UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 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 169 SFC 943 650 6.0 0.0 65 6.0 3.3 235 3 283.9 284.6 279.2 295.3 4.05 2 936 712 10.6 3.6 62 7.0 7.0 229 4 289.2 290.1 283.1 304.3 5.29 3 925 810 10.4 2.4 58 8.0 6.4 220 5 289.9 290.8 283.0 304.1 4.92 4 908 964 10.2 0.2 50 10.0 5.4 194 5 291.3 292.0 282.9 303.7 4.27 5 903 1010 10.6 -1.4 43 12.0 4.9 186 5 292.2 292.8 282.7 303.3 3.82 6 886 1169 10.0 -2.0 43 12.0 4.4 159 5 293.1 293.8 283.0 304.1 3.72 7 860 1417 12.2 -3.8 32 16.0 4.8 117 5 297.9 298.5 284.6 308.0 3.35 8 850 1515 11.6 -6.4 28 18.0 3.7 100 5 298.3 298.8 284.1 306.8 2.78 9 810 1917 10.8 -10.2 22 21.0 2.1 137 8 301.6 302.0 284.7 308.4 2.17 10 727 2804 2.8 -13.2 30 16.0 -3.1 221 16 302.3 302.6 284.7 308.3 1.90 11 700 3109 0.8 -13.2 34 14.0 -4.3 250 19 303.4 303.7 285.2 309.6 1.97 12 643 3787 -3.7 -17.7 33 14.0 -8.2 254 20 305.7 306.0 285.5 310.5 1.48 13 637 3861 -2.7 -18.7 28 16.0 -7.8 254 20 307.7 307.9 286.1 312.2 1.37 14 500 5730 -18.1 -30.1 34 12.0 -20.4 265 23 311.0 311.1 286.4 313.1 0.63 15 435 6748 -26.5 -36.5 38 10.0 -27.8 256 23 312.9 313.0 286.8 314.3 0.39 16 403 7297 -27.9 -39.9 31 12.0 -29.3 251 23 318.0 318.1 288.5 319.1 0.29 17 400 7350 -28.3 -40.3 31 12.0 -29.7 250 23 318.2 318.3 288.5 319.3 0.28 18 300 9350 -43.7 -53.7 32 10.0 -44.2 235 38 323.8 323.8 290.0 324.1 0.09 19 250 10550 -54.1 -65.1 25 11.0 -54.3 240 38 325.6 325.6 290.5 325.7 0.02 20 230 11076 -58.7 -69.7 23 11.0 -58.8 240 41 326.5 326.5 290.7 326.5 0.01 21 200 11940 -63.5 -75.5 18 12.0 -63.6 240 46 332.2 332.2 292.3 332.2 0.01 22 150 13730 -59.5 -73.5 15 14.0 -59.7 255 40 367.6 367.6 300.1 367.6 0.01 23 147 13856 -59.1 -73.1 15 14.0 -59.3 255 41 370.4 370.4 300.7 370.5 0.01 24 107 15846 -59.1 -86.3 2 27.2 -59.4 260 58 405.6 405.6 305.9 405.6 0.00 25 100 16270 -59.1 -89.1 1 30.0 -59.5 265 44 413.5 413.5 306.9 413.5 0.00 26 70 18480 -63.1 -92.1 1 29.0 -63.4 265 40 449.4 449.4 310.8 449.4 0.00 27 55 19963 -64.5 -93.5 1 29.0 -64.8 276 41 478.3 478.3 313.3 478.3 0.00 28 50 20550 -62.5 -91.5 1 29.0 -62.9 280 42 496.2 496.2 314.7 496.2 0.00 29 30 23720 -59.9 -89.9 1 30.0 -60.8 290 42 581.3 581.3 319.8 581.4 0.00 30 23 25388 -56.1 -87.1 1 31.0 -57.9 287 39 638.4 638.4 322.2 638.5 0.01 31 20 26270 -58.1 -89.1 1 31.0 -59.7 285 38 658.3 658.3 323.0 658.4 0.01 32 18 26934 -57.7 -88.7 1 31.0 -59.5 679.7 679.7 323.7 679.8 0.01 33 14 28538 -52.9 -84.9 1 32.0 -56.4 746.7 746.7 325.8 746.8 0.02 34 11 30093 -53.1 -85.1 1 32.0 -57.2 799.3 799.3 327.3 799.5 0.03 TRP 200 11940 -63.5 -75.5 18 12.0 -63.6 240 46 332.2 332.2 292.3 332.2 0.01 WND 107 15846 -59.1 -86.3 2 27.2 -59.4 260 58 405.6 405.6 305.9 405.6 0.00 Sounding variables and indices 1000-500 mb thick: 5561.00 m Freezing level: 689.87 mb = 3229.53 m = 10595.45 ft Wetbulb zero: 776.11 mb = 2267.52 m = 7439.28 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 32.42 % Est. max temperature: 23.57 C = 74.43 F Sfc-Lift cond lev (LCL): 859.88 mb = 1418.32 m = 4653.21 ft T: 12.19 C 700-500 lapse rate: 7.21 C/km ThetaE index: 1.27 C Layer 850.0- 810.0 mb Conv cond level (CCL): 599.47 mb = 4329.90 m = 14205.52 ft Mean mixing ratio: 3.91 g/kg Conv temperature: 30.31 C = 86.57 F Cap Strength: 9.06 C Lifted Index: 7.60 C Risk: None Lifted Index @300 mb: 13.58 C Lifted Index @700 mb: 7.58 C Showalter Index: 6.26 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 29.70 C Cross Totals Index: 11.70 C K Index: 9.30 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 1.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.76 J/kg Max Up Vert Vel: 9.67 m/s Conv Inhibition (B-): 57348.98 J/kg Cap Strength: 9.00 C Lift Cond Lev (LCL): 742.93 mb = 2626.05 m = 8615.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 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 ---------------------------------------------------------- 0 943 650 235 3 2.5 1.7 | 117 11 -9.7 5.0 1 925 810 220 5 3.2 3.8 | 129 11 -8.9 7.1 2 850 1515 100 5 -4.9 0.9 | 104 18 -17.1 4.2 3 700 3109 250 19 17.9 6.5 | 210 11 5.7 9.8 4 500 5730 265 23 22.9 2.0 | 244 12 10.8 5.3 5 400 7350 250 23 21.6 7.9 | 220 15 9.5 11.2 6 300 9350 235 38 31.1 21.8 | 217 31 19.0 25.1 7 250 10550 240 38 32.9 19.0 | 223 30 20.8 22.3 8 200 11940 240 46 39.8 23.0 | 226 38 27.7 26.3 9 150 13730 255 40 38.6 10.4 | 243 30 26.5 13.7 10 107 15846 260 58 57.1 10.1 | 253 47 45.0 13.4 11 100 16270 265 44 43.8 3.8 | 257 32 31.7 7.2 12 70 18480 265 40 39.8 3.5 | 256 29 27.7 6.8 13 50 20550 280 42 41.4 -7.3 | 278 29 29.2 -4.0 14 30 23720 290 42 39.5 -14.4 | 292 29 27.3 -11.0 15 20 26270 285 38 36.7 -9.8 | 285 25 24.6 -6.5 Wind Parameters Mean winds (0-6000m): 255.3 at 16.8 knts Storm direction: 285.3 at 12.6 knts Shear (0-3000m) pos: 4.3 neg: 1.4 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 157.6 neg: -29.0 tot: 128.6 m^2/s^2 ave: 42.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 4.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.68 Bulk Shear: 27.90 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 ------------------------------------------------------------------------------- 500 201 5 126 13| 0.0 5.2 5.2| 6.4 -7.7 -1.3 -2.6 0.02| 7.3 0.2 1000 161 5 120 16| 0.0 4.2 4.2| 11.1 -29.0 -17.9 -17.9 -0.27| 7.0 -1.9 1500 153 6 120 17| 2.7 2.8 5.5| 52.6 -29.0 23.6 15.7 0.19| 7.5 1.4 2000 185 8 134 16| 4.3 2.1 6.4|108.3 -29.0 79.3 39.7 0.46| 8.5 3.9 2500 233 10 154 10| 4.9 1.7 6.6|153.9 -29.0 124.9 50.0 0.58| 9.6 5.6 3000 240 11 165 9| 4.3 1.4 5.7|157.6 -29.0 128.6 42.9 0.59| 8.2 4.9 4000 248 14 183 8| 3.4 1.1 4.5|165.3 -29.0 136.3 34.1 0.61| 6.5 4.0 5000 253 15 199 8| 2.9 0.8 3.8|173.6 -29.0 144.5 28.9 0.63| 5.5 3.5 6000 255 17 208 9| 2.4 0.8 3.2|174.0 -39.3 134.8 22.5 0.54| 4.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251021.00.gif