UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 18 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 183 SFC 947 646 19.0 1.0 30 18.0 9.7 90 7 296.7 297.5 285.2 309.6 4.34 2 925 845 16.2 -1.8 29 18.0 7.5 5 9 295.9 296.5 284.1 306.7 3.62 3 850 1554 9.2 -6.8 32 16.0 2.4 340 5 295.8 296.3 283.0 303.9 2.70 4 809 1961 6.0 -7.0 39 13.0 0.5 315 11 296.6 297.1 283.4 305.0 2.79 5 747 2609 1.4 -5.6 60 7.0 -1.6 273 20 298.4 299.0 284.8 308.6 3.37 6 705 3073 -0.7 -4.1 78 3.4 -2.2 244 26 301.1 301.8 286.5 313.2 4.00 7 700 3130 -0.7 -4.2 77 3.5 -2.3 240 27 301.7 302.4 286.7 313.9 4.00 8 685 3303 -0.3 -5.3 69 5.0 -2.5 241 28 304.0 304.7 287.3 315.6 3.76 9 629 3980 -5.5 -13.5 53 8.0 -8.3 246 30 305.6 306.0 286.2 312.4 2.14 10 537 5196 -16.5 -21.5 65 5.0 -17.7 256 36 306.6 306.8 285.6 310.8 1.28 11 500 5730 -19.9 -22.2 82 2.3 -20.4 260 38 308.8 309.0 286.4 313.0 1.29 12 454 6439 -25.7 -27.0 89 1.3 -25.9 258 41 310.1 310.3 286.5 313.3 0.92 13 433 6783 -26.9 -28.2 89 1.3 -27.1 257 42 312.9 313.0 287.3 315.8 0.87 14 400 7350 -31.7 -33.3 86 1.6 -31.9 255 44 313.8 313.9 287.3 315.8 0.58 15 300 9320 -46.1 -49.8 66 3.7 -46.3 255 50 320.4 320.4 289.0 320.9 0.13 16 279 9800 -50.5 -54.6 62 4.1 -50.6 257 51 320.8 320.8 289.0 321.1 0.08 17 250 10510 -55.1 -59.8 56 4.7 -55.2 260 52 324.1 324.2 290.1 324.3 0.05 18 223 11230 -59.1 -64.0 53 4.9 -59.2 260 56 328.8 328.8 291.4 328.9 0.03 19 201 11879 -58.7 -63.6 53 4.9 -58.8 265 69 339.3 339.3 294.2 339.4 0.04 20 200 11910 -58.7 -63.6 53 4.9 -58.8 265 68 339.8 339.8 294.3 340.0 0.04 21 150 13720 -58.5 -63.5 52 5.0 -58.6 265 60 369.3 369.3 300.5 369.5 0.05 22 139 14199 -58.1 -64.1 46 6.0 -58.2 266 59 378.1 378.1 302.0 378.4 0.05 23 100 16250 -62.5 -69.5 38 7.0 -62.6 270 56 407.0 407.0 306.2 407.1 0.03 24 91 16833 -60.1 -68.1 34 8.0 -60.3 273 54 422.9 422.9 308.1 423.1 0.04 25 70 18460 -61.5 -71.5 25 10.0 -61.7 280 48 452.8 452.8 311.1 453.0 0.04 26 66 18825 -62.3 -73.3 22 11.0 -62.6 279 47 458.8 458.8 311.7 458.9 0.03 27 57 19738 -59.1 -72.1 17 13.0 -59.6 277 46 485.7 485.7 313.9 485.9 0.04 28 51 20428 -63.7 -77.7 13 14.0 -64.0 275 44 490.6 490.6 314.2 490.7 0.02 29 50 20550 -63.5 -77.5 13 14.0 -63.8 275 44 493.8 493.8 314.5 494.0 0.02 30 30 23690 -60.9 -90.9 1 30.0 -61.7 305 29 578.6 578.6 319.6 578.6 0.00 31 24 25079 -60.5 -90.5 1 30.0 -61.6 291 36 617.9 617.9 321.4 617.9 0.00 32 22 25626 -56.9 -87.9 1 31.0 -58.6 286 39 644.2 644.2 322.4 644.3 0.01 33 20 26230 -56.9 -87.9 1 31.0 -58.7 280 42 662.0 662.0 323.2 662.1 0.01 34 17 27263 -56.1 -87.1 1 31.0 -58.3 281 45 696.1 696.1 324.3 696.2 0.01 35 15 28069 -51.5 -84.5 1 33.0 -55.2 282 47 736.7 736.7 325.6 736.9 0.02 36 11 30078 -53.1 -85.1 1 32.0 -57.2 284 52 799.3 799.3 327.3 799.5 0.03 37 10 30700 -47.9 -81.9 1 34.0 -54.2 285 54 840.7 840.8 328.2 841.2 0.05 38 9.7 30901 -47.1 -81.1 1 34.0 -53.9 851.1 851.1 328.4 851.7 0.06 39 9.3 31183 -42.1 -78.1 1 36.0 -51.5 880.5 880.5 329.1 881.5 0.10 40 8.9 31481 -42.3 -78.3 1 36.0 -51.8 890.8 890.9 329.2 891.9 0.10 TRP 223 11230 -59.1 -64.0 53 4.9 -59.2 260 56 328.8 328.8 291.4 328.9 0.03 WND 201 11879 -58.7 -63.6 53 4.9 -58.8 265 69 339.3 339.3 294.2 339.4 0.04 Sounding variables and indices 1000-500 mb thick: 5547.00 m Freezing level: 719.00 mb = 2918.36 m = 9574.55 ft Wetbulb zero: 793.14 mb = 2122.05 m = 6962.01 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 54.57 % Est. max temperature: 19.21 C = 66.57 F Sfc-Lift cond lev (LCL): 723.01 mb = 2870.77 m = 9418.43 ft T: 0.22 C 700-500 lapse rate: 7.38 C/km ThetaE index: 5.70 C Layer 925.0- 809.0 mb Conv cond level (CCL): 601.33 mb = 4325.78 m = 14192.01 ft Mean mixing ratio: 3.32 g/kg Conv temperature: 28.06 C = 82.50 F Cap Strength: 7.06 C Lifted Index: 5.10 C Risk: None Lifted Index @300 mb: 10.48 C Lifted Index @700 mb: 5.22 C Showalter Index: 6.39 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 29.10 C Cross Totals Index: 13.10 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 48.00 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.33 J/kg Max Up Vert Vel: 2.16 m/s Conv Inhibition (B-): 58718.15 J/kg Cap Strength: 7.00 C Lift Cond Lev (LCL): 691.62 mb = 3226.39 m = 10585.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 19 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 ---------------------------------------------------------- 0 947 646 90 7 -7.0 0.0 | 101 26 -25.7 5.1 1 925 845 5 9 -0.8 -9.0 | 79 20 -19.5 -3.8 2 850 1554 340 5 1.7 -4.7 | 92 17 -17.0 0.4 3 700 3130 240 27 23.4 13.5 | 194 19 4.7 18.6 4 500 5730 260 38 37.4 6.6 | 238 22 18.8 11.7 5 400 7350 255 44 42.5 11.4 | 235 29 23.8 16.5 6 300 9320 255 50 48.3 12.9 | 239 35 29.6 18.1 7 250 10510 260 52 51.2 9.0 | 246 35 32.5 14.2 8 223 11230 260 56 55.1 9.7 | 248 39 36.5 14.9 9 201 11879 265 69 68.7 6.0 | 257 51 50.1 11.2 10 200 11910 265 68 67.7 5.9 | 257 50 49.1 11.1 11 150 13720 265 60 59.8 5.2 | 256 42 41.1 10.4 12 100 16250 270 56 56.0 -0.0 | 262 38 37.3 5.1 13 70 18460 280 48 47.3 -8.3 | 276 29 28.6 -3.2 14 50 20550 275 44 43.8 -3.8 | 267 25 25.2 1.3 15 30 23690 305 29 23.8 -16.6 | 336 13 5.1 -11.5 16 20 26230 280 42 41.4 -7.3 | 275 23 22.7 -2.2 17 10 30700 285 54 52.2 -14.0 | 285 35 33.5 -8.8 Wind Parameters Mean winds (0-6000m): 255.4 at 25.8 knts Storm direction: 285.4 at 19.4 knts Shear (0-3000m) pos: 0.5 neg: 5.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 38.2 neg: -80.3 tot: -42.1 m^2/s^2 ave: -14.0 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 122.75 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 13 8 82 21| 0.0 10.9 10.9| 7.1 -58.7 -51.5 -103.1 -0.56| 14.4 -8.1 1000 2 7 84 19| 0.0 5.8 5.8| 18.4 -62.6 -44.2 -44.2 -0.35| 9.3 -3.3 1500 340 8 82 16| 0.0 6.7 6.7| 18.4 -72.8 -54.4 -36.3 -0.34| 9.3 -3.2 2000 306 10 85 10| 0.0 7.0 7.0| 23.1 -72.8 -49.7 -24.9 -0.08| 10.0 -0.8 2500 265 13 137 8| 0.0 6.9 6.9| 23.8 -80.3 -56.6 -22.6 -0.08| 10.9 -0.9 3000 256 15 157 10| 0.5 5.7 6.2| 38.2 -80.3 -42.1 -14.0 -0.03| 9.6 -0.3 4000 252 19 179 11| 1.1 4.3 5.4| 69.2 -80.3 -11.1 -2.8 0.07| 8.0 0.6 5000 254 23 196 12| 1.5 3.4 5.0|103.7 -80.3 23.4 4.7 0.15| 7.0 1.1 6000 255 26 208 13| 1.3 3.2 4.5|106.8 -84.1 22.7 3.8 0.14| 6.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251018.12.gif