UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120323.upa.cvt Date: 2300Z 3 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 3 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 -48 180 4 SFC 992 18 7.6 4.9 83 2.7 6.2 180 4 281.4 282.3 279.8 296.5 5.47 2 986 68 8.2 4.9 80 3.3 6.5 180 7 282.5 283.4 280.3 297.8 5.51 3 964 254 6.8 4.5 85 2.3 5.6 180 18 282.9 283.8 280.5 298.1 5.48 4 950 375 6.4 2.6 77 3.8 4.6 180 24 283.7 284.5 280.1 297.3 4.85 5 925 593 4.4 1.7 83 2.7 3.1 180 37 283.8 284.6 280.0 296.9 4.67 6 883 969 1.2 0.5 95 0.7 0.9 183 36 284.3 285.1 280.0 296.9 4.49 7 850 1275 -0.5 -0.6 99 0.1 -0.6 185 36 285.6 286.4 280.4 297.8 4.30 8 848 1294 -0.5 -0.6 99 0.1 -0.6 185 36 285.8 286.6 280.5 298.1 4.31 9 700 2806 -8.7 -9.0 98 0.3 -8.8 200 25 292.9 293.3 281.8 301.1 2.76 10 599 3997 -16.5 -18.2 87 1.7 -16.9 198 29 297.2 297.4 282.1 301.9 1.52 11 552 4607 -21.1 -21.9 93 0.8 -21.2 196 31 298.7 299.0 282.4 302.5 1.20 12 500 5330 -27.1 -27.9 93 0.8 -27.2 195 33 300.0 300.1 282.4 302.5 0.77 13 479 5637 -29.9 -30.8 92 0.9 -30.0 196 32 300.2 300.4 282.3 302.3 0.61 14 476 5682 -29.5 -32.7 74 3.2 -29.9 196 32 301.3 301.4 282.6 303.0 0.51 15 464 5864 -30.9 -33.3 79 2.4 -31.2 197 32 301.7 301.8 282.8 303.4 0.50 16 462 5894 -31.1 -34.3 73 3.2 -31.4 197 32 301.9 302.0 282.7 303.4 0.45 17 461 5910 -31.1 -35.7 64 4.6 -31.6 197 32 302.1 302.1 282.7 303.4 0.39 18 456 5987 -31.5 -36.5 61 5.0 -32.0 197 31 302.5 302.6 282.9 303.8 0.37 19 400 6900 -38.9 -43.9 59 5.0 -39.2 200 29 304.4 304.5 283.4 305.1 0.19 20 391 7055 -40.1 -46.1 53 6.0 -40.4 198 30 304.9 304.9 283.5 305.4 0.16 21 372 7392 -42.7 -45.4 75 2.7 -42.8 194 32 305.8 305.8 284.0 306.4 0.18 22 359 7630 -44.7 -49.1 61 4.4 -44.9 191 33 306.2 306.2 284.1 306.7 0.12 23 346 7874 -46.9 -49.9 71 3.0 -47.0 187 34 306.5 306.5 284.1 306.9 0.12 24 330 8185 -49.5 -54.5 56 5.0 -49.6 183 36 307.1 307.1 284.3 307.4 0.07 25 321 8365 -51.1 -54.1 70 3.0 -51.2 181 37 307.3 307.3 284.4 307.6 0.08 26 314 8508 -52.3 -56.5 60 4.2 -52.4 179 37 307.6 307.6 284.5 307.8 0.06 27 310 8590 -52.9 -54.3 85 1.4 -52.9 178 38 307.9 307.9 284.6 308.2 0.08 28 303 8736 -54.1 -57.3 68 3.2 -54.2 176 39 308.2 308.2 284.7 308.4 0.05 29 300 8800 -54.7 -57.6 70 2.9 -54.8 175 39 308.2 308.3 284.7 308.4 0.05 30 296 8886 -55.5 -58.8 67 3.3 -55.6 177 41 308.3 308.3 284.7 308.5 0.05 31 293 8951 -55.1 -59.2 60 4.1 -55.2 178 43 309.8 309.8 285.3 309.9 0.04 32 284 9150 -56.5 -60.6 60 4.1 -56.6 181 49 310.5 310.5 285.5 310.7 0.04 33 263 9634 -59.9 -61.8 78 1.9 -60.0 190 63 312.4 312.4 286.2 312.5 0.04 34 262 9658 -60.1 -61.9 79 1.8 -60.1 190 62 312.5 312.5 286.2 312.6 0.04 35 258 9754 -60.7 -63.3 71 2.6 -60.7 190 59 313.0 313.0 286.4 313.1 0.03 36 250 9950 -62.1 -63.9 79 1.8 -62.1 190 53 313.7 313.7 286.7 313.9 0.03 37 249 9975 -62.3 -64.2 78 1.9 -62.3 190 51 313.8 313.8 286.7 313.9 0.03 38 239 10229 -60.5 -69.5 30 9.0 -60.6 193 46 320.2 320.2 288.8 320.3 0.01 39 205 11194 -56.1 -72.1 12 16.0 -56.3 203 26 341.5 341.5 294.7 341.6 0.01 40 200 11350 -57.1 -73.1 11 16.0 -57.3 205 23 342.3 342.3 294.9 342.4 0.01 41 186 11807 -59.1 -75.1 11 16.0 -59.3 214 25 346.3 346.3 295.8 346.3 0.01 42 150 13160 -57.5 -74.5 10 17.0 -57.8 240 31 371.0 371.0 300.8 371.1 0.01 43 142 13506 -56.1 -74.1 9 18.0 -56.4 239 31 379.3 379.3 302.2 379.4 0.01 44 126 14259 -58.7 -75.7 9 17.0 -59.0 236 30 387.8 387.8 303.5 387.9 0.01 45 119 14619 -56.5 -74.5 9 18.0 -56.9 234 29 398.2 398.2 305.0 398.3 0.01 46 106 15346 -59.7 -77.7 8 18.0 -60.0 231 28 405.6 405.6 305.9 405.6 0.01 47 100 15710 -58.5 -76.5 8 18.0 -58.8 230 28 414.7 414.7 307.1 414.8 0.01 48 78 17262 -60.3 -78.3 8 18.0 -60.6 240 23 441.5 441.5 310.0 441.6 0.01 49 70 17930 -64.1 -82.1 7 18.0 -64.3 245 21 447.3 447.3 310.6 447.3 0.01 50 69 18018 -64.5 -81.5 8 17.0 -64.7 243 21 448.2 448.2 310.7 448.3 0.01 51 50 19970 -67.9 -84.9 7 17.0 -68.1 205 10 483.5 483.5 313.7 483.5 0.01 52 47 20340 -69.3 -86.3 7 17.0 -69.5 212 13 488.8 488.8 314.1 488.8 0.00 53 44 20735 -68.1 -85.1 7 17.0 -68.3 220 16 501.0 501.0 315.0 501.0 0.01 54 34 22270 -71.3 -88.3 6 17.0 -71.5 250 27 530.9 530.9 317.0 530.9 0.00 55 32 22629 -70.1 -88.1 5 18.0 -70.4 257 30 543.4 543.4 317.7 543.4 0.01 56 30 23010 -72.9 -88.9 7 16.0 -73.0 265 33 545.9 545.9 317.9 545.9 0.00 57 29 23208 -73.9 -90.9 6 17.0 -74.0 548.5 548.5 318.0 548.5 0.00 TRP 249 9975 -62.3 -64.2 78 1.9 -62.3 190 51 313.8 313.8 286.7 313.9 0.03 WND 263 9634 -59.9 -61.8 78 1.9 -60.0 190 63 312.4 312.4 286.2 312.5 0.04 Sounding variables and indices 1000-500 mb thick: 5378.00 m Freezing level: 859.71 mb = 1185.09 m = 3888.05 ft Wetbulb zero: 862.75 mb = 1155.46 m = 3790.85 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 92.73 % Est. max temperature: 12.27 C = 54.09 F Sfc-Lift cond lev (LCL): 951.87 mb = 358.53 m = 1176.27 ft T: 6.45 C 700-500 lapse rate: 7.29 C/km ThetaE index: 1.19 C Layer 950.0- 883.0 mb Conv cond level (CCL): 893.66 mb = 872.09 m = 2861.16 ft Mean mixing ratio: 4.96 g/kg Conv temperature: 10.37 C = 50.66 F Cap Strength: 3.67 C Lifted Index: 3.76 C Risk: None Lifted Index @300 mb: 7.86 C Lifted Index @700 mb: 2.30 C Showalter Index: 3.41 C Risk: None Total Totals Index: 53.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 26.50 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 187.00 Risk: None Energy Index: 0.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.08 J/kg Max Up Vert Vel: 4.02 m/s Conv Inhibition (B-): 34004.65 J/kg Cap Strength: 3.76 C Lift Cond Lev (LCL): 903.43 mb = 784.06 m = 2572.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 222 at 22 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 ---------------------------------------------------------- 0 992 18 180 4 0.0 4.0 | 50 20 -15.1 -12.5 1 925 593 180 37 0.0 37.0 | 144 25 -15.1 20.5 2 850 1275 185 36 3.1 35.9 | 148 23 -12.0 19.4 3 700 2806 200 25 8.6 23.5 | 137 10 -6.5 7.0 4 500 5330 195 33 8.5 31.9 | 157 17 -6.5 15.4 5 400 6900 200 29 9.9 27.3 | 154 12 -5.2 10.8 6 300 8800 175 39 -3.4 38.9 | 140 29 -18.5 22.4 7 263 9634 190 63 10.9 62.0 | 175 46 -4.1 45.6 8 250 9950 190 53 9.2 52.2 | 171 36 -5.9 35.7 9 249 9975 190 51 8.9 50.2 | 170 34 -6.2 33.7 10 200 11350 205 23 9.7 20.8 | 129 7 -5.4 4.4 11 150 13160 240 31 26.8 15.5 | 275 12 11.8 -1.0 12 100 15710 230 28 21.4 18.0 | 257 7 6.4 1.5 13 70 17930 245 21 19.0 8.9 | 333 9 3.9 -7.6 14 50 19970 205 10 4.2 9.1 | 56 13 -10.9 -7.4 15 30 23010 265 33 32.9 2.9 | 307 22 17.8 -13.6 Wind Parameters Mean winds (0-6000m): 192.5 at 29.8 knts Storm direction: 222.5 at 22.3 knts Shear (0-3000m) pos: 2.1 neg: 4.9 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 89.5 deg Storm rel helicity (0-3000m) pos: 145.9 neg: -8.3 tot: 137.6 m^2/s^2 ave: 45.9 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 20.95 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 ------------------------------------------------------------------------------- 500 180 18 97 15| 0.0 29.5 29.5|114.6 0.0 114.6 229.2 0.89| 29.7 26.5 1000 181 27 127 18| 2.1 14.8 16.9|139.7 0.0 139.7 139.7 0.85| 18.0 15.3 1500 182 30 135 19| 1.6 9.8 11.4|144.6 0.0 144.6 96.4 0.79| 13.2 10.5 2000 184 31 138 19| 1.8 7.4 9.2|144.6 -1.4 143.2 71.6 0.70| 11.1 7.8 2500 186 30 139 18| 2.2 5.9 8.1|144.6 -5.3 139.3 55.7 0.61| 9.8 6.0 3000 188 30 139 17| 2.1 4.9 7.0|145.9 -8.3 137.6 45.9 0.56| 8.7 4.9 4000 190 29 141 16| 1.6 4.1 5.7|151.7 -8.3 143.4 35.9 0.57| 6.9 3.9 5000 192 29 143 15| 1.2 3.6 4.9|157.0 -8.3 148.7 29.7 0.56| 5.9 3.3 6000 192 30 146 15| 1.2 3.1 4.2|158.5 -8.9 149.6 24.9 0.53| 5.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251203.23.gif