UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:0000Z 18 DEC 25 Station: ULOL WMO ident: 26477 Latitude: 56.38 Longitude: 30.60 Elevation: 98.00 ------------------------------------------------------------------------------- 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 1005 98 0.6 -0.5 92 1.1 0.1 220 3 273.4 274.0 273.1 283.3 3.66 1 1000 145 0.0 -2.4 84 2.4 -0.9 225 5 273.1 273.7 272.2 281.9 3.20 2 925 765 -4.5 -6.2 88 1.7 -5.1 255 15 274.7 275.1 272.2 281.9 2.60 3 923 782 -4.7 -6.4 88 1.7 -5.3 255 15 274.7 275.1 272.2 281.8 2.56 4 910 894 -0.7 -2.8 86 2.1 -1.6 258 17 279.9 280.5 276.4 289.4 3.41 5 850 1439 0.0 -6.0 64 6.0 -2.3 270 23 286.1 286.6 278.8 294.4 2.87 6 837 1562 0.0 -6.0 64 6.0 -2.3 270 24 287.4 287.9 279.5 295.9 2.91 7 811 1816 1.8 -9.2 44 11.0 -2.3 269 25 291.9 292.3 280.8 298.9 2.35 8 748 2466 0.0 -16.0 29 16.0 -5.2 267 30 296.8 297.1 281.9 301.4 1.47 9 700 2994 -3.3 -17.3 33 14.0 -7.6 265 33 298.8 299.1 282.7 303.3 1.40 10 602 4162 -13.1 -19.1 61 6.0 -14.7 269 37 300.7 300.9 283.4 305.1 1.40 11 569 4588 -15.1 -18.8 73 3.7 -16.1 271 39 303.2 303.5 284.6 308.1 1.52 12 556 4762 -16.1 -20.0 72 3.9 -17.1 272 39 304.0 304.3 284.8 308.6 1.40 13 500 5550 -22.5 -27.2 65 4.7 -23.4 275 42 305.6 305.8 284.7 308.3 0.82 14 476 5910 -25.7 -29.5 70 3.8 -26.3 278 43 306.0 306.1 284.7 308.3 0.70 15 466 6065 -26.1 -29.8 71 3.7 -26.7 280 43 307.3 307.5 285.2 309.7 0.69 16 400 7160 -32.5 -46.5 24 14.0 -33.6 290 46 312.7 312.8 286.5 313.3 0.15 17 370 7705 -34.5 -51.5 16 17.0 -35.5 293 44 317.1 317.2 287.9 317.5 0.09 18 360 7895 -35.9 -53.9 14 18.0 -36.9 294 44 317.8 317.8 288.1 318.0 0.07 19 300 9130 -46.5 -55.5 35 9.0 -46.8 300 40 319.8 319.8 288.8 320.1 0.07 20 268 9872 -52.1 -59.1 43 7.0 -52.2 303 40 322.1 322.1 289.5 322.3 0.05 21 258 10118 -54.3 -61.3 42 7.0 -54.4 304 40 322.4 322.4 289.5 322.6 0.04 22 250 10320 -55.5 -62.5 41 7.0 -55.6 305 40 323.6 323.6 289.9 323.7 0.03 23 215 11265 -61.3 -68.3 39 7.0 -61.4 312 44 328.8 328.8 291.4 328.9 0.02 24 200 11710 -62.9 -69.9 38 7.0 -63.0 315 46 333.2 333.2 292.6 333.2 0.02 25 174 12560 -66.5 -73.5 37 7.0 -66.5 310 33 340.8 340.8 294.5 340.8 0.01 26 156 13228 -61.7 -68.7 39 7.0 -61.8 303 34 359.7 359.7 298.7 359.8 0.02 27 150 13470 -62.5 -69.5 38 7.0 -62.6 300 35 362.4 362.4 299.2 362.5 0.02 28 126 14540 -64.9 -72.9 32 8.0 -65.0 298 35 376.6 376.6 301.7 376.7 0.02 29 100 15960 -61.9 -69.9 34 8.0 -62.1 295 36 408.1 408.1 306.3 408.3 0.03 30 70 18140 -66.5 -74.5 32 8.0 -66.6 285 36 442.1 442.1 310.1 442.2 0.02 31 50 20160 -69.9 -78.9 26 9.0 -70.0 270 36 478.8 478.8 313.4 478.9 0.02 32 30 23150 -76.7 -84.7 27 8.0 -76.8 265 40 535.5 535.5 317.2 535.6 0.01 33 21 25180 -80.9 -88.9 25 8.0 -81.0 580.4 580.4 319.7 580.4 0.01 TRP 174 12560 -66.5 -73.5 37 7.0 -66.5 310 33 340.8 340.8 294.5 340.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5405.00 m Freezing level: 1000.00 mb = 145.00 m = 475.72 ft Freezing level: 850.00 mb = 1439.00 m = 4721.07 ft Freezing level: 748.00 mb = 2465.98 m = 8090.40 ft Wetbulb zero: 1004.35 mb = 104.09 m = 341.50 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 58.92 % Est. max temperature: 12.86 C = 55.15 F Sfc-Lift cond lev (LCL): 987.79 mb = 242.72 m = 796.33 ft T: -0.71 C 700-500 lapse rate: 7.51 C/km ThetaE index: 1.42 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 924.75 mb = 767.13 m = 2516.78 ft Mean mixing ratio: 2.95 g/kg Conv temperature: 1.95 C = 35.51 F Cap Strength: 18.86 C Lifted Index: 19.20 C Risk: None Lifted Index @300 mb: 26.25 C Lifted Index @700 mb: 17.31 C Showalter Index: 10.41 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 16.50 C K Index: 2.50 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 2.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.58 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 46061.38 J/kg Cap Strength: 19.19 C Lift Cond Lev (LCL): 924.80 mb = 766.70 m = 2515.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 23 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 1005 98 220 3 1.9 2.3 | 127 23 -18.0 13.6 1 1000 145 225 5 3.5 3.5 | 132 22 -16.4 14.8 2 925 765 255 15 14.5 3.9 | 160 16 -5.4 15.1 3 850 1439 270 23 23.0 -0.0 | 195 12 3.1 11.3 4 700 2994 265 33 32.9 2.9 | 222 19 12.9 14.1 5 500 5550 275 42 41.8 -3.7 | 251 23 21.9 7.6 6 400 7160 290 46 43.2 -15.7 | 281 24 23.3 -4.5 7 300 9130 300 40 34.6 -20.0 | 301 17 14.7 -8.7 8 250 10320 305 40 32.8 -22.9 | 312 17 12.8 -11.7 9 200 11710 315 46 32.5 -32.5 | 329 25 12.6 -21.3 10 174 12560 310 33 25.3 -21.2 | 332 11 5.3 -9.9 11 150 13470 300 35 30.3 -17.5 | 301 12 10.4 -6.2 12 100 15960 295 36 32.6 -15.2 | 287 13 12.7 -4.0 13 70 18140 285 36 34.8 -9.3 | 263 15 14.8 1.9 14 50 20160 270 36 36.0 -0.0 | 235 20 16.1 11.3 15 30 23150 265 40 39.8 3.5 | 233 25 19.9 14.8 Wind Parameters Mean winds (0-6000m): 269.5 at 30.5 knts Storm direction: 299.5 at 22.9 knts Shear (0-3000m) pos: 3.8 neg: 1.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 119.7 neg: 0.0 tot: 119.7 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 74.23 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 ------------------------------------------------------------------------------- 500 240 8 140 20| 10.0 0.0 10.0| 49.5 0.0 49.5 99.1 0.89| 10.4 9.3 1000 253 12 150 17| 8.7 0.0 8.7| 76.4 0.0 76.4 76.4 0.86| 9.2 7.9 1500 260 15 161 15| 7.6 0.0 7.6| 94.1 0.0 94.1 62.7 0.87| 8.2 7.1 2000 263 18 170 14| 5.7 0.8 6.6|102.9 0.0 102.9 51.5 0.86| 7.0 6.0 2500 264 20 180 13| 4.6 1.4 5.9|111.3 0.0 111.3 44.5 0.83| 6.3 5.2 3000 265 22 189 14| 3.8 1.6 5.4|119.7 0.0 119.7 39.9 0.81| 5.7 4.6 4000 266 25 201 14| 3.4 1.2 4.6|141.0 0.0 141.0 35.3 0.83| 4.9 4.0 5000 267 28 213 15| 3.1 1.0 4.1|164.0 0.0 164.0 32.8 0.84| 4.3 3.6 6000 269 31 223 16| 2.9 0.8 3.7|199.7 0.0 199.7 33.3 0.85| 4.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20251218.00.gif