UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 17 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1003 6 -20.1 -24.3 69 4.2 -20.6 210 5 252.8 252.9 252.3 254.3 0.53 1 1000 28 -19.7 -24.0 69 4.3 -20.3 210 7 253.4 253.5 252.9 254.9 0.55 2 975 217 -16.5 -21.3 66 4.8 -17.3 216 13 258.5 258.6 257.5 260.5 0.71 3 937 522 -6.3 -13.3 58 7.0 -8.2 227 22 271.9 272.1 268.6 276.0 1.46 4 925 622 -7.5 -15.5 53 8.0 -9.5 230 25 271.6 271.8 268.1 275.1 1.23 5 863 1158 -11.7 -20.7 47 9.0 -13.5 222 28 272.7 272.8 268.1 275.2 0.85 6 850 1274 -12.1 -20.1 51 8.0 -13.7 220 29 273.5 273.6 268.7 276.1 0.91 7 786 1869 -15.5 -28.5 32 13.0 -17.5 202 27 276.0 276.1 269.5 277.4 0.46 8 700 2733 -21.3 -26.3 64 5.0 -22.1 175 25 278.9 279.0 271.6 280.8 0.64 9 673 3022 -22.9 -27.8 64 4.9 -23.6 175 27 280.3 280.4 272.3 282.0 0.58 10 650 3276 -24.5 -29.5 63 5.0 -25.1 175 28 281.3 281.3 272.8 282.8 0.51 11 619 3632 -24.7 -30.7 57 6.0 -25.5 175 30 285.0 285.1 274.8 286.5 0.48 12 500 5150 -35.7 -43.7 44 8.0 -36.2 175 40 289.5 289.5 276.7 290.0 0.16 13 479 5446 -37.3 -45.3 43 8.0 -37.7 176 42 291.1 291.1 277.4 291.6 0.14 14 400 6660 -47.9 -56.9 35 9.0 -48.1 180 52 292.7 292.7 278.1 292.9 0.04 15 385 6911 -50.5 -59.5 34 9.0 -50.7 180 53 292.5 292.5 278.0 292.7 0.03 16 364 7275 -52.5 -61.5 33 9.0 -52.7 180 54 294.6 294.6 278.9 294.7 0.03 17 362 7311 -52.3 -61.3 33 9.0 -52.4 180 54 295.3 295.3 279.3 295.4 0.03 18 320 8117 -48.1 -58.1 31 10.0 -48.4 167 35 311.7 311.8 286.0 311.9 0.05 19 302 8497 -50.7 -61.7 26 11.0 -50.9 161 26 313.3 313.3 286.5 313.4 0.03 20 300 8540 -50.1 -61.1 26 11.0 -50.3 160 25 314.7 314.7 287.1 314.9 0.03 21 250 9750 -45.3 -61.3 15 16.0 -45.9 180 23 338.7 338.7 294.0 338.9 0.04 22 234 10191 -43.3 -61.3 12 18.0 -44.0 184 22 348.2 348.2 296.3 348.4 0.04 23 228 10365 -44.3 -63.3 10 19.0 -45.0 186 21 349.3 349.3 296.5 349.4 0.03 24 200 11240 -44.1 -65.1 8 21.0 -44.9 195 19 362.9 362.9 299.3 363.1 0.03 25 183 11835 -45.9 -68.9 6 23.0 -46.7 190 18 369.4 369.4 300.5 369.4 0.02 26 160 12736 -42.9 -67.9 5 25.0 -44.1 183 16 388.9 388.9 303.6 389.0 0.03 27 150 13170 -45.3 -69.3 5 24.0 -46.3 180 15 392.0 392.0 304.1 392.1 0.02 28 100 15860 -48.1 -73.1 4 25.0 -49.2 180 13 434.8 434.8 309.4 434.9 0.02 29 89 16622 -51.1 -75.1 4 24.0 -52.0 183 13 443.5 443.5 310.3 443.6 0.02 30 70 18180 -51.3 -75.3 4 24.0 -52.4 190 13 474.6 474.6 313.0 474.8 0.02 31 67 18466 -50.3 -75.3 4 25.0 -51.5 195 12 482.8 482.8 313.7 482.9 0.02 32 56 19628 -54.1 -78.1 4 24.0 -55.1 213 10 499.5 499.5 314.9 499.6 0.02 33 54 19863 -52.1 -76.1 4 24.0 -53.4 217 10 509.4 509.4 315.6 509.5 0.02 34 50 20360 -53.7 -77.7 4 24.0 -54.8 225 9 516.9 516.9 316.1 517.0 0.02 35 44 21180 -56.1 -80.1 3 24.0 -57.1 222 10 530.3 530.3 316.9 530.4 0.01 36 39 21953 -53.5 -77.5 4 24.0 -54.9 220 11 555.5 555.5 318.4 555.7 0.03 37 38 22120 -56.1 -79.1 4 23.0 -57.2 220 11 553.0 553.0 318.3 553.2 0.02 38 30 23620 -57.7 -80.7 4 23.0 -58.9 215 13 587.3 587.3 320.0 587.5 0.02 39 24 25029 -58.1 -81.1 4 23.0 -59.5 240 11 624.9 624.9 321.7 625.1 0.02 40 20 26190 -54.1 -78.1 4 24.0 -56.5 260 9 670.6 670.6 323.4 670.9 0.05 41 17 27241 -50.3 -75.3 4 25.0 -54.0 242 10 714.7 714.7 324.9 715.4 0.08 42 12 29528 -47.5 -73.5 3 26.0 -53.2 205 12 799.4 799.5 327.3 801.0 0.15 43 10 30750 -40.9 -67.9 4 27.0 -50.2 185 13 866.9 867.1 328.8 871.3 0.41 44 8.2 32104 -39.5 -66.5 4 27.0 -50.4 923.0 923.4 330.0 930.1 0.61 TRP 362 7311 -52.3 -61.3 33 9.0 -52.4 180 54 295.3 295.3 279.3 295.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 52.57 % Est. max temperature: 0.38 C = 32.68 F Sfc-Lift cond lev (LCL): 935.80 mb = 531.54 m = 1743.86 ft T: -6.42 C 700-500 lapse rate: 5.96 C/km ThetaE index: 0.83 C Layer 925.0- 863.0 mb Conv cond level (CCL): 1000.00 mb = 28.00 m = 91.86 ft Mean mixing ratio: 1.01 g/kg Conv temperature: -16.75 C = 1.85 F Cap Strength: 15.53 C Lifted Index: 17.98 C Risk: None Lifted Index @300 mb: 33.32 C Lifted Index @700 mb: 11.02 C Showalter Index: 11.27 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 15.60 C K Index: -1.50 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 2.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.14 J/kg Max Up Vert Vel: 12.26 m/s Conv Inhibition (B-): 87321.08 J/kg Cap Strength: 17.80 C Lift Cond Lev (LCL): 868.84 mb = 1105.70 m = 3627.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 23 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 1003 6 210 5 2.5 4.3 | 39 18 -11.3 -14.0 1 1000 28 210 7 3.5 6.1 | 40 16 -10.3 -12.3 2 925 622 230 25 19.2 16.1 | 293 6 5.4 -2.2 3 850 1274 220 29 18.6 22.2 | 231 6 4.9 3.9 4 700 2733 175 25 -2.2 24.9 | 112 17 -15.9 6.6 5 500 5150 175 40 -3.5 39.8 | 141 28 -17.3 21.5 6 400 6660 180 52 0.0 52.0 | 158 36 -13.8 33.7 7 362 7311 180 54 0.0 54.0 | 159 38 -13.8 35.7 8 300 8540 160 25 -8.6 23.5 | 103 23 -22.3 5.2 9 250 9750 180 23 0.0 23.0 | 109 15 -13.8 4.7 10 200 11240 195 19 4.9 18.4 | 90 9 -8.9 0.0 11 150 13170 180 15 0.0 15.0 | 76 14 -13.8 -3.3 12 100 15860 180 13 0.0 13.0 | 69 15 -13.8 -5.3 13 70 18180 190 13 2.3 12.8 | 64 13 -11.5 -5.5 14 50 20360 225 9 6.4 6.4 | 32 14 -7.4 -12.0 15 30 23620 215 13 7.5 10.6 | 39 10 -6.3 -7.7 16 20 26190 260 9 8.9 1.6 | 16 17 -4.9 -16.8 17 10 30750 185 13 1.1 13.0 | 67 14 -12.6 -5.4 Wind Parameters Mean winds (0-6000m): 186.9 at 30.6 knts Storm direction: 216.9 at 22.9 knts Shear (0-3000m) pos: 2.9 neg: 3.7 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 78.3 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -62.1 tot: -55.1 m^2/s^2 ave: -18.4 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -5.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.32 Bulk Shear: 57.12 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 ------------------------------------------------------------------------------- 500 222 14 29 9| 17.2 0.0 17.2| 1.2 -9.6 -8.5 -16.9 -0.35| 17.7 -6.3 1000 226 20 355 5| 8.6 3.1 11.7| 1.2 -18.5 -17.3 -17.3 -0.53| 12.6 -6.6 1500 223 23 319 3| 5.7 3.1 8.8| 1.2 -27.6 -26.5 -17.6 -0.62| 10.5 -6.5 2000 218 24 250 1| 4.3 3.4 7.7| 1.2 -39.8 -38.6 -19.3 -0.67| 9.8 -6.6 2500 213 24 163 2| 3.4 3.7 7.2| 1.2 -54.8 -53.6 -21.4 -0.67| 9.3 -6.2 3000 207 25 143 4| 2.9 3.7 6.5| 6.9 -62.1 -55.1 -18.4 -0.62| 8.6 -5.3 4000 197 26 136 9| 2.2 3.3 5.4| 32.1 -62.1 -30.0 -7.5 -0.46| 7.2 -3.3 5000 191 28 137 13| 1.7 3.1 4.9| 57.2 -62.1 -4.8 -1.0 -0.35| 6.4 -2.3 6000 187 31 140 16| 2.0 2.6 4.6|102.4 -62.1 40.4 6.7 -0.23| 6.0 -1.4 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250417.00.gif