Dr. Jeff Masters' WunderBlog

Floods kill 16 in Arkansas; dozens missing
Posted by: Dr. Jeff Masters, 4:24 PM GMT on June 11, 2010 +2
Heavy rains in excess of seven inches fell over southwestern Arkansas overnight, triggering flash floods that killed at least sixteen people in Caddo Gap, in the rugged Ouachita Mountains. Forty people are missing, with dozens injured. The closest weather station to the disaster is Mount Ida, which recorded 7.16" of rain over the past 48 hours. The USGS is reporting that the Caddo River in Caddo Gap rose from 8.4 feet at 3am CDT to 25.39 feet in just five hours, reaching the 2nd highest flood height on the river since records began in 1989. The Little Missouri River west of Caddo Gap rose 20 feet overnight, from 3 feet to 23.5 feet. The previous highest flood in the 22-year record at this location was just 14.66 feet, set in 2008. You can look at local rainfall amounts and river flood levels in the region using our wundermap with the "USGS River" layer turned on.

Andy Revkin at the New York Times has a blog worth reading on the disaster.


Figure 1. Radar estimated rainfall for June 9 - 11 over Southwest Arkansas. Rainfall amounts in excess of eight inches are indicated for Caddo Gap, where today's flood disaster occurred.

Oil spill update
Southeast to south winds of 10 - 15 knots will blow today through Saturday, according to the latest marine forecast from NOAA. These winds will keep oil near the shores of Louisiana, Alabama, Mississippi, and the extreme western Florida Panhandle, according to the latest trajectory forecasts from NOAA and the State of Louisiana. The winds become light an variable Sunday through Tuesday, which will result in little movement of the spill. The long range 8 - 16 day forecast from the GFS model indicates a continued regime of light winds, mostly out of the south or southeast. This wind regime will likely push oil onto sections of the eastern Louisiana coast during the period 1 - 2 weeks from now.


Figure 2. The oil spill as imaged on June 10, 2010, by NASA's Aqua satellite.

Oil spill resources
My post, What a hurricane would do the Deepwater Horizon oil spill
NOAA's fact sheet on Hurricanes and the Oil Spill
My post on the Southwest Florida "Forbidden Zone" where surface oil will rarely go
My post on what oil might do to a hurricane
Oil trajectory forecasts from NOAA
Gulf Oil Blog from the UGA Department of Marine Sciences
Oil Spill Academic Task Force
University of South Florida Ocean Circulation Group oil spill forecasts
Synthetic Aperture Radar (SAR) imagery from the University of Miami

The tropical Atlantic is quiet right now, with no models predicting tropical cyclone development over the next seven days. I'll have a new post either Saturday or Monday.

Jeff Masters
Wicked sky (vanpet)
Storm front pushing through jacksonville Arkansas!
Wicked sky
flash flood russellville arkansas friday june 11th 2010 (yfoog)
flash flood russellville arkansas friday june 11th 2010
flash flood russellville arkansas friday june 11th 2010
Categories: Flood
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2302. taco2me61 12:23 AM GMT on June 13, 2010    
Quoting SouthALWX:
Looks good to me .. I say this is Alex in a little while. If it can pump up the anticyclone over it it might be able to slip under the roughest shear to its north. looking at WV imagery I think it might stand a chance
agree too
Member Since: July 7, 2005 Posts: 6 Comments: 2763
2304. Stormchaser2007 12:24 AM GMT on June 13, 2010    
Quoting Drakoen:


That is correct


Sorry, meant to include a question mark.

On my phone.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
2306. amd 12:25 AM GMT on June 13, 2010    
Despite 92L being south of 10 degrees north, I see possible development with this system for three key reasons.

1) water temperatures around 92L are 83 degrees Fahrenheit (or above 28 degrees Celsius), so it has plenty of warm water to eventually organize and develop.

Buoy 13551 just north of 92L's position

2) If the shear maps from CIMSS are correctly, there is only about 10 kts of shear currently under 92L.

3) Third, an anti-cyclone very close-by is providing excellent outflow.

Updated CIMSS East Atlantic Shear
Member Since: August 29, 2005 Posts: 0 Comments: 1024
2307. CaicosRetiredSailor 12:25 AM GMT on June 13, 2010    
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2308. Cavin Rawlins 12:25 AM GMT on June 13, 2010    
A more southerly tracks favors intensification

Member Since: July 24, 2005 Posts: 407 Comments: 19076
2309. MrstormX 12:25 AM GMT on June 13, 2010    
Quoting StormW:
Anybody know why 92L isn't showing on the Navy site?


Not sure, I think it is in the directory though.
Member Since: May 27, 2009 Posts: 0 Comments: 4232
2310. taco2me61 12:25 AM GMT on June 13, 2010    
Quoting StormW:
Anybody know why 92L isn't showing on the Navy site?
Not sure storm, Just maybe they have not gotten the memo yet....

Taco :o)
Member Since: July 7, 2005 Posts: 6 Comments: 2763
2312. IKE 12:26 AM GMT on June 13, 2010    
There was nothing in the eastern ATL that looked that good in mid-June 2009. Impressive invest.
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2314. Cavin Rawlins 12:26 AM GMT on June 13, 2010    
Quoting StormW:
Anybody know why 92L isn't showing on the Navy site?


Check their back up site...
Member Since: July 24, 2005 Posts: 407 Comments: 19076
2315. MrstormX 12:26 AM GMT on June 13, 2010    
Member Since: May 27, 2009 Posts: 0 Comments: 4232
2316. stormwatcherCI 12:26 AM GMT on June 13, 2010    
Quoting StormW:
Anybody know why 92L isn't showing on the Navy site?
I have been checking and I was wondering the same thing. Weird.
Member Since: October 9, 2008 Posts: 0 Comments: 8040
2317. masonsnana 12:26 AM GMT on June 13, 2010    
Quoting HaboobsRsweet:

There is no way they will name it soon when only showing 20% chance right now. Plus they are going to give it a day or two to see if it stays south and survives shear. then maybe they will start thinking about flying into it if it shows potential. Then maybe just maybe it will be named but I doubt it at the moment.
It was at 0% this morning, things happen
Member Since: February 14, 2004 Posts: 2 Comments: 513
2318. HaboobsRsweet 12:26 AM GMT on June 13, 2010    
Quoting WinterAnalystwx13:


And you may be the only one...

I am not saying it wont become Alex but not in the next 12-24 hours like some say. Lets think like the NHC thinks. They rarely jump from yellow to a named TS. People saying t will be Alex by tomorrow is almost crazy. That means it passes TD status also.
Member Since: May 20, 2009 Posts: 0 Comments: 1640
2319. HaboobsRsweet 12:27 AM GMT on June 13, 2010    
Quoting masonsnana:
It was at 0% this morning, things happen

Great so in 12 hours they went form 0% to 20%. On that pace it will be another 2.5 days before it is a TD haha.
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2320. Stormchaser2007 12:28 AM GMT on June 13, 2010    
I'd say a TD is probable by 5pm tomorrow if 92L can keep it up. Most impressive invest since 2008.

Member Since: June 9, 2007 Posts: 4 Comments: 15248
2321. will45 12:28 AM GMT on June 13, 2010    
Quoting StormW:
Anybody know why 92L isn't showing on the Navy site?


Link


Its here StormW
Member Since: July 18, 2009 Posts: 1 Comments: 994
2322. MiamiHurricanes09 12:29 AM GMT on June 13, 2010    
Quoting Baltimorebirds:
You think it has a chance to reach moderate tropical storm status?
If it does a track similar to what the BAMM is depicting it could reach hurricane strength. Do I think this will happen? Time will tell.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
2324. masonsnana 12:29 AM GMT on June 13, 2010    
Quoting HaboobsRsweet:

Great so in 12 hours they went form 0% to 20%. On that pace it will be another 2.5 days before it is a TD haha.
You missed the point, but that ok
Member Since: February 14, 2004 Posts: 2 Comments: 513
2325. MiamiHurricanes09 12:30 AM GMT on June 13, 2010    
Quoting Stormchaser2007:
I'd say a TD is probable by 5pm tomorrow if 92L can keep it up. Most impressive invest since 2008.

TD status by morning, that's my call.
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2328. Drakoen 12:31 AM GMT on June 13, 2010    
Usually this time of year we have great issues with dry air but that does not appear to be the case this year.

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2329. Cavin Rawlins 12:31 AM GMT on June 13, 2010    
Quoting Stormchaser2007:
I'd say a TD is probable by 5pm tomorrow if 92L can keep it up. Most impressive invest since 2008.



lol....Fred and Bill were impressive invests....
Member Since: July 24, 2005 Posts: 407 Comments: 19076
2330. Pipewhale 12:31 AM GMT on June 13, 2010    
Quoting MrstormX:


Not sure, I think it is in the directory though.


I was thinking the same thing. If you click at the top where it says "All" it turns up. But it was lacking images and information.
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2331. Cavin Rawlins 12:32 AM GMT on June 13, 2010    
At the current rate of organization, assuming it continues, 2.5 days is too long...24 hrs seems likely under this assumption.
Member Since: July 24, 2005 Posts: 407 Comments: 19076
2332. Stormchaser2007 12:32 AM GMT on June 13, 2010    
Quoting MiamiHurricanes09:
TD status by morning, that's my call.


Unlikely.

It may go up to 50-60% by 8am or 2pm.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
2333. HaboobsRsweet 12:32 AM GMT on June 13, 2010    
Quoting masonsnana:
You missed the point, but that ok

I didnt miss the point but everyone is so fast to increase this storm. NHC will not make a call until they get more data and more information. Shoot the models havent even intialized on this yet. I expect orange in the morning and maybe maybe red by afternoon. At that point we will have a better idea of whether or not this thing really has a shot or not. I am just being realistic.
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2334. MiamiHurricanes09 12:33 AM GMT on June 13, 2010    
Quoting Stormchaser2007:


Unlikely.

It may go up to 50-60% by 8am or 2pm.
We'll see. Lol, but your prediction sounds better.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
2336. MiamiHurricanes09 12:34 AM GMT on June 13, 2010    
Member Since: September 2, 2009 Posts: 129 Comments: 19976
2339. wdtcnewsonlinewx 12:34 AM GMT on June 13, 2010    
Ahh.! Invest 92L. My day has been made!
Member Since: June 1, 2010 Posts: 0 Comments: 82
2340. Levi32 12:34 AM GMT on June 13, 2010    
Quoting Weather456:
At the current rate of organization, assuming it continues, 2.5 days is too long...24 hrs seems likely under this assumption.


I agree.
Member Since: November 24, 2005 Posts: 586 Comments: 25459
2341. HaboobsRsweet 12:34 AM GMT on June 13, 2010    
Quoting Weather456:
At the current rate of organization, assuming it continues, 2.5 days is too long...24 hrs seems likely under this assumption.

Haha yea I agree...I was just kidding. he said things happen sicne it went form 0 to 20 today in 12 hours. I think we may see TD out of this but I really need more data before I go out on a limb to say this will be Alex in the next 2-3 days.
Member Since: May 20, 2009 Posts: 0 Comments: 1640
2342. Drakoen 12:35 AM GMT on June 13, 2010    
Quoting SiestaKeySam:
WOW, ogoring the trolls really does work, go figure, who knew, ^_^. Me likem lol.


Can you see your own posts?
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2343. JLPR2 12:35 AM GMT on June 13, 2010    
Quoting MiamiHurricanes09:


wow, looks very healthy there :O
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2344. mcluvincane 12:36 AM GMT on June 13, 2010    
The season begins with a massive CV invest. Holy cow we are in for one h@@ of a season.
Member Since: June 2, 2010 Posts: 0 Comments: 1315
2345. Cavin Rawlins 12:36 AM GMT on June 13, 2010    
My update 2mr should have in some confidence on 92L. At this point, I'm still in aww! June 12 2010 well well...
Member Since: July 24, 2005 Posts: 407 Comments: 19076
2347. MrstormX 12:36 AM GMT on June 13, 2010    
This could be a midnight TD if it continues to deepen, the NHC tends to name storms/or TDs at midnight. Has anyone else noticed that?
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2349. stormwatcherCI 12:37 AM GMT on June 13, 2010    
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2351. Cavin Rawlins 12:38 AM GMT on June 13, 2010    
I am even more surprised that the TWO was more like a TWO for July or August...no indication that it was June.
Member Since: July 24, 2005 Posts: 407 Comments: 19076

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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