UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:1200Z 9 DEC 25 Station: EP374 WMO ident: 12374 Latitude: 52.40 Longitude: 20.97 ------------------------------------------------------------------------------- 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 1003 97 10.4 9.8 96 0.6 10.1 270 3 283.3 284.6 283.1 304.2 7.60 1 1000 122 10.0 9.5 97 0.5 9.7 260 5 283.1 284.4 282.9 303.7 7.46 2 925 767 6.2 6.2 100 0.0 6.2 275 23 285.6 286.8 282.8 303.6 6.43 3 904 955 5.2 5.2 100 0.0 5.2 278 22 286.5 287.6 282.9 303.8 6.14 4 850 1456 2.2 1.5 95 0.7 1.9 285 21 288.5 289.3 282.5 302.8 5.02 5 830 1648 1.0 0.6 97 0.4 0.8 286 23 289.2 290.0 282.5 303.0 4.81 6 798 1963 -0.7 -5.2 72 4.5 -2.5 288 26 290.6 291.2 281.4 300.1 3.25 7 741 2553 -3.3 -5.3 86 2.0 -4.1 292 32 294.0 294.6 283.1 304.3 3.47 8 700 3000 -7.1 -8.4 90 1.3 -7.6 295 36 294.6 295.1 282.7 303.3 2.90 9 695 3056 -7.3 -7.3 100 0.0 -7.3 295 37 295.0 295.6 283.2 304.5 3.18 10 641 3682 -11.3 -11.3 100 0.0 -11.3 294 46 297.4 297.8 283.4 305.0 2.51 11 636 3742 -11.3 -13.8 82 2.5 -12.1 294 47 298.0 298.4 283.2 304.4 2.07 12 591 4302 -14.9 -19.5 68 4.6 -16.1 292 56 300.2 300.4 283.2 304.5 1.38 13 535 5048 -20.3 -20.3 100 0.0 -20.3 291 67 302.4 302.6 284.1 306.9 1.42 14 530 5118 -19.1 -21.9 78 2.8 -19.7 291 68 304.6 304.9 284.8 308.7 1.25 15 515 5331 -20.1 -23.5 74 3.4 -20.8 290 72 305.9 306.1 285.2 309.6 1.12 16 500 5550 -21.7 -24.7 77 3.0 -22.3 290 75 306.6 306.8 285.3 310.0 1.03 17 464 6094 -25.7 -28.3 79 2.6 -26.1 293 80 308.2 308.4 285.7 310.9 0.80 18 414 6908 -31.5 -37.5 55 6.0 -32.1 298 87 311.0 311.0 286.1 312.3 0.37 19 400 7150 -33.7 -38.4 63 4.7 -34.1 300 89 311.2 311.3 286.2 312.4 0.35 20 380 7509 -36.3 -38.3 82 2.0 -36.5 302 94 312.4 312.4 286.6 313.7 0.37 21 372 7657 -37.5 -42.1 62 4.6 -37.8 303 96 312.7 312.7 286.6 313.6 0.25 22 352 8037 -40.3 -43.6 71 3.3 -40.5 304 101 313.9 313.9 287.0 314.7 0.23 23 342 8234 -41.1 -57.1 16 16.0 -41.7 305 104 315.4 315.4 287.3 315.6 0.05 24 339 8294 -39.7 -56.7 15 17.0 -40.4 306 105 318.1 318.1 288.2 318.3 0.05 25 333 8416 -40.5 -54.5 21 14.0 -41.1 306 106 318.6 318.6 288.4 318.9 0.07 26 329 8499 -40.9 -45.9 58 5.0 -41.2 307 107 319.2 319.2 288.7 319.9 0.19 27 300 9120 -46.7 -49.1 76 2.4 -46.8 310 116 319.5 319.6 288.8 320.1 0.15 28 269 9832 -52.7 -54.2 84 1.5 -52.7 316 117 320.9 320.9 289.1 321.3 0.09 29 250 10300 -56.7 -59.6 70 2.9 -56.8 320 118 321.8 321.8 289.3 322.0 0.05 30 246 10402 -57.5 -60.5 68 3.0 -57.6 321 119 322.1 322.1 289.5 322.2 0.04 31 239 10583 -58.9 -63.4 56 4.5 -59.0 323 121 322.6 322.6 289.6 322.8 0.03 32 229 10849 -61.0 -65.3 57 4.3 -61.1 325 124 323.4 323.4 289.8 323.5 0.03 33 224 10985 -62.1 -66.3 57 4.2 -62.1 325 119 323.8 323.8 289.9 323.8 0.02 34 218 11153 -62.7 -63.7 88 1.0 -62.7 325 113 325.3 325.4 290.4 325.5 0.03 35 212 11324 -63.7 -66.1 72 2.4 -63.7 325 106 326.4 326.4 290.7 326.5 0.02 36 200 11680 -63.9 -70.9 38 7.0 -64.0 320 79 331.6 331.6 292.2 331.6 0.01 37 194 11867 -63.5 -74.5 21 11.0 -63.6 319 76 335.1 335.1 293.1 335.1 0.01 38 159 13098 -60.3 -81.3 5 21.0 -60.5 312 53 360.1 360.1 298.7 360.2 0.00 39 150 13460 -61.5 -81.5 5 20.0 -61.7 310 46 364.1 364.1 299.5 364.1 0.00 40 100 15960 -61.5 -83.5 4 22.0 -61.7 310 35 408.9 408.9 306.4 408.9 0.00 41 70 18160 -65.1 -86.1 4 21.0 -65.3 315 38 445.1 445.1 310.4 445.1 0.00 42 50 20200 -67.9 -87.9 4 20.0 -68.1 310 36 483.5 483.5 313.7 483.5 0.00 43 41 21386 -70.1 -89.1 5 19.0 -70.3 312 40 506.2 506.2 315.4 506.2 0.00 44 33 22686 -66.9 -88.9 3 22.0 -67.2 314 44 547.1 547.1 317.9 547.2 0.00 45 30 23260 -68.1 -90.1 3 22.0 -68.4 315 46 559.0 559.0 318.6 559.0 0.00 46 21 25365 -73.5 -92.5 4 19.0 -73.7 311 60 602.7 602.7 320.7 602.7 0.00 47 20 25650 -72.7 -92.7 3 20.0 -72.9 310 62 613.6 613.6 321.2 613.7 0.00 48 13 28179 -73.3 -93.3 3 20.0 -73.6 692.0 692.0 324.1 692.0 0.00 49 10 29730 -69.7 -92.7 2 23.0 -70.5 759.4 759.4 326.2 759.4 0.01 50 8.5 30708 -65.9 -90.9 2 25.0 -67.3 810.4 810.4 327.5 810.5 0.01 TRP 212 11324 -63.7 -66.1 72 2.4 -63.7 325 106 326.4 326.4 290.7 326.5 0.02 WND 229 10849 -61.0 -65.3 57 4.3 -61.1 325 124 323.4 323.4 289.8 323.5 0.03 Sounding variables and indices 1000-500 mb thick: 5428.00 m Freezing level: 811.18 mb = 1833.36 m = 6014.89 ft Wetbulb zero: 822.16 mb = 1723.99 m = 5656.08 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 88.08 % Est. max temperature: 15.44 C = 59.79 F Sfc-Lift cond lev (LCL): 994.02 mb = 171.66 m = 563.18 ft T: 9.71 C 700-500 lapse rate: 5.73 C/km ThetaE index: 2.82 C Layer 798.0- 741.0 mb Conv cond level (CCL): 947.41 mb = 568.94 m = 1866.57 ft Mean mixing ratio: 6.81 g/kg Conv temperature: 11.98 C = 53.56 F Cap Strength: 4.55 C Lifted Index: 4.71 C Risk: None Lifted Index @300 mb: 11.35 C Lifted Index @700 mb: 0.26 C Showalter Index: 5.35 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.20 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 135.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.38 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 0.22 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 949.28 mb = 552.62 m = 1813.05 ft Lev Free Conv (LFC): 894.28 mb = 1043.01 m = 3421.92 ft Equ Level (EL): 794.28 mb = 2000.31 m = 6562.62 ft B at Equ Level: 14.95 J/kg Max Parcel Lev (MPL): 734.28 mb = 2624.21 m = 8609.52 ft Wind level data Storm motion: 320 at 32 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 1003 97 270 3 3.0 -0.0 | 145 30 -17.4 24.6 1 1000 122 260 5 4.9 0.9 | 149 30 -15.5 25.4 2 925 767 275 23 22.9 -2.0 | 186 23 2.5 22.6 3 850 1456 285 21 20.3 -5.4 | 180 19 -0.1 19.1 4 700 3000 295 36 32.6 -15.2 | 233 15 12.2 9.3 5 500 5550 290 75 70.5 -25.7 | 271 50 50.1 -1.1 6 400 7150 300 89 77.1 -44.5 | 289 60 56.7 -19.9 7 300 9120 310 116 88.9 -74.6 | 306 85 68.5 -50.0 8 250 10300 320 118 75.8 -90.4 | 320 86 55.4 -65.8 9 229 10849 325 124 71.1 -101.6 | 327 92 50.7 -77.0 10 212 11324 325 106 60.8 -86.8 | 327 74 40.4 -62.3 11 200 11680 320 79 50.8 -60.5 | 320 47 30.4 -36.0 12 150 13460 310 46 35.2 -29.6 | 289 16 14.8 -5.0 13 100 15960 310 35 26.8 -22.5 | 252 7 6.4 2.1 14 70 18160 315 38 26.9 -26.9 | 290 7 6.5 -2.3 15 50 20200 310 36 27.6 -23.1 | 259 7 7.2 1.4 16 30 23260 315 46 32.5 -32.5 | 303 15 12.1 -8.0 17 20 25650 310 62 47.5 -39.9 | 299 31 27.1 -15.3 Wind Parameters Mean winds (0-6000m): 290.3 at 42.6 knts Storm direction: 320.3 at 31.9 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 92.4 deg Storm rel helicity (0-3000m) pos: 201.9 neg: -11.5 tot: 190.4 m^2/s^2 ave: 63.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.11 Bulk Shear: 138.81 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 ------------------------------------------------------------------------------- 500 269 11 160 26| 15.7 0.0 15.7|103.8 0.0 103.8 207.6 0.93| 16.0 14.8 1000 275 17 170 24| 9.8 0.0 9.8|132.2 -5.4 126.7 126.7 0.81| 11.5 9.3 1500 278 18 174 22| 6.7 0.0 6.7|137.2 -11.5 125.7 83.8 0.70| 8.8 6.1 2000 281 20 178 21| 6.3 0.0 6.3|158.6 -11.5 147.1 73.6 0.73| 7.9 5.8 2500 284 22 182 19| 6.0 0.0 6.0|179.7 -11.5 168.2 67.3 0.77| 7.4 5.7 3000 287 24 188 18| 6.0 0.0 6.0|201.9 -11.5 190.4 63.5 0.79| 7.1 5.7 4000 289 29 206 17| 4.5 2.0 6.4|252.5 -11.5 241.0 60.3 0.74| 7.3 5.4 5000 290 36 227 18| 3.6 3.2 6.7|296.1 -11.5 284.6 56.9 0.64| 7.4 4.8 6000 290 43 243 22| 3.4 3.3 6.7|391.9 -11.5 380.4 63.4 0.63| 7.4 4.6 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251209.12.gif