UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:1200Z 8 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 1004 96 8.0 4.4 78 3.6 6.2 270 1 280.8 281.7 279.2 295.2 5.22 1 1000 129 7.2 4.0 80 3.2 5.6 185 5 280.4 281.2 278.8 294.4 5.09 2 943 610 4.4 2.9 90 1.5 3.7 208 22 282.2 283.1 279.6 296.1 5.00 3 925 767 4.8 1.8 81 3.0 3.4 215 27 284.2 285.0 280.2 297.4 4.71 4 911 892 5.4 1.2 74 4.2 3.4 217 27 286.1 286.9 280.9 299.1 4.58 5 850 1455 1.6 -1.9 78 3.5 0.1 225 25 287.8 288.5 280.9 299.1 3.91 6 842 1531 1.0 -2.0 80 3.0 -0.3 227 25 288.0 288.7 281.0 299.2 3.92 7 828 1666 2.0 -8.0 47 10.0 -1.9 230 25 290.4 290.9 280.4 297.9 2.52 8 777 2176 -1.1 -3.4 84 2.3 -2.1 243 24 292.4 293.1 282.8 303.6 3.83 9 764 2310 -1.3 -11.3 46 10.0 -4.8 247 24 293.6 294.0 281.3 300.0 2.11 10 736 2607 -2.5 -20.5 24 18.0 -7.5 255 24 295.4 295.6 280.7 298.7 1.02 11 734 2629 -2.5 -20.5 24 18.0 -7.5 255 23 295.7 295.9 280.8 298.9 1.02 12 700 3004 -4.3 -11.3 58 7.0 -6.8 265 23 297.7 298.1 283.3 304.8 2.30 13 637 3740 -9.5 -10.7 91 1.2 -9.9 273 28 299.9 300.4 284.6 308.1 2.65 14 625 3887 -7.9 -12.2 71 4.3 -9.4 275 29 303.4 303.9 285.7 310.9 2.40 15 623 3912 -7.7 -13.7 62 6.0 -9.7 275 29 303.9 304.3 285.5 310.6 2.13 16 616 4000 -7.9 -29.9 15 22.0 -12.6 276 29 304.7 304.8 284.0 306.4 0.52 17 609 4089 -8.3 -37.3 8 29.0 -13.5 277 30 305.2 305.3 283.8 306.1 0.25 18 500 5590 -18.3 -45.3 7 27.0 -21.5 295 40 310.7 310.8 285.8 311.2 0.13 19 479 5909 -20.5 -49.5 6 29.0 -23.5 297 43 311.8 311.9 286.1 312.2 0.09 20 410 7035 -30.9 -44.9 24 14.0 -32.1 304 52 312.6 312.6 286.5 313.2 0.17 21 407 7087 -31.3 -52.3 11 21.0 -32.7 304 53 312.8 312.8 286.4 313.0 0.07 22 400 7210 -32.1 -51.1 13 19.0 -33.4 305 54 313.3 313.3 286.6 313.6 0.09 23 359 7962 -38.1 -46.1 43 8.0 -38.7 305 65 315.1 315.1 287.3 315.7 0.17 24 327 8596 -43.0 -56.4 22 13.4 -43.5 305 75 316.8 316.8 287.8 317.0 0.06 25 318 8784 -44.5 -59.5 17 15.0 -45.0 302 69 317.3 317.3 287.9 317.5 0.04 26 300 9170 -47.9 -60.9 21 13.0 -48.2 295 58 317.8 317.8 288.1 318.0 0.04 27 282 9576 -51.5 -60.5 33 9.0 -51.7 293 57 318.3 318.4 288.2 318.5 0.04 28 250 10350 -56.9 -64.9 36 8.0 -57.0 290 56 321.5 321.5 289.2 321.6 0.02 29 222 11092 -62.3 -66.1 60 3.8 -62.3 285 62 324.3 324.3 290.1 324.4 0.02 30 200 11730 -65.7 -70.7 50 5.0 -65.7 280 68 328.7 328.7 291.3 328.8 0.01 31 196 11852 -66.5 -71.5 49 5.0 -66.5 285 73 329.3 329.3 291.5 329.4 0.01 32 183 12268 -63.7 -77.7 13 14.0 -63.8 285 63 340.4 340.4 294.4 340.4 0.01 33 150 13480 -64.1 -85.1 4 21.0 -64.2 285 35 359.7 359.7 298.7 359.7 0.00 34 141 13859 -63.7 -85.7 3 22.0 -63.8 287 34 366.8 366.8 300.0 366.8 0.00 35 100 15950 -66.5 -86.5 4 20.0 -66.6 295 29 399.2 399.2 305.1 399.3 0.00 36 97 16135 -64.7 -86.7 3 22.0 -64.8 294 29 406.2 406.2 306.0 406.3 0.00 37 70 18110 -67.5 -88.5 4 21.0 -67.7 285 31 440.0 440.0 309.8 440.0 0.00 38 50 20130 -70.7 -90.7 4 20.0 -70.8 295 35 476.9 476.9 313.2 476.9 0.00 39 40 21450 -72.3 -91.3 4 19.0 -72.5 295 42 504.3 504.3 315.2 504.3 0.00 40 31 22964 -68.9 -90.9 3 22.0 -69.2 295 49 551.6 551.6 318.2 551.6 0.00 41 30 23160 -69.5 -91.5 3 22.0 -69.8 295 50 555.2 555.2 318.4 555.2 0.00 42 20 25580 -70.3 -92.3 3 22.0 -70.6 621.0 621.0 321.5 621.0 0.00 43 15 27288 -71.3 -93.3 2 22.0 -71.7 670.9 670.9 323.4 670.9 0.00 44 10 29710 -67.7 -92.7 2 25.0 -68.7 766.8 766.8 326.4 766.9 0.01 45 8.8 30485 -64.7 -90.7 2 26.0 -66.2 807.0 807.0 327.4 807.1 0.01 46 7.7 31298 -65.9 -91.9 1 26.0 -67.4 833.6 833.6 328.0 833.7 0.01 47 7.2 31710 -61.7 -89.7 1 28.0 -64.2 867.0 867.0 328.8 867.1 0.02 48 5.5 33391 -58.3 -87.3 1 29.0 -62.4 951.5 951.5 330.4 951.8 0.03 49 5.3 33623 -59.7 -87.7 1 28.0 -63.4 955.3 955.3 330.4 955.7 0.03 TRP 196 11852 -66.5 -71.5 49 5.0 -66.5 285 73 329.3 329.3 291.5 329.4 0.01 WND 327 8596 -43.0 -56.4 22 13.4 -43.5 305 75 316.8 316.8 287.8 317.0 0.06 Sounding variables and indices 1000-500 mb thick: 5461.00 m Freezing level: 795.10 mb = 1995.05 m = 6545.37 ft Wetbulb zero: 848.47 mb = 1469.48 m = 4821.08 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 49.70 % Est. max temperature: 14.88 C = 58.79 F Sfc-Lift cond lev (LCL): 950.27 mb = 546.90 m = 1794.28 ft T: 4.77 C 700-500 lapse rate: 5.41 C/km ThetaE index: 4.97 C Layer 764.0- 734.0 mb Conv cond level (CCL): 843.38 mb = 1517.96 m = 4980.12 ft Mean mixing ratio: 4.92 g/kg Conv temperature: 15.13 C = 59.23 F Cap Strength: 11.31 C Lifted Index: 13.32 C Risk: None Lifted Index @300 mb: 15.36 C Lifted Index @700 mb: 7.34 C Showalter Index: 11.33 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 16.40 C K Index: 11.00 Risk: None Sweat Index: 232.46 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.25 J/kg Max Up Vert Vel: 6.82 m/s Conv Inhibition (B-): 51572.51 J/kg Cap Strength: 13.23 C Lift Cond Lev (LCL): 914.06 mb = 864.25 m = 2835.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 21 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 1004 96 270 1 1.0 -0.0 | 118 20 -17.8 9.6 1 1000 129 185 5 0.4 5.0 | 128 23 -18.4 14.6 2 925 767 215 27 15.5 22.1 | 174 32 -3.3 31.7 3 850 1455 225 25 17.7 17.7 | 178 27 -1.1 27.3 4 700 3004 265 23 22.9 2.0 | 200 12 4.1 11.6 5 500 5590 295 40 36.3 -16.9 | 293 19 17.5 -7.3 6 400 7210 305 54 44.2 -31.0 | 310 33 25.4 -21.4 7 327 8596 305 75 61.4 -43.0 | 308 54 42.6 -33.4 8 300 9170 295 58 52.6 -24.5 | 294 37 33.8 -14.9 9 250 10350 290 56 52.6 -19.2 | 286 35 33.8 -9.5 10 200 11730 280 68 67.0 -11.8 | 273 48 48.2 -2.2 11 196 11852 285 73 70.5 -18.9 | 280 53 51.7 -9.3 12 150 13480 285 35 33.8 -9.1 | 268 15 15.0 0.6 13 100 15950 295 29 26.3 -12.3 | 289 8 7.5 -2.6 14 70 18110 285 31 29.9 -8.0 | 262 11 11.1 1.6 15 50 20130 295 35 31.7 -14.8 | 292 14 12.9 -5.2 16 30 23160 295 50 45.3 -21.1 | 293 29 26.5 -11.5 Wind Parameters Mean winds (0-6000m): 267.1 at 28.1 knts Storm direction: 297.1 at 21.1 knts Shear (0-3000m) pos: 3.8 neg: 3.5 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 84.6 deg Storm rel helicity (0-3000m) pos: 243.7 neg: 0.0 tot: 243.7 m^2/s^2 ave: 81.2 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 6.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.27 Bulk Shear: 85.22 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 ------------------------------------------------------------------------------- 500 203 12 146 25| 0.0 21.3 21.3|132.0 0.0 132.0 264.0 0.89| 22.5 20.0 1000 214 19 162 27| 3.7 10.6 14.3|192.8 0.0 192.8 192.8 0.87| 15.9 13.9 1500 217 21 167 27| 3.2 7.1 10.3|206.0 0.0 206.0 137.3 0.82| 12.0 9.9 2000 222 22 171 26| 3.5 5.3 8.9|224.2 0.0 224.2 112.1 0.78| 10.4 8.1 2500 228 22 175 25| 3.7 4.3 8.0|235.7 0.0 235.7 94.3 0.74| 9.5 7.0 3000 233 23 178 23| 3.8 3.5 7.3|243.7 0.0 243.7 81.2 0.71| 8.7 6.2 4000 244 24 187 20| 3.9 2.7 6.6|270.7 0.0 270.7 67.7 0.75| 7.7 5.7 5000 256 26 201 17| 4.1 2.1 6.2|302.8 0.0 302.8 60.6 0.77| 7.1 5.5 6000 267 28 220 14| 4.2 1.8 6.0|335.1 0.0 335.1 55.8 0.76| 6.8 5.1 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251208.12.gif