UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123011.upa.cvt Date: 1100Z 30 DEC 25 Searching for EP120... Searching the city database file for: EP120 ... Date:1100Z 30 DEC 25 Station: EP120 WMO ident: 12120 Latitude: 54.75 Longitude: 17.53 ------------------------------------------------------------------------------- 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 1011 -2 1.2 -6.8 55 8.0 -1.6 320 5 273.5 273.9 271.0 279.8 2.27 1 1000 86 0.4 -7.6 55 8.0 -2.3 335 25 273.5 273.9 270.8 279.5 2.15 2 974 296 -2.1 -8.1 63 6.0 -4.1 335 28 273.1 273.5 270.5 279.0 2.13 3 925 704 -5.9 -9.7 74 3.8 -7.1 335 33 273.3 273.6 270.4 278.8 1.98 4 902 900 -7.7 -12.2 70 4.5 -8.9 336 33 273.4 273.7 269.9 278.1 1.66 5 850 1358 -11.9 -15.1 77 3.2 -12.7 340 33 273.7 273.9 269.7 277.6 1.39 6 834 1503 -13.1 -15.6 81 2.5 -13.7 343 33 273.9 274.1 269.8 277.8 1.36 7 803 1790 -16.1 -21.1 65 5.0 -17.0 349 32 273.7 273.8 268.8 276.3 0.88 8 771 2095 -17.9 -26.9 45 9.0 -19.3 355 31 275.0 275.1 269.0 276.6 0.55 9 759 2212 -18.7 -29.7 37 11.0 -20.2 357 31 275.3 275.4 269.1 276.6 0.43 10 727 2533 -19.3 -30.3 37 11.0 -20.8 4 30 278.1 278.2 270.8 279.4 0.42 11 726 2543 -21.5 -33.5 33 12.0 -22.8 4 30 275.8 275.8 269.1 276.7 0.31 12 720 2604 -22.1 -34.1 33 12.0 -23.4 6 30 275.8 275.8 269.1 276.7 0.30 13 700 2810 -24.3 -28.4 69 4.1 -24.8 10 29 275.6 275.7 269.4 277.2 0.53 14 627 3602 -29.9 -36.9 51 7.0 -30.4 5 33 278.0 278.0 270.4 278.8 0.26 15 576 4199 -34.7 -47.7 26 13.0 -35.3 1 35 279.2 279.2 270.8 279.5 0.09 16 555 4457 -36.5 -48.5 28 12.0 -37.0 360 37 280.1 280.1 271.4 280.3 0.08 17 500 5170 -42.5 -56.5 20 14.0 -42.9 355 40 281.2 281.2 271.9 281.3 0.04 18 474 5530 -43.9 -60.9 14 17.0 -44.3 356 45 283.8 283.8 273.4 283.9 0.02 19 414 6433 -48.1 -65.1 12 17.0 -48.4 359 56 289.6 289.6 276.5 289.7 0.01 20 405 6578 -48.1 -65.1 12 17.0 -48.4 360 58 291.4 291.4 277.4 291.5 0.01 21 400 6660 -48.1 -65.1 12 17.0 -48.4 360 58 292.5 292.5 277.9 292.5 0.02 22 373 7122 -48.1 -65.1 12 17.0 -48.4 298.4 298.4 280.7 298.4 0.02 23 371 7158 -49.9 -66.9 12 17.0 -50.1 296.4 296.5 279.8 296.5 0.01 24 369 7193 -48.3 -66.3 11 18.0 -48.6 299.0 299.0 280.9 299.1 0.01 25 330 7924 -52.3 -70.3 10 18.0 -52.5 303.3 303.3 282.7 303.3 0.01 26 302 8497 -54.1 -75.1 6 21.0 -54.3 70 3 308.5 308.5 284.8 308.5 0.00 27 300 8540 -53.9 -74.9 6 21.0 -54.1 309.4 309.4 285.1 309.4 0.00 28 250 9710 -51.9 -83.9 1 32.0 -52.2 328.9 328.9 291.4 328.9 0.00 29 211 10805 -52.9 -84.9 1 32.0 -53.2 343.7 343.7 295.2 343.7 0.00 30 200 11150 -53.3 -85.3 1 32.0 -53.7 348.4 348.4 296.3 348.4 0.00 31 188 11550 -52.7 -84.7 1 32.0 -53.1 355.6 355.6 297.8 355.6 0.00 32 150 12990 -58.7 -88.7 1 30.0 -58.9 368.9 368.9 300.4 369.0 0.00 33 120 14389 -58.7 -88.7 1 30.0 -59.0 393.3 393.3 304.3 393.3 0.00 34 110 14941 -53.9 -84.9 1 31.0 -54.5 412.2 412.2 306.8 412.2 0.00 35 101 15487 -55.5 -86.5 1 31.0 -56.0 419.3 419.3 307.6 419.3 0.00 36 100 15550 -55.7 -86.7 1 31.0 -56.2 420.1 420.1 307.7 420.1 0.00 TRP 302 8497 -54.1 -75.1 6 21.0 -54.3 70 3 308.5 308.5 284.8 308.5 0.00 WND 405 6578 -48.1 -65.1 12 17.0 -48.4 360 58 291.4 291.4 277.4 291.5 0.01 Sounding variables and indices 1000-500 mb thick: 5084.00 m Freezing level: 995.84 mb = 119.67 m = 392.62 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 50.77 % Est. max temperature: 1.33 C = 34.40 F Sfc-Lift cond lev (LCL): 892.28 mb = 983.83 m = 3227.75 ft T: -8.47 C 700-500 lapse rate: 7.71 C/km ThetaE index: 2.69 C Layer 726.0- 700.0 mb Conv cond level (CCL): 874.78 mb = 1136.48 m = 3728.57 ft Mean mixing ratio: 2.07 g/kg Conv temperature: 1.26 C = 34.27 F Cap Strength: 1.77 C Lifted Index: 2.19 C Risk: None Lifted Index @300 mb: 21.55 C Lifted Index @700 mb: -0.88 C Showalter Index: 3.30 C Risk: None Total Totals Index: 58.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.60 C Cross Totals Index: 27.40 C K Index: 11.40 Risk: None Sweat Index: 286.00 Risk: None Energy Index: 0.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.12 J/kg Max Up Vert Vel: 8.38 m/s Conv Inhibition (B-): 3.54 J/kg Cap Strength: 2.08 C Lift Cond Lev (LCL): 878.31 mb = 1105.41 m = 3626.64 ft Lev Free Conv (LFC): 853.31 mb = 1328.00 m = 4356.91 ft Equ Level (EL): 753.31 mb = 2267.90 m = 7440.53 ft B at Equ Level: 19.73 J/kg Max Parcel Lev (MPL): 563.31 mb = 4353.87 m = 14284.16 ft Wind level data Storm motion: 24 at 26 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 1011 -2 320 5 3.2 -3.8 | 215 24 13.8 19.6 1 1000 86 335 25 10.6 -22.7 | 268 21 21.1 0.8 2 925 704 335 33 13.9 -29.9 | 285 25 24.5 -6.5 3 850 1358 340 33 11.3 -31.0 | 289 23 21.9 -7.6 4 700 2810 10 29 -5.0 -28.6 | 313 8 5.5 -5.1 5 500 5170 355 40 3.5 -39.8 | 319 22 14.1 -16.4 6 405 6578 360 58 -0.0 -58.0 | 343 36 10.6 -34.5 7 400 6660 360 58 -0.0 -58.0 | 343 36 10.6 -34.5 Wind Parameters Mean winds (0-6000m): 354.3 at 34.3 knts Storm direction: 24.3 at 25.7 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 100.3 deg Storm rel helicity (0-3000m) pos: 185.8 neg: 0.0 tot: 185.8 m^2/s^2 ave: 61.9 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 6.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.49 Bulk Shear: 23.63 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 ------------------------------------------------------------------------------- 500 335 25 269 21| 26.3 0.0 26.3|134.4 0.0 134.4 268.8 0.97| 27.1 26.2 1000 335 29 277 23| 14.5 0.0 14.5|153.5 0.0 153.5 153.5 0.94| 15.5 14.6 1500 337 30 281 23| 9.6 0.0 9.6|164.2 0.0 164.2 109.4 0.90| 11.5 10.3 2000 340 31 284 22| 7.0 0.0 7.0|175.7 0.0 175.7 87.8 0.82| 10.1 8.3 2500 343 31 287 20| 5.4 0.0 5.4|182.5 0.0 182.5 73.0 0.76| 9.3 7.1 3000 347 30 290 19| 4.6 0.0 4.6|185.8 0.0 185.8 61.9 0.72| 8.5 6.1 4000 352 31 296 17| 3.5 0.8 4.2|188.4 0.0 188.4 47.1 0.66| 7.1 4.7 5000 354 32 301 17| 2.8 1.2 4.0|188.6 -1.5 187.1 37.4 0.59| 6.3 3.7 6000 354 34 307 18| 3.3 1.0 4.3|235.7 -1.9 233.8 39.0 0.59| 6.3 3.7 Wrote GIF file: /home/apache/climate/data/raob//EP120/skewt/EP120.skewt.20251230.11.gif