UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:1200Z 1 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 1007 99 0.6 0.5 99 0.1 0.5 240 3 273.2 273.9 273.3 283.8 3.93 1 1000 155 0.0 0.0 100 0.0 0.0 245 3 273.1 273.8 273.2 283.5 3.82 2 978 333 -0.9 -0.9 100 0.0 -0.9 269 7 274.0 274.6 273.4 283.9 3.66 3 964 449 1.6 1.6 100 0.0 1.6 285 10 277.6 278.4 276.6 289.8 4.45 4 945 610 2.0 2.0 100 0.0 2.0 307 13 279.6 280.4 277.9 292.5 4.67 5 925 783 2.2 2.2 100 0.0 2.2 330 17 281.6 282.4 279.1 295.0 4.85 6 885 1141 2.6 2.6 100 0.0 2.6 312 13 285.6 286.5 281.4 300.2 5.21 7 850 1466 0.6 0.6 100 0.0 0.6 295 9 286.8 287.6 281.4 300.1 4.70 8 755 2411 -3.7 -6.0 84 2.3 -4.6 274 11 292.0 292.6 282.0 301.5 3.23 9 737 2602 -3.9 -17.9 33 14.0 -7.9 269 12 293.8 294.0 280.3 297.7 1.27 10 717 2819 -5.7 -7.0 91 1.3 -6.2 264 13 294.1 294.7 282.8 303.5 3.15 11 705 2951 -6.7 -7.3 95 0.6 -7.0 261 13 294.5 295.0 282.9 303.8 3.13 12 700 3007 -6.9 -7.7 94 0.8 -7.2 260 13 294.8 295.4 283.0 304.0 3.06 13 666 3394 -8.3 -11.6 77 3.3 -9.4 256 14 297.5 297.9 283.3 304.7 2.36 14 574 4528 -17.1 -19.1 84 2.0 -17.6 245 15 300.1 300.4 283.3 304.8 1.47 15 562 4687 -17.7 -26.7 45 9.0 -19.5 244 16 301.2 301.4 282.9 303.7 0.77 16 551 4834 -18.7 -28.7 41 10.0 -20.5 242 16 301.7 301.9 283.0 303.9 0.65 17 517 5305 -22.5 -24.8 81 2.3 -22.9 237 17 302.7 302.9 283.8 305.9 0.99 18 500 5550 -24.3 -27.6 74 3.3 -24.9 235 17 303.4 303.6 283.8 306.0 0.79 19 449 6326 -29.3 -33.2 69 3.9 -29.8 228 24 306.6 306.7 284.7 308.4 0.52 20 400 7140 -36.1 -40.2 66 4.1 -36.4 220 31 308.1 308.1 284.9 309.1 0.29 21 370 7676 -40.7 -43.6 74 2.9 -40.9 217 32 308.9 308.9 285.2 309.7 0.22 22 347 8110 -44.1 -49.1 57 5.0 -44.3 215 32 310.0 310.0 285.5 310.5 0.13 23 340 8246 -44.7 -56.7 25 12.0 -45.1 214 32 311.0 311.0 285.8 311.2 0.05 24 300 9070 -52.1 -60.1 38 8.0 -52.2 210 33 311.9 311.9 286.1 312.1 0.04 25 287 9354 -54.7 -62.7 37 8.0 -54.8 211 34 312.2 312.2 286.1 312.3 0.03 26 285 9398 -55.3 -62.3 41 7.0 -55.4 211 34 311.9 311.9 286.1 312.1 0.03 27 279 9533 -56.3 -60.7 58 4.4 -56.3 212 34 312.4 312.4 286.2 312.6 0.04 28 253 10146 -60.1 -68.1 34 8.0 -60.2 215 36 315.6 315.6 287.3 315.7 0.02 29 250 10220 -59.5 -68.5 30 9.0 -59.6 215 36 317.6 317.6 288.0 317.7 0.02 30 243 10398 -60.9 -68.9 34 8.0 -61.0 225 29 318.1 318.1 288.1 318.2 0.01 31 216 11136 -59.5 -76.5 9 17.0 -59.6 249 24 331.2 331.2 292.0 331.2 0.01 32 200 11620 -59.7 -79.7 6 20.0 -59.9 265 21 338.2 338.2 293.9 338.2 0.00 33 174 12490 -57.1 -81.1 3 24.0 -57.3 263 19 356.3 356.3 298.0 356.3 0.00 34 150 13420 -59.1 -82.1 4 23.0 -59.3 260 17 368.3 368.3 300.2 368.3 0.00 35 100 15960 -60.9 -84.9 3 24.0 -61.2 240 27 410.1 410.1 306.5 410.1 0.00 36 70 18160 -64.1 -87.1 3 23.0 -64.3 260 15 447.3 447.3 310.6 447.3 0.00 37 56 19521 -65.7 -88.7 3 23.0 -66.0 277 11 473.1 473.1 312.9 473.1 0.00 38 50 20210 -65.3 -88.3 3 23.0 -65.6 285 9 489.6 489.6 314.2 489.6 0.00 39 39 21724 -63.5 -88.5 2 25.0 -64.0 270 18 530.2 530.2 316.9 530.2 0.00 40 32 22923 -67.7 -90.7 2 23.0 -68.0 259 25 549.8 549.8 318.1 549.9 0.00 41 30 23310 -68.1 -91.1 2 23.0 -68.4 255 27 559.0 559.0 318.6 559.0 0.00 42 20 25740 -69.1 -91.1 3 22.0 -69.5 624.7 624.7 321.7 624.7 0.00 43 16 27065 -71.7 -92.7 3 21.0 -72.1 657.3 657.3 323.0 657.4 0.00 44 16 27065 -70.5 -92.5 3 22.0 -70.9 661.3 661.3 323.1 661.3 0.00 TRP 243 10398 -60.9 -68.9 34 8.0 -61.0 225 29 318.1 318.1 288.1 318.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: 1000.00 mb = 155.00 m = 508.52 ft Freezing level: 972.96 mb = 375.00 m = 1230.31 ft Freezing level: 836.74 mb = 1597.92 m = 5242.45 ft Wetbulb zero: 999.54 mb = 158.72 m = 520.72 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 83.11 % Est. max temperature: 13.95 C = 57.11 F Sfc-Lift cond lev (LCL): 1005.26 mb = 113.01 m = 370.76 ft T: 0.45 C 700-500 lapse rate: 6.84 C/km ThetaE index: 3.79 C Layer 737.0- 717.0 mb Conv cond level (CCL): 1000.00 mb = 155.00 m = 508.52 ft Mean mixing ratio: 4.38 g/kg Conv temperature: 2.43 C = 36.37 F Cap Strength: 11.67 C Lifted Index: 11.98 C Risk: None Lifted Index @300 mb: 15.61 C Lifted Index @700 mb: 8.75 C Showalter Index: 4.57 C Risk: None Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.90 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 58.20 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.02 J/kg Max Up Vert Vel: 9.59 m/s Conv Inhibition (B-): 53037.86 J/kg Cap Strength: 11.86 C Lift Cond Lev (LCL): 956.31 mb = 513.87 m = 1685.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 1007 99 240 3 2.6 1.5 | 126 9 -6.9 5.1 1 1000 155 245 3 2.7 1.3 | 126 8 -6.8 4.9 2 925 783 330 17 8.5 -14.7 | 5 11 -1.0 -11.1 3 850 1466 295 9 8.2 -3.8 | 82 1 -1.4 -0.2 4 700 3007 260 13 12.8 2.3 | 209 7 3.3 5.9 5 500 5550 235 17 13.9 9.8 | 198 14 4.4 13.4 6 400 7140 220 31 19.9 23.7 | 201 29 10.4 27.4 7 300 9070 210 33 16.5 28.6 | 192 33 7.0 32.2 8 250 10220 215 36 20.6 29.5 | 199 35 11.1 33.1 9 243 10398 225 29 20.5 20.5 | 204 27 11.0 24.1 10 200 11620 265 21 20.9 1.8 | 244 13 11.4 5.4 11 150 13420 260 17 16.7 3.0 | 228 10 7.2 6.6 12 100 15960 240 27 23.4 13.5 | 219 22 13.9 17.1 13 70 18160 260 15 14.8 2.6 | 220 8 5.3 6.2 14 50 20210 285 9 8.7 -2.3 | 147 2 -0.8 1.3 15 30 23310 255 27 26.1 7.0 | 237 20 16.6 10.6 Wind Parameters Mean winds (0-6000m): 260.8 at 13.6 knts Storm direction: 290.8 at 10.2 knts Shear (0-3000m) pos: 2.2 neg: 2.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 82.6 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -2.6 tot: 8.7 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.09 Bulk Shear: 9.03 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 ------------------------------------------------------------------------------- 500 293 7 106 3| 12.3 0.0 12.3| 4.6 0.0 4.6 9.3 0.56| 15.5 8.7 1000 320 11 25 6| 6.6 0.0 6.6| 9.5 -2.0 7.5 7.5 0.37| 14.3 5.2 1500 316 11 23 5| 4.4 2.0 6.4| 10.9 -2.0 8.9 5.9 0.38| 11.7 4.5 2000 309 11 20 3| 3.3 1.9 5.2| 11.2 -2.0 9.2 4.6 0.40| 9.4 3.8 2500 301 11 6 2| 2.6 2.0 4.6| 11.3 -2.0 9.3 3.7 0.38| 8.0 3.0 3000 293 11 316 1| 2.2 2.1 4.3| 11.3 -2.6 8.7 2.9 0.35| 7.1 2.5 4000 281 12 237 2| 1.6 1.9 3.6| 11.3 -3.8 7.6 1.9 0.31| 5.7 1.8 5000 270 13 221 5| 1.3 1.9 3.2| 11.3 -6.7 4.6 0.9 0.27| 4.9 1.3 6000 261 14 214 7| 1.1 2.1 3.2| 15.5 -8.5 7.0 1.2 0.25| 4.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251201.12.gif