UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for X4858... Searching the city database file for: X4858 ... Date:1200Z 23 APR 25 Station: X4858 WMO ident: 34858 Latitude: 45.92 Longitude: 43.35 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1002 87 25.0 7.0 32 18.0 14.5 85 1 298.0 299.1 287.6 316.5 6.27 1 1000 104 24.2 5.2 29 19.0 13.5 90 1 297.4 298.4 286.6 313.7 5.54 2 997 130 23.4 5.4 31 18.0 13.3 91 1 296.8 297.8 286.5 313.4 5.64 3 925 776 17.4 4.4 42 13.0 10.3 125 5 297.1 298.1 286.6 313.8 5.67 4 850 1489 10.2 2.2 58 8.0 6.1 170 3 296.8 297.8 286.2 312.4 5.28 5 823 1756 7.4 0.4 61 7.0 3.9 183 5 296.6 297.5 285.6 310.8 4.78 6 808 1907 6.4 0.4 65 6.0 3.4 191 7 297.1 298.0 285.9 311.6 4.87 7 781 2185 5.0 -4.0 52 9.0 1.0 205 9 298.5 299.2 285.1 309.5 3.64 8 700 3066 -2.7 -9.7 59 7.0 -5.4 250 17 299.5 300.0 284.4 307.5 2.61 9 657 3563 -7.1 -13.1 62 6.0 -9.1 249 18 300.0 300.4 284.0 306.6 2.12 10 622 3987 -8.9 -20.9 37 12.0 -12.1 248 18 302.7 302.9 284.0 306.4 1.16 11 552 4900 -14.3 -27.3 32 13.0 -17.1 246 20 306.8 306.9 285.1 309.3 0.74 12 500 5640 -20.5 -33.5 30 13.0 -22.5 245 21 308.0 308.1 285.2 309.6 0.45 13 411 7058 -31.5 -48.5 17 17.0 -32.7 245 36 311.6 311.6 286.1 312.0 0.11 14 400 7250 -32.5 -50.5 15 18.0 -33.7 245 38 312.7 312.8 286.4 313.1 0.09 15 300 9220 -46.3 -63.3 13 17.0 -46.7 250 56 320.1 320.1 288.8 320.2 0.03 16 251 10384 -54.7 -67.7 19 13.0 -54.9 250 46 324.4 324.4 290.1 324.4 0.02 17 250 10410 -54.7 -67.7 19 13.0 -54.9 245 46 324.7 324.7 290.2 324.8 0.02 18 200 11850 -52.9 -66.9 17 14.0 -53.2 240 33 349.0 349.0 296.4 349.1 0.02 19 153 13591 -49.7 -67.7 10 18.0 -50.3 245 26 382.3 382.3 302.6 382.4 0.03 20 150 13720 -50.1 -68.1 10 18.0 -50.7 245 25 383.7 383.7 302.9 383.9 0.03 21 100 16320 -57.1 -77.1 6 20.0 -57.5 245 21 417.4 417.4 307.4 417.5 0.01 22 78 17875 -60.5 -80.5 6 20.0 -60.9 266 15 441.1 441.1 310.0 441.1 0.01 23 70 18550 -59.1 -80.1 5 21.0 -59.6 275 13 457.9 458.0 311.6 458.0 0.01 24 64 19113 -58.3 -79.3 5 21.0 -58.8 276 12 471.6 471.6 312.8 471.7 0.01 25 56 19950 -60.7 -81.7 5 21.0 -61.2 278 12 484.5 484.5 313.8 484.5 0.01 26 52 20414 -58.3 -79.3 5 21.0 -58.9 279 11 500.4 500.5 315.0 500.5 0.01 27 50 20660 -59.3 -80.3 5 21.0 -59.9 280 11 503.7 503.7 315.2 503.8 0.01 28 30 23858 -59.5 -81.5 4 22.0 -60.4 582.4 582.4 319.8 582.6 0.02 TRP 251 10384 -54.7 -67.7 19 13.0 -54.9 250 46 324.4 324.4 290.1 324.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5536.00 m Freezing level: 728.40 mb = 2757.11 m = 9045.51 ft Wetbulb zero: 768.75 mb = 2312.30 m = 7586.19 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 46.08 % Est. max temperature: 23.86 C = 74.95 F Sfc-Lift cond lev (LCL): 768.16 mb = 2318.41 m = 7606.25 ft T: 3.83 C 700-500 lapse rate: 6.92 C/km ThetaE index: 5.13 C Layer 781.0- 552.0 mb Conv cond level (CCL): 739.79 mb = 2621.23 m = 8599.72 ft Mean mixing ratio: 5.65 g/kg Conv temperature: 26.05 C = 78.90 F Cap Strength: 1.64 C Lifted Index: -0.42 C Risk: Thunderstorms probable Lifted Index @300 mb: 4.89 C Lifted Index @700 mb: -0.32 C Showalter Index: 0.34 C Risk: Thunderstorms probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 22.70 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 141.40 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.53 J/kg Max Up Vert Vel: 11.36 m/s Conv Inhibition (B-): 35.14 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 761.52 mb = 2388.29 m = 7835.50 ft Lev Free Conv (LFC): 706.52 mb = 2991.41 m = 9814.21 ft Equ Level (EL): 566.52 mb = 4701.63 m = 15425.12 ft B at Equ Level: 49.01 J/kg Max Parcel Lev (MPL): 356.52 mb = 8038.01 m = 26371.09 ft Wind level data Storm motion: 273 at 10 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 1002 87 85 1 -1.0 -0.1 | 92 11 -11.2 0.4 1 1000 104 90 1 -1.0 0.0 | 92 11 -11.2 0.5 2 925 776 125 5 -4.1 2.9 | 103 15 -14.3 3.3 3 850 1489 170 3 -0.5 3.0 | 108 11 -10.7 3.4 4 700 3066 250 17 16.0 5.8 | 223 9 5.8 6.3 5 500 5640 245 21 19.0 8.9 | 223 13 8.8 9.3 6 400 7250 245 38 34.4 16.1 | 236 29 24.2 16.5 7 300 9220 250 56 52.6 19.2 | 245 47 42.4 19.6 8 251 10384 250 46 43.2 15.7 | 244 37 33.0 16.2 9 250 10410 245 46 41.7 19.4 | 238 37 31.5 19.9 10 200 11850 240 33 28.6 16.5 | 227 25 18.4 17.0 11 150 13720 245 25 22.7 10.6 | 228 17 12.5 11.0 12 100 16320 245 21 19.0 8.9 | 223 13 8.8 9.3 13 70 18550 275 13 13.0 -1.1 | 284 3 2.7 -0.7 14 50 20660 280 11 10.8 -1.9 | 336 2 0.6 -1.4 Wind Parameters Mean winds (0-6000m): 242.6 at 13.6 knts Storm direction: 272.6 at 10.2 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 130.6 deg Storm rel helicity (0-3000m) pos: 66.1 neg: -0.2 tot: 66.0 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.07 Bulk Shear: 31.13 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 ------------------------------------------------------------------------------- 500 110 2 96 13| 3.1 0.0 3.1| 5.2 0.0 5.2 10.3 0.49| 3.2 1.6 1000 125 3 101 13| 1.9 0.0 1.9| 12.7 0.0 12.7 12.7 0.57| 3.2 1.8 1500 135 3 103 13| 1.4 0.0 1.4| 16.2 -0.2 16.0 10.7 0.51| 3.1 1.6 2000 157 4 110 13| 2.3 0.0 2.3| 31.7 -0.2 31.6 15.8 0.69| 3.7 2.5 2500 188 5 122 11| 2.8 0.0 2.8| 48.6 -0.2 48.5 19.4 0.77| 4.3 3.3 3000 223 7 136 8| 3.1 0.0 3.1| 66.1 -0.2 66.0 22.0 0.83| 4.9 4.0 4000 237 10 161 6| 2.3 0.2 2.5| 66.5 -0.2 66.3 16.6 0.79| 3.9 3.1 5000 241 12 182 6| 1.9 0.3 2.2| 66.5 -0.2 66.3 13.3 0.75| 3.3 2.4 6000 243 14 196 7| 1.5 0.8 2.3| 72.4 -0.3 72.1 12.0 0.67| 3.2 2.2 Wrote GIF file: /home/apache/climate/data/raob//X4858/skewt/X4858.skewt.20250423.12.gif