 6000 285 32 238 16| 2.9 0.3 3.2|153.7 -18.2 135.5 22.6 0.67| 3.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20260113.12.gif