UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 18 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 1000 12 -5.1 -11.1 63 6.0 -6.8 130 15 268.0 268.3 266.4 272.5 1.63 1 951 406 -4.1 -15.1 42 11.0 -7.0 159 20 272.9 273.2 269.0 276.5 1.24 2 925 623 -6.3 -16.3 45 10.0 -8.8 175 23 272.9 273.1 268.8 276.2 1.16 3 874 1062 -10.5 -17.5 56 7.0 -12.1 188 24 273.0 273.1 268.7 276.1 1.11 4 850 1276 -11.9 -16.9 66 5.0 -13.0 195 25 273.7 273.9 269.4 277.1 1.20 5 786 1871 -15.1 -18.9 73 3.8 -15.9 195 25 276.4 276.6 270.9 279.6 1.09 6 700 2737 -20.9 -25.3 68 4.4 -21.6 195 25 279.3 279.5 272.0 281.4 0.70 7 695 2790 -21.1 -25.5 68 4.4 -21.8 195 25 279.7 279.8 272.2 281.8 0.69 8 500 5130 -40.1 -45.1 59 5.0 -40.4 215 42 284.1 284.2 273.8 284.6 0.14 9 447 5889 -42.3 -49.3 46 7.0 -42.6 218 37 290.6 290.6 277.2 291.0 0.10 10 415 6386 -46.3 -53.3 45 7.0 -46.5 219 34 291.7 291.7 277.6 292.0 0.06 11 400 6630 -46.7 -54.7 40 8.0 -46.9 220 33 294.3 294.3 278.9 294.5 0.06 12 379 6988 -46.5 -54.5 40 8.0 -46.7 220 32 299.1 299.1 281.0 299.4 0.06 13 344 7629 -49.1 -59.1 30 10.0 -49.3 220 29 304.0 304.0 283.1 304.2 0.04 14 300 8530 -47.9 -59.9 24 12.0 -48.2 230 29 317.8 317.8 288.1 318.0 0.04 15 250 9740 -45.7 -61.7 15 16.0 -46.2 235 29 338.1 338.1 293.9 338.3 0.04 16 235 10155 -44.5 -61.5 13 17.0 -45.2 225 27 346.0 346.0 295.8 346.2 0.04 17 231 10271 -44.7 -62.7 12 18.0 -45.4 223 26 347.4 347.4 296.1 347.5 0.04 18 206 11034 -48.1 -67.1 9 19.0 -48.6 205 22 353.6 353.6 297.4 353.7 0.02 19 200 11230 -47.7 -66.7 9 19.0 -48.3 200 21 357.2 357.2 298.2 357.3 0.02 20 183 11822 -42.5 -63.5 8 21.0 -43.6 200 21 374.9 374.9 301.4 375.1 0.04 21 170 12315 -45.9 -66.9 8 21.0 -46.7 200 21 377.2 377.2 301.8 377.4 0.03 22 150 13150 -44.3 -66.3 7 22.0 -45.4 200 21 393.7 393.7 304.3 393.9 0.03 23 139 13660 -43.9 -66.9 6 23.0 -45.1 197 21 403.1 403.1 305.6 403.3 0.03 24 123 14474 -47.5 -69.5 6 22.0 -48.4 193 22 410.9 410.9 306.6 411.0 0.03 25 114 14979 -44.5 -68.5 5 24.0 -45.9 190 22 425.5 425.5 308.4 425.7 0.03 26 100 15850 -47.7 -70.7 5 23.0 -48.8 185 23 435.6 435.6 309.4 435.7 0.03 27 86 16843 -47.5 -70.5 5 23.0 -48.8 187 18 455.2 455.2 311.4 455.4 0.03 28 78 17481 -51.1 -74.1 5 23.0 -52.1 188 15 460.6 460.6 311.8 460.7 0.02 29 73 17914 -47.5 -71.5 5 24.0 -49.0 189 12 477.0 477.0 313.2 477.2 0.03 30 70 18190 -49.1 -73.1 4 24.0 -50.4 190 11 479.3 479.4 313.4 479.5 0.03 31 50 20380 -52.9 -75.9 5 23.0 -54.1 195 7 518.8 518.8 316.2 519.0 0.03 32 41 21660 -55.1 -78.1 4 23.0 -56.3 201 8 543.6 543.6 317.8 543.8 0.02 33 30 23660 -55.7 -78.7 4 23.0 -57.1 210 9 592.8 592.8 320.3 593.0 0.03 34 29 23876 -55.7 -78.7 4 23.0 -57.2 598.6 598.6 320.6 598.8 0.03 TRP 344 7629 -49.1 -59.1 30 10.0 -49.3 220 29 304.0 304.0 283.1 304.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5117.74 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 62.45 % Est. max temperature: 0.53 C = 32.95 F Sfc-Lift cond lev (LCL): 909.17 mb = 756.79 m = 2482.86 ft T: -7.58 C 700-500 lapse rate: 8.02 C/km ThetaE index: 0.35 C Layer 925.0- 850.0 mb Conv cond level (CCL): 750.39 mb = 2217.61 m = 7275.53 ft Mean mixing ratio: 1.30 g/kg Conv temperature: 4.47 C = 40.05 F Cap Strength: 5.51 C Lifted Index: 7.46 C Risk: None Lifted Index @300 mb: 30.07 C Lifted Index @700 mb: 5.27 C Showalter Index: 6.11 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 23.20 C K Index: 6.90 Risk: None Sweat Index: 207.75 Risk: None Energy Index: 1.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.19 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 52215.98 J/kg Cap Strength: 7.43 C Lift Cond Lev (LCL): 820.27 mb = 1546.75 m = 5074.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 232 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 1000 12 130 15 -11.5 9.6 | 82 30 -29.3 -4.1 1 1000 10 130 15 -11.5 9.6 | 82 30 -29.3 -4.1 2 925 623 175 23 -2.0 22.9 | 115 22 -19.9 9.2 3 850 1276 195 25 6.5 24.1 | 132 15 -11.4 10.4 4 700 2737 195 25 6.5 24.1 | 132 15 -11.4 10.4 5 500 5130 215 42 24.1 34.4 | 197 22 6.2 20.7 6 400 6630 220 33 21.2 25.3 | 196 12 3.4 11.6 7 344 7629 220 29 18.6 22.2 | 185 9 0.8 8.5 8 300 8530 230 29 22.2 18.6 | 222 7 4.4 4.9 9 250 9740 235 29 23.8 16.6 | 244 7 5.9 2.9 10 200 11230 200 21 7.2 19.7 | 119 12 -10.7 6.0 11 150 13150 200 21 7.2 19.7 | 119 12 -10.7 6.0 12 100 15850 185 23 2.0 22.9 | 120 18 -15.8 9.2 13 70 18190 190 11 1.9 10.8 | 80 16 -15.9 -2.9 14 50 20380 195 7 1.8 6.8 | 67 17 -16.0 -7.0 15 30 23660 210 9 4.5 7.8 | 66 15 -13.3 -5.9 Wind Parameters Mean winds (0-6000m): 202.4 at 30.0 knts Storm direction: 232.4 at 22.5 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 58.5 deg Storm rel helicity (0-3000m) pos: 140.9 neg: 0.0 tot: 140.9 m^2/s^2 ave: 47.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.27 Bulk Shear: 68.19 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 ------------------------------------------------------------------------------- 500 153 18 96 26| 13.5 0.0 13.5| 86.5 0.0 86.5 173.0 0.90| 13.8 12.4 1000 168 21 107 23| 10.4 0.0 10.4|121.6 0.0 121.6 121.6 0.83| 11.3 9.4 1500 178 22 114 20| 7.9 0.0 7.9|131.9 0.0 131.9 87.9 0.81| 8.7 7.1 2000 183 23 119 19| 5.9 0.0 5.9|131.9 0.0 131.9 65.9 0.81| 6.6 5.3 2500 186 23 121 18| 4.7 0.0 4.7|131.9 0.0 131.9 52.7 0.81| 5.2 4.2 3000 188 24 123 18| 4.3 0.0 4.3|140.9 0.0 140.9 47.0 0.82| 4.8 3.9 4000 192 25 132 17| 4.3 0.0 4.3|176.0 0.0 176.0 44.0 0.86| 4.6 4.0 5000 198 28 145 16| 4.3 0.0 4.3|216.8 0.0 216.8 43.4 0.87| 4.6 4.0 6000 202 30 155 15| 3.4 0.0 3.4|223.0 -0.0 223.0 37.2 0.78| 4.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250418.00.gif