UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 11 DEC 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1020 170 -16.1 -20.8 67 4.7 -16.8 180 3 255.6 255.7 255.1 257.5 0.71 1 1000 319 -16.1 -17.4 90 1.3 -16.3 210 19 257.0 257.2 256.8 259.7 0.97 2 998 334 -16.3 -17.6 90 1.3 -16.5 210 19 257.0 257.1 256.8 259.6 0.96 3 988 411 -11.9 -16.6 68 4.7 -12.9 212 21 262.2 262.3 261.0 265.0 1.05 4 972 536 -8.5 -24.5 26 16.0 -11.3 214 25 266.8 266.9 263.5 268.4 0.54 5 966 584 -8.5 -26.5 22 18.0 -11.6 214 26 267.3 267.4 263.6 268.6 0.45 6 941 788 -7.3 -25.3 22 18.0 -10.6 218 31 270.5 270.6 266.0 272.0 0.52 7 925 922 -7.3 -26.3 20 19.0 -10.8 220 35 271.8 271.9 266.9 273.3 0.48 8 850 1580 -6.7 -35.7 8 29.0 -11.2 220 31 279.1 279.2 271.0 279.8 0.21 9 769 2360 -7.5 -42.5 4 35.0 -12.3 233 29 286.4 286.4 275.0 286.8 0.12 10 700 3085 -11.7 -50.7 2 39.0 -15.8 245 27 289.5 289.5 276.5 289.7 0.05 11 665 3476 -14.1 -54.1 2 40.0 -17.8 243 27 291.1 291.1 277.3 291.2 0.04 12 627 3921 -14.9 -39.9 10 25.0 -18.2 242 28 295.1 295.2 279.4 295.8 0.19 13 564 4712 -20.5 -46.5 8 26.0 -23.0 239 28 297.6 297.6 280.4 298.0 0.10 14 553 4858 -21.7 -27.7 58 6.0 -22.7 238 28 297.9 298.0 281.4 300.2 0.71 15 514 5391 -26.1 -27.3 90 1.2 -26.3 236 29 298.8 299.0 281.9 301.4 0.79 16 500 5590 -27.5 -28.6 90 1.1 -27.7 235 29 299.5 299.6 282.1 301.9 0.72 17 400 7160 -40.1 -42.7 76 2.6 -40.3 255 36 302.9 302.9 282.8 303.6 0.22 18 352 8019 -47.7 -51.4 66 3.7 -47.8 262 40 303.9 303.9 283.1 304.3 0.10 19 323 8581 -51.7 -55.5 64 3.8 -51.8 266 42 305.9 306.0 283.8 306.2 0.06 20 315 8744 -50.9 -54.3 67 3.4 -51.0 267 43 309.3 309.3 285.1 309.5 0.08 21 300 9060 -53.7 -58.0 59 4.3 -53.8 270 44 309.7 309.7 285.2 309.8 0.05 22 250 10200 -63.5 -70.5 38 7.0 -63.6 280 56 311.7 311.7 285.9 311.7 0.01 23 241 10424 -65.4 -72.4 37 7.0 -65.4 280 58 312.1 312.1 286.1 312.1 0.01 24 236 10551 -66.5 -73.5 37 7.0 -66.5 280 57 312.3 312.3 286.2 312.3 0.01 25 212 11194 -69.9 -75.9 41 6.0 -69.9 280 54 316.7 316.7 287.7 316.8 0.01 26 200 11540 -70.3 -76.3 41 6.0 -70.3 275 46 321.4 321.4 289.2 321.4 0.01 27 181 12142 -65.1 -72.1 37 7.0 -65.1 277 46 339.2 339.2 294.1 339.3 0.01 28 157 13012 -64.7 -72.7 32 8.0 -64.8 279 46 354.0 354.0 297.5 354.0 0.01 29 150 13290 -65.5 -74.5 28 9.0 -65.5 280 46 357.2 357.3 298.2 357.3 0.01 30 111 15108 -69.9 -82.9 13 13.0 -69.9 284 50 381.1 381.1 302.4 381.1 0.00 31 100 15730 -70.5 -84.5 11 14.0 -70.6 285 52 391.5 391.5 304.0 391.5 0.00 32 70 17840 -72.3 -98.3 1 26.0 -72.4 285 48 429.7 429.7 308.8 429.7 0.00 33 62 18552 -73.5 -99.5 1 26.0 -73.6 442.2 442.2 310.1 442.2 0.00 TRP 212 11194 -69.9 -75.9 41 6.0 -69.9 280 54 316.7 316.7 287.7 316.8 0.01 WND 241 10424 -65.4 -72.4 37 7.0 -65.4 280 58 312.1 312.1 286.1 312.1 0.01 Sounding variables and indices 1000-500 mb thick: 5271.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 23.05 % Est. max temperature: 5.53 C = 41.95 F Sfc-Lift cond lev (LCL): 944.60 mb = 758.68 m = 2489.09 ft T: -7.47 C 700-500 lapse rate: 6.31 C/km ThetaE index: 0.09 C Layer 998.0- 988.0 mb Conv cond level (CCL): 479.20 mb = 5888.97 m = 19320.52 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 28.77 C = 83.78 F Cap Strength: 26.50 C Lifted Index: 26.80 C Risk: None Lifted Index @300 mb: 30.25 C Lifted Index @700 mb: 21.27 C Showalter Index: 16.54 C Risk: None Total Totals Index: 12.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: -8.20 C K Index: -53.90 Risk: None Sweat Index: 148.35 Risk: None Energy Index: 4.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 73.28 J/kg Max Up Vert Vel: 12.11 m/s Conv Inhibition (B-): 28418.12 J/kg Cap Strength: 26.79 C Lift Cond Lev (LCL): 801.72 mb = 2035.34 m = 6677.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 21 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 1020 170 180 3 0.0 3.0 | 91 21 -21.2 0.3 1 1000 319 210 19 9.5 16.5 | 140 18 -11.7 13.8 2 925 922 220 35 22.5 26.8 | 183 24 1.3 24.1 3 850 1580 220 31 19.9 23.7 | 177 21 -1.3 21.0 4 700 3085 245 27 24.5 11.4 | 201 9 3.3 8.7 5 500 5590 235 29 23.8 16.6 | 190 14 2.6 13.9 6 400 7160 255 36 34.8 9.3 | 244 15 13.6 6.6 7 300 9060 270 44 44.0 -0.0 | 277 23 22.8 -2.7 8 250 10200 280 56 55.1 -9.7 | 290 36 34.0 -12.4 9 241 10424 280 58 57.1 -10.1 | 290 38 35.9 -12.8 10 212 11194 280 54 53.2 -9.4 | 291 34 32.0 -12.1 11 200 11540 275 46 45.8 -4.0 | 285 26 24.6 -6.7 12 150 13290 280 46 45.3 -8.0 | 294 26 24.1 -10.7 13 100 15730 285 52 50.2 -13.5 | 299 33 29.0 -16.2 14 70 17840 285 48 46.4 -12.4 | 301 29 25.2 -15.1 Wind Parameters Mean winds (0-6000m): 232.7 at 28.5 knts Storm direction: 262.7 at 21.4 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 109.4 deg Storm rel helicity (0-3000m) pos: 191.3 neg: -14.0 tot: 177.3 m^2/s^2 ave: 59.1 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 6.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 3.76 Bulk Shear: 19.49 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 ------------------------------------------------------------------------------- 500 212 20 143 18| 26.7 0.0 26.7|131.2 0.0 131.2 262.4 0.98| 27.5 26.8 1000 217 26 164 19| 16.1 0.0 16.1|166.8 -4.7 162.2 162.2 0.90| 17.9 16.1 1500 218 28 169 20| 9.8 0.0 9.8|168.9 -14.0 154.9 103.3 0.79| 13.0 10.3 2000 220 29 172 19| 7.1 0.0 7.1|179.5 -14.0 165.5 82.7 0.76| 11.0 8.3 2500 223 29 175 18| 5.5 0.0 5.5|187.0 -14.0 173.0 69.2 0.73| 9.7 7.1 3000 226 28 177 17| 4.4 0.0 4.4|191.3 -14.0 177.3 59.1 0.71| 8.6 6.1 4000 230 28 181 16| 3.3 0.3 3.6|191.3 -16.2 175.1 43.8 0.67| 6.7 4.5 5000 232 28 184 15| 2.7 0.4 3.1|191.3 -19.0 172.3 34.5 0.63| 5.6 3.5 6000 233 28 186 15| 2.5 0.4 2.9|208.3 -20.2 188.1 31.4 0.64| 5.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251211.00.gif