UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for EI953... Searching the city database file for: EI953 ... Date:1200Z 8 DEC 25 Station: EI953 WMO ident: 3953 Latitude: 51.94 Longitude: -10.24 ------------------------------------------------------------------------------- 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 -13 200 9 SFC 996 21 12.4 9.8 84 2.6 10.9 200 9 285.9 287.2 284.2 307.2 7.65 2 925 634 7.0 6.2 95 0.8 6.6 210 35 286.5 287.6 283.2 304.5 6.43 3 899 868 5.0 5.0 100 0.0 5.0 215 35 286.8 287.8 283.0 303.9 6.09 4 882 1023 4.0 1.3 83 2.7 2.7 218 36 287.3 288.1 281.7 300.8 4.76 5 850 1323 1.6 1.2 97 0.4 1.4 225 36 287.8 288.7 282.1 301.8 4.91 6 791 1899 -2.5 -2.6 99 0.1 -2.6 225 40 289.4 290.1 281.7 301.0 3.99 7 764 2174 -4.1 -4.1 100 0.0 -4.1 225 41 290.6 291.2 281.9 301.3 3.69 8 759 2226 -4.7 -7.3 82 2.6 -5.7 225 42 290.5 291.0 280.9 299.0 2.91 9 747 2351 -5.5 -5.5 100 0.0 -5.5 225 43 290.9 291.5 281.7 300.9 3.39 10 700 2859 -8.3 -14.3 62 6.0 -10.1 225 46 293.3 293.6 280.8 298.8 1.80 11 672 3174 -10.1 -19.1 48 9.0 -12.5 227 47 294.7 294.9 280.7 298.6 1.26 12 625 3728 -13.9 -20.9 55 7.0 -15.6 230 49 296.5 296.8 281.4 300.2 1.16 13 620 3789 -14.1 -19.1 66 5.0 -15.4 230 49 297.0 297.2 281.8 301.3 1.36 14 615 3850 -14.5 -23.5 46 9.0 -16.5 231 49 297.2 297.4 281.4 300.2 0.93 15 606 3962 -15.3 -20.3 66 5.0 -16.5 231 49 297.6 297.8 282.0 301.5 1.26 16 536 4875 -22.5 -34.5 33 12.0 -24.1 237 52 299.6 299.7 281.7 300.9 0.38 17 500 5380 -27.3 -36.3 42 9.0 -28.3 240 54 299.8 299.8 281.7 300.9 0.34 18 498 5409 -27.7 -36.7 42 9.0 -28.7 240 55 299.6 299.7 281.7 300.7 0.33 19 461 5957 -30.3 -47.3 17 17.0 -31.6 242 68 303.1 303.1 282.8 303.5 0.12 20 444 6223 -31.5 -55.5 8 24.0 -32.8 243 75 304.8 304.8 283.4 305.0 0.05 21 400 6950 -36.3 -54.3 14 18.0 -37.2 245 93 307.8 307.8 284.6 308.0 0.06 22 398 6985 -36.4 -55.0 13 18.6 -37.3 245 93 308.1 308.1 284.7 308.3 0.06 23 390 7126 -36.9 -57.9 10 21.0 -37.8 245 92 309.3 309.3 285.1 309.4 0.04 24 333 8201 -45.9 -58.9 22 13.0 -46.3 245 88 311.2 311.2 285.8 311.4 0.04 25 300 8890 -50.1 -62.1 23 12.0 -50.4 245 85 314.7 314.7 287.1 314.9 0.03 26 283 9269 -52.3 -66.3 17 14.0 -52.5 245 87 316.9 316.9 287.8 316.9 0.02 27 250 10070 -53.1 -73.1 7 20.0 -53.4 245 81 327.1 327.1 290.9 327.2 0.01 28 247 10147 -53.7 -73.7 7 20.0 -53.9 246 80 327.4 327.4 291.0 327.4 0.01 29 214 11072 -50.7 -79.7 2 29.0 -51.1 252 68 345.7 345.7 295.7 345.7 0.00 30 200 11510 -52.3 -80.3 2 28.0 -52.7 255 62 349.9 349.9 296.6 350.0 0.00 31 165 12736 -57.5 -82.5 3 25.0 -57.8 248 61 361.0 361.0 298.9 361.0 0.00 32 150 13340 -55.3 -83.3 2 28.0 -55.6 245 60 374.8 374.8 301.4 374.8 0.00 33 139 13830 -52.5 -82.5 1 30.0 -53.0 247 55 388.0 388.0 303.5 388.0 0.00 34 100 15940 -56.5 -84.5 2 28.0 -56.9 255 35 418.6 418.6 307.6 418.6 0.00 35 86 16889 -60.7 -86.7 2 26.0 -61.0 259 32 428.5 428.5 308.7 428.6 0.00 36 75 17747 -57.9 -85.9 2 28.0 -58.4 263 30 451.5 451.5 311.0 451.5 0.00 37 70 18180 -59.7 -86.7 2 27.0 -60.2 265 29 456.7 456.7 311.5 456.7 0.00 38 68 18361 -60.7 -86.7 2 26.0 -61.1 267 29 458.3 458.3 311.6 458.3 0.00 39 59 19246 -59.1 -87.1 1 28.0 -59.6 275 28 480.9 480.9 313.5 480.9 0.00 40 50 20270 -64.5 -88.5 2 24.0 -64.8 285 27 491.5 491.5 314.3 491.5 0.00 41 43 21183 -67.1 -90.1 2 23.0 -67.4 291 28 506.8 506.8 315.4 506.8 0.00 42 30 23380 -61.7 -88.7 2 27.0 -62.4 305 29 576.4 576.4 319.5 576.5 0.00 43 28 23808 -61.1 -88.1 2 27.0 -62.0 302 34 589.6 589.6 320.1 589.6 0.01 44 20 25870 -66.9 -90.9 2 24.0 -67.5 285 60 631.4 631.4 322.0 631.4 0.00 45 17 26847 -68.9 -91.9 2 23.0 -69.4 286 65 655.0 655.0 322.9 655.0 0.00 46 14 28018 -65.5 -91.5 2 26.0 -66.4 288 72 703.9 703.9 324.6 704.0 0.01 47 13 28466 -68.1 -91.1 2 23.0 -68.8 288 74 710.0 710.0 324.7 710.1 0.01 48 11 29474 -66.1 -91.1 2 25.0 -67.2 289 80 752.0 752.0 326.0 752.1 0.01 49 10 30050 -67.5 -91.5 2 24.0 -68.5 290 83 767.6 767.6 326.4 767.7 0.01 50 9.8 30172 -67.9 -91.9 2 24.0 -68.9 770.5 770.5 326.5 770.6 0.01 51 7.3 31973 -60.7 -88.7 1 28.0 -63.4 867.7 867.7 328.8 867.8 0.02 52 5.2 34075 -62.5 -89.5 1 27.0 -65.4 947.9 948.0 330.3 948.2 0.02 TRP 283 9269 -52.3 -66.3 17 14.0 -52.5 245 87 316.9 316.9 287.8 316.9 0.02 WND 398 6985 -36.4 -55.0 13 18.6 -37.3 245 93 308.1 308.1 284.7 308.3 0.06 Sounding variables and indices 1000-500 mb thick: 5393.00 m Freezing level: 826.98 mb = 1547.74 m = 5077.83 ft Wetbulb zero: 828.88 mb = 1524.39 m = 5001.22 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 70.60 % Est. max temperature: 14.45 C = 58.01 F Sfc-Lift cond lev (LCL): 957.75 mb = 345.42 m = 1133.26 ft T: 9.54 C 700-500 lapse rate: 7.54 C/km ThetaE index: 6.34 C Layer 925.0- 850.0 mb Conv cond level (CCL): 924.80 mb = 635.80 m = 2085.94 ft Mean mixing ratio: 6.80 g/kg Conv temperature: 12.99 C = 55.38 F Cap Strength: 0.14 C Lifted Index: -1.95 C Risk: Thunderstorms probable Lifted Index @300 mb: 6.83 C Lifted Index @700 mb: -1.82 C Showalter Index: 0.40 C Risk: Thunderstorms probable Total Totals Index: 57.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.90 C Cross Totals Index: 28.50 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 365.75 Risk: Showers and thunderstorms possible Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 293.70 J/kg Max Up Vert Vel: 24.24 m/s Conv Inhibition (B-): 0.01 J/kg Cap Strength: 0.14 C Lift Cond Lev (LCL): 926.99 mb = 616.20 m = 2021.63 ft Lev Free Conv (LFC): 911.99 mb = 750.17 m = 2461.16 ft Equ Level (EL): 451.99 mb = 6096.78 m = 20002.30 ft B at Equ Level: 290.28 J/kg Max Parcel Lev (MPL): 331.99 mb = 8220.64 m = 26970.27 ft Wind level data Storm motion: 260 at 34 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 ---------------------------------------------------------- 0 996 21 200 9 3.1 8.5 | 95 30 -30.0 2.6 1 925 634 210 35 17.5 30.3 | 147 29 -15.6 24.5 2 850 1323 225 36 25.5 25.5 | 159 21 -7.6 19.6 3 700 2859 225 46 32.5 32.5 | 179 27 -0.6 26.7 4 500 5380 240 54 46.8 27.0 | 213 25 13.7 21.1 5 400 6950 245 93 84.3 39.3 | 237 61 51.2 33.5 6 398 6985 245 93 84.3 39.3 | 237 61 51.2 33.5 7 300 8890 245 85 77.0 35.9 | 236 53 44.0 30.1 8 283 9269 245 87 78.8 36.8 | 236 55 45.8 30.9 9 250 10070 245 81 73.4 34.2 | 235 49 40.3 28.4 10 200 11510 255 62 59.9 16.0 | 249 29 26.8 10.2 11 150 13340 245 60 54.4 25.4 | 228 29 21.3 19.5 12 100 15940 255 35 33.8 9.1 | 193 3 0.7 3.2 13 70 18180 265 29 28.9 2.5 | 52 5 -4.2 -3.3 14 50 20270 285 27 26.1 -7.0 | 29 15 -7.0 -12.8 15 30 23380 305 29 23.8 -16.6 | 23 24 -9.3 -22.5 16 20 25870 285 60 58.0 -15.5 | 311 33 24.9 -21.4 17 10 30050 290 83 78.0 -28.4 | 307 56 44.9 -34.2 Wind Parameters Mean winds (0-6000m): 230.0 at 44.8 knts Storm direction: 260.0 at 33.6 knts Shear (0-3000m) pos: 5.5 neg: 1.1 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 85.8 deg Storm rel helicity (0-3000m) pos: 283.3 neg: 0.0 tot: 283.3 m^2/s^2 ave: 94.4 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.8 10^-3/s Energy-Hel index: 0.46 Bulk Rich Number: 2.87 Bulk Shear: 102.21 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 ------------------------------------------------------------------------------- 500 207 20 115 27| 21.9 0.0 21.9|157.4 0.0 157.4 314.7 0.99| 22.0 21.7 1000 211 27 132 26| 14.0 0.0 14.0|213.3 0.0 213.3 213.3 0.92| 16.1 14.8 1500 216 30 140 24| 10.1 0.0 10.1|232.5 0.0 232.5 155.0 0.87| 12.6 11.0 2000 219 32 146 23| 7.6 0.8 8.4|249.1 0.0 249.1 124.6 0.87| 10.3 8.9 2500 220 34 152 23| 6.0 1.3 7.4|265.7 0.0 265.7 106.3 0.87| 8.9 7.7 3000 221 36 157 23| 5.5 1.1 6.6|283.3 0.0 283.3 94.4 0.86| 7.9 6.8 4000 224 39 165 23| 4.6 0.8 5.5|323.4 0.0 323.4 80.8 0.88| 6.7 5.9 5000 227 42 173 23| 4.1 0.7 4.8|364.7 0.0 364.7 72.9 0.89| 6.0 5.3 6000 230 45 183 23| 4.9 0.6 5.5|443.8 0.0 443.8 74.0 0.81| 6.6 5.3 Wrote GIF file: /home/apache/climate/data/raob//EI953/skewt/EI953.skewt.20251208.12.gif