UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for UNNT... Searching the city database file for: UNNT ... Date:1200Z 18 APR 25 Station: UNNT WMO ident: 29634 Latitude: 55.03 Longitude: 82.90 Elevation: 177.00 ------------------------------------------------------------------------------- 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 94 210 11 SFC 994 177 1.2 -1.5 82 2.7 0.1 210 11 274.8 275.4 273.6 284.2 3.44 2 925 717 -1.5 -6.5 69 5.0 -3.3 215 15 277.8 278.2 273.9 284.9 2.54 3 850 1378 -10.3 -12.6 83 2.3 -10.9 225 21 275.4 275.6 271.2 280.2 1.71 4 818 1673 -13.1 -15.0 86 1.9 -13.6 228 22 275.4 275.7 270.9 279.6 1.46 5 724 2592 -20.1 -21.9 86 1.8 -20.4 237 26 277.5 277.7 271.3 280.2 0.91 6 700 2841 -22.3 -24.8 80 2.5 -22.7 240 27 277.8 277.9 271.1 280.0 0.73 7 608 3858 -30.7 -33.7 75 3.0 -31.0 244 31 279.5 279.6 271.5 280.7 0.36 8 509 5089 -41.7 -48.7 47 7.0 -41.9 249 36 280.8 280.8 271.8 281.1 0.09 9 500 5210 -42.7 -49.7 46 7.0 -42.9 250 36 281.0 281.0 271.9 281.3 0.08 10 417 6418 -51.5 -59.5 38 8.0 -51.6 255 42 284.6 284.7 273.9 284.8 0.03 11 400 6690 -50.5 -59.5 34 9.0 -50.7 255 46 289.4 289.4 276.4 289.5 0.03 12 378 7061 -49.1 -60.1 27 11.0 -49.3 256 49 295.9 295.9 279.6 296.0 0.03 13 300 8590 -46.1 -62.9 13 16.8 -46.6 260 60 320.4 320.4 288.9 320.5 0.03 14 286 8908 -45.5 -63.5 11 18.0 -46.0 260 58 325.6 325.7 290.5 325.8 0.03 15 250 9810 -43.5 -62.5 11 19.0 -44.2 260 52 341.4 341.4 294.7 341.5 0.03 16 242 10027 -42.9 -63.9 8 21.0 -43.7 261 51 345.5 345.5 295.7 345.6 0.03 17 204 11168 -44.1 -65.1 8 21.0 -44.9 265 43 360.9 360.9 298.9 361.0 0.03 18 200 11300 -44.5 -66.5 7 22.0 -45.3 265 42 362.3 362.3 299.2 362.4 0.02 19 150 13230 -46.3 -68.3 6 22.0 -47.2 265 33 390.3 390.3 303.9 390.4 0.03 20 134 13979 -47.3 -70.3 5 23.0 -48.2 266 32 401.3 401.3 305.4 401.4 0.02 21 100 15910 -49.1 -71.1 6 22.0 -50.1 270 29 432.9 432.9 309.1 433.0 0.03 22 81 17295 -51.3 -74.3 5 23.0 -52.2 276 24 455.2 455.2 311.4 455.3 0.02 23 70 18250 -50.7 -73.7 5 23.0 -51.8 280 21 475.9 475.9 313.1 476.1 0.03 24 50 20450 -50.3 -73.3 5 23.0 -51.9 290 15 524.9 524.9 316.6 525.2 0.04 25 46 20996 -50.1 -73.1 5 23.0 -51.8 297 15 538.1 538.1 317.4 538.4 0.04 26 30 23800 -49.3 -73.3 4 24.0 -52.0 335 13 610.2 610.3 321.1 610.7 0.06 27 28 24251 -49.1 -73.1 4 24.0 -52.0 343 13 623.0 623.0 321.6 623.5 0.07 28 20 26450 -49.3 -74.3 4 25.0 -52.9 20 13 685.3 685.3 324.0 686.0 0.08 29 11 30375 -48.7 -73.7 4 25.0 -54.2 815.2 815.3 327.7 816.9 0.16 TRP 417 6418 -51.5 -59.5 38 8.0 -51.6 255 42 284.6 284.7 273.9 284.8 0.03 WND 300 8590 -46.1 -62.9 13 16.8 -46.6 260 60 320.4 320.4 288.9 320.5 0.03 Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: 963.33 mb = 417.00 m = 1368.09 ft Wetbulb zero: 991.22 mb = 198.03 m = 649.69 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 74.01 % Est. max temperature: 1.75 C = 35.15 F Sfc-Lift cond lev (LCL): 953.04 mb = 492.86 m = 1616.98 ft T: -0.38 C 700-500 lapse rate: 8.61 C/km ThetaE index: 5.31 C Layer 850.0- 724.0 mb Conv cond level (CCL): 887.13 mb = 1043.74 m = 3424.31 ft Mean mixing ratio: 2.78 g/kg Conv temperature: 2.99 C = 37.38 F Cap Strength: -0.02 C Lifted Index: -2.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 25.52 C Lifted Index @700 mb: -2.81 C Showalter Index: 1.05 C Risk: Showers probable Total Totals Index: 62.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 32.40 C Cross Totals Index: 30.10 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 425.83 Risk: Severe Thunderstorms possible Energy Index: 0.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 458.45 J/kg Max Up Vert Vel: 30.28 m/s Conv Inhibition (B-): 6.65 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 886.81 mb = 1046.58 m = 3433.61 ft Lev Free Conv (LFC): 881.81 mb = 1090.77 m = 3578.61 ft Equ Level (EL): 421.81 mb = 6341.57 m = 20805.44 ft B at Equ Level: 456.43 J/kg Max Parcel Lev (MPL): 341.81 mb = 7726.64 m = 25349.55 ft Wind level data Storm motion: 272 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 ---------------------------------------------------------- 0 994 177 210 11 5.5 9.5 | 123 19 -15.5 10.2 1 925 717 215 15 8.6 12.3 | 136 18 -12.3 13.0 2 850 1378 225 21 14.8 14.8 | 159 17 -6.1 15.5 3 700 2841 240 27 23.4 13.5 | 190 14 2.4 14.2 4 500 5210 250 36 33.8 12.3 | 225 18 12.9 13.0 5 417 6418 255 42 40.6 10.9 | 239 23 19.6 11.6 6 400 6690 255 46 44.4 11.9 | 242 27 23.5 12.6 7 300 8590 260 60 59.1 10.4 | 254 40 38.1 11.1 8 250 9810 260 52 51.2 9.0 | 252 32 30.3 9.7 9 200 11300 265 42 41.8 3.7 | 258 21 20.9 4.4 10 150 13230 265 33 32.9 2.9 | 253 12 11.9 3.6 11 100 15910 270 29 29.0 -0.0 | 265 8 8.0 0.7 12 70 18250 280 21 20.7 -3.6 | 5 3 -0.3 -3.0 13 50 20450 290 15 14.1 -5.1 | 57 8 -6.9 -4.4 14 30 23800 335 13 5.5 -11.8 | 54 19 -15.5 -11.1 15 20 26450 20 13 -4.4 -12.2 | 66 28 -25.4 -11.5 Wind Parameters Mean winds (0-6000m): 241.9 at 28.0 knts Storm direction: 271.9 at 21.0 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 71.8 deg Storm rel helicity (0-3000m) pos: 89.8 neg: 0.0 tot: 89.8 m^2/s^2 ave: 29.9 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 3.5 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 10.85 Bulk Shear: 42.25 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 ------------------------------------------------------------------------------- 500 213 13 129 18| 4.0 0.0 4.0| 18.3 0.0 18.3 36.7 0.99| 4.0 3.9 1000 216 15 136 18| 4.5 0.0 4.5| 40.9 0.0 40.9 40.9 0.99| 4.5 4.5 1500 220 17 143 17| 4.2 0.0 4.2| 57.2 0.0 57.2 38.1 0.98| 4.3 4.2 2000 223 18 150 16| 3.8 0.0 3.8| 68.8 0.0 68.8 34.4 0.98| 4.0 3.9 2500 227 20 156 16| 3.6 0.0 3.6| 80.5 0.0 80.5 32.2 0.98| 3.8 3.7 3000 230 21 161 15| 3.4 0.0 3.4| 89.8 0.0 89.8 29.9 0.98| 3.6 3.5 4000 234 23 172 14| 3.1 0.0 3.1|106.8 0.0 106.8 26.7 0.97| 3.3 3.2 5000 239 26 184 14| 2.9 0.0 2.9|125.2 0.0 125.2 25.0 0.96| 3.1 3.0 6000 242 28 195 14| 2.9 0.0 2.9|148.3 0.0 148.3 24.7 0.93| 3.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//UNNT/skewt/UNNT.skewt.20250418.12.gif