UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 29 APR 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 132 SFC 943 649 23.8 17.8 69 6.0 19.6 355 19 302.0 304.5 294.9 342.5 13.72 2 939 687 22.2 17.4 74 4.8 18.9 352 18 300.7 303.2 294.4 340.1 13.43 3 934 734 23.8 17.8 69 6.0 19.6 348 17 302.8 305.4 295.3 343.8 13.86 4 925 819 23.6 16.6 65 7.0 18.8 340 15 303.4 305.8 294.8 341.9 12.95 5 918 885 23.4 16.4 65 7.0 18.6 342 16 303.9 306.3 294.8 342.2 12.88 6 880 1249 18.2 12.2 68 6.0 14.4 355 24 302.2 304.1 292.4 332.4 10.20 7 850 1545 17.4 11.4 68 6.0 13.6 5 31 304.4 306.2 292.9 334.3 10.01 8 847 1574 17.2 11.2 68 6.0 13.4 5 32 304.5 306.3 292.8 334.1 9.91 9 844 1603 18.6 12.6 68 6.0 14.7 5 33 306.3 308.3 294.1 339.1 10.93 10 500 5630 -23.3 -30.3 53 7.0 -24.4 205 106 304.6 304.7 284.1 306.7 0.62 11 478 5957 -24.5 -32.5 47 8.0 -25.7 202 115 307.1 307.2 284.9 308.9 0.52 12 423 6834 -29.0 -37.0 46 8.0 -30.0 195 141 312.2 312.3 286.6 313.6 0.38 13 400 7230 -31.1 -39.1 45 8.0 -32.0 120 66 314.6 314.6 287.3 315.7 0.32 14 391 7391 -31.7 -38.7 50 7.0 -32.4 112 65 315.8 315.9 287.8 317.1 0.34 15 387 7463 -33.7 -41.7 44 8.0 -34.4 109 65 314.1 314.2 287.1 315.1 0.25 16 360 7963 -38.7 -46.7 43 8.0 -39.2 85 63 314.0 314.0 286.9 314.6 0.16 17 300 9190 -47.1 -54.1 45 7.0 -47.3 25 58 319.0 319.0 288.5 319.3 0.08 18 265 10005 -50.5 -57.5 43 7.0 -50.7 290 37 325.5 325.5 290.5 325.8 0.06 19 263 10054 -52.3 -58.3 48 6.0 -52.5 284 36 323.6 323.6 289.9 323.8 0.06 20 250 10380 -55.1 -61.1 47 6.0 -55.2 245 27 324.1 324.2 290.0 324.3 0.04 21 229 10936 -61.1 -67.1 45 6.0 -61.2 255 29 323.2 323.2 289.8 323.3 0.02 22 212 11413 -64.7 -69.7 50 5.0 -64.7 264 31 324.8 324.8 290.2 324.9 0.02 23 211 11442 -64.9 -69.9 50 5.0 -65.0 265 31 325.0 325.0 290.3 325.0 0.01 24 200 11770 -64.9 -69.9 50 5.0 -65.0 260 29 330.0 330.0 291.7 330.0 0.02 25 194 11956 -63.9 -69.9 44 6.0 -64.0 259 31 334.5 334.5 292.9 334.5 0.02 26 169 12817 -55.5 -61.5 47 6.0 -55.6 257 39 361.9 361.9 299.1 362.2 0.06 27 150 13570 -58.9 -64.9 46 6.0 -59.0 255 46 368.6 368.6 300.4 368.8 0.04 28 148 13654 -59.3 -65.3 46 6.0 -59.4 256 46 369.3 369.3 300.5 369.5 0.04 29 136 14188 -57.1 -64.1 41 7.0 -57.3 261 44 382.3 382.3 302.6 382.5 0.05 30 116 15181 -64.1 -70.1 44 6.0 -64.2 271 41 387.1 387.1 303.4 387.2 0.03 31 105 15797 -60.9 -67.9 39 7.0 -61.0 277 39 404.4 404.4 305.8 404.6 0.04 32 101 16038 -62.5 -69.5 38 7.0 -62.6 279 38 405.8 405.8 306.0 406.0 0.03 33 100 16100 -62.1 -69.1 39 7.0 -62.3 280 38 407.7 407.8 306.2 407.9 0.03 34 82 17318 -64.1 -70.1 44 6.0 -64.2 272 32 427.5 427.5 308.6 427.7 0.04 35 73 18037 -58.7 -65.7 40 7.0 -59.0 267 28 453.3 453.4 311.2 453.8 0.08 36 70 18300 -58.7 -65.7 40 7.0 -59.0 265 27 458.8 458.8 311.7 459.3 0.08 37 56 19707 -58.9 -66.9 35 8.0 -59.3 325 16 488.6 488.6 314.1 489.1 0.08 38 53 20056 -56.1 -64.1 36 8.0 -56.6 339 14 502.8 502.9 315.2 503.6 0.13 39 52 20178 -53.7 -62.7 32 9.0 -54.5 345 13 511.2 511.2 315.8 512.2 0.16 40 50 20430 -55.1 -64.1 32 9.0 -55.8 355 11 513.6 513.7 315.9 514.5 0.14 41 36 22544 -52.9 -61.9 33 9.0 -54.0 345 12 569.9 570.0 319.2 571.7 0.26 42 30 23740 -46.5 -56.5 31 10.0 -48.8 340 13 617.9 618.1 321.6 622.5 0.61 43 22 25817 -42.5 -52.5 33 10.0 -46.2 687.1 687.7 324.4 698.3 1.35 TRP 211 11442 -64.9 -69.9 50 5.0 -65.0 265 31 325.0 325.0 290.3 325.0 0.01 WND 423 6834 -29.0 -37.0 46 8.0 -30.0 195 141 312.2 312.3 286.6 313.6 0.38 Sounding variables and indices 1000-500 mb thick: 5498.00 m Freezing level: 691.29 mb = 3390.72 m = 11124.26 ft Wetbulb zero: 714.89 mb = 2880.11 m = 9449.06 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 61.58 % Est. max temperature: 28.18 C = 82.72 F Sfc-Lift cond lev (LCL): 863.67 mb = 1408.99 m = 4622.60 ft T: 17.77 C 700-500 lapse rate: 10.41 C/km ThetaE index: 9.82 C Layer 880.0- 850.0 mb Conv cond level (CCL): 777.57 mb = 2233.69 m = 7328.30 ft Mean mixing ratio: 11.44 g/kg Conv temperature: 28.21 C = 82.79 F Cap Strength: 2.99 C Lifted Index: -15.32 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -11.32 C Lifted Index @700 mb: -3.13 C Showalter Index: -14.06 C Risk: Severe thunderstorms probable Total Totals Index: 75.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 40.70 C Cross Totals Index: 34.70 C K Index: 45.74 Risk: > 80 % chance of thunderstorms Sweat Index: 832.80 Risk: Severe Thunderstorms possible Energy Index: -5.87 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3835.04 J/kg Max Up Vert Vel: 87.58 m/s Conv Inhibition (B-): 60.81 J/kg Cap Strength: 2.99 C Lift Cond Lev (LCL): 814.46 mb = 1877.20 m = 6158.70 ft Lev Free Conv (LFC): 749.46 mb = 2516.92 m = 8257.52 ft Equ Level (EL): 189.46 mb = 12103.76 m = 39710.01 ft B at Equ Level: 3814.28 J/kg Max Parcel Lev (MPL): 99.46 mb = 16133.44 m = 52930.60 ft Wind level data Storm motion: 262 at 60 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 ---------------------------------------------------------- 0 943 649 355 19 1.7 -18.9 | 65 63 -57.4 -27.0 1 925 819 340 15 5.1 -14.1 | 68 58 -53.9 -22.2 2 850 1545 5 31 -2.7 -30.9 | 58 73 -61.7 -39.0 3 700 3101 15 81 -21.0 -78.2 | 43 118 -80.0 -86.3 4 500 5630 205 106 44.8 96.1 | 171 89 -14.2 88.0 5 423 6834 195 141 36.5 136.2 | 170 130 -22.5 128.1 6 400 7230 120 66 -57.2 33.0 | 102 119 -116.2 24.9 7 300 9190 25 58 -24.5 -52.6 | 54 103 -83.5 -60.7 8 250 10380 245 27 24.5 11.4 | 95 35 -34.5 3.3 9 211 11442 265 31 30.9 2.7 | 79 29 -28.1 -5.4 10 200 11770 260 29 28.6 5.0 | 84 31 -30.5 -3.1 11 150 13570 255 46 44.4 11.9 | 105 15 -14.6 3.8 12 100 16100 280 38 37.4 -6.6 | 56 26 -21.6 -14.7 13 70 18300 265 27 26.9 2.4 | 80 33 -32.1 -5.7 14 50 20430 355 11 1.0 -11.0 | 72 61 -58.1 -19.1 15 30 23740 340 13 4.4 -12.2 | 70 58 -54.6 -20.3 Wind Parameters Mean winds (0-6000m): 232.2 at 79.4 knts Storm direction: 262.2 at 59.6 knts Shear (0-3000m) pos: 7.9 neg: 8.8 tot: 16.7 10-3/s Storm rel Dir Shear (0-3000m): -47.9 deg Storm rel helicity (0-3000m) pos: 37.8 neg: -2051.3 tot: -2013.5 m^2/s^2 ave: -671.2 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 21.8 stream: -13.5 10^-3/s Energy-Hel index: 0.90 Bulk Rich Number: 3.69 Bulk Shear: 1039.18 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 ------------------------------------------------------------------------------- 500 347 18 65 61| 0.0 3.6 3.6| 37.8 -91.6 -53.8 -107.6 -0.26| 13.2 -3.5 1000 357 23 62 66| 7.1 1.8 9.0| 37.8-218.7-180.9 -180.9 -0.38| 13.9 -5.3 1500 2 30 58 71| 10.3 1.2 11.5| 37.8-426.4-388.6 -259.1 -0.46| 14.8 -6.8 2000 6 37 55 77| 11.9 0.9 12.8| 37.8-599.5-561.7 -280.9 -0.45| 15.3 -6.9 2500 10 45 52 85| 9.5 3.7 13.2| 37.8-848.3-810.6 -324.2 -0.45| 15.9 -7.2 3000 6 51 47 87| 7.9 8.8 16.7| 37.8-2051.3-2013.5 -671.2 -0.62| 21.8-13.5 4000 346 62 33 81| 6.0 16.4 22.3| 37.8-3548.2-3510.5 -877.6 -0.73| 30.2 -22.0 5000 348 70 30 89| 4.8 17.5 22.2| 37.8-5023.5-4985.8 -997.2 -0.77| 36.2 -28.0 6000 232 79 185 41| 4.0 17.1 21.1| 53.8-5071.2-5017.4 -836.2 -0.71| 33.1 -23.4 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20250429.12.gif