UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 19 APR 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 1001 0 -6.9 -9.1 84 2.2 -7.5 360 13 266.2 266.5 265.6 271.3 1.91 1 1000 8 -7.9 -11.5 75 3.6 -8.8 360 13 265.2 265.5 264.3 269.5 1.58 2 991 78 -9.3 -13.5 71 4.2 -10.3 351 12 264.5 264.8 263.4 268.2 1.36 3 982 149 -7.9 -12.0 72 4.1 -8.9 343 12 266.6 266.9 265.3 270.9 1.55 4 950 406 -9.7 -13.1 76 3.4 -10.5 311 9 267.3 267.6 265.6 271.4 1.46 5 927 595 -9.3 -12.4 78 3.1 -10.1 287 7 269.6 269.9 267.4 274.0 1.59 6 925 612 -8.3 -11.3 79 3.0 -9.1 285 7 270.8 271.1 268.4 275.6 1.74 7 921 646 -7.5 -10.3 80 2.8 -8.3 283 8 272.0 272.3 269.4 277.2 1.89 8 850 1268 -8.7 -11.9 78 3.2 -9.6 245 17 277.0 277.3 272.4 282.2 1.80 9 767 2061 -10.5 -14.0 75 3.5 -11.5 245 27 283.4 283.6 275.7 288.3 1.69 10 700 2759 -14.9 -19.1 70 4.2 -15.9 245 36 286.0 286.2 276.5 289.6 1.21 11 509 5094 -30.9 -35.9 61 5.0 -31.4 259 63 293.9 293.9 279.1 295.0 0.35 12 500 5220 -32.3 -37.3 61 5.0 -32.7 260 64 293.7 293.7 278.9 294.7 0.31 13 400 6750 -45.7 -51.7 51 6.0 -45.9 265 79 295.6 295.6 279.5 295.9 0.08 14 385 7003 -48.3 -54.3 50 6.0 -48.4 267 82 295.4 295.4 279.4 295.6 0.06 15 343 7756 -53.3 -59.3 48 6.0 -53.4 275 91 298.5 298.5 280.7 298.7 0.04 16 340 7812 -53.7 -59.7 48 6.0 -53.8 275 89 298.8 298.8 280.8 298.9 0.04 17 328 8043 -54.1 -60.1 48 6.0 -54.2 272 83 301.3 301.3 282.0 301.4 0.04 18 322 8162 -52.7 -58.7 48 6.0 -52.8 271 80 304.8 304.8 283.4 305.0 0.04 19 300 8620 -52.1 -58.1 48 6.0 -52.2 265 69 311.9 311.9 286.1 312.1 0.05 20 290 8840 -51.9 -57.9 48 6.0 -52.0 265 64 315.2 315.2 287.2 315.4 0.05 21 250 9810 -47.9 -56.9 35 9.0 -48.2 265 44 334.9 334.9 293.1 335.1 0.07 22 247 9889 -47.1 -56.1 35 9.0 -47.4 264 44 337.2 337.2 293.7 337.5 0.08 23 200 11280 -47.7 -61.7 18 14.0 -48.2 245 35 357.2 357.2 298.2 357.4 0.05 24 168 12432 -46.5 -64.5 11 18.0 -47.3 251 30 377.5 377.5 301.9 377.7 0.04 25 150 13180 -48.1 -68.1 8 20.0 -48.8 255 27 387.2 387.2 303.4 387.3 0.03 26 141 13588 -48.9 -68.9 8 20.0 -49.6 256 26 392.7 392.7 304.2 392.8 0.03 27 134 13922 -50.1 -71.1 7 21.0 -50.8 256 26 396.3 396.3 304.7 396.4 0.02 28 100 15850 -46.9 -69.9 6 23.0 -48.1 260 23 437.1 437.1 309.6 437.3 0.03 29 96 16121 -46.7 -69.7 6 23.0 -48.0 256 22 442.6 442.6 310.1 442.8 0.03 30 73 17925 -50.7 -74.7 4 24.0 -51.8 229 18 470.2 470.2 312.7 470.4 0.02 31 70 18200 -48.5 -72.5 5 24.0 -49.9 225 17 480.6 480.6 313.5 480.8 0.03 32 68 18391 -47.3 -72.3 4 25.0 -49.0 225 16 487.2 487.2 314.0 487.4 0.03 33 59 19323 -50.1 -74.1 4 24.0 -51.5 225 14 501.1 501.1 315.1 501.3 0.03 34 50 20400 -51.3 -75.3 4 24.0 -52.8 225 11 522.6 522.6 316.5 522.8 0.03 35 30 23700 -53.1 -77.1 4 24.0 -54.9 235 17 599.9 599.9 320.6 600.1 0.04 36 23 25410 -54.7 -78.7 4 24.0 -56.7 222 17 642.5 642.6 322.4 642.8 0.04 37 20 26310 -52.7 -76.7 4 24.0 -55.4 215 17 674.9 674.9 323.6 675.3 0.06 38 10 30910 -43.1 -69.1 4 26.0 -51.3 205 11 858.7 858.8 328.7 862.4 0.35 39 8.8 31774 -41.7 -68.7 4 27.0 -51.2 896.1 896.3 329.4 900.7 0.42 40 7.4 32950 -41.3 -68.3 4 27.0 -51.7 943.2 943.5 330.3 949.4 0.53 TRP 340 7812 -53.7 -59.7 48 6.0 -53.8 275 89 298.8 298.8 280.8 298.9 0.04 WND 343 7756 -53.3 -59.3 48 6.0 -53.4 275 91 298.5 298.5 280.7 298.7 0.04 Sounding variables and indices 1000-500 mb thick: 5212.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 70.87 % Est. max temperature: 3.89 C = 39.00 F Sfc-Lift cond lev (LCL): 966.48 mb = 272.43 m = 893.79 ft T: -8.77 C 700-500 lapse rate: 7.07 C/km ThetaE index: 3.11 C Layer 1000.0- 982.0 mb Conv cond level (CCL): 684.43 mb = 2923.88 m = 9592.65 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 13.50 C = 56.31 F Cap Strength: 17.57 C Lifted Index: 17.28 C Risk: None Lifted Index @300 mb: 27.68 C Lifted Index @700 mb: 13.26 C Showalter Index: 9.93 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 20.40 C K Index: 7.50 Risk: None Sweat Index: 155.35 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.40 J/kg Max Up Vert Vel: 7.93 m/s Conv Inhibition (B-): 84790.21 J/kg Cap Strength: 17.57 C Lift Cond Lev (LCL): 899.33 mb = 830.39 m = 2724.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 29 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 1001 0 360 13 -0.0 -13.0 | 80 28 -28.0 -5.0 1 1000 8 360 13 -0.0 -13.0 | 80 28 -28.0 -5.0 2 925 612 285 7 6.8 -1.8 | 106 22 -21.2 6.1 3 850 1268 245 17 15.4 7.2 | 140 20 -12.6 15.1 4 700 2759 245 36 32.6 15.2 | 191 24 4.7 23.2 5 500 5220 260 64 63.0 11.1 | 241 40 35.1 19.1 6 400 6750 265 79 78.7 6.9 | 254 53 50.7 14.8 7 343 7756 275 91 90.7 -7.9 | 270 63 62.7 0.0 8 340 7812 275 89 88.7 -7.8 | 270 61 60.7 0.2 9 300 8620 265 69 68.7 6.0 | 251 43 40.8 14.0 10 250 9810 265 44 43.8 3.8 | 233 20 15.9 11.8 11 200 11280 245 35 31.7 14.8 | 189 23 3.8 22.7 12 150 13180 255 27 26.1 7.0 | 173 15 -1.9 14.9 13 100 15850 260 23 22.7 4.0 | 156 13 -5.3 11.9 14 70 18200 225 17 12.0 12.0 | 141 26 -15.9 20.0 15 50 20400 225 11 7.8 7.8 | 128 26 -20.2 15.7 16 30 23700 235 17 13.9 9.8 | 142 23 -14.0 17.7 17 20 26310 215 17 9.8 13.9 | 140 28 -18.2 21.9 18 10 30910 205 11 4.6 10.0 | 128 29 -23.3 17.9 Wind Parameters Mean winds (0-6000m): 255.9 at 38.8 knts Storm direction: 285.9 at 29.1 knts Shear (0-3000m) pos: 1.0 neg: 6.9 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 118.1 deg Storm rel helicity (0-3000m) pos: 231.3 neg: 0.0 tot: 231.3 m^2/s^2 ave: 77.1 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 7.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.16 Bulk Shear: 198.15 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 ------------------------------------------------------------------------------- 500 338 11 86 24| 0.0 11.9 11.9| 50.5 0.0 50.5 100.9 0.68| 12.6 8.6 1000 308 10 95 20| 0.0 10.1 10.1| 91.0 0.0 91.0 91.0 0.75| 11.0 8.3 1500 275 12 113 17| 0.0 9.6 9.6|133.2 0.0 133.2 88.8 0.81| 10.3 8.4 2000 261 15 128 17| 0.0 8.7 8.7|165.2 0.0 165.2 82.6 0.84| 9.4 7.9 2500 255 18 140 17| 0.0 8.2 8.2|197.3 0.0 197.3 78.9 0.86| 8.8 7.6 3000 252 21 150 17| 1.0 6.9 7.9|231.3 0.0 231.3 77.1 0.86| 8.4 7.3 4000 251 27 170 17| 2.3 5.1 7.5|309.7 0.0 309.7 77.4 0.87| 7.9 6.8 5000 253 33 191 18| 3.2 4.1 7.3|402.3 0.0 402.3 80.5 0.85| 7.6 6.5 6000 256 39 209 20| 3.6 3.4 7.0|482.8 0.0 482.8 80.5 0.83| 7.3 6.1 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250419.00.gif