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 U4507... Searching the city database file for: U4507 ... Date:0000Z 25 APR 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 87 SFC 987 188 -8.7 -15.7 57 7.0 -10.3 240 9 265.4 265.6 263.6 268.6 1.14 2 925 686 -13.7 -20.7 55 7.0 -15.0 255 21 265.3 265.4 262.9 267.5 0.79 3 856 1271 -18.5 -22.7 69 4.2 -19.1 287 35 266.2 266.3 263.4 268.3 0.72 4 850 1324 -18.1 -22.2 70 4.1 -18.8 290 36 267.2 267.3 264.1 269.3 0.76 5 826 1539 -15.7 -19.1 75 3.4 -16.4 286 33 271.9 272.1 267.9 274.8 1.02 6 807 1714 -15.1 -19.0 72 3.9 -15.9 283 31 274.4 274.5 269.5 277.4 1.05 7 700 2774 -21.9 -26.0 69 4.1 -22.5 265 19 278.2 278.3 271.2 280.2 0.66 8 621 3646 -26.9 -33.9 52 7.0 -27.6 256 15 282.2 282.3 273.1 283.3 0.35 9 538 4665 -34.5 -45.5 32 11.0 -35.1 245 10 284.9 285.0 274.2 285.3 0.12 10 514 4981 -38.3 -49.3 31 11.0 -38.8 242 8 284.1 284.1 273.6 284.4 0.08 11 504 5116 -39.9 -50.9 30 11.0 -40.3 241 7 283.7 283.8 273.5 284.0 0.07 12 500 5170 -40.3 -51.3 30 11.0 -40.7 240 7 283.9 283.9 273.5 284.1 0.07 13 442 6003 -45.9 -55.9 31 10.0 -46.2 285 15 287.0 287.0 275.2 287.2 0.04 14 400 6670 -45.9 -55.9 31 10.0 -46.2 290 19 295.3 295.3 279.3 295.5 0.05 15 342 7710 -45.7 -58.7 22 13.0 -46.1 301 16 309.1 309.1 285.1 309.3 0.04 16 300 8590 -41.1 -58.1 14 17.0 -41.8 310 13 327.4 327.4 291.0 327.6 0.05 17 274 9201 -43.9 -62.9 10 19.0 -44.5 303 11 332.0 332.0 292.3 332.1 0.03 18 255 9686 -41.3 -61.3 10 20.0 -42.2 297 9 342.7 342.7 295.0 342.9 0.04 19 250 9820 -41.5 -61.5 10 20.0 -42.3 295 9 344.4 344.4 295.4 344.5 0.04 20 200 11330 -44.3 -67.3 6 23.0 -45.2 315 9 362.6 362.6 299.2 362.7 0.02 21 150 13250 -46.1 -70.1 5 24.0 -47.0 330 5 390.6 390.6 303.9 390.7 0.02 22 101 15865 -48.3 -73.3 4 25.0 -49.4 340 5 433.2 433.2 309.2 433.3 0.02 23 100 15930 -48.1 -73.1 4 25.0 -49.2 340 5 434.8 434.8 309.4 434.9 0.02 24 70 18280 -48.7 -73.7 4 25.0 -50.1 180 5 480.2 480.2 313.5 480.3 0.03 25 51 20350 -48.5 -73.5 4 25.0 -50.4 161 7 526.2 526.2 316.7 526.4 0.04 26 50 20480 -48.9 -73.9 4 25.0 -50.7 160 7 528.2 528.2 316.8 528.5 0.03 27 42 21620 -51.7 -75.7 4 24.0 -53.3 158 7 548.3 548.3 318.0 548.5 0.03 28 30 23810 -50.9 -75.9 4 25.0 -53.2 155 7 605.9 605.9 320.9 606.2 0.04 29 20 26460 -50.1 -75.1 4 25.0 -53.4 120 9 682.8 682.9 323.9 683.4 0.07 30 19 26795 -50.5 -75.5 4 25.0 -53.8 691.7 691.7 324.2 692.3 0.07 TRP 442 6003 -45.9 -55.9 31 10.0 -46.2 285 15 287.0 287.0 275.2 287.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5083.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 56.33 % Est. max temperature: -4.43 C = 24.02 F Sfc-Lift cond lev (LCL): 882.22 mb = 1043.50 m = 3423.53 ft T: -16.63 C 700-500 lapse rate: 7.68 C/km ThetaE index: 1.05 C Layer 925.0- 856.0 mb Conv cond level (CCL): 684.57 mb = 2936.33 m = 9633.51 ft Mean mixing ratio: 0.89 g/kg Conv temperature: 4.78 C = 40.60 F Cap Strength: 14.46 C Lifted Index: 13.23 C Risk: None Lifted Index @300 mb: 42.17 C Lifted Index @700 mb: 10.28 C Showalter Index: 12.12 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 18.10 C K Index: -4.10 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.33 J/kg Max Up Vert Vel: 1.63 m/s Conv Inhibition (B-): 65373.36 J/kg Cap Strength: 14.41 C Lift Cond Lev (LCL): 841.58 mb = 1398.60 m = 4588.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 13 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 ---------------------------------------------------------- 0 987 188 240 9 7.8 4.5 | 162 12 -3.7 11.4 1 925 686 255 21 20.3 5.4 | 215 15 8.8 12.4 2 850 1324 290 36 33.8 -12.3 | 284 23 22.3 -5.4 3 700 2774 265 19 18.9 1.7 | 221 11 7.4 8.6 4 500 5170 240 7 6.1 3.5 | 152 12 -5.4 10.4 5 442 6003 285 15 14.5 -3.9 | 224 4 3.0 3.1 6 400 6670 290 19 17.9 -6.5 | 266 6 6.4 0.4 7 300 8590 310 13 10.0 -8.4 | 47 2 -1.5 -1.4 8 250 9820 295 9 8.2 -3.8 | 133 5 -3.3 3.1 9 200 11330 315 9 6.4 -6.4 | 96 5 -5.1 0.6 10 150 13250 330 5 2.5 -4.3 | 106 9 -9.0 2.6 11 100 15930 340 5 1.7 -4.7 | 103 10 -9.8 2.2 12 70 18280 180 5 0.0 5.0 | 136 17 -11.5 11.9 13 50 20480 160 7 -2.4 6.6 | 134 19 -13.9 13.5 14 30 23810 155 7 -3.0 6.3 | 133 20 -14.5 13.3 15 20 26460 120 9 -7.8 4.5 | 121 22 -19.3 11.4 Wind Parameters Mean winds (0-6000m): 271.1 at 17.9 knts Storm direction: 301.1 at 13.4 knts Shear (0-3000m) pos: 4.5 neg: 3.0 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 46.2 deg Storm rel helicity (0-3000m) pos: 142.0 neg: -77.5 tot: 64.5 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 5.63 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 ------------------------------------------------------------------------------- 500 251 15 193 12| 13.0 0.0 13.0| 42.3 0.0 42.3 84.7 0.96| 13.1 12.6 1000 264 21 226 13| 13.8 0.0 13.8|118.6 0.0 118.6 118.6 0.95| 15.6 14.8 1500 275 25 251 14| 8.9 0.0 8.9|142.0 -19.6 122.4 81.6 0.75| 13.5 10.1 2000 277 26 255 15| 6.7 1.9 8.6|142.0 -46.1 95.9 48.0 0.50| 12.0 6.1 2500 277 26 254 14| 5.3 2.9 8.2|142.0 -67.0 75.0 30.0 0.33| 11.0 3.6 3000 276 24 250 14| 4.5 3.0 7.4|142.0 -77.5 64.5 21.5 0.25| 9.8 2.4 4000 272 22 240 12| 3.3 2.9 6.3|142.0 -93.7 48.3 12.1 0.13| 8.1 1.1 5000 271 19 229 10| 2.7 2.8 5.4|142.0-108.6 33.5 6.7 0.05| 7.0 0.4 6000 271 18 224 9| 3.3 2.3 5.6|161.9-108.6 53.4 8.9 0.17| 6.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250425.00.gif