UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 28 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 145 SFC 942 651 14.0 10.2 78 3.8 11.7 320 3 292.1 293.6 287.3 315.8 8.32 2 925 805 14.2 12.0 87 2.2 12.9 300 1 293.8 295.5 289.1 321.2 9.56 3 915 897 13.8 11.0 83 2.8 12.1 279 1 294.3 296.0 288.8 320.3 9.04 4 900 1036 12.8 5.8 62 7.0 8.9 247 2 294.7 295.9 286.5 313.4 6.43 5 850 1513 9.2 1.2 57 8.0 5.2 135 3 295.8 296.7 285.4 310.2 4.91 6 825 1760 7.8 -0.2 57 8.0 3.9 143 4 296.8 297.7 285.5 310.4 4.57 7 722 2843 -0.5 -2.9 84 2.4 -1.6 181 8 299.3 300.1 286.1 312.1 4.28 8 700 3090 -1.9 -2.4 96 0.5 -2.1 190 9 300.4 301.2 286.8 314.2 4.58 9 681 3309 -2.1 194 11 302.5 10 519 5410 -15.9 239 30 310.3 11 500 5690 -18.3 -18.3 100 0.0 -18.3 245 33 310.7 311.1 287.6 316.6 1.81 12 400 7320 -31.1 -31.3 98 0.2 -31.2 240 38 314.6 314.7 287.8 317.0 0.70 13 300 9280 -48.5 -50.9 76 2.4 -48.6 245 35 317.0 317.0 287.9 317.4 0.12 14 250 10450 -59.7 -63.7 59 4.0 -59.7 245 36 317.3 317.3 287.9 317.4 0.03 15 238 10756 -62.3 -65.9 62 3.6 -62.3 250 36 317.9 317.9 288.1 318.0 0.02 16 225 11109 -55.9 -58.9 69 3.0 -56.0 256 36 332.8 332.9 292.6 333.1 0.06 17 200 11860 -55.5 -58.6 68 3.1 -55.6 270 35 344.9 344.9 295.6 345.2 0.07 18 178 12603 -54.5 -57.6 68 3.1 -54.6 272 33 358.2 358.2 298.4 358.6 0.09 19 150 13690 -57.5 -61.1 63 3.6 -57.6 275 31 371.0 371.0 300.8 371.3 0.07 20 100 16220 -61.7 -66.7 51 5.0 -61.8 275 29 408.5 408.5 306.3 408.8 0.05 21 70 18430 -62.7 -69.7 38 7.0 -62.9 285 31 450.2 450.3 310.9 450.5 0.05 22 50 20510 -60.3 -69.3 30 9.0 -60.7 285 33 501.4 501.4 315.1 501.8 0.07 23 31 23486 -61.5 -74.5 16 13.0 -62.1 290 24 571.6 571.6 319.3 572.0 0.05 24 30 23690 -60.1 -74.1 14 14.0 -60.9 290 23 580.8 580.8 319.7 581.2 0.06 25 25 24841 -53.7 -69.7 12 16.0 -55.5 292 21 630.3 630.3 321.9 631.3 0.13 26 20 26270 -54.1 -74.1 7 20.0 -56.3 295 19 670.6 670.6 323.4 671.3 0.08 27 11 30115 -51.7 -84.7 1 33.0 -56.2 273 29 804.3 804.3 327.4 804.6 0.03 28 10 30730 -53.3 -85.3 1 32.0 -57.5 270 31 820.6 820.6 327.7 820.8 0.03 29 9.6 30992 -54.1 -86.1 1 32.0 -58.2 827.2 827.2 327.9 827.4 0.02 30 9.2 31268 -50.3 -83.3 1 33.0 -55.9 851.9 851.9 328.4 852.3 0.04 TRP 238 10756 -62.3 -65.9 62 3.6 -62.3 250 36 317.9 317.9 288.1 318.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5545.00 m Freezing level: 728.20 mb = 2777.81 m = 9113.43 ft Wetbulb zero: 752.31 mb = 2509.00 m = 8231.54 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 70.45 % Est. max temperature: 19.42 C = 66.95 F Sfc-Lift cond lev (LCL): 889.76 mb = 1131.36 m = 3711.75 ft T: 12.08 C 700-500 lapse rate: 6.31 C/km ThetaE index: 10.98 C Layer 915.0- 825.0 mb Conv cond level (CCL): 783.16 mb = 2182.60 m = 7160.66 ft Mean mixing ratio: 6.79 g/kg Conv temperature: 19.62 C = 67.32 F Cap Strength: 2.14 C Lifted Index: 1.31 C Risk: Showers probable Lifted Index @300 mb: 2.16 C Lifted Index @700 mb: 0.13 C Showalter Index: 3.83 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 19.50 C K Index: 28.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 53.40 Risk: None Energy Index: 1.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.87 J/kg Max Up Vert Vel: 4.87 m/s Conv Inhibition (B-): 43452.40 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 819.04 mb = 1818.67 m = 5966.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 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 ---------------------------------------------------------- 0 942 651 320 3 1.9 -2.3 | 70 11 -10.6 -3.9 1 925 805 300 1 0.9 -0.5 | 80 12 -11.6 -2.1 2 850 1513 135 3 -2.1 2.1 | 92 15 -14.6 0.6 3 700 3090 190 9 1.6 8.9 | 124 13 -11.0 7.3 4 500 5690 245 33 29.9 13.9 | 235 21 17.4 12.4 5 400 7320 240 38 32.9 19.0 | 229 27 20.4 17.4 6 300 9280 245 35 31.7 14.8 | 235 23 19.2 13.2 7 250 10450 245 36 32.6 15.2 | 236 24 20.1 13.6 8 238 10756 250 36 33.8 12.3 | 243 24 21.3 10.7 9 200 11860 270 35 35.0 -0.0 | 274 23 22.5 -1.6 10 150 13690 275 31 30.9 -2.7 | 283 19 18.4 -4.3 11 100 16220 275 29 28.9 -2.5 | 284 17 16.4 -4.1 12 70 18430 285 31 29.9 -8.0 | 299 20 17.4 -9.6 13 50 20510 285 33 31.9 -8.5 | 298 22 19.4 -10.1 14 30 23690 290 23 21.6 -7.9 | 316 13 9.1 -9.4 15 20 26270 295 19 17.2 -8.0 | 334 11 4.7 -9.6 16 10 30730 270 31 31.0 -0.0 | 275 19 18.5 -1.6 Wind Parameters Mean winds (0-6000m): 232.9 at 16.8 knts Storm direction: 262.9 at 12.6 knts Shear (0-3000m) pos: 2.2 neg: 1.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 78.1 deg Storm rel helicity (0-3000m) pos: 64.9 neg: -1.3 tot: 63.5 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.37 Bulk Shear: 32.25 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 ------------------------------------------------------------------------------- 500 274 2 81 11| 0.0 4.0 4.0| 11.7 0.0 11.7 23.4 0.94| 4.3 4.0 1000 142 2 91 14| 0.0 3.4 3.4| 16.2 -1.3 14.9 14.9 0.58| 4.3 2.5 1500 149 3 94 14| 0.8 2.2 3.0| 25.4 -1.3 24.1 16.1 0.67| 3.7 2.5 2000 162 4 99 14| 1.3 1.7 2.9| 35.7 -1.3 34.4 17.2 0.73| 3.5 2.5 2500 177 5 104 13| 1.6 1.3 3.0| 46.8 -1.3 45.5 18.2 0.77| 3.4 2.7 3000 184 6 109 13| 2.2 1.1 3.3| 64.9 -1.3 63.5 21.2 0.82| 3.8 3.1 4000 204 9 127 11| 3.0 0.8 3.8|108.7 -1.3 107.3 26.8 0.88| 4.3 3.8 5000 226 13 158 8| 3.5 0.7 4.1|170.9 -1.3 169.6 33.9 0.89| 4.9 4.3 6000 233 17 186 9| 2.9 0.7 3.6|173.5 -8.3 165.2 27.5 0.81| 4.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251028.12.gif