UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 9 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 1000 41 -1.7 -1.7 100 0.0 -1.7 320 13 271.5 272.0 271.5 280.5 3.37 1 925 657 -5.5 -6.1 96 0.6 -5.7 325 23 273.7 274.1 271.6 280.9 2.62 2 900 872 -6.7 -7.4 95 0.7 -7.0 328 23 274.6 275.0 271.9 281.3 2.43 3 850 1319 -6.3 -6.9 95 0.6 -6.5 335 23 279.5 280.0 275.2 287.1 2.68 4 826 1542 -6.9 -7.5 95 0.6 -7.1 338 23 281.2 281.7 276.0 288.7 2.63 5 700 2818 -12.7 -13.7 92 1.0 -13.0 355 25 288.4 288.8 278.6 294.1 1.89 6 695 2873 -12.9 -13.8 93 0.9 -13.2 355 25 288.8 289.1 278.8 294.4 1.89 7 578 4250 -22.9 -24.8 84 1.9 -23.2 352 24 292.7 292.9 279.3 295.5 0.88 8 500 5300 -28.9 -31.5 78 2.6 -29.2 350 23 297.8 297.9 281.1 299.6 0.55 9 454 5983 -32.7 -36.5 69 3.8 -33.1 350 21 301.4 301.4 282.4 302.6 0.37 10 400 6860 -39.7 -44.2 62 4.5 -40.0 350 19 303.4 303.4 283.0 304.1 0.19 11 324 8270 -50.5 -56.5 49 6.0 -50.7 332 18 307.3 307.3 284.4 307.5 0.06 12 300 8770 -52.7 -58.7 48 6.0 -52.8 325 17 311.1 311.1 285.8 311.2 0.05 13 284 9123 -55.5 -61.5 47 6.0 -55.6 335 17 312.0 312.0 286.1 312.1 0.03 14 250 9940 -55.3 -61.3 47 6.0 -55.4 355 13 323.9 323.9 290.0 324.0 0.04 15 200 11380 -51.9 -58.9 43 7.0 -52.1 30 21 350.6 350.6 296.8 350.9 0.07 16 189 11745 -50.9 -58.9 38 8.0 -51.2 34 20 357.9 357.9 298.4 358.2 0.07 17 150 13240 -51.7 -59.7 38 8.0 -52.0 50 15 381.0 381.0 302.5 381.4 0.08 18 100 15870 -51.7 -60.7 33 9.0 -52.2 85 11 427.8 427.9 308.7 428.4 0.11 19 70 18180 -52.1 -64.1 22 12.0 -52.9 135 5 472.9 473.0 312.9 473.5 0.10 20 60 19178 -52.1 -65.1 20 13.0 -53.1 156 6 494.2 494.3 314.6 494.9 0.10 21 50 20360 -51.7 -65.7 17 14.0 -52.9 180 7 521.6 521.7 316.5 522.4 0.11 22 45 21041 -52.7 -68.7 13 16.0 -53.9 186 10 535.2 535.2 317.3 535.7 0.08 23 39 21964 -52.9 -68.9 13 16.0 -54.3 195 15 557.0 557.1 318.5 557.7 0.09 24 32 23248 -49.7 -66.7 12 17.0 -51.9 206 21 598.0 598.1 320.6 599.1 0.15 25 30 23670 -49.5 -65.5 14 16.0 -51.8 210 23 609.7 609.8 321.1 611.1 0.19 26 23 25419 -47.3 -63.3 14 16.0 -50.7 220 26 664.3 664.4 323.3 667.1 0.33 27 23 25419 -47.1 -65.1 11 18.0 -50.7 220 26 664.9 665.0 323.3 667.1 0.26 28 20 26340 -48.9 -68.9 8 20.0 -52.4 225 27 686.5 686.6 324.0 688.0 0.18 29 19 26677 -48.5 -68.5 8 20.0 -52.2 697.9 698.0 324.4 699.6 0.20 TRP 284 9123 -55.5 -61.5 47 6.0 -55.6 335 17 312.0 312.0 286.1 312.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5258.53 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.43 inches Sfc-500 mean rel hum: 90.50 % Est. max temperature: 6.40 C = 43.51 F Sfc-Lift cond lev (LCL): 999.79 mb = 43.10 m = 141.39 ft T: -1.71 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.00 C Layer 1000.0- 0.0 mb Conv cond level (CCL): 925.00 mb = 657.00 m = 2155.49 ft Mean mixing ratio: 2.87 g/kg Conv temperature: 1.15 C = 34.07 F Cap Strength: 11.18 C Lifted Index: 14.38 C Risk: None Lifted Index @300 mb: 21.46 C Lifted Index @700 mb: 9.37 C Showalter Index: 9.52 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.60 C Cross Totals Index: 22.00 C K Index: 14.70 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.74 J/kg Max Up Vert Vel: 4.85 m/s Conv Inhibition (B-): 55685.22 J/kg Cap Strength: 14.21 C Lift Cond Lev (LCL): 943.95 mb = 496.90 m = 1630.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 16 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 1000 41 320 13 8.4 -10.0 | 243 15 13.1 6.7 1 925 657 325 23 13.2 -18.8 | 277 18 17.9 -2.2 2 850 1319 335 23 9.7 -20.8 | 286 15 14.4 -4.2 3 700 2818 355 25 2.2 -24.9 | 320 11 6.9 -8.3 4 500 5300 350 23 4.0 -22.7 | 305 11 8.7 -6.0 5 400 6860 350 19 3.3 -18.7 | 285 8 8.0 -2.1 6 300 8770 325 17 9.8 -13.9 | 259 15 14.5 2.7 7 284 9123 335 17 7.2 -15.4 | 264 12 11.9 1.2 8 250 9940 355 13 1.1 -13.0 | 238 7 5.9 3.7 9 200 11380 30 21 -10.5 -18.2 | 75 6 -5.8 -1.6 10 150 13240 50 15 -11.5 -9.6 | 136 10 -6.8 7.0 11 100 15870 85 11 -11.0 -1.0 | 158 17 -6.2 15.7 12 70 18180 135 5 -3.5 3.5 | 183 20 1.2 20.2 13 50 20360 180 7 0.0 7.0 | 191 24 4.7 23.6 14 30 23670 210 23 11.5 19.9 | 204 40 16.2 36.6 15 20 26340 225 27 19.1 19.1 | 214 43 23.8 35.7 Wind Parameters Mean winds (0-6000m): 345.9 at 23.1 knts Storm direction: 15.9 at 17.3 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 75.8 deg Storm rel helicity (0-3000m) pos: 76.7 neg: -0.7 tot: 76.0 m^2/s^2 ave: 25.3 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.89 Bulk Shear: 13.14 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 ------------------------------------------------------------------------------- 500 323 17 258 15| 8.4 0.0 8.4| 32.3 0.0 32.3 64.5 0.95| 8.5 8.0 1000 325 20 269 16| 5.4 0.0 5.4| 47.1 0.0 47.1 47.1 0.90| 6.3 5.7 1500 329 21 275 16| 4.0 0.0 4.0| 55.6 0.0 55.6 37.1 0.86| 5.2 4.5 2000 332 22 279 15| 3.4 0.0 3.4| 64.2 0.0 64.2 32.1 0.86| 4.6 4.0 2500 336 22 284 14| 3.1 0.0 3.1| 72.4 0.0 72.4 29.0 0.86| 4.3 3.7 3000 339 23 289 14| 2.7 0.0 2.7| 76.7 -0.7 76.0 25.3 0.85| 3.9 3.3 4000 343 23 295 13| 2.0 0.2 2.2| 76.7 -4.0 72.7 18.2 0.76| 3.1 2.3 5000 345 23 298 12| 1.6 0.2 1.9| 76.7 -7.2 69.5 13.9 0.68| 2.6 1.7 6000 346 23 299 12| 1.4 0.4 1.7| 76.7 -11.9 64.9 10.8 0.56| 2.3 1.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251009.00.gif