UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 20 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 106 SFC 989 189 -15.7 -21.7 60 6.0 -16.6 135 3 258.3 258.4 257.2 260.1 0.68 2 951 487 -10.1 -14.4 71 4.3 -11.1 199 9 266.9 267.1 265.0 270.5 1.32 3 928 675 -10.5 -14.1 75 3.6 -11.3 240 13 268.3 268.5 266.1 272.2 1.38 4 925 700 -10.7 -14.3 75 3.6 -11.6 245 13 268.4 268.6 266.1 272.1 1.36 5 894 961 -12.1 -16.3 71 4.2 -13.0 239 14 269.6 269.7 266.6 272.9 1.20 6 850 1343 -15.7 -20.3 68 4.6 -16.6 230 15 269.7 269.8 266.2 272.2 0.89 7 765 2126 -21.7 -26.7 64 5.0 -22.4 233 19 271.5 271.6 266.8 273.1 0.56 8 700 2772 -25.9 -30.9 63 5.0 -26.5 235 23 273.8 273.9 268.0 275.1 0.42 9 552 4459 -35.9 -41.9 54 6.0 -36.2 235 23 281.2 281.2 272.2 281.8 0.17 10 500 5140 -41.1 -48.1 47 7.0 -41.3 235 23 282.9 282.9 273.1 283.3 0.10 11 462 5676 -43.9 -51.9 41 8.0 -44.2 224 27 285.9 285.9 274.6 286.1 0.07 12 419 6331 -46.1 -55.1 35 9.0 -46.3 210 33 291.2 291.2 277.3 291.4 0.05 13 400 6640 -46.3 -55.3 35 9.0 -46.6 205 33 294.8 294.8 279.1 295.0 0.05 14 342 7674 -48.3 -59.3 27 11.0 -48.6 202 32 305.6 305.6 283.7 305.7 0.04 15 300 8540 -45.9 -58.9 22 13.0 -46.3 200 31 320.7 320.7 289.0 320.8 0.05 16 273 9171 -44.7 -59.7 17 15.0 -45.2 192 30 331.2 331.2 292.1 331.4 0.04 17 259 9524 -45.5 -61.5 15 16.0 -46.0 188 29 335.0 335.0 293.1 335.2 0.04 18 250 9760 -46.3 -62.3 15 16.0 -46.8 185 29 337.2 337.2 293.7 337.4 0.04 19 200 11250 -44.5 -64.5 9 20.0 -45.3 200 21 362.3 362.3 299.2 362.5 0.03 20 163 12607 -46.5 -68.5 6 22.0 -47.3 189 18 380.8 380.8 302.4 380.9 0.02 21 150 13160 -43.7 -66.7 6 23.0 -44.9 185 17 394.8 394.8 304.5 394.9 0.03 22 101 15785 -47.5 -71.5 5 24.0 -48.7 170 13 434.7 434.7 309.3 434.8 0.02 23 100 15850 -47.7 -71.7 5 24.0 -48.8 170 13 435.6 435.6 309.4 435.7 0.02 24 79 17409 -49.1 -73.1 4 24.0 -50.3 187 17 463.0 463.1 312.1 463.2 0.02 25 70 18210 -47.1 -72.1 4 25.0 -48.7 195 19 483.6 483.6 313.7 483.8 0.03 26 58 19447 -51.1 -75.1 4 24.0 -52.4 206 18 501.3 501.3 315.1 501.5 0.02 27 50 20420 -48.1 -73.1 4 25.0 -50.1 215 17 530.1 530.1 316.9 530.4 0.04 28 49 20553 -48.1 -73.1 4 25.0 -50.1 214 17 533.2 533.2 317.1 533.5 0.04 29 41 21718 -52.1 -76.1 4 24.0 -53.7 209 19 551.1 551.1 318.2 551.3 0.03 30 30 23750 -50.1 -75.1 4 25.0 -52.6 200 21 608.1 608.1 321.0 608.4 0.05 31 27 24435 -49.9 -74.9 4 25.0 -52.7 191 19 627.2 627.2 321.8 627.6 0.05 32 20 26370 -54.1 -78.1 4 24.0 -56.5 165 13 670.6 670.6 323.4 670.9 0.05 33 17 27412 -54.5 -78.5 4 24.0 -57.1 701.2 701.2 324.5 701.6 0.05 34 14 28658 -53.7 -77.7 4 24.0 -56.9 743.9 744.0 325.8 744.6 0.07 35 12 29658 -49.3 -74.3 4 25.0 -54.3 793.1 793.1 327.1 794.4 0.14 36 10 30851 -50.3 -75.3 4 25.0 -55.5 831.8 831.9 328.0 833.2 0.14 TRP 419 6331 -46.1 -55.1 35 9.0 -46.3 210 33 291.2 291.2 277.3 291.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5034.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 61.55 % Est. max temperature: -4.08 C = 24.66 F Sfc-Lift cond lev (LCL): 896.69 mb = 937.75 m = 3076.56 ft T: -11.98 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.66 C Layer 850.0- 765.0 mb Conv cond level (CCL): 989.00 mb = 189.19 m = 620.71 ft Mean mixing ratio: 1.19 g/kg Conv temperature: -15.16 C = 4.71 F Cap Strength: 10.08 C Lifted Index: 11.09 C Risk: None Lifted Index @300 mb: 36.17 C Lifted Index @700 mb: 4.90 C Showalter Index: 8.98 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 20.80 C K Index: 0.10 Risk: None Sweat Index: 88.89 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.91 J/kg Max Up Vert Vel: 9.16 m/s Conv Inhibition (B-): 68870.89 J/kg Cap Strength: 10.94 C Lift Cond Lev (LCL): 877.58 mb = 1101.10 m = 3612.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 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 ---------------------------------------------------------- 0 989 189 135 3 -2.1 2.1 | 89 18 -17.5 -0.2 1 925 700 245 13 11.8 5.5 | 131 5 -3.6 3.2 2 850 1343 230 15 11.5 9.6 | 152 8 -3.9 7.4 3 700 2772 235 23 18.8 13.2 | 197 11 3.4 10.9 4 500 5140 235 23 18.8 13.2 | 197 11 3.4 10.9 5 419 6331 210 33 16.5 28.6 | 182 26 1.1 26.3 6 400 6640 205 33 13.9 29.9 | 177 28 -1.5 27.6 7 300 8540 200 31 10.6 29.1 | 170 27 -4.8 26.8 8 250 9760 185 29 2.5 28.9 | 154 30 -12.9 26.6 9 200 11250 200 21 7.2 19.7 | 155 19 -8.2 17.4 10 150 13160 185 17 1.5 16.9 | 136 20 -13.9 14.6 11 100 15850 170 13 -2.3 12.8 | 121 21 -17.7 10.5 12 70 18210 195 19 4.9 18.4 | 147 19 -10.5 16.1 13 50 20420 215 17 9.8 13.9 | 154 13 -5.7 11.6 14 30 23750 200 21 7.2 19.7 | 155 19 -8.2 17.4 15 20 26370 165 13 -3.4 12.6 | 119 21 -18.8 10.3 Wind Parameters Mean winds (0-6000m): 231.5 at 20.8 knts Storm direction: 261.5 at 15.6 knts Shear (0-3000m) pos: 3.5 neg: 0.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 108.0 deg Storm rel helicity (0-3000m) pos: 62.6 neg: 0.0 tot: 62.6 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.91 Bulk Shear: 21.96 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 ------------------------------------------------------------------------------- 500 231 8 106 10| 14.4 0.0 14.4| 40.6 0.0 40.6 81.3 0.58| 18.4 10.7 1000 237 11 120 7| 7.2 1.4 8.6| 43.5 0.0 43.5 43.5 0.58| 10.8 6.3 1500 234 12 133 7| 4.8 1.7 6.5| 48.5 0.0 48.5 32.3 0.61| 8.2 5.0 2000 233 14 145 7| 4.3 1.3 5.6| 54.9 0.0 54.9 27.4 0.64| 6.9 4.4 2500 234 15 156 7| 4.0 1.0 5.1| 61.5 0.0 61.5 24.6 0.66| 6.1 4.0 3000 234 17 165 8| 3.5 0.9 4.3| 62.6 0.0 62.6 20.9 0.66| 5.2 3.4 4000 234 18 176 8| 2.6 0.7 3.2| 62.6 0.0 62.6 15.7 0.66| 3.9 2.6 5000 235 19 182 9| 2.1 0.6 2.7| 62.6 -0.3 62.4 12.5 0.65| 3.2 2.0 6000 232 21 185 11| 1.7 1.6 3.3| 62.6 -21.1 41.6 6.9 0.36| 3.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250420.00.gif