UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 20 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 185 SFC 945 642 3.4 1.9 90 1.5 2.7 225 1 281.1 281.9 278.6 293.9 4.64 2 943 659 4.4 -12.6 28 17.0 -1.2 212 2 282.2 282.5 275.0 286.8 1.54 3 940 685 11.0 0.0 47 11.0 5.8 193 3 289.2 289.9 281.7 301.0 4.06 4 939 694 11.0 5.0 66 6.0 7.8 186 4 289.3 290.3 283.8 305.9 5.83 5 833 1668 -0.9 -4.3 78 3.4 -2.3 81 32 286.9 287.4 279.7 296.5 3.33 6 828 1716 -0.9 -28.9 10 28.0 -7.0 83 31 287.4 287.4 276.0 288.7 0.42 7 804 1950 -2.3 -5.0 82 2.7 -3.4 92 26 288.3 288.9 280.4 297.8 3.28 8 796 2029 -2.3 -5.0 82 2.7 -3.4 95 24 289.1 289.7 280.8 298.7 3.31 9 793 2059 -2.3 -35.3 6 33.0 -8.4 96 24 289.4 289.5 276.7 290.2 0.24 10 778 2210 -2.5 -35.5 6 33.0 -8.7 102 20 290.8 290.8 277.4 291.6 0.24 11 774 2251 -2.5 -5.5 80 3.0 -3.7 104 20 291.2 291.8 281.7 300.8 3.28 12 719 2832 -4.5 -8.9 71 4.4 -6.1 127 7 295.2 295.7 282.7 303.4 2.71 13 713 2898 -4.5 -9.1 70 4.6 -6.2 129 6 295.9 296.4 283.0 304.1 2.69 14 700 3043 -1.3 -6.3 69 5.0 -3.4 135 3 301.0 301.7 285.8 311.4 3.41 15 693 3122 0.0 -5.0 69 5.0 -2.2 131 3 303.4 304.1 287.1 315.0 3.80 16 521 5315 -16.7 -21.7 65 5.0 -18.0 25 17 309.0 309.3 286.5 313.3 1.29 17 500 5620 -19.5 -24.5 64 5.0 -20.6 10 19 309.3 309.5 286.3 312.8 1.05 18 444 6490 -27.9 -33.9 56 6.0 -28.7 31 15 309.4 309.4 285.7 311.0 0.49 19 400 7230 -35.3 -41.3 54 6.0 -35.8 50 11 309.1 309.2 285.3 310.0 0.26 20 319 8760 -50.1 -55.1 55 5.0 -50.3 50 11 309.3 309.3 285.1 309.5 0.07 21 300 9160 -51.7 -56.4 57 4.7 -51.8 50 11 312.5 312.5 286.3 312.7 0.06 22 280 9606 -55.1 -59.5 58 4.4 -55.2 348 12 313.8 313.8 286.7 314.0 0.04 23 254 10229 -56.9 -61.5 56 4.6 -57.0 260 13 320.0 320.0 288.8 320.2 0.04 24 253 10254 -56.9 -61.5 56 4.6 -57.0 261 13 320.4 320.4 288.9 320.5 0.04 25 250 10330 -55.7 -60.1 58 4.4 -55.8 265 15 323.3 323.3 289.8 323.4 0.05 26 200 11750 -55.3 -59.8 57 4.5 -55.4 270 35 345.2 345.2 295.6 345.5 0.06 27 165 12981 -53.9 -58.8 55 4.9 -54.1 287 40 367.1 367.1 300.1 367.4 0.08 28 150 13590 -55.9 -60.9 53 5.0 -56.1 295 42 373.8 373.8 301.3 374.1 0.07 29 132 14392 -56.8 -62.8 47 5.9 -57.0 335 66 386.0 386.0 303.2 386.3 0.06 30 131 14440 -56.9 -62.9 47 6.0 -57.1 337 65 386.7 386.8 303.3 387.0 0.06 31 116 15201 -57.7 -63.7 46 6.0 -57.9 3 48 398.9 399.0 305.1 399.3 0.06 32 101 16094 -44.7 -49.0 62 4.3 -45.3 33 28 440.1 440.2 310.1 442.4 0.44 33 100 16160 -44.1 -48.4 62 4.3 -44.7 35 27 442.5 442.6 310.4 445.0 0.47 34 90 16844 -39.7 -43.5 67 3.8 -40.5 360 24 464.8 465.1 312.6 469.7 0.90 35 89 16918 -40.3 -44.1 67 3.8 -41.1 356 24 465.1 465.3 312.6 469.8 0.86 36 51 20458 -58.1 -66.1 35 8.0 -58.6 308 19 503.7 503.7 315.2 504.4 0.10 37 50 20580 -56.9 -64.9 36 8.0 -57.4 310 19 509.4 509.4 315.7 510.2 0.12 38 41 21844 -54.1 -63.1 32 9.0 -55.0 285 20 546.1 546.2 317.9 547.4 0.19 39 30 23850 -53.5 -62.5 33 9.0 -54.7 245 21 598.8 598.9 320.6 600.9 0.28 40 24 25288 -52.9 -62.9 29 10.0 -54.5 640.0 640.1 322.4 642.7 0.34 41 20 26474 -48.9 -59.9 27 11.0 -51.6 686.5 686.7 324.1 691.6 0.60 TRP 254 10229 -56.9 -61.5 56 4.6 -57.0 260 13 320.0 320.0 288.8 320.2 0.04 WND 132 14392 -56.8 -62.8 47 5.9 -57.0 335 66 386.0 386.0 303.2 386.3 0.06 Sounding variables and indices 1000-500 mb thick: 5435.00 m Freezing level: 841.02 mb = 1594.61 m = 5231.60 ft Freezing level: 693.00 mb = 3122.40 m = 10243.98 ft Freezing level: 693.00 mb = 3122.40 m = 10243.98 ft Wetbulb zero: 943.62 mb = 654.01 m = 2145.69 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 65.67 % Est. max temperature: 11.43 C = 52.57 F Sfc-Lift cond lev (LCL): 923.26 mb = 831.79 m = 2728.95 ft T: 9.32 C 700-500 lapse rate: 7.06 C/km ThetaE index: 17.21 C Layer 833.0- 804.0 mb Conv cond level (CCL): 842.42 mb = 1576.84 m = 5173.30 ft Mean mixing ratio: 4.62 g/kg Conv temperature: 9.35 C = 48.83 F Cap Strength: 9.24 C Lifted Index: 8.61 C Risk: None Lifted Index @300 mb: 8.05 C Lifted Index @700 mb: 7.41 C Showalter Index: 10.95 C Risk: None Total Totals Index: 37.38 C Risk: None Vertical Totals Index: 20.61 C Cross Totals Index: 16.77 C K Index: 12.88 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.23 J/kg Max Up Vert Vel: 5.52 m/s Conv Inhibition (B-): 1.94 J/kg Cap Strength: 9.22 C Lift Cond Lev (LCL): 830.68 mb = 1690.44 m = 5546.00 ft Lev Free Conv (LFC): 825.68 mb = 1738.43 m = 5703.45 ft Equ Level (EL): 785.68 mb = 2132.11 m = 6995.04 ft B at Equ Level: 13.90 J/kg Max Parcel Lev (MPL): 745.68 mb = 2544.51 m = 8348.02 ft Wind level data Storm motion: 81 at 11 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 ---------------------------------------------------------- 0 945 642 225 1 0.7 0.7 | 258 12 11.9 2.5 1 925 820 95 11 -11.0 1.0 | 185 3 0.3 2.8 2 850 1500 75 35 -33.8 -9.1 | 72 24 -22.6 -7.3 3 700 3043 135 3 -2.1 2.1 | 247 10 9.1 3.9 4 500 5620 10 19 -3.3 -18.7 | 335 19 7.9 -16.9 5 400 7230 50 11 -8.4 -7.1 | 332 6 2.8 -5.3 6 300 9160 50 11 -8.4 -7.1 | 332 6 2.8 -5.3 7 254 10229 260 13 12.8 2.3 | 260 24 24.0 4.1 8 250 10330 265 15 14.9 1.3 | 263 26 26.2 3.1 9 200 11750 270 35 35.0 -0.0 | 268 46 46.2 1.8 10 150 13590 295 42 38.1 -17.7 | 288 52 49.3 -16.0 11 132 14392 335 66 27.9 -59.8 | 326 70 39.1 -58.0 12 100 16160 35 27 -15.5 -22.1 | 12 21 -4.3 -20.3 13 70 18460 275 17 16.9 -1.5 | 269 28 28.2 0.3 14 50 20580 310 19 14.6 -12.2 | 292 28 25.8 -10.4 15 30 23850 245 21 19.0 8.9 | 251 32 30.2 10.7 Wind Parameters Mean winds (0-6000m): 50.9 at 15.1 knts Storm direction: 80.9 at 11.4 knts Shear (0-3000m) pos: 5.1 neg: 6.3 tot: 11.4 10-3/s Storm rel Dir Shear (0-3000m): -25.6 deg Storm rel helicity (0-3000m) pos: 99.2 neg: -58.1 tot: 41.2 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 14.2 stream: 0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.23 Bulk Shear: 12.35 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 90 13 137 2| 0.0 23.8 23.8| 0.0 -34.9 -34.9 -69.7 -0.71| 29.4-20.8 1000 80 21 79 10| 0.0 16.9 16.9| 12.7 -53.6 -40.9 -40.9 -0.51| 22.7-11.5 1500 83 23 84 12| 4.7 11.3 16.0| 56.2 -53.6 2.6 1.8 -0.21| 19.9 -4.1 2000 84 22 87 10| 6.3 8.5 14.7| 81.4 -53.6 27.9 13.9 -0.02| 18.0 -0.3 2500 80 19 79 7| 6.1 6.8 12.9| 99.2 -54.7 44.5 17.8 0.08| 16.3 1.4 3000 82 17 83 5| 5.1 6.3 11.4| 99.2 -58.1 41.2 13.7 0.06| 14.2 0.9 4000 78 15 67 3| 3.8 5.6 9.4|101.2 -58.3 42.9 10.7 0.09| 12.0 1.1 5000 59 15 15 6| 3.1 4.4 7.5|101.2 -75.7 25.4 5.1 0.04| 11.1 0.4 6000 51 15 4 8| 2.4 3.7 6.1|108.7 -75.8 32.9 5.5 0.05| 10.0 0.5 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20250420.00.gif