UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 22 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 1012 39 -1.1 -7.1 64 6.0 -3.1 260 5 271.1 271.5 269.4 277.2 2.21 1 1000 134 -1.9 -9.9 54 8.0 -4.3 250 9 271.2 271.5 268.8 276.2 1.80 2 925 747 -7.5 -14.5 57 7.0 -9.3 245 11 271.6 271.9 268.3 275.4 1.34 3 850 1398 -13.3 -16.8 75 3.5 -14.1 205 9 272.2 272.4 268.4 275.6 1.21 4 838 1506 -13.7 -16.9 77 3.2 -14.4 207 9 272.9 273.1 268.9 276.4 1.21 5 822 1653 -14.1 -17.1 78 3.0 -14.7 210 10 274.0 274.2 269.6 277.5 1.22 6 736 2483 -19.9 -24.6 66 4.7 -20.7 227 13 276.5 276.6 270.2 278.6 0.71 7 700 2854 -21.3 -27.3 58 6.0 -22.2 235 15 278.9 279.0 271.5 280.7 0.58 8 635 3568 -24.3 -33.3 43 9.0 -25.4 247 21 283.4 283.4 273.8 284.5 0.36 9 582 4199 -26.9 -33.9 52 7.0 -27.7 257 27 287.5 287.5 276.0 288.7 0.37 10 516 5058 -31.9 -37.9 55 6.0 -32.4 271 34 291.5 291.6 277.9 292.4 0.28 11 500 5280 -33.3 -39.3 55 6.0 -33.8 275 36 292.4 292.5 278.3 293.3 0.25 12 400 6810 -43.3 -48.2 58 4.9 -43.5 285 54 298.7 298.7 281.0 299.1 0.12 13 379 7172 -45.5 -50.3 58 4.8 -45.7 286 59 300.5 300.5 281.7 300.8 0.10 14 326 8169 -49.9 -55.6 51 5.6 -50.1 290 73 307.6 307.6 284.5 307.8 0.06 15 305 8603 -51.9 -57.9 48 6.0 -52.0 290 73 310.7 310.7 285.7 310.9 0.05 16 300 8710 -51.9 -57.9 48 6.0 -52.0 290 71 312.2 312.2 286.2 312.4 0.05 17 286 9019 -52.5 -58.5 48 6.0 -52.7 291 62 315.6 315.6 287.3 315.8 0.05 18 250 9890 -51.1 -58.1 43 7.0 -51.3 295 36 330.1 330.1 291.8 330.3 0.06 19 204 11229 -48.3 -58.3 31 10.0 -48.7 286 28 354.3 354.3 297.6 354.6 0.07 20 200 11360 -48.3 -58.3 31 10.0 -48.7 285 27 356.3 356.3 298.0 356.6 0.07 21 150 13250 -48.5 -62.5 18 14.0 -49.1 305 17 386.5 386.5 303.3 386.8 0.06 22 118 14825 -48.9 -65.9 12 17.0 -49.7 290 15 413.2 413.2 306.9 413.4 0.05 23 100 15910 -49.5 -67.5 10 18.0 -50.4 280 13 432.1 432.1 309.1 432.3 0.04 24 89 16673 -51.5 -69.5 10 18.0 -52.3 285 10 442.7 442.7 310.1 442.9 0.04 25 70 18240 -50.7 -70.7 8 20.0 -51.8 295 5 475.9 475.9 313.1 476.2 0.04 26 68 18429 -50.7 -70.7 8 20.0 -51.8 286 5 479.9 479.9 313.5 480.1 0.04 27 64 18825 -49.1 -69.1 8 20.0 -50.5 268 6 491.8 491.8 314.4 492.1 0.05 28 50 20440 -50.5 -71.5 7 21.0 -52.0 195 9 524.5 524.5 316.6 524.8 0.05 29 46 20980 -51.5 -72.5 6 21.0 -53.0 194 10 534.7 534.7 317.2 535.0 0.05 30 41 21730 -48.3 -70.3 6 22.0 -50.5 193 12 560.6 560.6 318.7 561.1 0.07 31 33 23148 -50.7 -72.7 6 22.0 -52.8 191 16 590.1 590.1 320.2 590.6 0.06 32 30 23770 -48.7 -70.7 6 22.0 -51.4 190 17 611.9 611.9 321.2 612.6 0.09 33 20 26440 -48.7 -71.7 5 23.0 -52.4 130 27 687.1 687.2 324.0 688.1 0.12 34 19 26778 -47.9 -71.9 5 24.0 -52.0 699.7 699.8 324.4 700.8 0.12 TRP 305 8603 -51.9 -57.9 48 6.0 -52.0 290 73 310.7 310.7 285.7 310.9 0.05 WND 326 8169 -49.9 -55.6 51 5.6 -50.1 290 73 307.6 307.6 284.5 307.8 0.06 Sounding variables and indices 1000-500 mb thick: 5146.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 58.90 % Est. max temperature: -0.09 C = 31.83 F Sfc-Lift cond lev (LCL): 921.03 mb = 780.15 m = 2559.52 ft T: -7.80 C 700-500 lapse rate: 4.95 C/km ThetaE index: 1.77 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 839.50 mb = 1492.63 m = 4897.01 ft Mean mixing ratio: 1.59 g/kg Conv temperature: 0.60 C = 33.08 F Cap Strength: 13.29 C Lifted Index: 13.88 C Risk: None Lifted Index @300 mb: 25.78 C Lifted Index @700 mb: 4.52 C Showalter Index: 14.08 C Risk: None Total Totals Index: 36.50 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 16.50 C K Index: -2.80 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.02 J/kg Max Up Vert Vel: 1.43 m/s Conv Inhibition (B-): 54748.40 J/kg Cap Strength: 13.60 C Lift Cond Lev (LCL): 857.17 mb = 1333.29 m = 4374.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 16 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 1012 39 260 5 4.9 0.9 | 122 12 -9.8 6.1 1 1000 134 250 9 8.5 3.1 | 143 10 -6.3 8.3 2 925 747 245 11 10.0 4.6 | 154 11 -4.7 9.8 3 850 1398 205 9 3.8 8.2 | 141 17 -10.9 13.3 4 700 2854 235 15 12.3 8.6 | 170 14 -2.4 13.8 5 500 5280 275 36 35.9 -3.1 | 264 21 21.1 2.1 6 400 6810 285 54 52.2 -14.0 | 283 38 37.4 -8.8 7 326 8169 290 73 68.6 -25.0 | 290 57 53.9 -19.8 8 305 8603 290 73 68.6 -25.0 | 290 57 53.9 -19.8 9 300 8710 290 71 66.7 -24.3 | 290 55 52.0 -19.1 10 250 9890 295 36 32.6 -15.2 | 299 21 17.9 -10.0 11 200 11360 285 27 26.1 -7.0 | 279 12 11.4 -1.8 12 150 13250 305 17 13.9 -9.8 | 10 5 -0.8 -4.6 13 100 15910 280 13 12.8 -2.3 | 147 4 -1.9 2.9 14 70 18240 295 5 4.5 -2.1 | 107 11 -10.2 3.1 15 50 20440 195 9 2.3 8.7 | 138 19 -12.4 13.9 16 30 23770 190 17 3.0 16.7 | 152 25 -11.8 21.9 17 20 26440 130 27 -20.7 17.4 | 122 42 -35.4 22.5 Wind Parameters Mean winds (0-6000m): 259.4 at 20.8 knts Storm direction: 289.4 at 15.6 knts Shear (0-3000m) pos: 1.6 neg: 1.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 55.7 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -12.3 tot: 44.4 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 18.80 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 ------------------------------------------------------------------------------- 500 249 9 144 10| 0.0 5.7 5.7| 15.3 0.0 15.3 30.6 0.97| 5.8 5.6 1000 244 10 148 11| 0.0 3.3 3.3| 17.2 -4.0 13.2 13.2 0.50| 5.0 2.5 1500 235 10 148 13| 0.0 2.6 2.6| 19.5 -12.3 7.3 4.8 0.25| 4.8 1.2 2000 229 10 148 14| 0.7 2.0 2.7| 31.3 -12.3 19.0 9.5 0.36| 4.3 1.6 2500 228 11 151 14| 1.2 1.6 2.8| 42.9 -12.3 30.6 12.2 0.45| 4.1 1.8 3000 230 11 154 14| 1.6 1.3 3.0| 56.7 -12.3 44.4 14.8 0.53| 4.1 2.2 4000 237 14 165 13| 2.6 1.0 3.5| 96.6 -12.3 84.3 21.1 0.67| 4.4 3.0 5000 249 17 186 11| 3.2 0.8 4.0|148.2 -12.3 136.0 27.2 0.74| 4.8 3.5 6000 259 21 212 11| 3.7 0.7 4.3|194.7 -12.3 182.4 30.4 0.71| 5.1 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250422.12.gif