UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 29 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 181 SFC 946 646 14.0 9.0 72 5.0 11.1 25 3 291.7 293.1 286.6 313.5 7.63 2 925 834 12.4 7.9 74 4.5 9.9 15 7 292.0 293.3 286.3 312.7 7.24 3 850 1536 6.8 -0.2 61 7.0 3.4 250 1 293.3 294.1 283.9 306.2 4.43 4 787 2165 3.0 -4.0 60 7.0 -0.1 248 6 295.7 296.4 284.0 306.5 3.61 5 701 3092 -3.7 -3.8 99 0.1 -3.7 245 13 298.3 299.0 285.5 310.6 4.12 6 700 3103 -3.9 -4.0 99 0.1 -4.0 245 13 298.2 298.9 285.4 310.3 4.06 7 581 4544 -14.5 -16.1 88 1.6 -15.0 198 6 302.1 302.4 284.5 308.0 1.87 8 538 5124 -16.7 -18.7 84 2.0 -17.3 179 4 306.2 306.5 285.8 311.4 1.62 9 500 5670 -20.7 -23.2 80 2.5 -21.2 160 1 307.8 308.0 285.9 311.7 1.18 10 400 7280 -33.5 -37.4 68 3.9 -33.9 50 19 311.4 311.5 286.3 312.8 0.38 11 397 7333 -34.1 -38.0 68 3.9 -34.5 48 19 311.3 311.4 286.2 312.6 0.36 12 305 9139 -43.7 -48.7 58 5.0 -44.0 344 21 322.2 322.3 289.6 322.8 0.15 13 300 9250 -44.7 -49.7 57 5.0 -44.9 340 21 322.4 322.4 289.6 322.9 0.14 14 290 9477 -46.7 -51.7 57 5.0 -46.9 337 21 322.6 322.7 289.7 323.1 0.11 15 250 10460 -48.7 -53.7 56 5.0 -48.9 325 23 333.7 333.7 292.8 334.1 0.10 16 200 11910 -52.9 -58.9 48 6.0 -53.1 315 36 349.0 349.0 296.5 349.3 0.07 17 179 12625 -53.9 -59.9 48 6.0 -54.1 309 36 358.6 358.6 298.5 358.9 0.07 18 163 13223 -57.1 -63.1 46 6.0 -57.2 304 35 363.0 363.0 299.3 363.2 0.05 19 150 13750 -57.1 -63.1 46 6.0 -57.3 300 35 371.7 371.7 300.9 371.9 0.05 20 145 13964 -56.7 -63.7 41 7.0 -56.9 304 37 376.0 376.0 301.6 376.3 0.05 21 130 14647 -61.5 -68.5 39 7.0 -61.6 315 44 379.3 379.3 302.2 379.5 0.03 22 118 15248 -60.1 -68.1 34 8.0 -60.3 304 41 392.6 392.6 304.2 392.7 0.03 23 100 16270 -63.9 -72.9 28 9.0 -64.0 285 36 404.3 404.3 305.8 404.4 0.02 24 81 17560 -65.1 -75.1 24 10.0 -65.3 291 26 426.9 426.9 308.5 427.0 0.02 25 74 18116 -61.3 -72.3 22 11.0 -61.6 293 22 446.1 446.1 310.5 446.3 0.03 26 70 18460 -62.9 -74.9 18 12.0 -63.1 295 19 449.8 449.8 310.8 449.9 0.02 27 57 19715 -65.9 -80.9 11 15.0 -66.1 301 25 470.2 470.2 312.7 470.3 0.01 28 50 20520 -60.9 -78.9 8 18.0 -61.4 305 29 500.0 500.0 314.9 500.1 0.02 29 46 21040 -59.1 -79.1 6 20.0 -59.7 300 29 516.4 516.4 316.1 516.5 0.02 30 32 23298 -62.1 -91.1 1 29.0 -62.8 279 29 564.8 564.8 318.9 564.8 0.00 31 30 23700 -59.1 -89.1 1 30.0 -60.1 275 29 583.5 583.5 319.8 583.6 0.00 32 27 24366 -55.5 -86.5 1 31.0 -57.2 269 24 611.5 611.5 321.1 611.5 0.01 33 20 26280 -54.9 -86.9 1 32.0 -57.1 250 9 668.1 668.1 323.3 668.2 0.01 34 18 26952 -56.5 -87.5 1 31.0 -58.6 255 14 683.5 683.5 323.9 683.6 0.01 35 16 27709 -51.5 -84.5 1 33.0 -55.1 261 20 723.3 723.3 325.1 723.4 0.02 36 14 28573 -53.3 -85.3 1 32.0 -56.7 268 27 745.3 745.3 325.8 745.5 0.02 37 13 29053 -50.7 -83.7 1 33.0 -55.1 272 31 770.3 770.3 326.5 770.5 0.03 38 12 29576 -49.5 -82.5 1 33.0 -54.6 276 35 792.4 792.4 327.1 792.7 0.04 39 10 30780 -46.3 -80.3 1 34.0 -53.4 285 44 846.7 846.8 328.3 847.3 0.06 40 9.5 31122 -44.7 -79.7 1 35.0 -52.7 865.3 865.3 328.7 866.0 0.07 TRP 130 14647 -61.5 -68.5 39 7.0 -61.6 315 44 379.3 379.3 302.2 379.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5489.00 m Freezing level: 748.49 mb = 2579.84 m = 8463.94 ft Wetbulb zero: 788.73 mb = 2146.87 m = 7043.44 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 80.63 % Est. max temperature: 17.57 C = 63.62 F Sfc-Lift cond lev (LCL): 877.50 mb = 1271.67 m = 4172.10 ft T: 8.91 C 700-500 lapse rate: 6.54 C/km ThetaE index: 7.29 C Layer 925.0- 787.0 mb Conv cond level (CCL): 789.71 mb = 2136.77 m = 7010.33 ft Mean mixing ratio: 6.10 g/kg Conv temperature: 17.81 C = 64.06 F Cap Strength: 1.59 C Lifted Index: 1.55 C Risk: Showers probable Lifted Index @300 mb: 8.95 C Lifted Index @700 mb: 0.18 C Showalter Index: 4.01 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 20.50 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 3.00 Risk: None Energy Index: 1.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.03 J/kg Max Up Vert Vel: 7.35 m/s Conv Inhibition (B-): 62.05 J/kg Cap Strength: 1.59 C Lift Cond Lev (LCL): 826.16 mb = 1768.28 m = 5801.38 ft Lev Free Conv (LFC): 681.16 mb = 3313.96 m = 10872.43 ft Equ Level (EL): 561.16 mb = 4805.96 m = 15767.40 ft B at Equ Level: 26.15 J/kg Max Parcel Lev (MPL): 511.16 mb = 5505.44 m = 18062.24 ft Wind level data Storm motion: 269 at 5 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 ---------------------------------------------------------- 0 946 646 25 3 -1.3 -2.7 | 66 7 -6.2 -2.8 1 925 834 15 7 -1.8 -6.8 | 44 10 -6.7 -6.8 2 850 1536 250 1 0.9 0.3 | 94 4 -3.9 0.3 3 700 3103 245 13 11.8 5.5 | 232 9 6.9 5.4 4 500 5670 160 1 -0.3 0.9 | 99 5 -5.2 0.9 5 400 7280 50 19 -14.6 -12.2 | 58 23 -19.4 -12.3 6 300 9250 340 21 7.2 -19.7 | 353 20 2.3 -19.8 7 250 10460 325 23 13.2 -18.8 | 336 21 8.3 -18.9 8 200 11910 315 36 25.5 -25.5 | 321 33 20.6 -25.5 9 150 13750 300 35 30.3 -17.5 | 305 31 25.4 -17.6 10 130 14647 315 44 31.1 -31.1 | 320 41 26.2 -31.2 11 100 16270 285 36 34.8 -9.3 | 287 31 29.9 -9.4 12 70 18460 295 19 17.2 -8.0 | 303 15 12.3 -8.1 13 50 20520 305 29 23.8 -16.6 | 312 25 18.9 -16.7 14 30 23700 275 29 28.9 -2.5 | 276 24 24.0 -2.6 15 20 26280 250 9 8.5 3.1 | 230 5 3.6 3.0 16 10 30780 285 44 42.5 -11.4 | 287 39 37.6 -11.5 Wind Parameters Mean winds (0-6000m): 239.1 at 6.5 knts Storm direction: 269.1 at 4.9 knts Shear (0-3000m) pos: 0.0 neg: 2.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 135.8 deg Storm rel helicity (0-3000m) pos: 7.3 neg: -19.2 tot: -12.0 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.83 Bulk Shear: 14.73 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 3 5 43 8| 0.0 4.2 4.2| 0.1 -10.1 -10.0 -20.1 -0.48| 10.2 -4.9 1000 8 4 54 7| 0.0 2.3 2.3| 2.7 -10.1 -7.4 -7.4 -0.08| 7.9 -0.7 1500 333 4 42 5| 0.0 2.8 2.8| 4.5 -10.1 -5.7 -3.8 0.10| 6.6 0.7 2000 280 5 11 1| 0.0 3.1 3.1| 6.1 -10.1 -4.0 -2.0 0.17| 5.9 1.0 2500 260 6 229 2| 0.0 3.1 3.1| 7.3 -10.8 -3.5 -1.4 0.16| 5.4 0.9 3000 252 7 220 3| 0.0 2.3 2.3| 7.3 -19.2 -12.0 -4.0 0.01| 5.2 0.0 4000 243 7 206 4| 0.0 1.1 1.1| 7.3 -31.4 -24.1 -6.0 -0.17| 4.8 -0.8 5000 247 7 205 3| 0.0 0.4 0.4| 7.3 -39.4 -32.1 -6.4 -0.27| 4.4 -1.2 6000 239 7 192 3| 0.0 1.0 1.0| 9.5 -57.5 -48.1 -8.0 -0.27| 4.8 -1.3 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251029.12.gif