UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 21 APR 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 ------------------------------------------------------------------------------- 0 1000 73 SFC 985 187 -12.7 -18.7 61 6.0 -13.8 220 1 261.6 261.7 260.2 264.0 0.89 2 979 233 -12.9 -18.9 61 6.0 -14.0 213 2 261.8 262.0 260.4 264.2 0.88 3 945 502 -7.1 -9.9 80 2.8 -7.9 174 8 270.4 270.7 268.4 275.6 1.90 4 934 592 -7.5 -10.0 82 2.5 -8.2 161 9 270.9 271.2 268.8 276.2 1.91 5 925 666 -8.3 -11.0 81 2.7 -9.1 150 11 270.8 271.1 268.5 275.8 1.78 6 855 1280 -12.9 -16.1 77 3.2 -13.6 145 9 272.2 272.4 268.5 275.8 1.27 7 850 1325 -13.1 -16.1 78 3.0 -13.8 145 9 272.4 272.6 268.7 276.0 1.28 8 844 1379 -12.7 -15.9 77 3.2 -13.5 146 9 273.4 273.6 269.4 277.1 1.31 9 700 2767 -24.3 -28.6 68 4.3 -24.8 175 17 275.6 275.7 269.4 277.1 0.52 10 669 3095 -27.1 -31.3 67 4.2 -27.5 174 18 276.0 276.1 269.5 277.3 0.42 11 650 3303 -27.3 -31.5 67 4.2 -27.8 174 19 278.1 278.2 270.8 279.4 0.42 12 530 4741 -38.1 -43.1 59 5.0 -38.4 171 24 281.8 281.9 272.5 282.4 0.16 13 500 5140 -40.1 -44.9 60 4.8 -40.3 170 25 284.1 284.2 273.8 284.6 0.14 14 435 6080 -45.9 -51.9 51 6.0 -46.1 195 17 288.3 288.3 275.9 288.6 0.07 15 400 6640 -45.1 -52.1 45 7.0 -45.3 220 15 296.4 296.4 279.8 296.7 0.08 16 300 8560 -46.7 -58.7 24 12.0 -47.1 225 15 319.5 319.5 288.6 319.7 0.05 17 288 8830 -47.3 -59.3 24 12.0 -47.7 218 15 322.4 322.4 289.5 322.6 0.04 18 268 9307 -44.7 -58.7 19 14.0 -45.2 206 14 332.9 332.9 292.6 333.1 0.05 19 250 9770 -45.7 -60.7 17 15.0 -46.2 195 13 338.1 338.1 293.9 338.3 0.04 20 237 10125 -46.3 -62.3 15 16.0 -46.9 196 13 342.4 342.4 295.0 342.6 0.04 21 200 11260 -43.5 -62.5 11 19.0 -44.3 200 11 363.9 363.9 299.5 364.1 0.04 22 150 13180 -45.1 -67.1 7 22.0 -46.1 215 11 392.3 392.4 304.2 392.5 0.03 23 100 15870 -46.1 -70.1 5 24.0 -47.4 195 15 438.7 438.7 309.7 438.8 0.03 24 83 17104 -47.5 -72.5 4 25.0 -48.8 187 13 459.8 459.8 311.8 460.0 0.03 25 80 17348 -45.3 -70.3 4 25.0 -47.0 186 12 469.2 469.2 312.6 469.4 0.04 26 70 18230 -49.5 -74.5 4 25.0 -50.8 180 11 478.5 478.5 313.4 478.6 0.02 27 68 18420 -49.9 -74.9 4 25.0 -51.2 180 11 481.6 481.6 313.6 481.7 0.02 28 58 19473 -46.1 -72.1 4 26.0 -48.2 183 13 512.6 512.6 315.8 512.8 0.04 29 50 20460 -47.7 -73.7 3 26.0 -49.8 185 15 531.1 531.1 317.0 531.3 0.04 30 46 21007 -50.1 -75.1 4 25.0 -51.8 184 14 538.1 538.1 317.4 538.3 0.03 31 34 22990 -47.7 -73.7 3 26.0 -50.5 181 12 593.0 593.0 320.3 593.4 0.05 32 30 23810 -50.5 -75.5 4 25.0 -52.9 180 11 607.0 607.0 320.9 607.3 0.05 33 26 24742 -51.1 -76.1 4 25.0 -53.7 194 10 630.6 630.6 321.9 631.0 0.05 34 20 26450 -50.9 -75.9 4 25.0 -54.0 220 9 680.4 680.4 323.8 680.9 0.06 35 18 27137 -49.9 -74.9 4 25.0 -53.5 704.3 704.4 324.6 705.1 0.08 TRP 435 6080 -45.9 -51.9 51 6.0 -46.1 195 17 288.3 288.3 275.9 288.6 0.07 WND Sounding variables and indices 1000-500 mb thick: 5067.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 68.93 % Est. max temperature: -0.80 C = 30.57 F Sfc-Lift cond lev (LCL): 893.77 mb = 933.88 m = 3063.89 ft T: -10.31 C 700-500 lapse rate: 6.66 C/km ThetaE index: 0.41 C Layer 925.0- 855.0 mb Conv cond level (CCL): 985.00 mb = 186.75 m = 612.69 ft Mean mixing ratio: 1.56 g/kg Conv temperature: -11.91 C = 10.57 F Cap Strength: 7.52 C Lifted Index: 9.22 C Risk: None Lifted Index @300 mb: 32.85 C Lifted Index @700 mb: 3.63 C Showalter Index: 6.93 C Risk: None Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 24.00 C K Index: 6.60 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 1.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.08 J/kg Max Up Vert Vel: 8.95 m/s Conv Inhibition (B-): 67009.22 J/kg Cap Strength: 8.74 C Lift Cond Lev (LCL): 888.56 mb = 979.41 m = 3213.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 13 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 ---------------------------------------------------------- 0 985 187 220 1 0.6 0.8 | 19 12 -3.9 -11.0 1 925 666 150 11 -5.5 9.5 | 77 10 -10.0 -2.2 2 850 1325 145 9 -5.2 7.4 | 66 11 -9.7 -4.4 3 700 2767 175 17 -1.5 16.9 | 131 8 -6.0 5.2 4 500 5140 170 25 -4.3 24.6 | 145 16 -8.9 12.8 5 435 6080 195 17 4.4 16.4 | 179 5 -0.1 4.6 6 400 6640 220 15 9.6 11.5 | 273 5 5.1 -0.3 7 300 8560 225 15 10.6 10.6 | 281 6 6.1 -1.2 8 250 9770 195 13 3.4 12.6 | 124 1 -1.1 0.8 9 200 11260 200 11 3.8 10.3 | 28 2 -0.7 -1.4 10 150 13180 215 11 6.3 9.0 | 327 3 1.8 -2.8 11 100 15870 195 15 3.9 14.5 | 167 3 -0.6 2.7 12 70 18230 180 11 0.0 11.0 | 80 5 -4.5 -0.8 13 50 20460 185 15 1.3 14.9 | 135 5 -3.2 3.2 14 30 23810 180 11 0.0 11.0 | 80 5 -4.5 -0.8 15 20 26450 220 9 5.8 6.9 | 345 5 1.3 -4.9 Wind Parameters Mean winds (0-6000m): 171.0 at 16.8 knts Storm direction: 201.0 at 12.6 knts Shear (0-3000m) pos: 1.9 neg: 1.6 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 116.3 deg Storm rel helicity (0-3000m) pos: 41.1 neg: -5.4 tot: 35.7 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.50 Bulk Shear: 16.05 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 ------------------------------------------------------------------------------- 500 154 6 49 9| 0.0 10.9 10.9| 15.7 0.0 15.7 31.4 0.61| 13.0 8.0 1000 150 8 61 10| 0.0 4.7 4.7| 15.7 -4.5 11.2 11.2 0.43| 7.4 3.2 1500 150 9 64 10| 0.7 3.2 3.8| 21.4 -5.4 16.0 10.7 0.47| 5.8 2.7 2000 153 10 70 9| 1.4 2.4 3.8| 29.7 -5.4 24.3 12.1 0.55| 5.3 2.9 2500 159 11 78 9| 1.9 1.9 3.8| 38.0 -5.4 32.6 13.1 0.62| 5.0 3.1 3000 163 12 87 8| 1.9 1.6 3.5| 41.1 -5.4 35.7 11.9 0.63| 4.5 2.8 4000 167 14 103 8| 1.4 1.6 3.0| 44.6 -5.4 39.2 9.8 0.59| 3.9 2.3 5000 168 16 116 9| 1.2 1.5 2.7| 48.5 -5.4 43.1 8.6 0.56| 3.5 1.9 6000 171 17 124 9| 1.1 1.2 2.3| 63.2 -5.4 57.7 9.6 0.54| 4.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250421.00.gif