UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for ULOL... Searching the city database file for: ULOL ... Date:0000Z 25 APR 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 100 300 1 SFC 999 98 8.4 7.9 97 0.5 8.1 300 1 281.6 282.8 281.3 300.0 6.70 2 925 739 4.0 1.1 81 2.9 2.7 325 9 283.4 284.2 279.5 296.0 4.48 3 850 1422 0.8 -1.7 83 2.5 -0.3 330 7 287.0 287.7 280.6 298.3 3.97 4 824 1671 -0.5 -4.2 76 3.7 -2.0 319 10 288.2 288.8 280.4 298.0 3.40 5 749 2426 -6.3 -8.8 82 2.5 -7.2 284 20 289.8 290.3 280.3 297.6 2.62 6 700 2955 -6.9 -12.9 62 6.0 -8.8 260 27 294.8 295.2 281.8 301.0 2.02 7 684 3135 -7.5 -15.5 53 8.0 -9.9 261 28 296.1 296.4 281.9 301.3 1.67 8 616 3936 -14.5 -22.5 51 8.0 -16.3 264 30 297.1 297.3 281.5 300.3 1.02 9 500 5480 -25.1 -35.1 39 10.0 -26.4 270 35 302.4 302.5 282.9 303.8 0.39 10 423 6678 -33.7 -47.7 23 14.0 -34.6 270 37 306.3 306.3 284.1 306.7 0.12 11 402 7035 -35.3 -49.3 23 14.0 -36.1 270 38 308.7 308.7 284.9 309.1 0.11 12 400 7070 -35.7 -49.7 22 14.0 -36.5 270 38 308.6 308.6 284.9 309.0 0.10 13 300 9000 -50.5 -59.5 34 9.0 -50.7 275 52 314.2 314.2 286.9 314.3 0.04 14 274 9586 -54.5 -62.5 37 8.0 -54.6 278 51 316.6 316.6 287.7 316.8 0.03 15 251 10145 -56.1 -64.1 36 8.0 -56.2 280 50 322.3 322.3 289.5 322.4 0.03 16 250 10170 -56.1 -64.1 36 8.0 -56.2 280 50 322.7 322.7 289.6 322.8 0.03 17 247 10247 -56.3 -64.3 36 8.0 -56.4 280 50 323.5 323.5 289.9 323.6 0.03 18 226 10817 -54.5 -62.5 37 8.0 -54.6 278 46 334.6 334.6 293.0 334.7 0.04 19 200 11610 -51.1 -59.1 38 8.0 -51.4 275 42 351.8 351.9 297.1 352.1 0.07 20 176 12440 -50.1 -60.1 30 10.0 -50.5 271 35 366.6 366.6 300.0 366.9 0.07 21 150 13480 -50.7 -62.7 23 12.0 -51.1 265 27 382.7 382.7 302.7 383.0 0.06 22 100 16100 -52.9 -68.9 13 16.0 -53.5 270 21 425.5 425.5 308.4 425.7 0.04 23 92 16638 -53.5 -69.5 13 16.0 -54.1 266 21 434.6 434.6 309.3 434.8 0.04 24 70 18390 -55.7 -72.7 10 17.0 -56.3 255 19 465.2 465.2 312.3 465.4 0.03 25 50 20530 -56.1 -74.1 9 18.0 -56.9 275 13 511.3 511.3 315.7 511.5 0.03 26 30 23760 -58.5 -77.5 7 19.0 -59.5 285 9 585.2 585.2 319.9 585.4 0.03 27 26 24658 -59.5 -78.5 7 19.0 -60.6 297 10 606.8 606.8 320.9 607.0 0.03 28 20 26310 -57.3 -76.3 7 19.0 -58.9 320 13 660.8 660.8 323.1 661.3 0.06 29 16 27715 -59.1 -78.1 7 19.0 -60.7 698.5 698.5 324.4 698.9 0.06 30 11 30095 -53.5 -73.5 7 20.0 -57.2 797.8 797.9 327.3 799.4 0.17 TRP 251 10145 -56.1 -64.1 36 8.0 -56.2 280 50 322.3 322.3 289.5 322.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5380.00 m Freezing level: 834.00 mb = 1575.26 m = 5168.10 ft Wetbulb zero: 856.99 mb = 1355.81 m = 4448.14 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 64.75 % Est. max temperature: 13.80 C = 56.83 F Sfc-Lift cond lev (LCL): 991.46 mb = 161.14 m = 528.68 ft T: 7.97 C 700-500 lapse rate: 7.21 C/km ThetaE index: 4.06 C Layer 925.0- 850.0 mb Conv cond level (CCL): 899.80 mb = 962.06 m = 3156.34 ft Mean mixing ratio: 5.26 g/kg Conv temperature: 11.33 C = 52.40 F Cap Strength: 4.61 C Lifted Index: 5.58 C Risk: None Lifted Index @300 mb: 11.85 C Lifted Index @700 mb: 3.98 C Showalter Index: 5.00 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.40 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 55.00 Risk: None Energy Index: 1.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.16 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 63080.88 J/kg Cap Strength: 5.52 C Lift Cond Lev (LCL): 922.29 mb = 762.68 m = 2502.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 17 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 ---------------------------------------------------------- 0 999 98 300 1 0.9 -0.5 | 121 16 -13.9 8.3 1 925 739 325 9 5.2 -7.4 | 98 10 -9.6 1.4 2 850 1422 330 7 3.5 -6.1 | 104 12 -11.2 2.7 3 700 2955 260 27 26.6 4.7 | 221 18 11.9 13.5 4 500 5480 270 35 35.0 -0.0 | 247 22 20.3 8.8 5 400 7070 270 38 38.0 -0.0 | 249 25 23.3 8.8 6 300 9000 275 52 51.8 -4.5 | 263 37 37.1 4.2 7 251 10145 280 50 49.2 -8.7 | 270 35 34.5 0.1 8 250 10170 280 50 49.2 -8.7 | 270 35 34.5 0.1 9 200 11610 275 42 41.8 -3.7 | 259 28 27.1 5.1 10 150 13480 265 27 26.9 2.4 | 228 16 12.2 11.1 11 100 16100 270 21 21.0 -0.0 | 216 11 6.3 8.8 12 70 18390 255 19 18.4 4.9 | 195 14 3.6 13.7 13 50 20530 275 13 13.0 -1.1 | 167 8 -1.8 7.6 14 30 23760 285 9 8.7 -2.3 | 137 9 -6.0 6.4 15 20 26310 320 13 8.4 -10.0 | 79 6 -6.4 -1.2 Wind Parameters Mean winds (0-6000m): 270.7 at 22.9 knts Storm direction: 300.7 at 17.1 knts Shear (0-3000m) pos: 1.2 neg: 4.4 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 102.2 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -23.7 tot: -16.9 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 56.07 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 ------------------------------------------------------------------------------- 500 323 4 114 13| 6.5 0.0 6.5| 0.0 -8.9 -8.9 -17.7 -0.42| 6.6 -2.8 1000 324 6 108 12| 3.6 0.0 3.6| 1.1 -13.2 -12.1 -12.1 -0.43| 4.7 -2.0 1500 326 7 106 11| 2.4 0.5 3.0| 2.4 -15.3 -12.9 -8.6 -0.34| 4.3 -1.5 2000 318 8 106 10| 1.8 2.5 4.3| 3.6 -16.1 -12.5 -6.3 -0.14| 5.4 -0.7 2500 301 10 120 7| 1.5 3.8 5.3| 5.2 -16.5 -11.3 -4.5 0.01| 6.4 0.0 3000 283 13 160 6| 1.2 4.4 5.6| 6.9 -23.7 -16.9 -5.6 -0.03| 6.8 -0.2 4000 274 17 195 8| 1.3 3.3 4.6| 24.0 -23.7 0.3 0.1 0.05| 5.6 0.3 5000 271 20 213 10| 1.4 2.6 4.1| 42.7 -23.7 19.0 3.8 0.12| 4.9 0.6 6000 271 23 224 12| 1.3 2.3 3.6| 53.1 -23.7 29.3 4.9 0.15| 4.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//ULOL/skewt/ULOL.skewt.20250425.00.gif