UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 18 OCT 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1013 4 -1.5 -2.4 94 0.9 -1.9 285 23 270.6 271.2 270.6 279.1 3.16 1 1000 107 -2.1 -3.7 89 1.6 -2.7 290 21 271.0 271.5 270.5 278.9 2.90 2 925 721 -6.5 -7.9 90 1.4 -7.0 320 23 272.7 273.0 270.5 278.9 2.28 3 850 1377 -10.7 -11.9 91 1.2 -11.1 320 25 274.9 275.2 271.1 280.0 1.80 4 804 1803 -13.1 -14.1 92 1.0 -13.3 321 26 276.8 277.1 271.9 281.3 1.60 5 700 2851 -16.7 -18.8 84 2.1 -17.1 325 27 284.0 284.2 275.5 287.7 1.24 6 668 3202 -18.3 -20.8 81 2.5 -18.8 325 27 286.0 286.2 276.3 289.3 1.09 7 500 5300 -33.7 -37.1 71 3.4 -34.0 325 25 292.0 292.0 278.2 293.0 0.32 8 466 5789 -37.3 -41.0 68 3.7 -37.5 330 24 293.4 293.5 278.7 294.2 0.23 9 420 6494 -43.9 -48.2 62 4.3 -44.1 337 23 293.8 293.8 278.7 294.2 0.12 10 400 6820 -45.1 -49.6 61 4.5 -45.3 340 23 296.4 296.4 279.9 296.7 0.10 11 389 7006 -46.1 -51.1 57 5.0 -46.3 342 23 297.4 297.5 280.3 297.8 0.09 12 356 7591 -50.7 -56.7 49 6.0 -50.8 350 24 298.9 298.9 280.9 299.1 0.05 13 314 8405 -53.1 -59.1 48 6.0 -53.2 360 25 306.5 306.5 284.0 306.6 0.04 14 309 8509 -53.1 -59.1 48 6.0 -53.2 358 26 307.9 307.9 284.6 308.1 0.04 15 300 8700 -52.5 -59.5 43 7.0 -52.7 355 27 311.3 311.4 285.9 311.5 0.04 16 271 9356 -51.5 -59.5 38 8.0 -51.7 349 26 322.0 322.0 289.4 322.2 0.05 17 250 9880 -50.3 -59.3 34 9.0 -50.5 345 25 331.3 331.3 292.1 331.5 0.05 18 226 10536 -49.9 -60.9 26 11.0 -50.2 345 25 341.6 341.6 294.7 341.8 0.05 19 200 11330 -51.1 -63.1 23 12.0 -51.4 345 25 351.8 351.9 297.1 352.0 0.04 20 197 11429 -51.5 -63.5 23 12.0 -51.8 344 25 352.7 352.7 297.3 352.9 0.04 21 150 13200 -53.1 -66.1 19 13.0 -53.5 335 19 378.6 378.6 302.1 378.7 0.04 22 143 13508 -53.3 -66.3 19 13.0 -53.7 337 18 383.4 383.5 302.8 383.6 0.04 23 130 14116 -56.5 -69.5 18 13.0 -56.8 340 15 388.3 388.3 303.6 388.4 0.03 24 100 15780 -56.5 -69.5 18 13.0 -56.9 350 9 418.6 418.6 307.6 418.7 0.03 25 84 16886 -56.1 -69.1 18 13.0 -56.6 348 7 440.8 440.8 310.0 441.0 0.04 26 70 18040 -57.7 -69.7 20 12.0 -58.2 345 5 460.9 461.0 311.9 461.2 0.05 27 54 19661 -60.5 -72.5 19 12.0 -60.9 299 2 490.0 490.0 314.2 490.2 0.04 28 50 20140 -59.9 -71.9 19 12.0 -60.4 285 1 502.3 502.3 315.1 502.6 0.05 29 47 20529 -58.1 -70.1 20 12.0 -58.7 275 2 515.6 515.6 316.1 516.0 0.06 30 36 22199 -60.9 -72.9 19 12.0 -61.5 234 6 549.2 549.2 318.1 549.6 0.06 31 30 23340 -58.3 -71.3 17 13.0 -59.2 205 9 585.7 585.7 320.0 586.3 0.08 32 20 25900 -57.5 -70.5 18 13.0 -58.9 200 19 660.2 660.2 323.1 661.3 0.14 33 19 26224 -57.3 -70.3 18 13.0 -58.8 670.5 670.6 323.5 671.8 0.15 TRP 314 8405 -53.1 -59.1 48 6.0 -53.2 360 25 306.5 306.5 284.0 306.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5193.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 83.44 % Est. max temperature: 2.40 C = 36.32 F Sfc-Lift cond lev (LCL): 998.65 mb = 117.68 m = 386.09 ft T: -2.18 C 700-500 lapse rate: 6.94 C/km ThetaE index: 0.24 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 931.45 mb = 666.31 m = 2186.04 ft Mean mixing ratio: 2.60 g/kg Conv temperature: 0.38 C = 32.69 F Cap Strength: 8.05 C Lifted Index: 11.05 C Risk: None Lifted Index @300 mb: 22.98 C Lifted Index @700 mb: 6.78 C Showalter Index: 10.23 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.00 C Cross Totals Index: 21.80 C K Index: 9.00 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.82 J/kg Max Up Vert Vel: 3.69 m/s Conv Inhibition (B-): 55189.23 J/kg Cap Strength: 11.04 C Lift Cond Lev (LCL): 941.03 mb = 585.71 m = 1921.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 19 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 1013 4 285 23 22.2 -6.0 | 237 23 19.7 12.7 1 1000 107 290 21 19.7 -7.2 | 236 21 17.2 11.5 2 925 721 320 23 14.8 -17.6 | 265 12 12.2 1.1 3 850 1377 320 25 16.1 -19.2 | 272 14 13.5 -0.5 4 700 2851 325 27 15.5 -22.1 | 285 13 12.9 -3.4 5 500 5300 325 25 14.3 -20.5 | 279 12 11.8 -1.8 6 400 6820 340 23 7.9 -21.6 | 299 6 5.3 -2.9 7 314 8405 360 25 -0.0 -25.0 | 22 7 -2.6 -6.3 8 300 8700 355 27 2.4 -26.9 | 1 8 -0.2 -8.2 9 250 9880 345 25 6.5 -24.1 | 324 7 3.9 -5.5 10 200 11330 345 25 6.5 -24.1 | 324 7 3.9 -5.5 11 150 13200 335 19 8.0 -17.2 | 255 6 5.5 1.5 12 100 15780 350 9 1.6 -8.9 | 174 10 -1.0 9.8 13 70 18040 345 5 1.3 -4.8 | 175 14 -1.3 13.9 14 50 20140 285 1 1.0 -0.3 | 175 19 -1.6 18.4 15 30 23340 205 9 3.8 8.2 | 183 27 1.3 26.9 16 20 25900 200 19 6.5 17.9 | 186 37 3.9 36.6 Wind Parameters Mean winds (0-6000m): 322.2 at 25.2 knts Storm direction: 352.2 at 18.9 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 47.4 deg Storm rel helicity (0-3000m) pos: 51.4 neg: -2.1 tot: 49.3 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 14.98 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 ------------------------------------------------------------------------------- 500 297 22 242 19| 9.9 0.0 9.9| 24.8 -1.9 22.9 45.8 0.48| 10.5 5.0 1000 308 22 252 16| 7.3 0.0 7.3| 37.8 -1.9 35.9 35.9 0.56| 7.8 4.4 1500 312 23 258 15| 5.1 0.0 5.1| 41.7 -1.9 39.8 26.5 0.58| 5.7 3.3 2000 315 24 262 14| 4.1 0.0 4.1| 45.3 -1.9 43.4 21.7 0.61| 4.5 2.7 2500 317 24 266 14| 3.5 0.0 3.5| 49.0 -1.9 47.1 18.8 0.63| 3.8 2.4 3000 318 25 269 14| 3.0 0.0 3.0| 51.4 -2.1 49.3 16.4 0.63| 3.3 2.1 4000 320 25 272 14| 2.2 0.1 2.3| 51.4 -3.9 47.5 11.9 0.58| 2.6 1.5 5000 321 25 274 13| 1.8 0.2 2.0| 51.4 -5.8 45.6 9.1 0.53| 2.2 1.2 6000 322 25 275 13| 1.7 0.1 1.8| 55.3 -6.3 48.9 8.2 0.51| 2.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20251018.12.gif