UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 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 190 SFC 946 672 9.0 2.0 61 7.0 5.6 180 3 286.7 287.5 281.3 299.9 4.67 2 945 681 8.2 2.2 66 6.0 5.3 185 3 285.9 286.8 281.1 299.4 4.74 3 942 709 12.4 5.4 62 7.0 8.6 200 3 290.5 291.5 284.4 307.6 5.97 4 931 812 14.6 6.6 59 8.0 10.1 255 4 293.7 294.9 286.3 312.7 6.57 5 925 869 14.4 5.4 55 9.0 9.5 285 5 294.0 295.1 285.9 311.7 6.08 6 906 1044 13.0 -1.0 38 14.0 6.2 274 6 294.3 295.0 283.8 305.9 3.92 7 850 1578 10.2 -4.8 34 15.0 3.5 240 9 296.8 297.4 283.9 306.3 3.14 8 815 1926 7.4 -6.6 36 14.0 1.4 241 15 297.5 298.0 283.8 306.1 2.86 9 750 2606 4.8 -7.2 41 12.0 -0.3 243 26 301.8 302.3 285.7 310.9 2.97 10 700 3164 0.0 -8.0 55 8.0 -3.3 245 36 302.5 303.0 285.9 311.7 2.99 11 589 4521 -10.5 -11.7 91 1.2 -10.9 250 36 305.6 306.1 286.7 313.9 2.65 12 500 5760 -19.9 -24.4 67 4.5 -20.9 255 36 308.8 309.0 286.1 312.3 1.06 13 436 6762 -27.9 -31.9 69 4.0 -28.5 261 54 311.0 311.1 286.4 313.1 0.61 14 400 7380 -30.1 -35.1 62 5.0 -30.7 265 66 315.9 316.0 287.9 317.6 0.48 15 386 7632 -31.7 -36.7 61 5.0 -32.3 265 67 317.0 317.1 288.3 318.5 0.43 16 300 9360 -45.7 -52.7 45 7.0 -46.0 265 71 320.9 321.0 289.2 321.3 0.10 17 274 9957 -50.7 -57.7 43 7.0 -50.9 268 74 322.1 322.1 289.5 322.4 0.06 18 256 10397 -53.1 -60.8 38 7.7 -53.2 270 77 325.0 325.0 290.3 325.1 0.04 19 250 10550 -53.9 -61.9 37 8.0 -54.1 270 75 325.9 325.9 290.6 326.1 0.04 20 232 11027 -56.3 -64.3 36 8.0 -56.4 270 71 329.3 329.3 291.6 329.4 0.03 21 200 11970 -55.7 -63.7 36 8.0 -55.9 265 68 344.6 344.6 295.4 344.7 0.04 22 175 12817 -56.1 -64.1 36 8.0 -56.3 265 70 357.3 357.3 298.2 357.5 0.04 23 150 13790 -57.9 -65.9 35 8.0 -58.0 265 73 370.3 370.3 300.7 370.5 0.04 24 118 15297 -61.5 -71.5 25 10.0 -61.7 268 68 390.0 390.0 303.8 390.1 0.02 25 100 16330 -60.1 -72.1 19 12.0 -60.3 270 64 411.6 411.6 306.7 411.7 0.02 26 80 17715 -62.7 -77.7 12 15.0 -62.9 273 49 433.4 433.4 309.2 433.4 0.01 27 70 18540 -62.1 -81.1 6 19.0 -62.4 275 40 451.5 451.5 311.0 451.6 0.01 28 67 18811 -61.7 -81.7 5 20.0 -62.0 277 40 458.1 458.1 311.6 458.1 0.01 29 52 20362 -66.9 -94.9 1 28.0 -67.1 288 38 480.4 480.4 313.5 480.4 0.00 30 50 20600 -65.1 -93.1 1 28.0 -65.4 290 38 490.1 490.1 314.2 490.1 0.00 31 45 21243 -62.3 -91.3 1 29.0 -62.8 287 41 511.9 511.9 315.8 511.9 0.00 32 30 23740 -61.9 -90.9 1 29.0 -62.6 275 52 575.9 575.9 319.5 575.9 0.00 33 23 25396 -60.9 -90.9 1 30.0 -62.0 282 44 624.3 624.3 321.7 624.3 0.00 34 20 26280 -55.1 -87.1 1 32.0 -57.3 285 40 667.5 667.5 323.3 667.6 0.01 35 18 26250 -55.3 -86.3 1 31.0 -57.6 283 44 687.3 687.3 324.0 687.4 0.01 36 16 26290 -60.7 -90.7 1 30.0 -62.1 282 48 693.2 693.2 324.2 693.3 0.01 37 16 26290 -60.1 -90.1 1 30.0 -61.7 282 48 695.2 695.2 324.3 695.2 0.01 38 15 26347 -53.5 -85.5 1 32.0 -56.6 281 50 730.1 730.1 325.4 730.2 0.02 39 15 26347 -52.7 -84.7 1 32.0 -56.1 281 50 732.7 732.7 325.4 732.9 0.02 40 14 26441 -53.3 -85.3 1 32.0 -56.7 280 52 745.3 745.3 325.8 745.5 0.02 41 12 26728 -54.7 -86.7 1 32.0 -58.0 278 58 773.9 773.9 326.6 774.1 0.02 42 10 27200 -51.5 -54.7 68 3.2 -52.9 275 64 827.3 828.5 328.4 850.5 2.28 43 9.9 27265 -51.3 -84.3 1 33.0 -56.3 830.4 830.5 328.0 830.7 0.03 TRP 232 11027 -56.3 -64.3 36 8.0 -56.4 270 71 329.3 329.3 291.6 329.4 0.03 WND 256 10397 -53.1 -60.8 38 7.7 -53.2 270 77 325.0 325.0 290.3 325.1 0.04 Sounding variables and indices 1000-500 mb thick: 5570.00 m Freezing level: 700.00 mb = 3164.00 m = 10380.45 ft Wetbulb zero: 762.27 mb = 2473.57 m = 8115.29 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 59.89 % Est. max temperature: 20.82 C = 69.48 F Sfc-Lift cond lev (LCL): 850.14 mb = 1576.65 m = 5172.66 ft T: 10.21 C 700-500 lapse rate: 7.67 C/km ThetaE index: 6.78 C Layer 925.0- 850.0 mb Conv cond level (CCL): 653.61 mb = 3702.88 m = 12148.40 ft Mean mixing ratio: 4.30 g/kg Conv temperature: 25.83 C = 78.49 F Cap Strength: 6.67 C Lifted Index: 4.16 C Risk: None Lifted Index @300 mb: 9.89 C Lifted Index @700 mb: 5.49 C Showalter Index: 4.81 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: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 54.00 Risk: None Energy Index: 1.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.35 J/kg Max Up Vert Vel: 6.53 m/s Conv Inhibition (B-): 45638.13 J/kg Cap Strength: 6.67 C Lift Cond Lev (LCL): 743.76 mb = 2673.99 m = 8772.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 22 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 ---------------------------------------------------------- 0 946 672 180 3 0.0 3.0 | 108 23 -21.9 7.2 1 925 869 285 5 4.8 -1.3 | 100 17 -17.0 2.9 2 850 1578 240 9 7.8 4.5 | 122 17 -14.1 8.7 3 700 3164 245 36 32.6 15.2 | 209 22 10.8 19.4 4 500 5760 255 36 34.8 9.3 | 224 19 12.9 13.5 5 400 7380 265 66 65.7 5.8 | 257 45 43.9 10.0 6 300 9360 265 71 70.7 6.2 | 258 50 48.9 10.4 7 256 10397 270 77 77.0 -0.0 | 266 55 55.1 4.2 8 250 10550 270 75 75.0 -0.0 | 265 53 53.1 4.2 9 232 11027 270 71 71.0 -0.0 | 265 49 49.1 4.2 10 200 11970 265 68 67.7 5.9 | 258 47 45.9 10.2 11 150 13790 265 73 72.7 6.4 | 258 52 50.9 10.6 12 100 16330 270 64 64.0 -0.0 | 264 42 42.1 4.2 13 70 18540 275 40 39.8 -3.5 | 268 18 18.0 0.7 14 50 20600 290 38 35.7 -13.0 | 302 16 13.9 -8.8 15 30 23740 275 52 51.8 -4.5 | 271 30 29.9 -0.3 16 20 26280 285 40 38.6 -10.4 | 290 18 16.8 -6.1 17 10 27200 275 64 63.8 -5.6 | 272 42 41.9 -1.3 Wind Parameters Mean winds (0-6000m): 251.0 at 29.7 knts Storm direction: 281.0 at 22.3 knts Shear (0-3000m) pos: 5.4 neg: 0.9 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 137.6 neg: -15.3 tot: 122.3 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 81.69 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 ------------------------------------------------------------------------------- 500 269 5 105 17| 7.4 0.0 7.4| 12.0 -15.3 -3.3 -6.6 -0.05| 10.2 -0.5 1000 253 7 112 17| 3.7 2.8 6.4| 35.1 -15.3 19.8 19.8 0.31| 8.1 2.5 1500 247 9 121 15| 4.9 1.8 6.8| 67.0 -15.3 51.7 34.5 0.55| 8.3 4.5 2000 245 13 134 14| 5.8 1.4 7.2| 99.1 -15.3 83.8 41.9 0.65| 8.4 5.5 2500 245 17 150 13| 6.4 1.1 7.5|131.9 -15.3 116.6 46.6 0.67| 8.5 5.7 3000 246 20 163 13| 5.4 0.9 6.3|137.6 -15.3 122.3 40.8 0.68| 7.3 4.9 4000 247 24 181 14| 4.1 0.7 4.8|148.6 -15.3 133.3 33.3 0.68| 5.8 3.9 5000 248 27 192 14| 3.3 0.6 3.9|159.1 -15.3 143.8 28.8 0.69| 4.9 3.4 6000 251 30 204 15| 4.3 0.5 4.7|227.3 -15.3 212.0 35.3 0.66| 5.6 3.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251018.00.gif