UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 28 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 1005 44 -11.1 -12.4 90 1.3 -11.4 300 11 261.7 261.9 261.5 265.6 1.46 1 1000 82 -10.3 -12.6 83 2.3 -10.8 295 11 262.9 263.1 262.3 266.8 1.45 2 997 105 -9.9 -12.2 83 2.3 -10.5 296 11 263.5 263.7 262.9 267.5 1.50 3 925 680 -12.3 -14.1 86 1.8 -12.7 315 11 266.7 267.0 265.0 270.5 1.39 4 858 1251 -16.3 -18.4 84 2.1 -16.7 319 13 268.4 268.5 265.5 271.3 1.04 5 850 1322 -15.5 -17.5 85 2.0 -15.9 320 13 269.9 270.1 266.8 273.1 1.14 6 737 2391 -18.7 -25.7 54 7.0 -19.8 331 13 277.7 277.8 270.9 279.6 0.64 7 700 2773 -20.7 -27.7 53 7.0 -21.7 335 13 279.6 279.7 271.9 281.3 0.56 8 500 5190 -33.7 -44.7 32 11.0 -34.4 350 19 292.0 292.0 277.9 292.4 0.14 9 493 5289 -34.3 -45.3 32 11.0 -35.0 351 19 292.4 292.4 278.1 292.9 0.14 10 400 6720 -44.3 -55.3 28 11.0 -44.6 360 23 297.4 297.4 280.3 297.6 0.05 11 300 8600 -55.9 -63.9 36 8.0 -56.0 355 29 306.6 306.6 284.0 306.6 0.02 12 261 9480 -59.9 -67.9 34 8.0 -60.0 340 29 313.1 313.1 286.5 313.2 0.02 13 250 9750 -58.3 -66.3 35 8.0 -58.4 340 29 319.4 319.4 288.6 319.5 0.02 14 200 11160 -55.7 -63.7 36 8.0 -55.9 345 19 344.6 344.6 295.4 344.7 0.04 15 150 13000 -55.3 -66.3 24 11.0 -55.6 315 15 374.8 374.8 301.4 375.0 0.03 16 100 15570 -57.5 -71.5 15 14.0 -57.9 270 9 416.6 416.6 307.3 416.8 0.02 17 70 17820 -58.5 -74.5 11 16.0 -58.9 245 7 459.2 459.2 311.7 459.4 0.02 18 50 19920 -61.7 -78.7 9 17.0 -62.1 235 13 498.1 498.1 314.8 498.2 0.02 19 47 20305 -60.9 -77.9 9 17.0 -61.4 231 14 508.9 508.9 315.6 509.0 0.02 20 46 20439 -60.7 -77.7 9 17.0 -61.2 230 14 512.5 512.5 315.8 512.6 0.02 21 30 23100 -61.7 -79.7 7 18.0 -62.4 205 19 576.4 576.4 319.5 576.6 0.02 22 27 23754 -62.1 -80.1 7 18.0 -62.9 202 21 592.9 593.0 320.3 593.1 0.02 23 20 25620 -61.1 -80.1 6 19.0 -62.2 195 25 649.1 649.2 322.7 649.4 0.03 24 17 26629 -61.1 -80.1 6 19.0 -62.4 680.0 680.0 323.8 680.3 0.04 25 14 27846 -57.3 -77.3 6 20.0 -59.5 731.7 731.8 325.4 732.4 0.07 TRP 261 9480 -59.9 -67.9 34 8.0 -60.0 340 29 313.1 313.1 286.5 313.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5108.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 59.14 % Est. max temperature: -3.83 C = 25.10 F Sfc-Lift cond lev (LCL): 984.06 mb = 205.29 m = 673.52 ft T: -10.32 C 700-500 lapse rate: 5.38 C/km ThetaE index: 0.00 C Layer 1005.0-2128654499840.0 mb Conv cond level (CCL): 891.63 mb = 959.15 m = 3146.79 ft Mean mixing ratio: 1.42 g/kg Conv temperature: -5.24 C = 22.57 F Cap Strength: 10.45 C Lifted Index: 18.84 C Risk: None Lifted Index @300 mb: 26.49 C Lifted Index @700 mb: 10.45 C Showalter Index: 15.67 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 16.20 C K Index: -6.30 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.79 J/kg Max Up Vert Vel: 4.64 m/s Conv Inhibition (B-): 55205.28 J/kg Cap Strength: 18.67 C Lift Cond Lev (LCL): 923.19 mb = 694.88 m = 2279.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 at 11 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 1005 44 300 11 9.5 -5.5 | 243 12 11.0 5.6 1 1000 82 295 11 10.0 -4.6 | 240 13 11.4 6.5 2 925 680 315 11 7.8 -7.8 | 250 10 9.2 3.4 3 850 1322 320 13 8.4 -10.0 | 263 10 9.8 1.2 4 700 2773 335 13 5.5 -11.8 | 275 7 6.9 -0.7 5 500 5190 350 19 3.3 -18.7 | 328 9 4.7 -7.6 6 400 6720 360 23 -0.0 -23.0 | 353 12 1.4 -11.9 7 300 8600 355 29 2.5 -28.9 | 347 18 4.0 -17.8 8 261 9480 340 29 9.9 -27.3 | 325 20 11.3 -16.1 9 250 9750 340 29 9.9 -27.3 | 325 20 11.3 -16.1 10 200 11160 345 19 4.9 -18.4 | 319 10 6.3 -7.2 11 150 13000 315 15 10.6 -10.6 | 268 12 12.0 0.5 12 100 15570 270 9 9.0 -0.0 | 223 15 10.4 11.1 13 70 17820 245 7 6.3 3.0 | 209 16 7.8 14.1 14 50 19920 235 13 10.6 7.5 | 213 22 12.1 18.6 15 30 23100 205 19 8.0 17.2 | 198 30 9.5 28.3 16 20 25620 195 25 6.5 24.1 | 193 36 7.9 35.3 Wind Parameters Mean winds (0-6000m): 337.3 at 15.0 knts Storm direction: 7.3 at 11.2 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 39.0 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -1.0 tot: 15.4 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.08 Bulk Shear: 9.95 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 ------------------------------------------------------------------------------- 500 302 11 244 12| 2.1 0.0 2.1| 4.1 -1.0 3.0 6.1 0.32| 3.2 1.0 1000 309 11 248 11| 1.9 0.0 1.9| 8.4 -1.0 7.4 7.4 0.51| 2.7 1.4 1500 313 12 253 10| 1.7 0.0 1.7| 11.7 -1.0 10.7 7.1 0.59| 2.3 1.3 2000 316 12 256 10| 1.5 0.0 1.5| 13.2 -1.0 12.1 6.1 0.58| 2.0 1.2 2500 319 12 259 10| 1.4 0.0 1.4| 14.4 -1.0 13.4 5.4 0.57| 1.9 1.1 3000 322 12 261 9| 1.4 0.0 1.4| 16.4 -1.0 15.4 5.1 0.60| 1.8 1.1 4000 327 13 269 8| 1.4 0.0 1.4| 21.9 -1.0 20.9 5.2 0.69| 1.7 1.2 5000 333 14 279 8| 1.5 0.0 1.5| 28.1 -1.0 27.1 5.4 0.73| 1.7 1.2 6000 337 15 290 8| 1.5 0.0 1.5| 35.5 -1.0 34.5 5.7 0.75| 1.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251028.12.gif