UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120123.upa.cvt Date: 2300Z 1 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 1 DEC 25 Station: EG918 WMO ident: 3918 Latitude: 54.50 Longitude: -6.34 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -102 SFC 985 21 4.6 4.0 96 0.6 4.3 255 1 279.0 279.8 278.2 293.1 5.17 2 982 46 5.2 3.8 91 1.4 4.5 255 2 279.8 280.7 278.6 293.9 5.12 3 958 248 4.6 3.2 91 1.4 3.9 253 13 281.2 282.0 279.1 295.1 5.03 4 957 257 4.6 3.0 89 1.6 3.8 253 13 281.3 282.1 279.1 295.0 4.96 5 953 291 4.6 2.8 88 1.8 3.8 252 15 281.6 282.4 279.2 295.2 4.91 6 949 326 6.0 2.0 75 4.0 4.1 252 17 283.4 284.2 279.7 296.4 4.65 7 925 535 4.4 0.9 78 3.5 2.8 250 28 283.8 284.6 279.6 296.2 4.41 8 850 1218 -0.9 -3.4 83 2.5 -1.9 255 27 285.2 285.8 279.1 295.2 3.50 9 820 1503 -3.3 -5.4 85 2.1 -4.1 253 27 285.6 286.2 278.9 294.6 3.11 10 818 1523 -3.1 -6.5 77 3.4 -4.4 253 27 286.0 286.5 278.7 294.3 2.87 11 814 1561 -3.5 -5.3 87 1.8 -4.2 253 27 286.0 286.5 279.1 295.1 3.16 12 806 1640 -3.7 -6.0 84 2.3 -4.6 252 27 286.6 287.1 279.3 295.3 3.03 13 802 1679 -3.9 -8.8 69 4.9 -5.6 252 27 286.8 287.2 278.6 293.9 2.45 14 795 1748 -4.3 -10.3 63 6.0 -6.3 252 27 287.1 287.5 278.4 293.5 2.19 15 791 1788 -4.5 -10.5 63 6.0 -6.5 251 27 287.3 287.7 278.4 293.7 2.17 16 758 2122 -6.9 -14.9 53 8.0 -9.2 249 27 288.2 288.5 278.1 293.0 1.58 17 754 2163 -7.3 -14.3 57 7.0 -9.4 249 27 288.2 288.5 278.2 293.2 1.67 18 745 2256 -7.5 -15.5 53 8.0 -9.8 248 27 289.0 289.3 278.4 293.6 1.53 19 743 2277 -7.7 -13.7 62 6.0 -9.5 248 27 289.0 289.3 278.8 294.3 1.78 20 742 2288 -7.9 -11.5 75 3.6 -9.1 248 27 288.9 289.3 279.2 295.2 2.14 21 741 2298 -7.9 -11.5 75 3.6 -9.1 248 27 289.0 289.4 279.3 295.3 2.14 22 738 2330 -7.7 -17.7 45 10.0 -10.4 248 27 289.5 289.8 278.4 293.5 1.29 23 735 2361 -7.9 -15.9 53 8.0 -10.2 248 27 289.7 289.9 278.7 294.2 1.50 24 723 2489 -8.7 -18.7 44 10.0 -11.3 247 27 290.2 290.4 278.6 293.9 1.21 25 721 2511 -8.7 -20.7 37 12.0 -11.6 247 27 290.4 290.6 278.4 293.5 1.02 26 715 2575 -9.3 -16.3 57 7.0 -11.2 246 27 290.4 290.7 279.1 295.0 1.50 27 700 2739 -10.3 -19.3 48 9.0 -12.6 245 27 291.1 291.3 279.0 294.7 1.18 28 680 2961 -11.7 -20.7 47 9.0 -13.9 245 27 291.9 292.1 279.2 295.3 1.08 29 672 3051 -12.7 -17.7 66 5.0 -14.0 245 27 291.8 292.1 279.6 296.1 1.41 30 657 3223 -13.7 -23.7 43 10.0 -15.8 245 27 292.6 292.7 279.2 295.3 0.86 31 649 3316 -14.5 -21.5 55 7.0 -16.1 245 27 292.7 292.9 279.6 296.0 1.06 32 620 3660 -17.3 -27.3 41 10.0 -19.1 245 27 293.3 293.5 279.3 295.4 0.66 33 604 3855 -19.1 -27.1 49 8.0 -20.5 245 27 293.5 293.6 279.4 295.7 0.69 34 600 3904 -19.5 -30.5 37 11.0 -21.2 245 27 293.6 293.6 279.1 295.2 0.50 35 585 4091 -21.1 -27.1 58 6.0 -22.1 245 26 293.8 293.9 279.6 296.1 0.71 36 576 4205 -21.7 -29.7 48 8.0 -22.9 245 26 294.4 294.5 279.7 296.3 0.57 37 572 4257 -22.3 -29.3 53 7.0 -23.4 245 26 294.3 294.4 279.6 296.2 0.59 38 539 4690 -25.3 -36.3 35 11.0 -26.6 245 26 295.8 295.8 279.9 296.8 0.32 39 512 5060 -28.1 -36.1 46 8.0 -29.0 245 26 296.8 296.8 280.4 297.9 0.34 40 510 5088 -28.1 -38.1 38 10.0 -29.1 245 26 297.1 297.1 280.5 298.0 0.28 41 500 5230 -29.1 -39.1 37 10.0 -30.0 245 26 297.6 297.6 280.7 298.4 0.26 42 487 5418 -30.7 -39.7 41 9.0 -31.5 241 27 297.8 297.9 280.8 298.7 0.25 43 465 5745 -33.1 -44.1 32 11.0 -33.9 235 29 298.8 298.9 281.1 299.4 0.16 44 453 5928 -34.7 -43.7 40 9.0 -35.3 232 30 299.1 299.1 281.2 299.7 0.18 45 446 6037 -35.1 -45.1 35 10.0 -35.8 230 31 299.9 299.9 281.5 300.4 0.15 46 409 6637 -38.5 -60.5 8 22.0 -39.2 218 34 303.0 303.0 282.7 303.1 0.03 47 400 6790 -39.5 -61.5 8 22.0 -40.2 215 35 303.7 303.7 282.9 303.7 0.02 48 336 7964 -48.1 -65.1 12 17.0 -48.4 209 40 307.4 307.4 284.4 307.5 0.02 49 303 8645 -49.7 -68.7 9 19.0 -50.0 205 43 314.4 314.4 286.9 314.5 0.01 50 300 8710 -49.7 -69.7 8 20.0 -50.0 205 43 315.3 315.3 287.2 315.3 0.01 51 266 9490 -52.5 -74.5 5 22.0 -52.8 200 45 322.2 322.2 289.5 322.3 0.01 52 250 9890 -52.3 -74.3 5 22.0 -52.6 200 45 328.3 328.3 291.2 328.3 0.01 53 244 10046 -53.3 -74.3 6 21.0 -53.6 201 45 329.1 329.1 291.5 329.1 0.01 54 239 10180 -51.5 -76.5 3 25.0 -51.8 201 44 333.8 333.8 292.7 333.8 0.00 55 203 11234 -52.7 -79.7 2 27.0 -53.1 205 42 347.8 347.8 296.1 347.8 0.00 56 200 11330 -52.5 -80.5 2 28.0 -52.9 205 42 349.6 349.6 296.5 349.6 0.00 57 150 13190 -54.5 -82.5 2 28.0 -54.9 215 32 376.2 376.2 301.6 376.2 0.00 58 100 15790 -55.9 -84.9 1 29.0 -56.4 220 28 419.7 419.7 307.7 419.7 0.00 59 84 16891 -59.5 -86.5 2 27.0 -59.9 222 28 433.9 433.9 309.3 433.9 0.00 60 70 18030 -60.7 -87.7 2 27.0 -61.1 225 29 454.5 454.5 311.3 454.5 0.00 61 63 18687 -59.7 -87.7 1 28.0 -60.2 236 27 470.6 470.6 312.7 470.6 0.00 62 56 19416 -63.9 -88.9 2 25.0 -64.2 248 24 477.2 477.2 313.2 477.2 0.00 63 52 19869 -64.3 -89.3 2 25.0 -64.6 256 23 486.5 486.5 314.0 486.5 0.00 64 50 20110 -62.3 -88.3 2 26.0 -62.7 260 22 496.7 496.7 314.7 496.7 0.00 65 49 20235 -61.7 -88.7 2 27.0 -62.2 260 23 501.0 501.0 315.0 501.0 0.00 66 37 21942 -68.9 -90.9 3 22.0 -69.1 257 30 524.4 524.4 316.6 524.4 0.00 67 30 23190 -70.5 -91.5 3 21.0 -70.8 255 35 552.4 552.4 318.2 552.5 0.00 68 26 24037 -71.5 -92.5 3 21.0 -71.8 251 40 572.7 572.7 319.3 572.7 0.00 69 24 24511 -70.5 -91.5 3 21.0 -70.8 249 43 588.9 588.9 320.1 588.9 0.00 70 20 25580 -75.5 -93.5 4 18.0 -75.7 245 50 605.1 605.1 320.8 605.1 0.00 71 19 25876 -76.9 -93.9 5 17.0 -77.0 609.7 609.7 321.0 609.7 0.00 72 14 27621 -79.3 -95.3 5 16.0 -79.4 657.2 657.2 323.0 657.2 0.00 73 12 28496 -79.3 -95.3 5 16.0 -79.4 686.8 686.8 324.0 686.8 0.00 TRP 266 9490 -52.5 -74.5 5 22.0 -52.8 200 45 322.2 322.2 289.5 322.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5332.00 m Freezing level: 862.74 mb = 1102.02 m = 3615.50 ft Wetbulb zero: 880.62 mb = 932.13 m = 3058.14 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 59.05 % Est. max temperature: 11.03 C = 51.85 F Sfc-Lift cond lev (LCL): 975.92 mb = 97.00 m = 318.22 ft T: 5.05 C 700-500 lapse rate: 7.55 C/km ThetaE index: 2.08 C Layer 925.0- 814.0 mb Conv cond level (CCL): 868.46 mb = 1044.49 m = 3426.75 ft Mean mixing ratio: 4.55 g/kg Conv temperature: 10.48 C = 50.86 F Cap Strength: 2.76 C Lifted Index: 2.99 C Risk: None Lifted Index @300 mb: 14.03 C Lifted Index @700 mb: 1.75 C Showalter Index: 3.28 C Risk: None Total Totals Index: 53.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 25.70 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 178.00 Risk: None Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.28 J/kg Max Up Vert Vel: 6.67 m/s Conv Inhibition (B-): 52290.32 J/kg Cap Strength: 2.90 C Lift Cond Lev (LCL): 894.92 mb = 802.07 m = 2631.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 20 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 ---------------------------------------------------------- 0 985 21 255 1 1.0 0.3 | 97 19 -18.4 2.4 1 925 535 250 28 26.3 9.6 | 211 14 6.9 11.7 2 850 1218 255 27 26.1 7.0 | 216 11 6.7 9.1 3 700 2739 245 27 24.5 11.4 | 201 14 5.1 13.5 4 500 5230 245 26 23.6 11.0 | 198 14 4.2 13.1 5 400 6790 215 35 20.1 28.7 | 181 31 0.7 30.8 6 300 8710 205 43 18.2 39.0 | 178 41 -1.2 41.1 7 266 9490 200 45 15.4 42.3 | 175 45 -4.0 44.4 8 250 9890 200 45 15.4 42.3 | 175 45 -4.0 44.4 9 200 11330 205 42 17.7 38.1 | 178 40 -1.6 40.2 10 150 13190 215 32 18.4 26.2 | 178 28 -1.0 28.3 11 100 15790 220 28 18.0 21.4 | 177 24 -1.4 23.5 12 70 18030 225 29 20.5 20.5 | 183 23 1.1 22.6 13 50 20110 260 22 21.7 3.8 | 201 6 2.3 5.9 14 30 23190 255 35 33.8 9.1 | 232 18 14.4 11.2 15 20 25580 245 50 45.3 21.1 | 228 35 25.9 23.2 Wind Parameters Mean winds (0-6000m): 246.2 at 26.0 knts Storm direction: 276.2 at 19.5 knts Shear (0-3000m) pos: 0.3 neg: 4.5 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 103.0 deg Storm rel helicity (0-3000m) pos: 59.8 neg: -12.1 tot: 47.6 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.18 Bulk Shear: 18.92 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 ------------------------------------------------------------------------------- 500 250 14 138 9| 0.0 27.0 27.0| 54.3 0.0 54.3 108.7 0.75| 27.4 20.6 1000 251 21 182 9| 0.8 13.5 14.4| 58.7 0.0 58.7 58.7 0.74| 14.8 11.0 1500 252 23 195 9| 0.6 8.9 9.5| 59.8 -2.2 57.6 38.4 0.69| 10.4 7.2 2000 252 24 200 10| 0.4 6.7 7.1| 59.8 -6.0 53.8 26.9 0.62| 8.2 5.1 2500 251 25 201 11| 0.3 5.4 5.7| 59.8 -10.0 49.8 19.9 0.56| 6.9 3.8 3000 250 25 201 11| 0.3 4.5 4.8| 59.8 -12.1 47.6 15.9 0.53| 5.9 3.1 4000 249 25 201 12| 0.2 3.3 3.5| 59.8 -13.2 46.6 11.6 0.51| 4.5 2.3 5000 248 26 200 13| 0.2 2.6 2.8| 59.8 -14.3 45.5 9.1 0.50| 3.6 1.8 6000 246 26 199 13| 0.1 2.6 2.7| 59.8 -26.1 33.7 5.6 0.34| 3.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251201.23.gif