UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:1200Z 9 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 ------------------------------------------------------------------------------- 0 1000 92 160 3 SFC 998 98 2.0 1.4 96 0.6 1.7 160 3 275.3 276.0 275.0 286.8 4.24 2 937 612 -1.1 -3.0 87 1.9 -1.9 197 23 277.2 277.7 274.6 286.2 3.27 3 925 717 -0.5 -2.2 88 1.7 -1.2 205 27 278.8 279.4 275.9 288.6 3.51 4 900 936 0.6 -0.6 92 1.2 0.1 211 24 282.1 282.8 278.4 293.5 4.06 5 858 1318 -1.7 -3.9 85 2.2 -2.6 223 20 283.6 284.2 278.2 293.1 3.33 6 850 1393 -1.5 -3.8 84 2.3 -2.4 225 19 284.6 285.2 278.7 294.2 3.39 7 841 1478 -1.1 -3.3 85 2.2 -2.0 227 19 285.9 286.5 279.6 296.0 3.56 8 700 2917 -9.9 -12.4 82 2.5 -10.7 255 25 291.5 291.9 280.4 297.8 2.11 9 549 4750 -21.7 -25.9 69 4.2 -22.5 262 29 298.5 298.6 281.8 301.2 0.84 10 500 5430 -28.1 -34.1 56 6.0 -28.8 265 31 298.8 298.9 281.4 300.2 0.43 11 488 5605 -29.1 -35.1 56 6.0 -29.8 261 32 299.6 299.7 281.7 301.0 0.40 12 438 6371 -35.5 -41.5 54 6.0 -36.0 244 36 300.9 301.0 282.1 301.7 0.23 13 400 7000 -39.1 -45.1 53 6.0 -39.5 230 40 304.2 304.2 283.3 304.8 0.17 14 393 7121 -39.7 -44.7 59 5.0 -40.0 232 42 304.9 305.0 283.6 305.6 0.18 15 352 7860 -47.5 -53.5 50 6.0 -47.7 244 54 304.2 304.2 283.2 304.4 0.07 16 331 8263 -50.1 -56.1 49 6.0 -50.3 250 60 306.0 306.0 283.9 306.2 0.06 17 322 8442 -51.3 -57.3 49 6.0 -51.4 250 56 306.8 306.8 284.2 307.0 0.05 18 300 8900 -52.3 -58.3 48 6.0 -52.4 250 46 311.6 311.6 285.9 311.8 0.05 19 250 10070 -55.9 -62.9 41 7.0 -56.0 245 36 323.0 323.0 289.7 323.1 0.03 20 248 10121 -56.3 -63.3 41 7.0 -56.4 250 36 323.1 323.1 289.8 323.2 0.03 21 236 10435 -56.7 -63.7 41 7.0 -56.8 255 35 327.1 327.1 290.9 327.2 0.03 22 200 11480 -57.1 -64.1 41 7.0 -57.2 270 33 342.3 342.3 294.9 342.5 0.03 23 157 13020 -55.5 -63.5 36 8.0 -55.7 287 26 369.6 369.6 300.5 369.8 0.05 24 150 13310 -57.3 -65.3 36 8.0 -57.5 290 25 371.4 371.4 300.8 371.5 0.04 25 100 15830 -63.3 -72.3 28 9.0 -63.4 300 35 405.4 405.4 305.9 405.5 0.02 26 70 18000 -67.7 -77.7 23 10.0 -67.8 305 40 439.5 439.6 309.8 439.6 0.01 27 50 20020 -70.5 -79.5 25 9.0 -70.6 310 50 477.4 477.4 313.2 477.4 0.01 28 37 21788 -74.1 -83.1 24 9.0 -74.2 310 59 511.0 511.0 315.7 511.1 0.01 29 30 23010 -73.7 -83.7 20 10.0 -73.8 310 66 543.7 543.7 317.8 543.8 0.01 30 20 25360 -76.1 -85.1 23 9.0 -76.2 300 75 603.2 603.2 320.7 603.3 0.01 31 17 26296 -76.9 -85.9 22 9.0 -77.0 629.4 629.4 321.9 629.5 0.01 TRP 248 10121 -56.3 -63.3 41 7.0 -56.4 250 36 323.1 323.1 289.8 323.2 0.03 WND 331 8263 -50.1 -56.1 49 6.0 -50.3 250 60 306.0 306.0 283.9 306.2 0.06 Sounding variables and indices 1000-500 mb thick: 5338.00 m Freezing level: 958.65 mb = 429.88 m = 1410.34 ft Freezing level: 913.64 mb = 816.76 m = 2679.62 ft Freezing level: 889.04 mb = 1036.11 m = 3399.26 ft Wetbulb zero: 968.66 mb = 341.35 m = 1119.91 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 79.20 % Est. max temperature: 11.55 C = 52.78 F Sfc-Lift cond lev (LCL): 988.70 mb = 174.36 m = 572.03 ft T: 1.54 C 700-500 lapse rate: 7.24 C/km ThetaE index: 0.62 C Layer 937.0- 925.0 mb Conv cond level (CCL): 802.45 mb = 1845.83 m = 6055.80 ft Mean mixing ratio: 3.72 g/kg Conv temperature: 14.02 C = 57.23 F Cap Strength: 10.18 C Lifted Index: 9.67 C Risk: None Lifted Index @300 mb: 16.82 C Lifted Index @700 mb: 7.07 C Showalter Index: 4.99 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 24.30 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 212.35 Risk: None Energy Index: 1.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.34 J/kg Max Up Vert Vel: 7.26 m/s Conv Inhibition (B-): 49368.75 J/kg Cap Strength: 10.19 C Lift Cond Lev (LCL): 927.41 mb = 695.86 m = 2282.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 19 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 ---------------------------------------------------------- 0 998 98 160 3 -1.0 2.8 | 106 21 -19.8 5.6 1 925 717 205 27 11.4 24.5 | 165 28 -7.3 27.3 2 850 1393 225 19 13.4 13.4 | 162 17 -5.3 16.2 3 700 2917 255 25 24.1 6.5 | 210 11 5.4 9.3 4 500 5430 265 31 30.9 2.7 | 246 13 12.1 5.5 5 400 7000 230 40 30.6 25.7 | 203 31 11.9 28.5 6 331 8263 250 60 56.4 20.5 | 238 44 37.6 23.3 7 300 8900 250 46 43.2 15.7 | 233 31 24.5 18.5 8 250 10070 245 36 32.6 15.2 | 218 23 13.9 18.0 9 248 10121 250 36 33.8 12.3 | 225 21 15.1 15.1 10 200 11480 270 33 33.0 -0.0 | 259 15 14.3 2.8 11 150 13310 290 25 23.5 -8.6 | 320 7 4.8 -5.7 12 100 15830 300 35 30.3 -17.5 | 322 19 11.6 -14.7 13 70 18000 305 40 32.8 -22.9 | 325 25 14.0 -20.1 14 50 20020 310 50 38.3 -32.1 | 326 35 19.6 -29.3 15 30 23010 310 66 50.6 -42.4 | 321 51 31.8 -39.6 16 20 25360 300 75 65.0 -37.5 | 307 58 46.2 -34.7 Wind Parameters Mean winds (0-6000m): 248.5 at 25.3 knts Storm direction: 278.5 at 18.9 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 216.6 neg: -6.4 tot: 210.3 m^2/s^2 ave: 70.1 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 6.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.54 Bulk Shear: 48.85 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 ------------------------------------------------------------------------------- 500 201 13 136 20| 20.6 0.0 20.6|129.3 0.0 129.3 258.7 0.94| 21.8 20.6 1000 206 19 152 22| 10.8 0.0 10.8|174.4 -0.7 173.7 173.7 0.79| 17.0 13.4 1500 211 19 155 21| 6.5 0.0 6.5|180.2 -6.4 173.8 115.9 0.67| 13.5 9.0 2000 217 20 160 20| 5.5 0.0 5.5|194.0 -6.4 187.6 93.8 0.68| 11.2 7.6 2500 224 20 165 18| 4.9 0.0 4.9|207.0 -6.4 200.7 80.3 0.70| 9.8 6.9 3000 230 21 171 17| 4.4 0.0 4.4|216.6 -6.4 210.3 70.1 0.72| 8.8 6.3 4000 239 22 181 15| 3.7 0.0 3.7|225.3 -6.4 218.9 54.7 0.73| 7.0 5.1 5000 245 24 192 13| 3.2 0.0 3.2|234.5 -6.4 228.2 45.6 0.74| 5.9 4.4 6000 249 25 202 13| 2.7 0.8 3.4|237.5 -33.8 203.6 33.9 0.55| 5.8 3.2 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20251209.12.gif