UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 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 -1 -7.5 -9.3 87 1.8 -8.0 100 7 265.6 265.9 265.1 270.7 1.88 1 1000 7 -8.1 -10.8 81 2.7 -8.8 105 7 265.0 265.3 264.3 269.6 1.67 2 999 15 -8.7 -12.7 73 4.0 -9.7 107 7 264.5 264.8 263.5 268.4 1.44 3 968 259 -9.1 -12.0 79 2.9 -9.8 157 17 266.5 266.8 265.2 270.8 1.57 4 955 364 -7.3 -9.6 84 2.3 -7.9 179 21 269.4 269.7 267.8 274.7 1.93 5 947 430 -2.9 -4.8 87 1.9 -3.6 192 24 274.5 275.0 272.5 282.3 2.82 6 925 617 -1.7 -3.4 88 1.7 -2.4 230 31 277.6 278.1 274.8 286.5 3.21 7 916 695 -1.9 -3.6 88 1.7 -2.6 232 32 278.1 278.7 275.1 287.0 3.19 8 850 1286 -5.7 -8.8 79 3.1 -6.7 245 36 280.2 280.6 275.0 286.7 2.31 9 820 1566 -7.9 -10.9 79 3.0 -8.8 244 40 280.7 281.1 274.9 286.6 2.03 10 780 1954 -8.7 -11.3 81 2.6 -9.5 243 47 283.9 284.3 276.6 289.9 2.06 11 732 2444 -11.7 -14.4 80 2.7 -12.5 241 54 285.9 286.1 277.1 290.9 1.71 12 712 2656 -11.3 -14.0 80 2.7 -12.1 240 58 288.6 288.9 278.6 294.0 1.82 13 700 2786 -12.5 -15.1 81 2.6 -13.2 240 60 288.6 288.9 278.5 293.7 1.69 14 500 5270 -28.9 -33.1 67 4.2 -29.4 240 77 297.8 297.9 281.1 299.4 0.47 15 440 6174 -35.7 -40.5 61 4.8 -36.1 243 80 300.3 300.3 281.8 301.2 0.25 16 422 6464 -38.9 -43.9 59 5.0 -39.2 244 82 299.8 299.8 281.5 300.4 0.18 17 400 6830 -41.3 -46.3 58 5.0 -41.6 245 83 301.3 301.3 282.1 301.8 0.15 18 396 6898 -41.7 -46.7 58 5.0 -41.9 245 83 301.7 301.7 282.3 302.2 0.14 19 349 7739 -49.3 -54.2 56 4.9 -49.4 250 85 302.5 302.6 282.5 302.8 0.07 20 324 8220 -53.7 -58.6 55 4.9 -53.8 252 84 302.9 302.9 282.6 303.1 0.04 21 300 8710 -57.1 -62.0 54 4.9 -57.2 255 83 304.9 304.9 283.4 305.0 0.03 22 293 8858 -59.9 -64.6 54 4.7 -60.0 255 81 302.9 302.9 282.6 303.0 0.02 23 287 8986 -59.7 -64.5 53 4.8 -59.7 254 77 305.0 305.0 283.4 305.1 0.02 24 272 9323 -55.9 -60.8 54 4.9 -56.0 253 67 315.3 315.3 287.2 315.4 0.04 25 250 9860 -53.7 -58.7 54 5.0 -53.8 250 52 326.2 326.2 290.7 326.5 0.06 26 237 10206 -51.3 -56.3 55 5.0 -51.5 249 49 334.9 334.9 293.1 335.2 0.08 27 224 10577 -48.7 -54.7 50 6.0 -49.0 248 46 344.3 344.3 295.4 344.7 0.10 28 210 11000 -51.1 -57.1 49 6.0 -51.3 246 43 347.0 347.0 296.0 347.3 0.08 29 200 11320 -48.9 -55.9 44 7.0 -49.2 245 40 355.3 355.4 297.8 355.8 0.10 30 176 12161 -47.5 -56.5 35 9.0 -48.0 247 34 370.9 370.9 300.8 371.3 0.10 31 150 13210 -50.1 -62.1 23 12.0 -50.6 250 27 383.7 383.8 302.9 384.0 0.06 32 125 14401 -51.5 -65.5 17 14.0 -52.0 259 30 401.7 401.8 305.5 402.0 0.05 33 119 14721 -51.1 -65.1 17 14.0 -51.7 261 30 408.2 408.2 306.3 408.4 0.05 34 100 15860 -49.1 -65.1 14 16.0 -50.0 270 33 432.9 432.9 309.1 433.2 0.06 35 97 16060 -47.5 -64.5 12 17.0 -48.6 269 32 439.8 439.8 309.9 440.1 0.07 36 79 17402 -52.5 -69.5 11 17.0 -53.3 260 25 456.0 456.0 311.4 456.3 0.04 37 70 18190 -48.5 -67.5 9 19.0 -49.8 255 21 480.6 480.6 313.5 481.0 0.06 38 69 18284 -48.3 -67.3 9 19.0 -49.7 254 21 483.0 483.1 313.7 483.4 0.06 39 61 19088 -51.7 -70.7 9 19.0 -52.8 245 18 492.8 492.8 314.4 493.1 0.05 40 57 19529 -49.5 -69.5 8 20.0 -51.0 240 16 507.4 507.5 315.5 507.8 0.06 41 50 20380 -52.5 -72.5 7 20.0 -53.7 230 13 519.8 519.8 316.3 520.0 0.04 42 49 20511 -52.7 -72.7 7 20.0 -53.9 522.3 522.3 316.5 522.6 0.04 43 43 21358 -50.7 -70.7 8 20.0 -52.4 547.1 547.1 317.9 547.5 0.06 44 32 23271 -53.5 -74.5 6 21.0 -55.2 587.8 587.9 320.0 588.2 0.05 TRP 293 8858 -59.9 -64.6 54 4.7 -60.0 255 81 302.9 302.9 282.6 303.0 0.02 WND 349 7739 -49.3 -54.2 56 4.9 -49.4 250 85 302.5 302.6 282.5 302.8 0.07 Sounding variables and indices 1000-500 mb thick: 5263.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 77.78 % Est. max temperature: 7.07 C = 44.73 F Sfc-Lift cond lev (LCL): 972.58 mb = 222.48 m = 729.93 ft T: -9.04 C 700-500 lapse rate: 6.60 C/km ThetaE index: 2.22 C Layer 1000.0- 968.0 mb Conv cond level (CCL): 1000.00 mb = 7.00 m = 22.97 ft Mean mixing ratio: 2.35 g/kg Conv temperature: -6.40 C = 20.47 F Cap Strength: 11.59 C Lifted Index: 16.37 C Risk: None Lifted Index @300 mb: 18.82 C Lifted Index @700 mb: 11.45 C Showalter Index: 9.78 C Risk: None Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.10 C K Index: 11.80 Risk: None Sweat Index: 149.00 Risk: None Energy Index: 2.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.96 J/kg Max Up Vert Vel: 12.33 m/s Conv Inhibition (B-): 49852.77 J/kg Cap Strength: 16.28 C Lift Cond Lev (LCL): 922.07 mb = 642.29 m = 2107.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 42 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 -1 100 7 -6.9 1.2 | 91 49 -48.9 1.2 1 1000 7 105 7 -6.8 1.8 | 92 49 -48.8 1.8 2 925 617 230 31 23.7 19.9 | 137 27 -18.3 19.9 3 850 1286 245 36 32.6 15.2 | 148 18 -9.4 15.2 4 700 2786 240 60 52.0 30.0 | 198 32 9.9 30.0 5 500 5270 240 77 66.7 38.5 | 213 46 24.7 38.5 6 400 6830 245 83 75.2 35.1 | 223 48 33.2 35.0 7 349 7739 250 85 79.9 29.1 | 233 48 37.9 29.0 8 300 8710 255 83 80.2 21.5 | 241 44 38.2 21.4 9 293 8858 255 81 78.2 21.0 | 240 42 36.2 20.9 10 250 9860 250 52 48.9 17.8 | 201 19 6.8 17.7 11 200 11320 245 40 36.3 16.9 | 161 18 -5.8 16.9 12 150 13210 250 27 25.4 9.2 | 119 19 -16.6 9.2 13 100 15860 270 33 33.0 -0.0 | 90 9 -9.0 -0.0 14 70 18190 255 21 20.3 5.4 | 104 22 -21.7 5.4 15 50 20380 230 13 10.0 8.4 | 105 33 -32.1 8.3 Wind Parameters Mean winds (0-6000m): 240.0 at 56.0 knts Storm direction: 270.0 at 42.0 knts Shear (0-3000m) pos: 7.8 neg: 3.8 tot: 11.6 10-3/s Storm rel Dir Shear (0-3000m): 108.7 deg Storm rel helicity (0-3000m) pos: 581.6 neg: 0.0 tot: 581.6 m^2/s^2 ave: 193.9 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 14.5 stream: 10.3 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 0.26 Bulk Shear: 293.59 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 ------------------------------------------------------------------------------- 500 190 17 113 42| 29.9 0.0 29.9|390.6 0.0 390.6 781.1 0.85| 36.9 31.5 1000 228 24 124 29| 20.3 0.0 20.3|454.4 0.0 454.4 454.4 0.71| 28.0 19.9 1500 235 28 130 25| 15.5 0.0 15.5|479.8 0.0 479.8 319.9 0.71| 21.3 15.0 2000 238 32 138 23| 11.6 2.1 13.7|517.5 0.0 517.5 258.8 0.73| 18.1 13.1 2500 239 36 148 22| 9.3 3.3 12.7|553.8 0.0 553.8 221.5 0.72| 16.1 11.7 3000 239 40 158 22| 7.8 3.8 11.6|581.6 0.0 581.6 193.9 0.71| 14.5 10.3 4000 240 46 174 23| 5.8 3.7 9.6|619.5 0.0 619.5 154.9 0.70| 11.8 8.3 5000 240 51 185 26| 4.7 3.7 8.4|657.5 0.0 657.5 131.5 0.69| 10.1 7.0 6000 240 56 193 29| 4.3 3.1 7.4|718.0 0.0 718.0 119.7 0.70| 8.9 6.2 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250419.12.gif