UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120309.upa.cvt Date: 0900Z 3 DEC 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0900Z 3 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 73 200 2 SFC 993 131 4.4 4.1 98 0.3 4.2 200 2 278.1 279.0 277.7 292.2 5.17 2 925 711 4.0 1.4 83 2.6 2.8 215 17 283.4 284.2 279.7 296.2 4.57 3 850 1392 -1.3 -2.3 93 1.0 -1.7 225 16 284.8 285.4 279.3 295.6 3.80 4 700 2911 -11.5 -18.5 56 7.0 -13.3 225 16 289.7 290.0 278.4 293.6 1.27 5 500 5390 -31.3 -40.3 41 9.0 -32.0 270 17 294.9 294.9 279.4 295.6 0.23 6 400 6940 -39.7 -64.7 5 25.0 -40.4 250 19 303.4 303.4 282.8 303.5 0.02 7 300 8870 -48.1 -72.1 5 24.0 -48.5 315 33 317.6 317.6 287.9 317.6 0.01 8 250 10050 -53.3 -76.3 4 23.0 -53.6 315 24 326.8 326.8 290.8 326.8 0.00 9 200 11470 -55.1 -81.1 3 26.0 -55.4 275 23 345.5 345.5 295.6 345.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5317.00 m Freezing level: 868.40 mb = 1224.96 m = 4018.86 ft Wetbulb zero: 878.89 mb = 1122.80 m = 3683.68 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 65.04 % Est. max temperature: 11.28 C = 52.30 F Sfc-Lift cond lev (LCL): 988.35 mb = 168.95 m = 554.30 ft T: 4.37 C 700-500 lapse rate: 7.99 C/km ThetaE index: 2.60 C Layer 850.0- 500.0 mb Conv cond level (CCL): 884.42 mb = 1072.27 m = 3517.90 ft Mean mixing ratio: 4.72 g/kg Conv temperature: 10.42 C = 50.76 F Cap Strength: 1.77 C Lifted Index: 1.35 C Risk: Showers probable Lifted Index @300 mb: 16.16 C Lifted Index @700 mb: 1.02 C Showalter Index: 0.79 C Risk: Thunderstorms probable Total Totals Index: 59.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.00 C Cross Totals Index: 29.00 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 362.39 Risk: Showers and thunderstorms possible Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.30 J/kg Max Up Vert Vel: 6.37 m/s Conv Inhibition (B-): 3787.34 J/kg Cap Strength: 1.77 C Lift Cond Lev (LCL): 917.03 mb = 780.66 m = 2561.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 12 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 ---------------------------------------------------------- 0 993 131 200 2 0.7 1.9 | 99 11 -11.2 1.8 1 925 711 215 17 9.8 13.9 | 171 14 -2.2 13.8 2 850 1392 225 16 11.3 11.3 | 177 11 -0.6 11.2 3 700 2911 225 16 11.3 11.3 | 177 11 -0.6 11.2 4 500 5390 270 17 17.0 -0.0 | 271 5 5.1 -0.1 5 400 6940 250 19 17.9 6.5 | 223 9 6.0 6.4 6 300 8870 315 33 23.3 -23.3 | 334 26 11.4 -23.4 7 250 10050 315 24 17.0 -17.0 | 343 18 5.1 -17.1 8 200 11470 275 23 22.9 -2.0 | 281 11 11.0 -2.1 Wind Parameters Mean winds (0-6000m): 239.5 at 15.9 knts Storm direction: 269.5 at 11.9 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 51.7 neg: 0.0 tot: 51.7 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.85 Bulk Shear: 10.98 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 ------------------------------------------------------------------------------- 500 213 8 134 10| 13.4 0.0 13.4| 38.3 0.0 38.3 76.5 0.97| 13.5 13.1 1000 216 13 156 11| 7.5 0.0 7.5| 47.9 0.0 47.9 47.9 0.91| 8.8 8.0 1500 219 14 163 11| 4.9 0.0 4.9| 49.3 0.0 49.3 32.9 0.88| 6.3 5.5 2000 221 14 166 11| 3.7 0.0 3.7| 49.3 0.0 49.3 24.7 0.88| 4.7 4.1 2500 222 15 169 11| 2.9 0.0 2.9| 49.3 0.0 49.3 19.7 0.88| 3.8 3.3 3000 222 15 170 11| 2.5 0.0 2.5| 51.7 0.0 51.7 17.2 0.87| 3.3 2.9 4000 227 15 175 10| 2.0 0.0 2.0| 60.7 0.0 60.7 15.2 0.84| 3.2 2.7 5000 233 16 183 9| 1.7 0.0 1.7| 68.2 0.0 68.2 13.6 0.86| 3.1 2.6 6000 239 16 193 8| 1.4 0.2 1.6| 69.9 -3.9 66.0 11.0 0.71| 2.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251203.09.gif