UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 15 OCT 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1010 48 -7.3 -8.3 93 1.0 -7.6 320 15 265.1 265.4 265.0 270.5 2.02 1 1000 126 -7.1 -8.7 88 1.6 -7.5 310 23 266.0 266.4 265.6 271.4 1.98 2 994 173 -5.7 -7.3 88 1.6 -6.2 312 23 267.9 268.3 267.3 273.9 2.22 3 925 732 -9.3 -12.4 78 3.1 -10.1 330 29 269.8 270.1 267.5 274.2 1.59 4 878 1133 -12.3 -16.1 73 3.8 -13.2 327 28 270.7 270.9 267.5 274.2 1.24 5 850 1380 -14.1 -17.5 75 3.4 -14.8 325 27 271.4 271.6 267.7 274.6 1.14 6 793 1903 -17.7 -19.4 87 1.7 -18.0 330 29 273.0 273.1 268.6 275.9 1.04 7 779 2037 -17.5 -19.0 88 1.5 -17.8 332 30 274.6 274.8 269.7 277.7 1.09 8 777 2056 -16.9 -18.5 87 1.6 -17.2 332 30 275.4 275.6 270.4 278.7 1.14 9 764 2183 -14.9 -17.7 79 2.8 -15.5 333 30 278.9 279.1 272.6 282.5 1.24 10 722 2610 -15.9 -23.9 50 8.0 -17.4 338 32 282.4 282.5 273.8 284.7 0.77 11 700 2843 -17.3 -26.3 45 9.0 -18.8 340 33 283.3 283.4 274.2 285.3 0.64 12 689 2962 -18.1 -28.1 41 10.0 -19.7 340 33 283.7 283.8 274.2 285.4 0.55 13 500 5300 -31.3 -39.3 45 8.0 -32.0 340 33 294.9 294.9 279.4 295.7 0.25 14 436 6258 -35.9 -40.9 60 5.0 -36.3 343 36 300.8 300.9 282.0 301.7 0.25 15 400 6850 -40.5 -45.0 62 4.5 -40.8 345 38 302.4 302.4 282.5 303.0 0.17 16 305 8644 -54.7 -58.6 62 3.9 -54.8 340 42 306.8 306.8 284.2 307.0 0.05 17 300 8750 -55.1 -58.9 63 3.8 -55.2 340 42 307.7 307.7 284.5 307.9 0.05 18 272 9372 -59.5 -63.3 61 3.8 -59.6 340 40 310.0 310.0 285.4 310.1 0.03 19 250 9900 -60.9 -64.5 62 3.6 -60.9 340 38 315.5 315.5 287.3 315.6 0.03 20 248 9950 -60.7 -64.3 62 3.6 -60.7 340 38 316.6 316.6 287.6 316.7 0.03 21 206 11129 -52.9 -56.7 63 3.8 -53.0 344 28 346.1 346.1 295.8 346.4 0.09 22 200 11320 -52.3 -56.1 63 3.8 -52.4 345 27 349.9 350.0 296.7 350.4 0.10 23 192 11583 -51.1 -54.9 64 3.8 -51.2 346 26 356.0 356.0 298.0 356.5 0.12 24 150 13180 -50.1 -56.1 49 6.0 -50.4 350 17 383.7 383.8 302.9 384.3 0.13 25 134 13919 -48.7 -55.7 44 7.0 -49.1 356 14 398.8 398.8 305.2 399.5 0.15 26 100 15830 -51.9 -62.9 26 11.0 -52.5 10 7 427.4 427.5 308.6 427.9 0.08 27 70 18140 -51.5 -66.5 15 15.0 -52.4 315 5 474.2 474.2 313.0 474.6 0.07 28 62 18926 -52.5 -68.5 13 16.0 -53.5 488.7 488.8 314.1 489.1 0.06 TRP 250 9900 -60.9 -64.5 62 3.6 -60.9 340 38 315.5 315.5 287.3 315.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 60.10 % Est. max temperature: -1.23 C = 29.79 F Sfc-Lift cond lev (LCL): 993.86 mb = 174.01 m = 570.91 ft T: -5.71 C 700-500 lapse rate: 5.70 C/km ThetaE index: 0.00 C Layer 1010.0--107374184.0 mb Conv cond level (CCL): 902.05 mb = 925.21 m = 3035.42 ft Mean mixing ratio: 1.87 g/kg Conv temperature: -2.13 C = 28.17 F Cap Strength: 10.42 C Lifted Index: 17.61 C Risk: None Lifted Index @300 mb: 24.10 C Lifted Index @700 mb: 10.22 C Showalter Index: 16.90 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 13.80 C K Index: -9.30 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 4.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.48 J/kg Max Up Vert Vel: 4.79 m/s Conv Inhibition (B-): 32315.73 J/kg Cap Strength: 17.39 C Lift Cond Lev (LCL): 925.29 mb = 729.60 m = 2393.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 at 23 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 1010 48 320 15 9.6 -11.5 | 226 17 12.0 11.7 1 1000 126 310 23 17.6 -14.8 | 247 22 19.9 8.4 2 925 732 330 29 14.5 -25.1 | 277 17 16.8 -1.9 3 850 1380 325 27 15.5 -22.1 | 267 18 17.8 1.1 4 700 2843 340 33 11.3 -31.0 | 300 16 13.6 -7.8 5 500 5300 340 33 11.3 -31.0 | 300 16 13.6 -7.8 6 400 6850 345 38 9.8 -36.7 | 318 18 12.2 -13.5 7 300 8750 340 42 14.4 -39.5 | 314 23 16.7 -16.3 8 250 9900 340 38 13.0 -35.7 | 309 20 15.3 -12.5 9 200 11320 345 27 7.0 -26.1 | 287 10 9.3 -2.9 10 150 13180 350 17 3.0 -16.7 | 219 8 5.3 6.4 11 100 15830 10 7 -1.2 -6.9 | 184 16 1.1 16.3 12 70 18140 315 5 3.5 -3.5 | 197 20 5.9 19.6 Wind Parameters Mean winds (0-6000m): 335.7 at 31.1 knts Storm direction: 5.7 at 23.3 knts Shear (0-3000m) pos: 3.4 neg: 0.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 74.2 deg Storm rel helicity (0-3000m) pos: 125.4 neg: -12.9 tot: 112.5 m^2/s^2 ave: 37.5 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.69 Bulk Shear: 16.71 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 ------------------------------------------------------------------------------- 500 317 24 254 20| 12.6 0.0 12.6| 69.4 0.0 69.4 138.8 0.87| 16.3 14.2 1000 323 26 263 18| 6.8 0.0 6.8| 83.8 -6.4 77.4 77.4 0.74| 10.7 7.9 1500 324 27 265 18| 4.6 0.2 4.7| 87.9 -12.9 75.1 50.0 0.65| 7.9 5.1 2000 326 27 268 18| 4.1 0.1 4.2|102.2 -12.9 89.4 44.7 0.69| 6.8 4.7 2500 328 28 271 17| 3.8 0.1 3.9|116.7 -12.9 103.9 41.5 0.72| 6.1 4.4 3000 330 29 276 17| 3.4 0.1 3.5|125.4 -12.9 112.5 37.5 0.74| 5.5 4.0 4000 333 30 282 16| 2.6 0.1 2.6|125.4 -12.9 112.5 28.1 0.74| 4.1 3.0 5000 335 30 286 16| 2.1 0.1 2.1|125.4 -12.9 112.5 22.5 0.74| 3.3 2.4 6000 336 31 289 16| 2.0 0.0 2.0|136.6 -12.9 123.7 20.6 0.75| 3.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251015.12.gif