UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120809.upa.cvt Date: 0900Z 8 DEC 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0900Z 8 DEC 25 Station: EG743 WMO ident: 3743 Latitude: 51.20 Longitude: -1.80 ------------------------------------------------------------------------------- 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 66 210 8 SFC 992 133 11.6 10.4 92 1.2 10.9 210 8 285.4 286.8 284.4 307.6 8.00 2 925 716 8.8 4.0 72 4.8 6.3 235 34 288.3 289.3 283.0 304.0 5.51 3 850 1410 4.4 0.5 76 3.9 2.5 240 37 290.8 291.6 283.1 304.2 4.67 4 700 2958 -5.9 -5.9 100 0.0 -5.9 245 50 296.0 296.6 284.0 306.4 3.51 5 500 5520 -21.1 -31.1 40 10.0 -22.8 245 64 307.3 307.4 285.0 309.3 0.57 6 400 7130 -33.7 -39.7 55 6.0 -34.3 250 94 311.2 311.2 286.1 312.3 0.30 7 300 9080 -49.7 -53.7 63 4.0 -49.8 240 106 315.3 315.3 287.3 315.6 0.09 8 250 10240 -59.7 -63.4 62 3.7 -59.7 245 114 317.3 317.3 287.9 317.4 0.03 9 242 10444 -61.0 -64.5 64 3.4 -61.1 250 118 318.3 318.3 288.2 318.4 0.03 10 238 10547 -61.7 -65.0 65 3.3 -61.7 250 116 318.8 318.8 288.4 318.9 0.03 11 200 11630 -61.1 -78.1 9 17.0 -61.2 250 80 336.0 336.0 293.3 336.0 0.00 12 150 13440 -58.5 -83.5 3 25.0 -58.7 245 56 369.3 369.3 300.4 369.3 0.00 TRP 238 10547 -61.7 -65.0 65 3.3 -61.7 250 116 318.8 318.8 288.4 318.9 0.03 WND 242 10444 -61.0 -64.5 64 3.4 -61.1 250 118 318.3 318.3 288.2 318.4 0.03 Sounding variables and indices 1000-500 mb thick: 5454.00 m Freezing level: 785.92 mb = 2071.28 m = 6795.46 ft Wetbulb zero: 804.86 mb = 1845.10 m = 6053.41 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 76.81 % Est. max temperature: 17.20 C = 62.96 F Sfc-Lift cond lev (LCL): 974.35 mb = 282.90 m = 928.13 ft T: 10.88 C 700-500 lapse rate: 5.93 C/km ThetaE index: 3.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 854.54 mb = 1366.27 m = 4482.46 ft Mean mixing ratio: 6.27 g/kg Conv temperature: 16.78 C = 62.21 F Cap Strength: 1.71 C Lifted Index: 4.31 C Risk: None Lifted Index @300 mb: 7.29 C Lifted Index @700 mb: 0.64 C Showalter Index: 4.95 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 21.60 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 179.89 Risk: None Energy Index: 1.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.77 J/kg Max Up Vert Vel: 5.25 m/s Conv Inhibition (B-): 4476.30 J/kg Cap Strength: 4.21 C Lift Cond Lev (LCL): 894.13 mb = 994.56 m = 3262.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 37 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 ---------------------------------------------------------- 0 992 133 210 8 4.0 6.9 | 106 34 -32.8 9.2 1 925 716 235 34 27.9 19.5 | 158 24 -9.0 21.8 2 850 1410 240 37 32.0 18.5 | 167 21 -4.8 20.8 3 700 2958 245 50 45.3 21.1 | 200 25 8.5 23.4 4 500 5520 245 64 58.0 27.0 | 216 36 21.2 29.3 5 400 7130 250 94 88.3 32.1 | 236 62 51.5 34.4 6 300 9080 240 106 91.8 53.0 | 225 78 55.0 55.3 7 250 10240 245 114 103.3 48.2 | 233 83 66.5 50.4 8 242 10444 250 118 110.9 40.4 | 240 85 74.0 42.6 9 238 10547 250 116 109.0 39.7 | 240 83 72.2 41.9 10 200 11630 250 80 75.2 27.4 | 232 48 38.3 29.6 11 150 13440 245 56 50.8 23.7 | 208 29 13.9 25.9 Wind Parameters Mean winds (0-6000m): 243.5 at 49.2 knts Storm direction: 273.5 at 36.9 knts Shear (0-3000m) pos: 7.7 neg: 0.0 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 297.5 neg: 0.0 tot: 297.5 m^2/s^2 ave: 99.2 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 7.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.11 Bulk Shear: 127.58 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 ------------------------------------------------------------------------------- 500 229 19 123 27| 23.7 0.0 23.7|168.2 0.0 168.2 336.4 0.92| 24.2 22.3 1000 234 27 140 24| 14.9 0.0 14.9|206.7 0.0 206.7 206.7 0.92| 15.6 14.3 1500 236 30 148 22| 11.1 0.0 11.1|226.3 0.0 226.3 150.9 0.92| 11.7 10.7 2000 238 33 156 22| 9.4 0.0 9.4|251.0 0.0 251.0 125.5 0.93| 9.9 9.1 2500 239 35 163 21| 8.4 0.0 8.4|276.2 0.0 276.2 110.5 0.93| 8.8 8.2 3000 241 38 169 21| 7.7 0.0 7.7|297.5 0.0 297.5 99.2 0.92| 8.0 7.4 4000 242 42 180 22| 5.7 0.7 6.4|323.0 0.0 323.0 80.7 0.89| 6.7 6.0 5000 243 45 189 23| 4.6 1.1 5.7|348.5 0.0 348.5 69.7 0.86| 5.9 5.1 6000 244 49 197 25| 5.0 0.9 5.9|432.7 0.0 432.7 72.1 0.81| 6.1 4.9 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251208.09.gif