UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 19 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 203 SFC 948 645 12.0 -3.0 35 15.0 5.2 90 3 289.5 290.1 280.8 299.0 3.23 2 947 653 13.4 -1.6 35 15.0 6.3 86 3 291.0 291.7 282.0 301.5 3.59 3 925 848 11.4 -3.6 35 15.0 4.7 5 5 291.0 291.5 281.4 300.3 3.16 4 873 1327 7.0 -9.0 31 16.0 0.8 15 5 291.2 291.6 280.4 297.9 2.21 5 867 1384 8.6 -7.4 31 16.0 2.0 16 5 293.5 293.9 281.8 301.1 2.52 6 850 1547 8.0 -8.0 31 16.0 1.5 20 5 294.5 295.0 282.1 301.9 2.46 7 838 1664 7.8 -8.2 31 16.0 1.3 10 6 295.5 296.0 282.5 302.9 2.45 8 700 3116 -3.3 -7.1 75 3.8 -4.8 240 23 298.8 299.4 284.8 308.5 3.20 9 677 3380 -2.7 -6.1 77 3.4 -4.1 242 24 302.4 303.0 286.5 313.3 3.58 10 527 5308 -17.7 -22.1 68 4.4 -18.7 257 31 306.8 307.0 285.6 310.8 1.23 11 500 5700 -19.5 -24.5 64 5.0 -20.6 260 33 309.3 309.5 286.3 312.8 1.05 12 400 7320 -31.3 -37.3 55 6.0 -32.0 260 35 314.3 314.4 287.3 315.7 0.39 13 300 9300 -45.9 -53.9 40 8.0 -46.2 265 40 320.7 320.7 289.0 321.0 0.08 14 288 9570 -48.1 -56.1 39 8.0 -48.4 265 43 321.3 321.3 289.2 321.5 0.07 15 250 10490 -54.3 -62.3 37 8.0 -54.5 265 52 325.3 325.3 290.4 325.5 0.04 16 219 11330 -58.7 -66.7 35 8.0 -58.8 265 46 331.1 331.1 292.0 331.2 0.02 17 200 11900 -58.5 -66.5 35 8.0 -58.6 275 48 340.1 340.1 294.4 340.2 0.02 18 150 13700 -58.9 -66.9 35 8.0 -59.0 270 46 368.6 368.6 300.4 368.7 0.03 19 110 15638 -59.3 -71.3 20 12.0 -59.5 266 38 402.0 402.0 305.5 402.2 0.02 20 100 16230 -61.9 -74.9 16 13.0 -62.1 265 35 408.1 408.1 306.3 408.2 0.01 21 96 16483 -62.9 -75.9 16 13.0 -63.1 265 36 411.0 411.0 306.6 411.0 0.01 22 71 18342 -63.3 -84.3 4 21.0 -63.6 265 40 447.1 447.1 310.6 447.2 0.00 23 70 18430 -62.1 -84.1 4 22.0 -62.4 265 40 451.5 451.5 311.0 451.6 0.00 24 60 19386 -58.9 -88.9 1 30.0 -59.5 267 40 479.0 479.0 313.4 479.0 0.00 25 50 20520 -61.5 -90.5 1 29.0 -62.0 270 40 498.6 498.6 314.8 498.6 0.00 26 42 21592 -63.9 -92.9 1 29.0 -64.3 277 41 518.1 518.1 316.2 518.1 0.00 27 38 22210 -59.7 -89.7 1 30.0 -60.4 281 41 543.8 543.8 317.8 543.9 0.00 28 30 23690 -58.1 -89.1 1 31.0 -59.2 290 42 586.2 586.3 320.0 586.3 0.00 29 28 24126 -55.1 -87.1 1 32.0 -56.8 288 44 606.3 606.3 320.9 606.3 0.01 30 22 25642 -60.9 -90.9 1 30.0 -62.0 282 51 632.3 632.3 322.0 632.3 0.00 31 20 26240 -55.7 -86.7 1 31.0 -57.8 280 54 665.7 665.7 323.3 665.8 0.01 32 18 26915 -53.7 -85.7 1 32.0 -56.4 277 53 692.4 692.4 324.2 692.5 0.01 33 14 28531 -54.3 -86.3 1 32.0 -57.4 270 50 741.9 741.9 325.7 742.0 0.02 34 11 30100 -48.1 -82.1 1 34.0 -54.0 263 47 817.4 817.4 327.7 817.8 0.04 35 10 30730 -47.3 -81.3 1 34.0 -53.9 260 46 843.0 843.0 328.2 843.5 0.05 36 9.4 31141 -45.3 -80.3 1 35.0 -53.1 865.6 865.7 328.7 866.3 0.07 TRP 219 11330 -58.7 -66.7 35 8.0 -58.8 265 46 331.1 331.1 292.0 331.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 741.03 mb = 2684.35 m = 8806.81 ft Wetbulb zero: 809.69 mb = 1941.42 m = 6369.40 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 59.23 % Est. max temperature: 18.82 C = 65.87 F Sfc-Lift cond lev (LCL): 754.30 mb = 2513.19 m = 8245.28 ft T: 1.31 C 700-500 lapse rate: 6.27 C/km ThetaE index: 3.67 C Layer 925.0- 867.0 mb Conv cond level (CCL): 588.01 mb = 4464.91 m = 14648.46 ft Mean mixing ratio: 2.78 g/kg Conv temperature: 27.21 C = 80.98 F Cap Strength: 8.53 C Lifted Index: 9.48 C Risk: None Lifted Index @300 mb: 14.75 C Lifted Index @700 mb: 6.11 C Showalter Index: 8.14 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 11.50 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 43.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.58 J/kg Max Up Vert Vel: 5.58 m/s Conv Inhibition (B-): 50660.00 J/kg Cap Strength: 9.00 C Lift Cond Lev (LCL): 708.43 mb = 3019.39 m = 9906.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 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 ---------------------------------------------------------- 0 948 645 90 3 -3.0 0.0 | 103 19 -18.9 4.4 1 925 848 5 5 -0.4 -5.0 | 88 16 -16.4 -0.6 2 850 1547 20 5 -1.7 -4.7 | 89 18 -17.6 -0.3 3 700 3116 240 23 19.9 11.5 | 194 16 4.0 15.9 4 500 5700 260 33 32.5 5.7 | 239 19 16.6 10.1 5 400 7320 260 35 34.5 6.1 | 241 21 18.5 10.4 6 300 9300 265 40 39.8 3.5 | 252 25 23.9 7.9 7 250 10490 265 52 51.8 4.5 | 256 37 35.9 8.9 8 219 11330 265 46 45.8 4.0 | 254 31 29.9 8.4 9 200 11900 275 48 47.8 -4.2 | 270 32 31.9 0.2 10 150 13700 270 46 46.0 -0.0 | 262 30 30.1 4.4 11 100 16230 265 35 34.9 3.1 | 249 20 18.9 7.4 12 70 18430 265 40 39.8 3.5 | 252 25 23.9 7.9 13 50 20520 270 40 40.0 -0.0 | 260 24 24.1 4.4 14 30 23690 290 42 39.5 -14.4 | 293 26 23.5 -10.0 15 20 26240 280 54 53.2 -9.4 | 278 38 37.2 -5.0 16 10 30730 260 46 45.3 8.0 | 247 32 29.4 12.4 Wind Parameters Mean winds (0-6000m): 255.3 at 22.0 knts Storm direction: 285.3 at 16.5 knts Shear (0-3000m) pos: 0.4 neg: 4.4 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 100.3 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -73.2 tot: -60.9 m^2/s^2 ave: -20.3 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 80.63 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 16 5 90 17| 0.0 5.5 5.5| 0.3 -23.7 -23.4 -46.7 -0.75| 6.6 -4.9 1000 16 5 89 17| 0.0 3.2 3.2| 1.3 -29.8 -28.5 -28.5 -0.69| 4.4 -3.0 1500 358 6 83 16| 0.0 4.7 4.7| 1.3 -54.4 -53.1 -35.4 -0.69| 6.0 -4.2 2000 319 8 80 11| 0.0 5.3 5.3| 1.3 -60.8 -59.4 -29.7 -0.62| 8.1 -5.0 2500 262 11 138 8| 0.0 5.3 5.3| 1.3 -73.2 -71.9 -28.8 -0.53| 9.7 -5.1 3000 253 13 156 9| 0.4 4.4 4.8| 12.3 -73.2 -60.9 -20.3 -0.45| 8.5 -3.8 4000 251 16 178 10| 1.0 3.3 4.3| 35.9 -73.2 -37.3 -9.3 -0.31| 7.1 -2.2 5000 253 20 196 10| 1.4 2.6 4.0| 62.5 -73.2 -10.7 -2.1 -0.19| 6.3 -1.2 6000 255 22 208 11| 1.2 2.3 3.5| 66.3 -73.2 -6.9 -1.2 -0.18| 5.3 -0.9 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251019.12.gif