Tag: Flooding

July 28

Dangerous Heat Indices – Toasty Olympics – Next Generation Wildfire Tracking Uses Satellites and AI

Heat Index Alert: Hottest Day of 2021? Based on predicted heat indices today will, in all probability, feel like the hottest day of the year. Unlike June, when we saw 90s (99F on June 5) with dry air, today’s upper 90s will be accompanied by a dew point in the 70s, making it feel as hot as 105-110F by late afternoon. Check on neighbors to make sure they are keeping cool. Don’t even consider leaving a child in a vehicle. In a matter of minutes on a day like today temperatures rise to 115-120F inside a car or truck. An...

July 26

Summer of Wild Weather Extremes – 25″ Rain in 24 Hours in China – “Pyrocumulus” Clouds Spell Trouble

US Drought Monitor Slight Severe Threat Today – 90s Return I have tried to connect the dots between a warming climate and increasingly extreme weather events for nearly 25 years. This summer has been a sobering Exhibit A. Drought in Minnesota and 40 percent of the USA at last count. LA-size fires in Oregon and wildfire smoke stretching coast to coast. 121F in Lytton, British Columbia, leveled by fire less than 2 days later. But nothing could prepare me for Zhengzhou, China, where 8 inches of rain fell in one HOUR, 24 inches (a year’s worth of rain) in 2...

July 21

Heat Builds Again Across USA – Importance of Wet Bulb Temperature – Las Vegas is America’s Driest City

All sharing options NOAA US Drought Monitor Drought Deepens in Minnesota – Watering Bans More Likely. Star Tribune reports; here’s an excerpt: “…With about half of Minnesota now in the grip of severe drought — and 4% in extreme drought — the state has officially shifted into the “drought warning phase,” the state Department of Natural Resources (DNR) announced Friday. The deepening drought is turning the summer into a sobering lesson in resource conservation. “This is time to remind ourselves about how valuable water is,” said Randall Doneen, the DNR’s manager of conservation assistance and regulations. “It really doesn’t look...

July 2

Expanding Drought – Keeping an Eye on “Elsa” – Why Many US Cities Weren’t Engineered for Extreme Heat

On The Cusp of Broiling. A full blown heat wave continues for most of the USA into mid-July, which isn’t shocking, considering the next 1-3 weeks is the hottest of the year for most of America, on average. It still appears the core of the heat may remain just south of Minnesota, but this is a low-confidence peek over the horizon. Sunniest June for MSP Since 1988Minnesota State Climatology Office Praedictix Briefing: Issued Thursday, July 1st, 2021: Elsa Has Formed. The system we mentioned in yesterdays briefing out in the Atlantic has continued to develop over the past 24 hours,...

May 27

Wet Snow in Late May? Will Hurricanes Further Disrupt Supply Lines – Using GPS Satellites to Alert for Quakes

3km NAM Rainfall by Friday Morningpivotalweather.com Today: The Definition of a Cold Rain May you live in interesting times, the proverb goes. I suspect it’s not a compliment. It may snow a little today, a few fat snowflakes amid chilling sheets of rain. Unusual? You ‘betcha! The record for latest flakes at MSP is May 28, 1965. The reality: snow has been reported (somewhere in Minnesota) every month of the year except July. I’m pretty sure if you go back far enough it has snowed in July, too.<p>It’s not your imagination. Weather extremes are trending more extreme over time, greater...

May 20

Epic Flooding Hits Louisiana – Lightning Tips – “Mr. Tornado” – EF5 Tornado Drought

NOAA A Very Healthy Respect For Lightning ”Thunder is good, thunder is impressive; but it is lightning that does all the work” wrote Mark Twain. Earth is giant battery, lightning strikes the ground 44 times per second. That equates to 3 million flashes every day. Sometimes people get in the way. Only 10 percent of lightning victims perish – the rest suffer from lifelong neurological problems. There are steps you can take to lower your risk. The “30-30 Rule” comes to mind. If you can count less than 30 seconds between a flash of lightning and bang of thunder, head...

May 19

Lightning Reminders – EF5 Tornado Drought – “Mr. Tornado” – Louisiana Flooding

NOAA A Very Healthy Respect For Lightning ”Thunder is good, thunder is impressive; but it is lightning that does all the work” wrote Mark Twain. Earth is giant battery, lightning strikes the ground 44 times per second. That equates to 3 million flashes every day. Sometimes people get in the way. Only 10 percent of lightning victims perish – the rest suffer from lifelong neurological problems. There are steps you can take to lower your risk. The “30-30 Rule” comes to mind. If you can count less than 30 seconds between a flash of lightning and bang of thunder, head...

April 20

Western USA Primed for Drought and Wildfires – Tornado Safety – Federal Reserve Considers Climate Risks

Spring on Indefinite PauseNOAA GSL Easing Drought Conditions in MinnesotaUS Drought Monitor Drought-Busting Rains. Last week’s soaker made a big difference in the drought index, but pockets of drought remain over far northwest and southwest Minnesota. Minnesota Drought Index TimelineJan Dutton, Twitter Statistically Due for a Drought? Meteorologist Jan Dutton forwarded me the graphic above, showing the last serious, statewide drought in 2013. Springs are trending wetter over time but late summers may be trending drier. Confidence levels for summer precipitation are low, but some long-range climate models suggest a hotter, drier summer for Minnesota and much of the USA....

man shoveling snow outside
December 17

Much of Northeast: More Snow Yesterday Than All of Last Winter

12KM NAM Future RadarNOAA and Tropical Tidbits.com Few Snow Showers Late Friday? Another anemic clipper pushes a band of snow showers across the state late Friday, possibly mixed with a little rain. The Edge of Numb. Moderately cold air lurks just to our north by the end of December, each inevitable Alberta Clipper bringing chunks of that chilly air south of the border. Will a mild, Pacific signal spill into January or are our relatively mild days numbered with a swing to much colder weather as we enter 2021. I suspect January will live up to its reputation. Briefing: Wednesday,...

July 10

Flood Frequency and Intensity is Increasing – Are You Factoring the Latest Trends?

A tropical storm named “Agnes” flooded my home in Lancaster, Pennsylvania in 1972; a traumatic event that ultimately led me to pursue a degree in meteorology at nearby Penn State. Many of us have a flood-related story or close encounter, and rising water is impacting more Americans with every passing year. There is precedent for concern: according to NOAA only extreme heat has claimed more American lives over the last 30 years. Inland Flooding On The Rise. In fact, flooding is the costliest natural disaster in the United States. It accounted for more than $268 billion in damage in 2017,...