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Category: National and World

Rainfall Collection from SC

| 4:02 pm October 4, 2015

Saw this in my rambling around the Internet today, and I thought I would share it with blog readers. Incredible rainfall amounts with 21.04″ in near Huger, SC, 24.23″ near Mount Pleasant, SC, 22.47″ near Shadowmoss, SC, and 20.37″ near Charleston to name some of the highest amounts.

And to make matters worse, there are reports of a dam collapse at Semmes Lake which is at Fort Jackson, SC, near Columbia, SC. No idea of the size of the dam, but that’s just one more thing the DO NOT NEED!!


NOUS42 KCHS 041540

1140 AM EDT SUN OCT 4 2015


********************STORM TOTAL RAINFALL********************

                     RAINFALL           OF
                     /INCHES/   MEASUREMENT


   2 SE ALLENDALE        2.61   600 AM 10/04  COCORAHS

   4 N HILTON HEAD ISLA  5.77   700 AM 10/04  COCORAHS
   4 NNE BEAUFORT        5.47   839 AM 10/04  COCORAHS
   3 N BEAUFORT          5.30   700 AM 10/04  COCORAHS
   2 NNE BLUFFTON        2.15   700 AM 10/04  COCORAHS
   6 WNW BLUFFTON        2.04   700 AM 10/04  COCORAHS

   3 NNE HUGER          21.04   900 AM 10/04  USGS SITE
   1 NNW LIMERICK       19.71   900 AM 10/04  RAWS
   5 NNW HUGER          18.32   429 AM 10/04  STORM TOTAL
   4 E MONCKS CORNER    17.02   800 AM 10/04  COCORAHS
   1 SSW WANDO          16.90   800 AM 10/04  COCORAHS
   3 NW BONNEAU         16.71  1030 AM 10/04  COCORAHS
   3 NE MONCKS CORNER   16.17   700 AM 10/04  COCORAHS
   1 SSW DANIEL ISLAND  15.67   830 AM 10/04  COCORAHS
   1 SSE HANAHAN        15.30   900 AM 10/04  COCORAHS
   7 SW MONCKS CORNER   15.08   800 AM 10/04  COCORAHS
   1 N HANAHAN          14.39   945 AM 10/04  COCORAHS
   3 NE SUMMERVILLE     13.75   900 AM 10/04  COCORAHS
   4 NE SUMMERVILLE     13.36   700 AM 10/04  COCORAHS
   5 WNW GOOSE CREEK    12.96   700 AM 10/04  COCORAHS
   5 E GOOSE CREEK      12.79   900 AM 10/04  USGS SITE

   6 NE MOUNT PLEASANT  24.23   700 AM 10/04  COCORAHS
   3 SSW SHADOWMOSS     22.47   900 AM 10/04  COCORAHS
   5 SSE CHARLESTON     20.37   800 AM 10/04  COCORAHS
   2 S CHARLESTON       17.04   700 AM 10/04  COCORAHS
   2 NNW GARRIS LANDING 17.03   427 AM 10/04  STORM TOTAL
   3 ENE CHARLESTON     16.88   900 AM 10/04  COCORAHS
   1 E CHARLESTON       16.84   700 AM 10/04  COCORAHS
   CHARLESTON AIRPORT   16.61   900 AM 10/04  ASOS
   6 NW CHARLESTON      16.52   800 AM 10/04  COCORAHS
   NWS CHARLESTON SC    16.49   700 AM 10/04  COCORAHS
   3 NE CHARLESTON      16.46   700 AM 10/04  COCORAHS
   4 ESE NORTH CHARLEST 16.32   823 AM 10/04  COCORAHS
   2 ESE MOUNT PLEASANT 16.16   711 AM 10/04  COCORAHS
   2 NE JOHNS ISLAND    15.91   730 AM 10/04  COCORAHS
   2 NE KIAWAH ISLAND   15.69   800 AM 10/04  COCORAHS
   4 N NORTH CHARLESTON 15.33   900 AM 10/04  COCORAHS
   3 NNE CHARLESTON     15.14   745 AM 10/04  COCORAHS
   5 SW AWENDAW         15.02   723 AM 10/04  RAWS
   CHARLESTON           14.74   930 AM 10/04  OFFICIAL NWS OBS
   5 WNW CHARLESTON     14.74   600 AM 10/04  COCORAHS
   1 WSW MOUNT PLEASANT 14.37   800 AM 10/04  COCORAHS
   1 SW MOUNT PLEASANT  14.26   640 AM 10/04  COCORAHS
   CHARLESTON INTERNATI 14.22   756 AM 10/04  ASOS
   2 SSW WADMALAW ISLAN 14.02   800 AM 10/04  COCORAHS
   1 ESE MCCLELLANVILLE 13.88   800 AM 10/04  COCORAHS
   2 WSW CHARLESTON     13.88   700 AM 10/04  COCORAHS
   3 E MOUNT PLEASANT   13.78   700 AM 10/04  COCORAHS
   ESE MCCLELLANVILLE   13.78   630 AM 10/04  COCORAHS
   2 WNW RAVENEL        12.02   700 AM 10/04  COCORAHS
   2 W MEGGETT          11.77   745 AM 10/04  COCORAHS
   2 S MOUNT PLEASANT   11.70   800 AM 10/04  COCORAHS

   3 ENE WALTERBORO      7.87   800 AM 10/04  COCORAHS
   2 ENE WALTERBORO      7.57   707 AM 10/04  RAWS
   3 NNW WALTERBORO      7.37   700 AM 10/04  COCORAHS
   3 SW LODGE            6.31   700 AM 10/04  COCORAHS
   8 NE YEMASSEE         5.29   700 AM 10/04  COCORAHS
   ESE SMOAKS            5.08   600 AM 10/04  COCORAHS

   3 NW SUMMERVILLE     17.23   700 AM 10/04  COCORAHS
   1 SSW SUMMERVILLE    15.86   800 AM 10/04  COCORAHS
   2 N SUMMERVILLE      15.16   700 AM 10/04  COCORAHS
   2 W SUMMERVILLE      14.65   700 AM 10/04  COCORAHS
   7 S RIDGEVILLE       13.62   700 AM 10/04  COCORAHS
   SUMMERVILLE 4W       14.75   700 AM 10/04  CO-OP OBSERVER

   1 SW HAMPTON          3.19   700 AM 10/04  COCORAHS
   2 SSW BRUNSON         2.16   700 AM 10/04  COCORAHS


   11 WSW SAVANNAH       2.40   900 AM 10/04  COCORAHS

   MILLHAVEN             2.22   700 AM 10/04  USGS
   1 SSE NEWINGTON       2.07   700 AM 10/04  COCORAHS


Radar View of Joaquin

| 3:16 pm October 4, 2015

While we are mostly interested in the weather in Central Alabama, it’s always interesting to peek in on other places that are having weather. And let’s be honest, our interest is usually piqued when the weather in those other locations is bad. So today there is a lot of interest in South Carolina with their epic flooding and in Bermuda as Hurricane Joaquin slips by the island just to the west.

So I thought blog viewers might be interested in the radar view of Joaquin from the Doppler radar located at the L.F.Wade International Airport in Bermuda. The radar is an S-Band Meteor 1500S built by AMS Gematronik purchased by the Department of Airport Operation and is operated by the Bermuda Weather Service.

Bermuda radar view of Joaquin

As you might imagine, the weather in Bermuda is horrible. This afternoon, about 90 minutes ago, they reported an ESE wind at 39 mph gusting to 51 mph. Highest gust this afternoon has been 55 mph. The pressure has been falling all afternoon as Joaquin traverses the ocean just west of Bermuda and the latest report was 29.36 inches or 994 millibars.

Looking at the radar image, it appears Joaquin should be due west of Bermuda in about 2 to 3 hours with the eastern most eye wall about 80 km from the radar site.


PS I updated this to include a satellite image of Joaquin with Bermuda marked on the map (small black mark just east of Joaquin) for some perspective.

Screen Shot 2015-10-04 at 3.36.02 PM

South Carolina Flooding

| 11:56 am October 4, 2015

Twitter and Facebook are filled with pictures of the flooding which is going on in South Carolina this morning. Once again the NWS offices in South Carolina have prepared a map of that state from actual rainfall observations received through 7 am today.


The area shown in red up to purple represents rainfall values for the previous 96 hours of 10 inches plus and runs roughly from Columbia southeastward to the coast just northeast of Charleston. And unfortunately the rain continues to fall!


This is the image from the Columbia, SC, NWS radar taken at 11:38 am and rain runs in a wide band from Columbia slightly south of east to Myrtle Beach. Motion of these echoes was toward the west. So the flooding problems for South Carolina are just going to get worse. And keep in mind, while the initial flooding problems are coming from what I would term flash flooding, the problem is going to last for days and days because all of this water has got to go into the larger rivers which will create additional flooding problems for some time to come.


Tonight’s Forecast: Clear With a Good Chance of Showers (Meteor Showers)

| 6:30 am August 12, 2015

Every August, we have the opportunity to see the Perseid meteor shower as the earth crosses paths with the Comet Swift-Tuttle.  The Perseid meteor shower peaks tonight (August 12) to tomorrow night (August 13).

8-11-2015 12-14-02 PM perseid

This year’s event promises to be more spectacular than ever!  This year, the showing will happen just before the new moon, making the night skies darker than usual.  “If you see one meteor shower this year, make it August’s Perseids or December’s Geminids,” NASA recommends.  “The Perseids feature fast and bright meteors that frequently leave trains, and in 2015 there will be no moonlight to upstage the shower.”

The Perseids are named after the constellation Perseus, which is where the meteors appear to originate in the sky. These meteors are actually tiny pieces of debris from the Comet Swift-Tuttle — usually smaller than a piece of sand. As the debris enters the earth’s atmosphere at about 130,000 mph, it disintegrates and creates streaks of light. The Perseid meteor shower “produces more fireballs than any other,” according to Bill Cooke of NASA’s Meteroid Environment Office. Since 2008, the Perseids have produced brighter and significantly more fireballs than any other annual meteor shower.

8-11-2015 12-38-33 PM fireball

The best time to see this meteor shower is between 10:30 p.m. and 4:30 a.m., with optimal viewing in the dark hours before sunrise when the constellation Perseus is high in the sky. The number of visible meteors will increase after midnight through the pre-dawn hours. Observers could see up to 100 shooting meteors per hour! Those in rural areas away from urban lights will have the best viewing experience.

The weather will be absolutely perfect for this year’s event here in Alabama. Nearly completely clear skies, with less haze and lower temperatures (falling into the 60s) and relatively low humidity will delight late night star gazers tonight. Tomorrow night will be nearly as good, with just a few more clouds.

Viewing conditions nationally will be generally good from a weather standpoint. Only the Florida Peninsula, Rocky Mountain Region and areas areas immediately along the West Coast and Gulf Coast will have thicker cloud cover. Thursday night will be socked in across the Pacific Northwest, so viewers in places like Seattle and Portland may not get to see the show that night.

If you are unable to get outdoors to see this magical show in person, you can see it on NASA TV or NASA’s UStream channel, as NASA’s Marshall Space Flight Center in Huntsville will broadcast a live program about this year’s Perseid meteor shower from 10 p.m. EDT Wednesday, Aug. 12 to 2 a.m. Thursday, Aug. 13. This may be the best year ever to experience this stellar event!

Storms Approaching Northwest Alabama

| 2:29 pm June 19, 2015

The surface low that is the remnant of Tropical Storm Bill is still very well defined this afternoon over southern Missouri, approaching Cape Girardeau. There are distinct “feeder bands” or spokes of vorticity rotating around the system. One thin line of storms is approaching Northwest Alabama at this hour.

19 jun current_anim_ark

The convection will be into Northwest Alabama in about 90 minutes to 2 hours. The mesoscale models have been predicting that this convection will die out as it approaches the state, but I have a feeling that it will hold together as it continues to plow through moderately unstable air given the fairly strong forcing from the low.

Additional convection develop and/or move into Alabama later this evening and Saturday morning.

Winds have been gusty to the east and southeast of the low center over Arkansas, western Tennessee and northwestern Mississippi Winds gusted to 34 mph at Germantown TN near Memphis at 1:30 p.m. and have been consistently gusting above 25 mph in this area. Winds will start to pick up a little this evening over North Alabama, averaging over 10 mph through the overnight hours.

You Know It’s a Bad Day When…

| 8:42 pm June 17, 2015

…You are in Oklahoma and you see Val Castor drive up. I looked up leaving dinner tonight in flooded Ardmore OK and there he was.


It is the Sooner State equivalent of Jim Cantore showing up.

Should have asked him to be on WeatherBrains!

He was here for this: