UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 19 APR 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1005 40 -8.3 -15.3 57 7.0 -9.9 235 5 264.5 264.7 263.0 267.6 1.16 1 1000 79 -8.7 -16.7 52 8.0 -10.5 235 5 264.5 264.6 262.7 267.3 1.03 2 925 677 -14.1 -20.1 60 6.0 -15.2 215 11 264.9 265.0 262.6 267.2 0.84 3 863 1198 -18.9 -22.9 71 4.0 -19.5 227 8 265.2 265.3 262.6 267.2 0.70 4 850 1312 -16.1 -19.7 74 3.6 -16.8 230 7 269.3 269.4 266.0 272.0 0.94 5 847 1339 -16.1 -19.6 74 3.5 -16.7 230 7 269.6 269.7 266.2 272.3 0.95 6 835 1446 -16.3 -19.5 76 3.2 -16.9 231 6 270.4 270.6 266.8 273.2 0.98 7 817 1610 -16.3 -19.7 75 3.4 -17.0 232 6 272.1 272.3 268.0 274.9 0.98 8 700 2759 -22.3 -30.3 48 8.0 -23.3 240 1 277.8 277.9 270.6 279.1 0.44 9 631 3518 -25.1 -38.1 29 13.0 -26.3 292 6 283.0 283.0 273.3 283.7 0.23 10 618 3669 -25.9 -37.9 32 12.0 -27.1 303 7 283.7 283.8 273.7 284.5 0.24 11 524 4844 -34.3 -40.3 55 6.0 -34.7 26 15 287.3 287.4 275.6 288.1 0.22 12 500 5170 -37.1 -43.1 54 6.0 -37.4 50 17 287.8 287.8 275.8 288.4 0.17 13 400 6670 -49.3 -54.3 56 5.0 -49.4 70 19 290.9 290.9 277.2 291.1 0.06 14 381 6987 -50.9 -55.9 55 5.0 -51.0 61 21 292.9 292.9 278.2 293.1 0.05 15 368 7213 -51.7 -56.7 55 5.0 -51.8 55 23 294.7 294.8 279.0 294.9 0.05 16 349 7556 -51.7 -56.7 55 5.0 -51.8 45 22 299.2 299.3 281.1 299.4 0.05 17 300 8540 -49.9 -55.9 49 6.0 -50.1 15 21 315.0 315.0 287.2 315.3 0.07 18 250 9740 -46.1 -55.1 35 9.0 -46.5 15 15 337.5 337.5 293.8 337.9 0.09 19 233 10208 -47.1 -57.1 31 10.0 -47.5 9 12 342.9 342.9 295.1 343.2 0.07 20 200 11220 -47.3 -60.3 21 13.0 -47.8 355 7 357.9 357.9 298.3 358.1 0.06 21 150 13130 -47.3 -64.3 13 17.0 -48.0 305 3 388.6 388.6 303.6 388.8 0.04 22 110 15175 -48.7 -67.7 9 19.0 -49.6 422.0 422.0 308.0 422.2 0.04 TRP 368 7213 -51.7 -56.7 55 5.0 -51.8 55 23 294.7 294.8 279.0 294.9 0.05 WND Sounding variables and indices 1000-500 mb thick: 5091.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 53.09 % Est. max temperature: -5.07 C = 22.87 F Sfc-Lift cond lev (LCL): 898.42 mb = 896.08 m = 2939.87 ft T: -16.12 C 700-500 lapse rate: 6.14 C/km ThetaE index: 0.47 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 701.37 mb = 2744.45 m = 9004.00 ft Mean mixing ratio: 0.92 g/kg Conv temperature: 4.96 C = 40.94 F Cap Strength: 16.86 C Lifted Index: 16.96 C Risk: None Lifted Index @300 mb: 33.84 C Lifted Index @700 mb: 10.43 C Showalter Index: 13.21 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.40 C K Index: -6.70 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.46 J/kg Max Up Vert Vel: 1.71 m/s Conv Inhibition (B-): 21381.08 J/kg Cap Strength: 16.94 C Lift Cond Lev (LCL): 856.02 mb = 1259.18 m = 4131.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 88 at 7 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 1005 40 235 5 4.1 2.9 | 254 11 10.8 3.1 1 1000 79 235 5 4.1 2.9 | 254 11 10.8 3.1 2 925 677 215 11 6.3 9.0 | 235 16 13.0 9.2 3 850 1312 230 7 5.4 4.5 | 249 13 12.1 4.7 4 700 2759 240 1 0.9 0.5 | 265 8 7.6 0.7 5 500 5170 50 17 -13.0 -10.9 | 30 12 -6.3 -10.7 6 400 6670 70 19 -17.9 -6.5 | 60 13 -11.1 -6.3 7 368 7213 55 23 -18.8 -13.2 | 43 18 -12.1 -13.0 8 300 8540 15 21 -5.4 -20.3 | 356 20 1.3 -20.1 9 250 9740 15 15 -3.9 -14.5 | 349 15 2.9 -14.3 10 200 11220 355 7 0.6 -7.0 | 313 10 7.3 -6.8 11 150 13130 305 3 2.5 -1.7 | 279 9 9.2 -1.5 Wind Parameters Mean winds (0-6000m): 58.3 at 9.0 knts Storm direction: 88.3 at 6.7 knts Shear (0-3000m) pos: 1.3 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 11.6 deg Storm rel helicity (0-3000m) pos: 20.6 neg: -15.7 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 33.96 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 ------------------------------------------------------------------------------- 500 225 7 246 13| 0.0 5.1 5.1| 0.0 -11.9 -11.9 -23.9 -0.68| 5.2 -3.5 1000 221 9 241 14| 0.6 2.6 3.1| 7.2 -15.6 -8.3 -8.3 -0.29| 4.4 -1.3 1500 222 8 243 14| 1.3 1.7 3.1| 13.8 -15.6 -1.7 -1.1 -0.05| 3.9 -0.2 2000 224 7 245 13| 1.5 1.3 2.8| 16.8 -15.6 1.2 0.6 0.03| 3.5 0.1 2500 225 6 247 12| 1.6 1.0 2.6| 19.2 -15.6 3.6 1.4 0.09| 3.2 0.3 3000 226 6 249 12| 1.3 0.9 2.2| 20.6 -15.7 4.9 1.6 0.10| 3.1 0.3 4000 246 6 258 12| 2.0 0.6 2.7| 49.9 -15.7 34.2 8.6 0.37| 3.7 1.4 5000 1 7 316 10| 2.7 0.5 3.2|110.6 -15.7 95.0 19.0 0.61| 4.7 2.8 6000 58 9 11 5| 2.3 0.4 2.8|132.1 -15.7 116.4 19.4 0.65| 4.5 2.9 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250419.12.gif