UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U7707... Searching the city database file for: U7707 ... Date:0000Z 27 APR 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 135 SFC 987 240 1.0 -3.1 74 4.1 -0.6 310 3 275.2 275.7 273.2 283.6 3.08 2 925 757 -3.7 -6.8 79 3.1 -4.8 335 19 275.5 275.9 272.5 282.4 2.48 3 889 1069 -6.9 -9.1 84 2.2 -7.6 340 14 275.4 275.7 271.9 281.4 2.16 4 850 1418 -8.3 -10.3 85 2.0 -8.9 345 9 277.5 277.8 273.1 283.3 2.05 5 761 2267 -14.1 -17.5 75 3.4 -14.9 325 11 280.1 280.3 273.3 283.8 1.27 6 700 2895 -18.9 -21.8 78 2.9 -19.4 310 13 281.6 281.7 273.7 284.4 0.95 7 515 5096 -36.3 -39.6 71 3.3 -36.5 296 17 286.3 286.4 275.2 287.1 0.24 8 500 5300 -37.3 -40.4 73 3.1 -37.5 295 17 287.6 287.6 275.8 288.3 0.23 9 400 6810 -45.7 -50.7 57 5.0 -45.9 285 19 295.6 295.6 279.5 295.9 0.09 10 394 6911 -45.9 -51.9 51 6.0 -46.1 285 19 296.6 296.6 280.0 296.9 0.08 11 300 8740 -43.3 -54.3 29 11.0 -43.8 280 25 324.3 324.3 290.2 324.6 0.08 12 250 9970 -42.5 -58.5 16 16.0 -43.2 280 25 342.9 342.9 295.1 343.1 0.06 13 249 9997 -42.3 -58.3 16 16.0 -43.0 280 25 343.6 343.6 295.3 343.8 0.06 14 200 11470 -44.9 -64.9 9 20.0 -45.7 275 25 361.7 361.7 299.1 361.8 0.03 15 186 11954 -46.3 -67.3 7 21.0 -47.0 274 24 367.0 367.0 300.1 367.1 0.02 16 150 13380 -47.3 -70.3 5 23.0 -48.1 270 23 388.6 388.6 303.6 388.7 0.02 17 109 15478 -51.1 -74.1 5 23.0 -51.8 254 23 418.5 418.6 307.6 418.6 0.02 18 100 16040 -50.5 -74.5 4 24.0 -51.4 250 23 430.2 430.2 308.9 430.2 0.02 19 70 18340 -53.1 -77.1 4 24.0 -54.0 245 21 470.8 470.8 312.7 470.9 0.02 20 50 20500 -55.3 -79.3 4 24.0 -56.3 260 15 513.2 513.2 315.9 513.3 0.01 21 36 22585 -57.5 -80.5 4 23.0 -58.5 247 14 558.0 558.0 318.5 558.1 0.02 22 30 23740 -56.1 -79.1 4 23.0 -57.5 240 13 591.7 591.7 320.2 591.9 0.03 23 28 24179 -54.7 -78.7 4 24.0 -56.4 241 13 607.4 607.4 320.9 607.6 0.03 24 20 26320 -56.7 -79.7 4 23.0 -58.5 245 15 662.6 662.6 323.2 662.9 0.03 25 19 26645 -56.9 -79.9 4 23.0 -58.7 671.8 671.8 323.5 672.1 0.04 26 11 30174 -48.5 -73.5 4 25.0 -54.1 816.0 816.0 327.7 817.6 0.17 TRP 394 6911 -45.9 -51.9 51 6.0 -46.1 285 19 296.6 296.6 280.0 296.9 0.08 WND Sounding variables and indices 1000-500 mb thick: 5165.00 m Freezing level: 973.81 mb = 350.12 m = 1148.67 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 76.98 % Est. max temperature: 3.64 C = 38.55 F Sfc-Lift cond lev (LCL): 925.91 mb = 749.17 m = 2457.88 ft T: -3.63 C 700-500 lapse rate: 7.65 C/km ThetaE index: 2.25 C Layer 925.0- 850.0 mb Conv cond level (CCL): 890.97 mb = 1051.37 m = 3449.33 ft Mean mixing ratio: 2.59 g/kg Conv temperature: 1.20 C = 34.16 F Cap Strength: 3.73 C Lifted Index: 4.60 C Risk: None Lifted Index @300 mb: 29.63 C Lifted Index @700 mb: 1.88 C Showalter Index: 4.05 C Risk: None Total Totals Index: 56.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.00 C Cross Totals Index: 27.00 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 175.00 Risk: None Energy Index: 1.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.68 J/kg Max Up Vert Vel: 1.17 m/s Conv Inhibition (B-): 57744.25 J/kg Cap Strength: 4.56 C Lift Cond Lev (LCL): 890.60 mb = 1054.60 m = 3459.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 11 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 ---------------------------------------------------------- 0 987 240 310 3 2.3 -1.9 | 170 8 -1.4 7.9 1 925 757 335 19 8.0 -17.2 | 330 9 4.3 -7.4 2 850 1418 345 9 2.3 -8.7 | 129 2 -1.4 1.2 3 700 2895 310 13 10.0 -8.4 | 256 6 6.2 1.5 4 500 5300 295 17 15.4 -7.2 | 257 12 11.7 2.7 5 400 6810 285 19 18.4 -4.9 | 251 15 14.6 4.9 6 394 6911 285 19 18.4 -4.9 | 251 15 14.6 4.9 7 300 8740 280 25 24.6 -4.3 | 255 22 20.9 5.5 8 250 9970 280 25 24.6 -4.3 | 255 22 20.9 5.5 9 200 11470 275 25 24.9 -2.2 | 250 23 21.2 7.7 10 150 13380 270 23 23.0 -0.0 | 243 22 19.3 9.9 11 100 16040 250 23 21.6 7.9 | 225 25 17.9 17.7 12 70 18340 245 21 19.0 8.9 | 219 24 15.3 18.7 13 50 20500 260 15 14.8 2.6 | 222 17 11.0 12.5 14 30 23740 240 13 11.3 6.5 | 205 18 7.5 16.4 15 20 26320 245 15 13.6 6.3 | 211 19 9.9 16.2 Wind Parameters Mean winds (0-6000m): 309.2 at 14.1 knts Storm direction: 339.2 at 10.5 knts Shear (0-3000m) pos: 1.6 neg: 1.3 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 88.0 deg Storm rel helicity (0-3000m) pos: 19.7 neg: -0.3 tot: 19.4 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 4.44 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 ------------------------------------------------------------------------------- 500 331 11 253 1| 16.2 0.0 16.2| 15.2 0.0 15.2 30.3 0.77| 17.0 13.1 1000 335 13 319 3| 4.8 0.0 4.8| 18.1 0.0 18.1 18.1 0.64| 12.3 7.8 1500 337 12 319 2| 3.2 0.7 3.9| 19.0 0.0 19.0 12.6 0.66| 9.6 6.4 2000 335 12 302 1| 2.4 0.9 3.3| 19.4 0.0 19.4 9.7 0.65| 7.9 5.2 2500 331 12 282 2| 1.9 1.2 3.2| 19.5 -0.1 19.3 7.7 0.60| 6.9 4.1 3000 327 12 273 3| 1.6 1.3 2.9| 19.7 -0.3 19.4 6.5 0.57| 6.0 3.4 4000 320 13 267 4| 1.2 1.3 2.5| 19.9 -0.3 19.6 4.9 0.54| 4.8 2.6 5000 314 13 264 6| 1.0 1.3 2.2| 19.9 -1.0 18.9 3.8 0.50| 4.1 2.1 6000 309 14 262 7| 0.8 1.3 2.1| 19.9 -3.9 16.1 2.7 0.45| 3.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20250427.00.gif