UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 4 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 185 SFC 945 649 7.0 -9.0 31 16.0 1.1 245 5 284.7 285.1 277.0 290.7 2.04 2 943 667 8.8 -10.2 25 19.0 1.7 240 6 286.7 287.0 277.7 292.2 1.86 3 938 711 9.2 -9.8 25 19.0 2.0 228 8 287.6 287.9 278.3 293.3 1.93 4 933 755 12.0 -8.0 24 20.0 3.8 215 10 290.9 291.3 280.3 297.5 2.24 5 925 827 11.8 -9.2 22 21.0 3.4 195 13 291.4 291.7 280.3 297.5 2.06 6 922 854 11.6 -10.4 20 22.0 3.1 197 13 291.4 291.8 280.0 297.1 1.88 7 850 1526 6.0 -17.0 17 23.0 -1.4 235 7 292.4 292.6 279.6 296.1 1.19 8 785 2172 1.8 -16.2 25 18.0 -4.0 235 11 294.7 294.9 280.8 298.9 1.37 9 700 3081 -6.9 -9.4 82 2.5 -7.8 235 17 294.8 295.3 282.5 302.9 2.68 10 684 3261 -8.3 -9.1 94 0.8 -8.6 237 18 295.2 295.7 282.8 303.7 2.80 11 502 5601 -22.7 -22.7 100 0.0 -22.7 265 38 305.0 305.2 284.9 309.0 1.23 12 500 5630 -22.9 -22.9 100 0.0 -22.9 265 38 305.1 305.3 284.9 309.1 1.21 13 400 7220 -36.3 -37.4 90 1.1 -36.4 260 42 307.8 307.9 285.0 309.1 0.38 14 391 7377 -37.7 -39.0 88 1.3 -37.8 260 45 308.0 308.1 285.0 309.2 0.33 15 364 7868 -40.1 -42.0 82 1.9 -40.2 258 53 311.2 311.2 286.1 312.1 0.26 16 304 9073 -49.2 -52.4 69 3.2 -49.3 255 73 314.8 314.8 287.1 315.1 0.10 17 300 9160 -49.9 -53.2 68 3.3 -50.0 250 71 315.0 315.0 287.2 315.4 0.09 18 288 9424 -52.3 -55.9 65 3.6 -52.4 252 69 315.3 315.3 287.3 315.6 0.07 19 250 10320 -58.7 -63.0 57 4.3 -58.7 260 64 318.8 318.8 288.4 318.9 0.03 20 237 10656 -61.3 -65.9 54 4.6 -61.3 259 61 319.8 319.8 288.7 319.9 0.02 21 207 11497 -63.5 -68.2 53 4.7 -63.6 255 54 328.9 329.0 291.5 329.0 0.02 22 200 11710 -63.1 -67.7 54 4.6 -63.1 255 54 332.8 332.8 292.5 332.9 0.02 23 163 12985 -55.9 -60.2 58 4.3 -56.0 262 44 365.0 365.0 299.7 365.3 0.07 24 150 13510 -57.1 -61.8 55 4.7 -57.2 265 40 371.7 371.7 300.9 372.0 0.06 25 128 14509 -61.3 -66.3 51 5.0 -61.4 265 42 381.4 381.4 302.5 381.6 0.04 26 100 16040 -63.5 -70.5 38 7.0 -63.6 265 46 405.0 405.0 305.9 405.2 0.03 27 79 17483 -63.1 -71.1 33 8.0 -63.3 272 49 434.1 434.1 309.3 434.3 0.03 28 70 18220 -65.5 -74.5 28 9.0 -65.7 275 50 444.3 444.3 310.3 444.4 0.02 29 63 18860 -68.5 -78.5 22 10.0 -68.6 273 47 451.2 451.2 311.0 451.3 0.01 30 50 20250 -69.1 -81.1 16 12.0 -69.2 270 40 480.7 480.7 313.5 480.7 0.01 31 37 22039 -70.9 -86.9 8 16.0 -71.1 264 40 519.3 519.3 316.2 519.3 0.01 32 35 22369 -68.5 -85.5 7 17.0 -68.8 263 40 533.8 533.8 317.2 533.9 0.01 33 30 23290 -69.5 -96.5 1 27.0 -69.8 260 40 555.2 555.2 318.4 555.2 0.00 34 20 25710 -69.7 -96.7 1 27.0 -70.1 270 48 622.8 622.8 321.6 622.8 0.00 35 15 27429 -68.5 -95.5 1 27.0 -69.1 680.2 680.2 323.8 680.2 0.00 TRP 207 11497 -63.5 -68.2 53 4.7 -63.6 255 54 328.9 329.0 291.5 329.0 0.02 WND 304 9073 -49.2 -52.4 69 3.2 -49.3 255 73 314.8 314.8 287.1 315.1 0.10 Sounding variables and indices 1000-500 mb thick: 5445.00 m Freezing level: 767.41 mb = 2360.10 m = 7743.01 ft Wetbulb zero: 873.06 mb = 1304.80 m = 4280.78 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 66.57 % Est. max temperature: 16.44 C = 61.58 F Sfc-Lift cond lev (LCL): 738.00 mb = 2661.73 m = 8732.60 ft T: -2.89 C 700-500 lapse rate: 6.28 C/km ThetaE index: 1.44 C Layer 922.0- 785.0 mb Conv cond level (CCL): 550.17 mb = 4907.83 m = 16101.61 ft Mean mixing ratio: 1.62 g/kg Conv temperature: 24.18 C = 75.52 F Cap Strength: 8.63 C Lifted Index: 8.66 C Risk: None Lifted Index @300 mb: 13.30 C Lifted Index @700 mb: 3.10 C Showalter Index: 8.84 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 28.90 C Cross Totals Index: 5.90 C K Index: 9.40 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.83 J/kg Max Up Vert Vel: 5.26 m/s Conv Inhibition (B-): 44646.18 J/kg Cap Strength: 8.37 C Lift Cond Lev (LCL): 640.00 mb = 3764.10 m = 12349.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 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 ---------------------------------------------------------- 0 945 649 245 5 4.5 2.1 | 116 14 -12.5 6.0 1 925 827 195 13 3.4 12.6 | 140 21 -13.6 16.5 2 850 1526 235 7 5.7 4.0 | 125 14 -11.3 8.0 3 700 3081 235 17 13.9 9.8 | 167 14 -3.1 13.7 4 500 5630 265 38 37.9 3.3 | 251 22 20.8 7.2 5 400 7220 260 42 41.4 7.3 | 245 27 24.4 11.2 6 304 9073 255 73 70.5 18.9 | 247 58 53.5 22.8 7 300 9160 250 71 66.7 24.3 | 240 57 49.7 28.2 8 250 10320 260 64 63.0 11.1 | 252 48 46.0 15.1 9 207 11497 255 54 52.2 14.0 | 243 39 35.2 17.9 10 200 11710 255 54 52.2 14.0 | 243 39 35.2 17.9 11 150 13510 265 40 39.8 3.5 | 252 24 22.8 7.4 12 100 16040 265 46 45.8 4.0 | 255 30 28.8 7.9 13 70 18220 275 50 49.8 -4.4 | 271 33 32.8 -0.4 14 50 20250 270 40 40.0 -0.0 | 260 23 23.0 3.9 15 30 23290 260 40 39.4 6.9 | 244 25 22.4 10.9 16 20 25710 270 48 48.0 -0.0 | 263 31 31.0 3.9 Wind Parameters Mean winds (0-6000m): 253.0 at 23.3 knts Storm direction: 283.0 at 17.5 knts Shear (0-3000m) pos: 1.4 neg: 2.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 80.8 neg: -16.5 tot: 64.3 m^2/s^2 ave: 21.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 43.12 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 ------------------------------------------------------------------------------- 500 205 11 137 19| 0.0 6.7 6.7| 27.6 -4.2 23.4 46.7 0.39| 15.5 6.0 1000 211 10 135 17| 2.1 3.4 5.5| 29.8 -16.5 13.3 13.3 0.17| 10.4 1.7 1500 219 9 136 16| 1.4 3.1 4.5| 40.8 -16.5 24.3 16.2 0.28| 8.0 2.2 2000 224 10 139 15| 1.1 3.1 4.1| 51.9 -16.5 35.4 17.7 0.37| 6.9 2.5 2500 228 11 143 14| 0.9 2.5 3.3| 63.7 -16.5 47.2 18.9 0.43| 6.2 2.7 3000 231 13 149 14| 1.4 2.1 3.5| 80.8 -16.5 64.3 21.4 0.51| 5.9 3.0 4000 239 16 165 13| 2.3 1.5 3.9|119.3 -16.5 102.8 25.7 0.61| 5.7 3.5 5000 249 20 188 11| 2.9 1.2 4.2|167.0 -16.5 150.5 30.1 0.66| 5.7 3.7 6000 253 23 206 12| 2.4 1.3 3.7|167.0 -25.7 141.4 23.6 0.60| 5.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251204.00.gif