LOCAL WEATHER CONDITIONS AT Franklin, Venango Regional Airport Temperature 44.6 F / 7 C Wind Chill 41 F / 6 C Dew Point 42.8 F / 6 C Humidity 93% Wind Speed 5.8 Wind Direction WNW 300 Degrees Visibility 10 Miles Sky Conditions overcast at 900 feet Current Weather Barometer 30.06 Inches Issued At 05/24/2025 06:29 $$ |
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ACUS01 KWNS 240536 SWODY1 SPC AC 240535 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1235 AM CDT Sat May 24 2025 Valid 241200Z - 251200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE SOUTHERN PLAINS TO THE SOUTHEAST... ...SUMMARY... Severe storms are possible across part of the southern Plains to the Southeast today. Severe wind gusts, large hail and perhaps a couple tornadoes are expected. Hailstones greater than 2 inches in diameter could also occur. Isolated severe storms will also be possible across parts of the central High Plains and south Florida. ...Southern Plains to Southeast... Large-scale pattern will not change appreciably today as upper troughing remains established over the Great Lakes/Northeast, and across the Great Basin. As a result, neutral-weak height rises are forecast across much of the CONUS. Latest model guidance suggests mid-level ridging will be the dominant feature across the High Plains, with west-northwesterly flow expected to extend downstream into the central Gulf States region. This flow regime warrants caution regarding predictability as warm-advection clusters will likely be noted through the period along this corridor. Despite the unpredictability of these clusters, substantial convective overturning and boundary-layer disruption are expected. Early this morning, several convective clusters continue, or have developed, from Kansas into northern Arkansas. Some of this activity is a continuation of late-day initiation across the High Plains, while newer development is due to increasing low-level warm advection across central Oklahoma into the Ozarks. Much of this activity may be ongoing at the start of the day1 period. If adequate LLJ is maintained into the mid-South, an MCS may ultimately evolve and propagate across this region. A secondary, perhaps more significant, scenario is for diurnally enhanced development along a front/dry line that should extend across OK into the TX South Plains. Strongest boundary-layer heating is expected across west Texas into southwest Oklahoma. This should result in convective temperatures being breached by late afternoon. Steep lapse rates and strong buoyancy favor robust updrafts and potential supercell development. Very large hail would be the greatest concern, though a tornado can not be ruled out. ...CO/WY... Isolated strong/severe thunderstorms may develop against the higher terrain of the eastern slopes this afternoon, where upslope flow remains favorably moist. While buoyancy is not forecast to be that significant, adequate shear favors some supercell concern. ...South Florida... Seasonally cool mid-level temperatures persist across the southern Peninsula today. In the absence of large-scale changes, robust convection is once again expected as temperatures warm into the early afternoon. Sea breeze interactions will prove instrumental in this development, and the strongest storms will pose at least some risk for wind gusts and hail. ..Darrow/Thornton.. 05/24/2025 $$ |