UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 17 OCT 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 ------------------------------------------------------------------------------- SFC 1014 184 -4.9 -7.9 79 3.0 -5.8 295 1 267.2 267.5 266.5 272.8 2.08 1 1000 293 -6.1 -9.1 79 3.0 -7.0 260 5 267.0 267.4 266.2 272.2 1.92 2 999 301 -6.3 -9.3 79 3.0 -7.2 261 5 266.9 267.2 266.0 272.0 1.89 3 925 895 -6.1 -8.6 82 2.5 -6.9 340 23 273.1 273.4 270.5 279.0 2.15 4 924 904 -6.3 -8.8 82 2.5 -7.1 340 23 273.0 273.3 270.4 278.8 2.12 5 880 1294 -1.1 -3.1 86 2.0 -1.9 340 24 282.2 282.8 277.6 291.9 3.45 6 850 1574 -1.1 -3.1 86 2.0 -1.9 340 25 285.0 285.6 279.1 295.2 3.58 7 796 2095 -2.7 -4.6 87 1.9 -3.5 342 27 288.7 289.3 280.7 298.6 3.41 8 700 3103 -8.1 -10.5 83 2.4 -8.9 345 31 293.5 294.0 281.7 300.9 2.45 9 500 5630 -24.7 -27.9 75 3.2 -25.2 355 35 302.9 303.1 283.6 305.5 0.77 10 484 5867 -26.1 -29.3 74 3.2 -26.6 357 35 304.0 304.2 284.0 306.4 0.70 11 400 7220 -36.3 -39.6 71 3.3 -36.6 10 36 307.8 307.9 284.9 308.9 0.31 12 335 8425 -45.5 -48.9 68 3.4 -45.6 13 38 311.2 311.3 285.9 311.7 0.13 13 300 9150 -51.5 -54.9 67 3.4 -51.6 15 40 312.8 312.8 286.4 313.0 0.07 14 297 9215 -51.9 -55.3 67 3.4 -52.0 15 40 313.1 313.1 286.5 313.4 0.07 15 293 9302 -53.9 -57.7 63 3.8 -54.0 15 40 311.5 311.5 285.9 311.7 0.05 16 250 10300 -59.9 -63.7 61 3.8 -60.0 15 42 317.0 317.0 287.8 317.1 0.03 17 210 11375 -67.3 -71.0 59 3.7 -67.3 23 39 321.7 321.7 289.3 321.7 0.01 18 200 11670 -68.1 -72.0 57 3.9 -68.1 25 38 324.9 324.9 290.3 325.0 0.01 19 190 11977 -69.7 -73.6 57 3.9 -69.7 15 36 327.1 327.1 290.9 327.2 0.01 20 150 13410 -62.7 -66.7 58 4.0 -62.8 25 25 362.1 362.1 299.1 362.2 0.03 21 144 13662 -61.7 -65.5 60 3.8 -61.8 23 24 368.1 368.1 300.2 368.2 0.04 22 102 15806 -60.1 -64.5 56 4.4 -60.2 11 15 409.3 409.3 306.5 409.6 0.06 23 100 15930 -60.3 -64.7 56 4.4 -60.4 10 15 411.2 411.2 306.7 411.5 0.06 24 70 18150 -61.5 -66.5 51 5.0 -61.7 25 13 452.8 452.8 311.1 453.2 0.07 25 50 20230 -62.3 -68.3 44 6.0 -62.6 10 7 496.7 496.7 314.7 497.2 0.08 26 34 22614 -62.1 -69.1 39 7.0 -62.5 302 5 555.1 555.1 318.4 555.8 0.10 27 30 23390 -60.9 -67.9 39 7.0 -61.4 280 5 578.6 578.7 319.6 579.6 0.14 28 20 25930 -57.3 -65.3 36 8.0 -58.4 195 9 660.8 660.9 323.2 663.2 0.29 29 13 28673 -55.7 -66.7 24 11.0 -57.9 207 24 753.0 753.1 326.1 756.5 0.37 30 10 30370 -49.9 -63.9 18 14.0 -54.4 215 33 833.3 833.6 328.2 840.7 0.71 31 7.0 32737 -43.3 -63.3 9 20.0 -52.2 950.1 950.7 330.5 963.1 1.10 TRP 190 11977 -69.7 -73.6 57 3.9 -69.7 15 36 327.1 327.1 290.9 327.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5337.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.52 inches Sfc-500 mean rel hum: 81.56 % Est. max temperature: 11.65 C = 52.96 F Sfc-Lift cond lev (LCL): 966.93 mb = 552.68 m = 1813.22 ft T: -6.22 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.75 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 616.70 mb = 4054.54 m = 13302.15 ft Mean mixing ratio: 2.04 g/kg Conv temperature: 25.20 C = 77.36 F Cap Strength: 17.90 C Lifted Index: 22.68 C Risk: None Lifted Index @300 mb: 26.35 C Lifted Index @700 mb: 17.90 C Showalter Index: 7.68 C Risk: None Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.60 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 85.00 Risk: None Energy Index: 2.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.96 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 70222.45 J/kg Cap Strength: 22.64 C Lift Cond Lev (LCL): 921.37 mb = 926.36 m = 3039.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 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 1014 184 295 1 0.9 -0.4 | 200 21 7.3 20.0 1 1000 293 260 5 4.9 0.9 | 208 24 11.3 21.3 2 925 895 340 23 7.9 -21.6 | 275 14 14.2 -1.2 3 850 1574 340 25 8.6 -23.5 | 282 15 14.9 -3.1 4 700 3103 345 31 8.0 -29.9 | 303 17 14.4 -9.5 5 500 5630 355 35 3.1 -34.9 | 327 17 9.4 -14.4 6 400 7220 10 36 -6.3 -35.5 | 360 15 0.1 -15.0 7 300 9150 15 40 -10.4 -38.6 | 12 19 -4.0 -18.2 8 250 10300 15 42 -10.9 -40.6 | 13 21 -4.5 -20.1 9 200 11670 25 38 -16.1 -34.4 | 35 17 -9.7 -14.0 10 190 11977 15 36 -9.3 -34.8 | 12 15 -3.0 -14.3 11 150 13410 25 25 -10.6 -22.7 | 62 5 -4.2 -2.2 12 100 15930 10 15 -2.6 -14.8 | 214 7 3.8 5.7 13 70 18150 25 13 -5.5 -11.8 | 186 9 0.9 8.7 14 50 20230 10 7 -1.2 -6.9 | 201 14 5.1 13.5 15 30 23390 280 5 4.9 -0.9 | 210 23 11.3 19.6 16 20 25930 195 9 2.3 8.7 | 197 30 8.7 29.1 17 10 30370 215 33 18.9 27.0 | 208 54 25.3 47.5 Wind Parameters Mean winds (0-6000m): 347.3 at 28.5 knts Storm direction: 17.3 at 21.4 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 186.8 neg: 0.0 tot: 186.8 m^2/s^2 ave: 62.3 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 6.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 73.64 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 ------------------------------------------------------------------------------- 500 298 9 222 22| 16.2 0.0 16.2|109.0 0.0 109.0 218.1 0.91| 20.0 18.3 1000 333 15 243 15| 11.9 0.0 11.9|155.7 0.0 155.7 155.7 0.88| 16.4 14.4 1500 336 18 255 14| 8.5 0.0 8.5|161.4 0.0 161.4 107.6 0.88| 11.5 10.1 2000 338 20 263 14| 6.9 0.0 6.9|169.8 0.0 169.8 84.9 0.89| 9.1 8.1 2500 339 22 270 14| 5.9 0.0 5.9|178.4 0.0 178.4 71.4 0.89| 7.7 6.9 3000 340 23 276 14| 5.2 0.0 5.2|186.8 0.0 186.8 62.3 0.89| 6.8 6.1 4000 343 25 285 15| 4.1 0.0 4.1|199.1 0.0 199.1 49.8 0.90| 5.4 4.9 5000 345 27 293 15| 3.5 0.0 3.5|211.7 0.0 211.7 42.3 0.91| 4.6 4.2 6000 347 29 300 15| 3.0 0.0 3.0|231.0 0.0 231.0 38.5 0.91| 4.3 3.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251017.00.gif