UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 21 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 159 SFC 944 647 17.0 2.0 36 15.0 9.2 70 3 295.0 295.8 284.8 308.7 4.68 2 925 819 15.2 1.2 39 14.0 8.0 315 5 294.9 295.7 284.6 308.1 4.51 3 900 1050 13.4 -2.6 33 16.0 5.9 336 4 295.3 295.9 283.7 305.8 3.50 4 850 1530 12.4 -5.6 28 18.0 4.3 20 3 299.1 299.7 284.6 308.1 2.96 5 825 1780 12.0 -7.0 26 19.0 3.6 2 5 301.3 301.8 285.2 309.7 2.74 6 700 3125 0.8 -14.2 32 15.0 -4.6 260 13 303.4 303.7 285.0 309.1 1.82 7 500 5730 -20.1 -27.1 54 7.0 -21.5 225 31 308.5 308.7 285.8 311.3 0.83 8 483 5984 -22.1 -29.1 53 7.0 -23.4 228 31 309.1 309.3 285.9 311.6 0.71 9 455 6422 -22.5 -29.5 53 7.0 -23.8 233 30 314.0 314.1 287.6 316.5 0.73 10 400 7350 -30.3 -38.3 46 8.0 -31.2 245 29 315.6 315.7 287.7 316.9 0.35 11 300 9330 -46.9 -54.9 40 8.0 -47.2 255 23 319.3 319.3 288.6 319.5 0.07 12 265 10138 -53.3 -62.3 33 9.0 -53.5 255 26 321.4 321.4 289.2 321.6 0.03 13 250 10510 -56.1 -65.1 31 9.0 -56.2 255 27 322.7 322.7 289.6 322.8 0.02 14 220 11316 -59.7 -68.7 30 9.0 -59.8 258 32 329.1 329.1 291.5 329.2 0.02 15 200 11910 -60.5 -69.5 30 9.0 -60.6 260 35 337.0 337.0 293.6 337.0 0.02 16 150 13710 -58.7 -67.7 30 9.0 -58.9 259 36 368.9 369.0 300.4 369.1 0.03 17 100 16252 -59.1 -74.1 13 15.0 -59.4 257 37 413.5 413.5 307.0 413.6 0.02 18 70 18470 -62.3 -91.3 1 29.0 -62.6 255 38 451.1 451.1 311.0 451.1 0.00 19 67 18740 -63.3 -92.3 1 29.0 -63.6 258 37 454.6 454.6 311.3 454.6 0.00 20 50 20550 -60.5 -90.5 1 30.0 -61.0 280 33 500.9 500.9 315.0 500.9 0.00 21 37 22409 -62.7 -91.7 1 29.0 -63.3 271 36 540.3 540.3 317.5 540.3 0.00 22 35 22752 -61.7 -90.7 1 29.0 -62.4 270 36 551.6 551.6 318.2 551.6 0.00 23 35 22752 -57.7 -88.7 1 31.0 -58.7 270 36 562.0 562.0 318.8 562.0 0.00 24 34 22934 -56.9 -87.9 1 31.0 -58.0 269 37 568.8 568.8 319.1 568.8 0.01 25 34 22934 -56.1 -87.1 1 31.0 -57.3 269 37 570.9 570.9 319.2 570.9 0.01 26 33 23123 -56.7 -87.7 1 31.0 -57.9 268 37 574.2 574.2 319.4 574.2 0.01 27 30 23720 -61.1 -91.1 1 30.0 -61.9 265 38 578.1 578.1 319.6 578.1 0.00 28 24 25116 -58.5 -88.5 1 30.0 -59.8 254 32 623.7 623.7 321.6 623.8 0.01 29 23 25387 -54.3 -86.3 1 32.0 -56.4 252 31 643.7 643.7 322.4 643.8 0.01 30 20 26280 -56.1 -87.1 1 31.0 -58.1 245 27 664.5 664.5 323.2 664.5 0.01 31 17 27308 -58.3 -89.3 1 31.0 -60.1 689.0 689.0 324.1 689.1 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5571.00 m Freezing level: 692.34 mb = 3224.71 m = 10579.64 ft Wetbulb zero: 769.84 mb = 2346.21 m = 7697.44 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 36.69 % Est. max temperature: 23.72 C = 74.70 F Sfc-Lift cond lev (LCL): 753.36 mb = 2523.42 m = 8278.83 ft T: 5.81 C 700-500 lapse rate: 8.02 C/km ThetaE index: 2.98 C Layer 925.0- 850.0 mb Conv cond level (CCL): 616.60 mb = 4107.14 m = 13474.71 ft Mean mixing ratio: 3.65 g/kg Conv temperature: 27.38 C = 81.29 F Cap Strength: 6.27 C Lifted Index: 3.90 C Risk: None Lifted Index @300 mb: 8.63 C Lifted Index @700 mb: 6.26 C Showalter Index: 3.38 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 14.50 C K Index: 11.90 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 0.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.86 J/kg Max Up Vert Vel: 6.14 m/s Conv Inhibition (B-): 44720.36 J/kg Cap Strength: 6.27 C Lift Cond Lev (LCL): 700.46 mb = 3119.67 m = 10235.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 13 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 ---------------------------------------------------------- 0 944 647 70 3 -2.8 -1.0 | 85 16 -15.8 -1.3 1 925 819 315 5 3.5 -3.5 | 68 10 -9.4 -3.8 2 850 1530 20 3 -1.0 -2.8 | 77 14 -14.0 -3.1 3 700 3125 260 13 12.8 2.3 | 176 2 -0.1 2.0 4 500 5730 225 31 21.9 21.9 | 203 23 9.0 21.6 5 400 7350 245 29 26.3 12.3 | 228 18 13.4 12.0 6 300 9330 255 23 22.2 6.0 | 239 11 9.3 5.7 7 250 10510 255 27 26.1 7.0 | 243 15 13.1 6.7 8 200 11910 260 35 34.5 6.1 | 255 22 21.5 5.8 9 70 18470 255 38 36.7 9.8 | 248 26 23.8 9.6 10 50 20550 280 33 32.5 -5.7 | 287 20 19.6 -6.0 11 30 23720 265 38 37.9 3.3 | 263 25 24.9 3.0 12 20 26280 245 27 24.5 11.4 | 226 16 11.5 11.1 Wind Parameters Mean winds (0-6000m): 238.8 at 17.2 knts Storm direction: 268.8 at 12.9 knts Shear (0-3000m) pos: 0.3 neg: 3.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 127.5 deg Storm rel helicity (0-3000m) pos: 9.4 neg: -40.1 tot: -30.6 m^2/s^2 ave: -10.2 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 43.44 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 ------------------------------------------------------------------------------- 500 333 4 69 12| 0.0 5.0 5.0| 1.7 -16.3 -14.6 -29.2 -0.38| 10.3 -3.9 1000 344 4 71 13| 0.9 2.5 3.4| 7.2 -19.2 -12.0 -12.0 -0.23| 6.7 -1.6 1500 344 4 69 13| 0.6 3.2 3.8| 7.2 -32.9 -25.7 -17.2 -0.39| 6.1 -2.4 2000 321 5 65 11| 0.5 3.6 4.1| 7.2 -39.8 -32.6 -16.3 -0.40| 6.2 -2.5 2500 286 7 72 7| 0.4 3.7 4.0| 7.9 -40.1 -32.1 -12.8 -0.21| 6.7 -1.4 3000 274 8 80 5| 0.3 3.6 3.9| 9.4 -40.1 -30.6 -10.2 -0.14| 6.2 -0.9 4000 258 11 133 3| 0.2 3.6 3.8| 9.8 -41.9 -32.0 -8.0 -0.12| 5.7 -0.7 5000 244 14 180 6| 0.2 3.5 3.7| 9.8 -56.0 -46.1 -9.2 -0.15| 5.6 -0.8 6000 239 17 192 9| 0.4 2.9 3.3| 39.1 -57.4 -18.3 -3.0 -0.05| 5.2 -0.3 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251021.12.gif