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Storm Prediction Center ..SUMMARY... Widespread severe wind gusts are forecast from the Ozark region to the lower Ohio Valley today. Additionally, very large to giant hail and tornadoes will be possible from the Red River Valley northeastward to the Ozark Plateau. Damaging winds, large hail, and a couple tornadoes will also be possible across the Tennessee Valley, middle Ohio Valley, and portions of the Mid-Atlantic.
Very steep midlevel lapse rates will overlie a richly moist and strongly heated boundary layer containing upper 60s to mid 70s F surface dew points and 15-18 g/kg mean mixing ratios. This yields MLCAPE locally exceeding 6000 J/kg in forecast soundings southeast of the cold front and outflows, and east of the dryline, from the western Ozarks across eastern OK to the Red River, amidst effective-shear magnitudes of 45-55 kt. Such extreme instability is near record levels, based on historic soundings. The CAPE-shear parameter space appears comparable to a fast-developing, dryline-initiated supercell/tornado event on 26 May 1997 in eastern OK, but with the added risk this time of a derecho on the northeast side. Such extreme instability will support explosive growth of thunderstorms that do break the cap -- whether through forced ascent on a cold pool or front, or in any discrete to semi-discrete cells that can move off the dryline. Dryline-storm risk is conditional and more isolated due to the strong EML and related CINH, but also potentially dangerous with giant hail of 3-5 inches in diameter and significant tornadoes possible. By late evening, a swath of convection should extend from the Ohio Valley into southern OK and perhaps north TX, with the overall severe threat diminishing overnight. more here Severe Weather *Click pics to make larger and for loops.. SPC and GOES16
Tropics
There is 97 total SPC storm reports for Tuesday 5/23/2017. Farthest west was Texas with two long tracking lines of hail and wind reports. Largest hail was 2 1/2 inch in MCMULLEN, TX. Trees took out power-lines and blocked roads. Some structures were damaged, a school roof partially blown off and a tractor trailer blown over. BEE, TX was hit hard, a grain silo blew down., the Bonnie Plant Farm was damaged. Winds of 81kts were measured there. In trampoline vs power-poles, power-poles won.
There was 14 tornado reports. Two were weak land-spouts reported in fields in Illinois. 9 were in Georgia, mostly tree damage and power-lines, some homes damaged. A mobile home was shifted off it's foundation and a tractor trailer was flipped on I-75. In North Carolina 1 injury was reported when a mobile home was overturned in Bareskin Community SAMPSON, NC. The AUTRYVILLE VOLUNTEER FIRE DEPARTMENT was destroyed. TYRRELL, NC had crops flattened. Two barns were damaged in ROBESON, NC. The Storm Continues On
This storm coming to hopefully drench the Southeast has been leaving a trail of storm reports in it's wake. Starting in Mexico, several border towns lost electricity. At the boarder of Texas and Mexico in Loredo, TX up to 70mph winds were reported by spotters Sunday evening. The World Trade Bridge there, one of the busiest commercial border crossing spots into Mexico is expected to be closed due to the storm until next weekend. Some tractor trailers blew over, some port of entry roofs were lost and there was cosmetic damage done to the bridge. The bridge normally handles 15,000 trucks a day making the border crossing. Colombia Solidarity Bridge in Laredo is the closest bridge trucks are being diverted to, other bridges are in Eagle Pass, Pharr and Brownsville. There was one fatality when a 14 year old boy picked up an electrical wire downed by the storm. Trees were knocked down, there was scattered structural damage, including the roof of the Laredo fire station, along a 6 mile wide area of what was later determined to be straight line winds. Wind damage to mostly trees were reported on up into Mississippi. Hail up to 1 1/2" was also reported mostly in Texas. The hail got bigger on Monday as 1 3/4" fell in both Beckham, OK and Chaves, NM. Wind reports came in from Texas to South Carolina. Mostly knocking down trees and power lines.
Today's rain and weather should be more confined to Mississippi thru the Carolinas with more extending up from the Mississippi Valley. Tomorrow maybe more scattered across the South and East.
Winds of change are blowing strong here from drought, change in season and forces beyond reckoning. Most are finding their way through it, though not the winter garden. The dead snow peas and other winter fare are now mostly buried under a layer of fresh compost. Legumes fix nitrogen to the soil as their remains add it as well. In the dry weather the buried brown matter will help hold moisture. Anything green left the cow or I consumed.. Other losers are the grass, old oaks behind the barn and some of the local wildlife. Change isn't all bad: bitties hatched, sweet potatoes were started, as soon will be okra and watermelon. Turns out it was Busterpony that chewed threw the rope and broke the garden gate to consume the spring carrots.
Weather Ahead
Careful for the Fallout
Swirl Watching
It has been a memorable Hurricane Preparedness Week with Adrian, the earliest East Pacific Tropical Storm quickly pulling together and then dissipating. National Hurricane Center and NOAA had a busy week utilizing media to spread vital information to residents and disaster groups in preparation of the Atlantic Hurricane Season beginning June 1st. This year's preparedness steps are:
1. Determine your risk. 2. Develop an evacuation plan. 3. Assemble Disaster Supplies. 4. Secure an insurance check-up. 5. Strengthen your home. 6. Check on your neighbor. 7. Complete your written hurricane plan. For the full graphics and more information on competing these steps follow the link above. There was a webinar for the kids and some well done videos released, like this one..
The best part though was the Hurricane Awareness Tour. The Hurricanes Hunters along with some NHC forecasters took to the skies and landed in cites from the Caribbean to the East Coast to gather with local disaster officials, meteorologists and community service entities to get people prepared for the season ahead. I met up with the tour in Orlando, FL. It was a great opportunity to school children, see where all the recon data comes from and hear the stories behind some of the incidents seen in past data.
Tropics
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