UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 12 OCT 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 120 SFC 940 647 18.0 6.0 45 12.0 11.2 275 42 296.3 297.5 286.9 314.6 6.24 2 925 783 16.2 2.2 39 14.0 8.9 250 25 295.9 296.7 285.4 310.2 4.85 3 891 1100 13.4 -1.6 35 15.0 6.2 246 34 296.2 296.9 284.4 307.5 3.81 4 850 1495 11.6 -3.4 35 15.0 4.6 240 46 298.3 298.9 284.9 308.8 3.50 5 808 1917 10.4 -3.6 37 14.0 3.8 248 42 301.4 302.0 286.2 312.4 3.62 6 725 2806 3.0 -7.0 48 10.0 -1.3 265 34 302.8 303.3 286.2 312.4 3.12 7 700 3089 0.6 -5.4 64 6.0 -2.0 270 31 303.1 303.8 286.9 314.4 3.65 8 680 3322 -1.5 -4.9 78 3.4 -3.0 269 33 303.3 304.0 287.2 315.3 3.91 9 554 4924 -13.1 -16.5 76 3.4 -14.2 263 51 307.9 308.3 286.8 314.0 1.90 10 500 5700 -18.5 -19.5 92 1.0 -18.8 260 60 310.5 310.8 287.3 315.8 1.63 11 415 7058 -28.3 -33.3 62 5.0 -29.0 260 68 314.9 315.0 287.7 316.8 0.56 12 400 7320 -30.5 -35.4 62 4.9 -31.1 260 69 315.3 315.4 287.8 317.0 0.47 13 380 7683 -32.3 -35.2 75 2.9 -32.7 260 70 317.6 317.7 288.5 319.4 0.50 14 319 8889 -43.3 -47.2 65 3.9 -43.5 260 74 318.7 318.7 288.5 319.3 0.17 15 300 9300 -45.9 -50.7 58 4.8 -46.1 260 75 320.7 320.7 289.1 321.1 0.12 16 283 9687 -48.3 -53.3 56 5.0 -48.5 265 81 322.6 322.6 289.6 323.0 0.09 17 250 10500 -50.9 -56.9 49 6.0 -51.1 275 93 330.4 330.4 291.9 330.7 0.07 18 242 10711 -51.7 -57.7 49 6.0 -51.9 275 93 332.3 332.3 292.4 332.5 0.07 19 200 11950 -50.5 -57.5 43 7.0 -50.8 270 99 352.8 352.8 297.3 353.1 0.08 20 197 12049 -50.5 -57.7 42 7.2 -50.7 270 103 354.4 354.4 297.7 354.7 0.08 21 185 12459 -50.3 -58.3 38 8.0 -50.6 270 97 361.1 361.1 299.0 361.4 0.08 22 150 13810 -55.9 -63.9 36 8.0 -56.1 270 77 373.8 373.8 301.2 374.0 0.05 23 100 16340 -66.1 -78.1 17 12.0 -66.2 275 62 400.0 400.0 305.2 400.1 0.01 24 94 16712 -68.9 -80.9 16 12.0 -69.0 275 55 401.6 401.7 305.5 401.7 0.01 25 85 17317 -65.3 -79.3 13 14.0 -65.5 275 43 420.7 420.7 307.8 420.7 0.01 26 75 18076 -66.1 -83.1 8 17.0 -66.2 275 29 434.3 434.3 309.3 434.3 0.01 27 70 18500 -59.3 -78.3 7 19.0 -59.7 275 21 457.5 457.5 311.5 457.6 0.01 28 69 18590 -59.1 -78.1 7 19.0 -59.6 275 22 459.8 459.8 311.8 459.9 0.01 29 58 19660 -66.3 -94.3 1 28.0 -66.5 278 29 467.0 467.0 312.4 467.0 0.00 30 50 20560 -65.7 -93.7 1 28.0 -66.0 280 36 488.7 488.7 314.1 488.7 0.00 31 46 21070 -62.1 -91.1 1 29.0 -62.6 280 34 509.1 509.1 315.6 509.1 0.00 32 30 23720 -60.3 -90.3 1 30.0 -61.2 280 23 580.3 580.3 319.7 580.3 0.00 33 24 25120 -59.5 -89.5 1 30.0 -60.7 277 30 620.8 620.8 321.5 620.8 0.01 34 22 25669 -57.5 -88.5 1 31.0 -59.1 276 33 642.4 642.4 322.4 642.5 0.01 35 20 26280 -52.1 -85.1 1 33.0 -55.0 275 36 676.7 676.7 323.7 676.8 0.01 36 17 27335 -52.1 -85.1 1 33.0 -55.4 277 35 708.9 708.9 324.7 709.0 0.02 37 14 28614 -45.7 -80.7 1 35.0 -51.8 280 34 771.1 771.1 326.5 771.4 0.04 38 12 29638 -47.7 -81.7 1 34.0 -53.5 282 34 798.7 798.8 327.2 799.1 0.04 39 11 30220 -43.1 -78.1 1 35.0 -51.3 284 33 835.6 835.6 328.1 836.4 0.08 40 10 30860 -45.3 -80.3 1 35.0 -52.8 285 33 850.5 850.5 328.4 851.1 0.06 41 9.1 31494 -41.9 -77.9 1 36.0 -51.5 886.7 886.8 329.2 887.8 0.10 TRP 242 10711 -51.7 -57.7 49 6.0 -51.9 275 93 332.3 332.3 292.4 332.5 0.07 WND 197 12049 -50.5 -57.7 42 7.2 -50.7 270 103 354.4 354.4 297.7 354.7 0.08 Sounding variables and indices 1000-500 mb thick: 5580.00 m Freezing level: 694.29 mb = 3155.46 m = 10352.43 ft Wetbulb zero: 745.91 mb = 2573.00 m = 8441.50 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 60.89 % Est. max temperature: 23.24 C = 73.83 F Sfc-Lift cond lev (LCL): 785.56 mb = 2148.09 m = 7047.47 ft T: 8.48 C 700-500 lapse rate: 7.32 C/km ThetaE index: 7.10 C Layer 925.0- 850.0 mb Conv cond level (CCL): 639.39 mb = 3803.07 m = 12477.10 ft Mean mixing ratio: 4.13 g/kg Conv temperature: 26.26 C = 79.27 F Cap Strength: 5.54 C Lifted Index: 4.39 C Risk: None Lifted Index @300 mb: 8.40 C Lifted Index @700 mb: 5.15 C Showalter Index: 4.57 C Risk: None Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 15.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 219.75 Risk: None Energy Index: 1.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.56 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 52490.21 J/kg Cap Strength: 5.54 C Lift Cond Lev (LCL): 714.75 mb = 2920.97 m = 9583.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 at 34 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 ---------------------------------------------------------- 0 940 647 275 42 41.8 -3.7 | 234 12 9.7 7.1 1 925 783 250 25 23.5 8.6 | 156 21 -8.6 19.3 2 850 1495 240 46 39.8 23.0 | 193 35 7.7 33.7 3 700 3089 270 31 31.0 -0.0 | 174 11 -1.1 10.7 4 500 5700 260 60 59.1 10.4 | 232 34 27.0 21.1 5 400 7320 260 69 68.0 12.0 | 238 42 35.8 22.7 6 300 9300 260 75 73.9 13.0 | 240 48 41.7 23.8 7 250 10500 275 93 92.6 -8.1 | 268 61 60.5 2.6 8 242 10711 275 93 92.6 -8.1 | 268 61 60.5 2.6 9 200 11950 270 99 99.0 -0.0 | 261 68 66.9 10.7 10 197 12049 270 103 103.0 -0.0 | 261 72 70.9 10.7 11 150 13810 270 77 77.0 -0.0 | 257 46 44.9 10.7 12 100 16340 275 62 61.8 -5.4 | 260 30 29.7 5.3 13 70 18500 275 21 20.9 -1.8 | 128 14 -11.2 8.9 14 50 20560 280 36 35.5 -6.3 | 217 6 3.3 4.5 15 30 23720 280 23 22.7 -4.0 | 125 12 -9.5 6.7 16 20 26280 275 36 35.9 -3.1 | 206 8 3.7 7.6 17 10 30860 285 33 31.9 -8.5 | 174 2 -0.2 2.2 Wind Parameters Mean winds (0-6000m): 258.5 at 45.1 knts Storm direction: 288.5 at 33.9 knts Shear (0-3000m) pos: 3.7 neg: 4.4 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): -31.4 deg Storm rel helicity (0-3000m) pos: 122.6 neg: -84.7 tot: 38.0 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 12.3 stream: -0.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.42 Bulk Shear: 27.71 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 ------------------------------------------------------------------------------- 500 252 31 173 20| 0.0 21.7 21.7| 48.8 -65.8 -17.1 -34.1 -0.37| 32.5-12.1 1000 246 37 183 26| 0.0 12.4 12.4|102.5 -65.8 36.6 36.6 -0.11| 22.5 -2.6 1500 246 38 187 26| 2.9 8.3 11.1|106.0 -66.3 39.8 26.5 -0.09| 17.9 -1.6 2000 248 38 188 25| 4.1 6.2 10.3|106.0 -74.0 32.0 16.0 -0.10| 15.4 -1.6 2500 251 37 187 23| 4.5 5.0 9.4|106.7 -84.7 22.0 8.8 -0.14| 13.6 -1.8 3000 253 37 188 21| 3.7 4.4 8.1|122.6 -84.7 38.0 12.7 -0.05| 12.3 -0.7 4000 257 38 195 20| 2.8 4.1 6.9|151.9 -84.7 67.2 16.8 0.03| 10.7 0.3 5000 258 41 204 21| 2.2 4.3 6.6|173.4 -84.7 88.8 17.8 0.06| 9.8 0.6 6000 258 45 212 23| 1.9 4.0 5.9|196.7 -84.7 112.1 18.7 0.08| 8.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251012.12.gif