UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 1 MAY 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 942 656 24.6 13.6 50 11.0 17.4 40 3 302.9 304.8 292.7 333.9 10.44 2 929 777 21.0 12.0 56 9.0 15.3 331 6 300.4 302.2 291.3 328.4 9.52 3 925 814 20.6 11.6 56 9.0 14.9 310 7 300.4 302.1 291.1 327.8 9.31 4 920 861 20.2 11.2 56 9.0 14.6 310 9 300.4 302.1 290.9 327.3 9.11 5 913 926 16.8 7.8 55 9.0 11.6 311 12 297.6 298.9 288.4 318.9 7.28 6 850 1529 14.2 5.2 55 9.0 9.1 315 40 301.0 302.2 288.9 320.5 6.53 7 806 1979 11.6 2.6 54 9.0 6.8 326 32 302.9 303.9 288.8 320.1 5.73 8 804 2000 11.6 9.1 85 2.5 10.1 326 32 303.1 304.8 291.7 330.1 9.06 9 796 2084 10.8 8.2 84 2.6 9.2 329 30 303.1 304.7 291.3 328.8 8.60 10 794 2105 10.8 0.8 50 10.0 5.6 329 30 303.3 304.3 288.3 318.8 5.11 11 784 2211 9.8 -0.2 50 10.0 4.7 332 28 303.3 304.2 288.1 318.0 4.81 12 780 2254 9.8 7.6 86 2.2 8.5 333 27 303.8 305.3 291.5 329.0 8.43 13 775 2308 10.2 8.3 88 1.9 9.0 334 26 304.8 306.4 292.1 331.5 8.90 14 723 2882 3.4 0.1 79 3.3 1.7 348 16 303.4 304.4 288.6 319.6 5.33 15 722 2894 3.4 -13.6 28 17.0 -2.9 349 16 303.6 303.9 285.1 309.4 1.85 16 717 2950 2.6 -14.4 27 17.0 -3.5 350 15 303.3 303.6 284.9 308.8 1.75 17 716 2962 2.6 -1.2 76 3.8 0.7 350 14 303.4 304.3 288.2 318.3 4.90 18 700 3145 -0.3 -2.4 86 2.1 -1.3 355 11 302.2 303.0 287.4 316.0 4.58 19 691 3248 -2.3 -4.0 88 1.7 -3.1 352 12 301.0 301.8 286.6 313.5 4.12 20 636 3895 -9.1 -11.8 81 2.7 -10.0 329 15 300.5 301.0 284.6 308.1 2.43 21 517 5471 -15.9 -20.3 69 4.4 -17.1 274 24 310.7 310.9 287.2 315.5 1.47 22 512 5544 -18.3 -23.2 65 4.9 -19.4 271 24 308.6 308.8 286.2 312.4 1.15 23 510 5573 -17.7 -23.7 59 6.0 -19.1 270 24 309.7 309.9 286.5 313.4 1.11 24 500 5720 -20.5 -26.5 59 6.0 -21.7 265 25 308.0 308.2 285.7 311.0 0.88 25 490 5868 -23.9 -28.7 65 4.8 -24.7 265 26 305.7 305.8 284.6 308.1 0.73 26 433 6759 -30.1 -34.4 66 4.3 -30.6 262 35 308.8 308.9 285.5 310.4 0.48 27 400 7320 -32.7 -37.5 62 4.8 -33.2 260 40 312.5 312.6 286.7 313.8 0.38 28 374 7794 -34.5 -39.0 64 4.5 -35.0 293 42 316.2 316.2 287.9 317.4 0.35 29 351 8237 -37.7 -42.3 62 4.6 -38.1 324 45 317.6 317.7 288.3 318.6 0.26 30 323 8805 -44.1 -49.1 57 5.0 -44.3 4 47 316.4 316.5 287.8 317.0 0.14 31 300 9300 -46.7 -52.7 50 6.0 -46.9 40 50 319.5 319.6 288.7 319.9 0.10 32 289 9546 -48.5 -54.5 50 6.0 -48.7 43 49 320.4 320.4 288.9 320.7 0.08 33 282 9707 -48.1 -54.1 50 6.0 -48.3 45 49 323.2 323.2 289.8 323.6 0.09 34 250 10490 -53.7 -60.7 42 7.0 -53.8 55 46 326.2 326.2 290.7 326.4 0.04 35 248 10542 -54.9 -61.9 42 7.0 -55.1 55 46 325.2 325.2 290.4 325.3 0.04 36 246 10593 -53.7 -60.7 42 7.0 -53.8 54 45 327.7 327.7 291.1 327.9 0.04 37 228 11080 -55.7 -62.7 41 7.0 -55.8 49 43 331.9 331.9 292.3 332.0 0.04 38 212 11537 -61.3 -68.3 39 7.0 -61.4 45 40 330.1 330.1 291.7 330.2 0.02 39 200 11900 -60.3 -67.3 39 7.0 -60.4 280 15 337.3 337.3 293.7 337.4 0.02 40 186 12354 -57.5 -65.5 35 8.0 -57.6 275 21 348.9 348.9 296.4 349.0 0.03 41 173 12804 -63.7 -71.7 33 8.0 -63.8 270 27 345.9 345.9 295.7 346.0 0.01 42 172 12839 -61.3 -69.3 34 8.0 -61.4 270 27 350.5 350.5 296.8 350.6 0.02 43 171 12875 -61.3 -61.6 96 0.3 -61.3 269 28 351.1 351.1 296.9 351.3 0.06 44 170 12912 -61.3 -69.3 34 8.0 -61.4 269 28 351.7 351.7 297.0 351.7 0.02 45 160 13289 -58.9 -67.9 30 9.0 -59.0 264 33 361.9 361.9 299.1 362.0 0.03 46 158 13368 -55.7 -65.7 28 10.0 -55.9 264 34 368.6 368.6 300.4 368.8 0.04 47 150 13700 -53.5 -63.5 28 10.0 -53.8 260 38 377.9 377.9 301.9 378.1 0.05 48 116 15355 -53.1 -64.1 25 11.0 -53.5 407.5 407.5 306.2 407.8 0.06 49 109 15762 -47.5 -58.5 27 11.0 -48.3 425.3 425.4 308.4 426.0 0.13 TRP 212 11537 -61.3 -68.3 39 7.0 -61.4 45 40 330.1 330.1 291.7 330.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5588.00 m Freezing level: 701.66 mb = 3126.05 m = 10255.95 ft Wetbulb zero: 722.62 mb = 2886.68 m = 9470.63 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 70.88 % Est. max temperature: 25.03 C = 77.06 F Sfc-Lift cond lev (LCL): 801.42 mb = 2026.71 m = 6649.24 ft T: 11.34 C 700-500 lapse rate: 7.84 C/km ThetaE index: 22.67 C Layer 723.0- 716.0 mb Conv cond level (CCL): 736.25 mb = 2732.12 m = 8963.53 ft Mean mixing ratio: 7.55 g/kg Conv temperature: 25.50 C = 77.91 F Cap Strength: 4.44 C Lifted Index: -5.29 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -1.25 C Lifted Index @700 mb: -1.61 C Showalter Index: -4.38 C Risk: Severe thunderstorms possible Total Totals Index: 60.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 34.70 C Cross Totals Index: 25.70 C K Index: 37.80 Risk: > 80 % chance of thunderstorms Sweat Index: 395.40 Risk: Showers and thunderstorms possible Energy Index: -1.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1084.89 J/kg Max Up Vert Vel: 46.58 m/s Conv Inhibition (B-): 128.10 J/kg Cap Strength: 3.98 C Lift Cond Lev (LCL): 778.85 mb = 2266.26 m = 7435.13 ft Lev Free Conv (LFC): 713.85 mb = 2986.21 m = 9797.16 ft Equ Level (EL): 283.85 mb = 9664.47 m = 31707.21 ft B at Equ Level: 1081.67 J/kg Max Parcel Lev (MPL): 173.85 mb = 12773.25 m = 41906.48 ft Wind level data Storm motion: 327 at 17 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 ---------------------------------------------------------- 0 942 656 40 3 -1.9 -2.3 | 137 16 -10.9 11.6 1 925 814 310 7 5.4 -4.5 | 159 10 -3.6 9.4 2 850 1529 315 40 28.3 -28.3 | 307 24 19.3 -14.4 3 700 3145 355 11 1.0 -11.0 | 110 9 -8.0 3.0 4 500 5720 265 25 24.9 2.2 | 225 23 15.9 16.1 5 400 7320 260 40 39.4 6.9 | 236 37 30.4 20.9 6 300 9300 40 50 -32.1 -38.3 | 59 48 -41.1 -24.4 7 250 10490 55 46 -37.7 -26.4 | 75 48 -46.7 -12.5 8 212 11537 45 40 -28.3 -28.3 | 69 40 -37.3 -14.4 9 200 11900 280 15 14.8 -2.6 | 207 13 5.8 11.3 10 150 13700 260 38 37.4 6.6 | 234 35 28.4 20.5 Wind Parameters Mean winds (0-6000m): 297.2 at 22.1 knts Storm direction: 327.2 at 16.6 knts Shear (0-3000m) pos: 2.8 neg: 4.7 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): -28.1 deg Storm rel helicity (0-3000m) pos: 126.4 neg: -0.7 tot: 125.7 m^2/s^2 ave: 41.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 13.6 stream: 8.3 10^-3/s Energy-Hel index: 0.76 Bulk Rich Number: 63.61 Bulk Shear: 17.06 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 ------------------------------------------------------------------------------- 500 314 12 175 6| 0.0 23.5 23.5| 29.9 0.0 29.9 59.7 0.70| 24.9 17.4 1000 315 22 286 7| 7.8 11.7 19.6| 63.9 0.0 63.9 63.9 0.57| 22.4 12.8 1500 318 26 304 10| 3.4 7.8 11.3| 94.0 0.0 94.0 62.7 0.58| 18.9 10.9 2000 321 26 310 9| 3.0 5.9 8.8|111.8 0.0 111.8 55.9 0.61| 16.8 10.2 2500 321 24 306 7| 3.4 4.7 8.1|126.3 0.0 126.3 50.5 0.65| 15.4 10.0 3000 323 22 310 5| 2.8 4.7 7.5|126.4 -0.7 125.7 41.9 0.61| 13.6 8.3 4000 321 20 296 4| 2.1 4.6 6.7|128.4 -0.9 127.4 31.9 0.57| 11.7 6.7 5000 309 21 262 7| 1.7 4.4 6.0|128.4 -21.0 107.4 21.5 0.45| 10.9 4.9 6000 297 22 250 11| 1.4 4.4 5.8|152.9 -23.0 130.0 21.7 0.44| 9.9 4.3 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20250501.12.gif