UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 3 DEC 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 178 SFC 945 652 11.0 -5.0 32 16.0 4.2 305 3 288.8 289.3 280.0 296.9 2.78 2 925 831 11.8 -4.2 32 16.0 4.7 240 3 291.4 291.9 281.4 300.3 3.02 3 924 840 11.8 -4.2 32 16.0 4.7 240 3 291.5 292.0 281.5 300.4 3.03 4 850 1530 6.2 -12.8 24 19.0 -0.6 260 19 292.6 292.9 280.3 297.8 1.68 5 804 1982 2.4 -16.6 23 19.0 -3.6 256 24 293.3 293.5 280.1 297.3 1.30 6 725 2810 -2.3 -15.3 36 13.0 -6.5 248 32 296.9 297.2 282.1 301.9 1.60 7 700 3087 -4.9 -16.9 38 12.0 -8.5 245 35 297.1 297.3 282.0 301.6 1.45 8 636 3830 -12.1 -24.1 36 12.0 -14.8 251 36 297.1 297.3 281.3 299.9 0.86 9 518 5362 -24.3 -34.3 39 10.0 -25.6 263 38 300.4 300.4 282.1 301.7 0.40 10 500 5620 -24.1 -34.1 39 10.0 -25.5 265 38 303.7 303.7 283.4 305.1 0.43 11 499 5635 -24.1 -34.1 39 10.0 -25.5 265 38 303.8 303.9 283.5 305.3 0.43 12 400 7210 -35.3 -46.3 32 11.0 -36.1 270 54 309.1 309.1 285.2 309.7 0.15 13 358 7976 -41.3 -52.3 29 11.0 -41.8 272 61 311.0 311.0 285.8 311.3 0.08 14 300 9160 -48.7 -60.7 24 12.0 -49.0 275 71 316.7 316.7 287.7 316.9 0.04 15 250 10330 -56.7 -69.7 18 13.0 -56.9 275 68 321.8 321.8 289.3 321.8 0.01 16 241 10562 -58.3 -72.3 15 14.0 -58.5 274 66 322.8 322.8 289.6 322.8 0.01 17 209 11455 -61.1 -75.1 14 14.0 -61.2 270 56 331.8 331.8 292.2 331.8 0.01 18 200 11730 -59.5 -72.5 17 13.0 -59.6 270 54 338.5 338.5 294.0 338.6 0.01 19 179 12429 -57.3 -70.3 18 13.0 -57.5 270 48 353.0 353.1 297.3 353.1 0.02 20 156 13294 -59.9 -73.9 14 14.0 -60.1 270 40 362.8 362.8 299.2 362.8 0.01 21 150 13540 -59.3 -72.3 17 13.0 -59.5 270 38 367.9 367.9 300.2 368.0 0.01 22 141 13929 -58.3 -72.3 15 14.0 -58.5 271 39 376.2 376.2 301.6 376.3 0.02 23 131 14389 -61.7 -76.7 12 15.0 -61.9 272 39 378.2 378.2 301.9 378.2 0.01 24 100 16060 -62.5 -91.5 1 29.0 -62.7 275 42 407.0 407.0 306.1 407.0 0.00 25 70 18230 -66.5 -94.5 1 28.0 -66.7 275 40 442.1 442.1 310.1 442.1 0.00 26 50 20260 -67.9 -94.9 1 27.0 -68.1 280 44 483.5 483.5 313.7 483.5 0.00 27 36 22230 -70.5 -97.5 1 27.0 -70.7 280 48 524.4 524.4 316.6 524.4 0.00 28 30 23320 -68.9 -95.9 1 27.0 -69.2 280 50 556.8 556.8 318.5 556.8 0.00 29 28 23732 -67.7 -94.7 1 27.0 -68.1 280 50 571.2 571.2 319.2 571.2 0.00 30 20 25740 -69.5 -96.5 1 27.0 -69.9 280 50 623.4 623.4 321.6 623.4 0.00 31 17 26709 -69.7 -96.7 1 27.0 -70.2 652.5 652.5 322.8 652.5 0.00 32 11 29317 -67.6 -95.4 1 27.8 -68.5 260 75 746.7 746.7 325.8 746.7 0.00 33 10 29891 -67.1 -95.1 1 28.0 -68.1 769.1 769.1 326.4 769.1 0.00 TRP 209 11455 -61.1 -75.1 14 14.0 -61.2 270 56 331.8 331.8 292.2 331.8 0.01 WND 11 29317 -67.6 -95.4 1 27.8 -68.5 260 75 746.7 746.7 325.8 746.7 0.00 Sounding variables and indices 1000-500 mb thick: 5442.00 m Freezing level: 763.66 mb = 2404.86 m = 7889.87 ft Wetbulb zero: 857.94 mb = 1453.10 m = 4767.33 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 33.69 % Est. max temperature: 15.83 C = 60.49 F Sfc-Lift cond lev (LCL): 739.93 mb = 2646.75 m = 8683.44 ft T: -1.37 C 700-500 lapse rate: 7.58 C/km ThetaE index: 3.09 C Layer 850.0- 725.0 mb Conv cond level (CCL): 638.56 mb = 3798.88 m = 12463.35 ft Mean mixing ratio: 2.43 g/kg Conv temperature: 19.21 C = 66.57 F Cap Strength: 4.84 C Lifted Index: 5.59 C Risk: None Lifted Index @300 mb: 12.69 C Lifted Index @700 mb: 4.84 C Showalter Index: 6.47 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 30.30 C Cross Totals Index: 11.30 C K Index: 5.50 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.94 J/kg Max Up Vert Vel: 4.46 m/s Conv Inhibition (B-): 44136.86 J/kg Cap Strength: 4.84 C Lift Cond Lev (LCL): 689.75 mb = 3201.26 m = 10502.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 24 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 ---------------------------------------------------------- 0 945 652 305 3 2.5 -1.7 | 105 21 -20.2 5.3 1 925 831 240 3 2.6 1.5 | 113 22 -20.1 8.5 2 850 1530 260 19 18.7 3.3 | 159 11 -3.9 10.3 3 700 3087 245 35 31.7 14.8 | 203 24 9.1 21.8 4 500 5620 265 38 37.9 3.3 | 236 18 15.2 10.3 5 400 7210 270 54 54.0 -0.0 | 257 32 31.4 7.0 6 300 9160 275 71 70.7 -6.2 | 269 48 48.1 0.8 7 250 10330 275 68 67.7 -5.9 | 269 45 45.1 1.1 8 209 11455 270 56 56.0 -0.0 | 258 34 33.4 7.0 9 200 11730 270 54 54.0 -0.0 | 257 32 31.4 7.0 10 150 13540 270 38 38.0 -0.0 | 245 17 15.4 7.0 11 100 16060 275 42 41.8 -3.7 | 260 19 19.2 3.4 12 70 18230 275 40 39.8 -3.5 | 258 18 17.2 3.5 13 50 20260 280 44 43.3 -7.6 | 272 21 20.7 -0.6 14 30 23320 280 50 49.2 -8.7 | 274 27 26.6 -1.7 15 20 25740 280 50 49.2 -8.7 | 274 27 26.6 -1.7 Wind Parameters Mean winds (0-6000m): 257.2 at 31.6 knts Storm direction: 287.2 at 23.7 knts Shear (0-3000m) pos: 2.0 neg: 4.3 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 126.9 neg: 0.0 tot: 126.9 m^2/s^2 ave: 42.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 91.53 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 ------------------------------------------------------------------------------- 500 252 5 116 20| 0.0 9.3 9.3| 45.0 0.0 45.0 90.0 0.82| 10.8 8.8 1000 258 11 127 15| 5.2 4.6 9.9| 74.4 0.0 74.4 74.4 0.81| 10.7 8.7 1500 257 15 141 13| 3.5 5.0 8.5| 89.6 0.0 89.6 59.8 0.82| 9.0 7.4 2000 254 18 156 13| 2.6 5.2 7.8|103.0 0.0 103.0 51.5 0.77| 8.2 6.3 2500 251 21 169 14| 2.1 5.2 7.3|113.5 0.0 113.5 45.4 0.71| 7.6 5.5 3000 250 23 178 15| 2.0 4.3 6.3|126.9 0.0 126.9 42.3 0.73| 6.8 4.9 4000 251 27 190 16| 2.0 3.2 5.2|152.9 0.0 152.9 38.2 0.75| 5.8 4.3 5000 254 29 200 16| 2.0 2.6 4.6|178.5 0.0 178.5 35.7 0.77| 5.2 4.0 6000 257 32 210 16| 2.5 2.1 4.7|214.1 0.0 214.1 35.7 0.73| 5.2 3.8 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251203.12.gif