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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1802. Cavin Rawlins 9:39 PM GMT on June 12, 2010    
SW you were right 92L is born.
Member Since: July 24, 2005 Posts: 407 Comments: 19076
1803. MiamiHurricanes09 9:39 PM GMT on June 12, 2010    
Quoting StormW:


Yeah...ya can't pay attention to the models anyway on the initialization...they have to "run" with the system for at least a couple runs or so.
Exactly.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1804. scott39 9:39 PM GMT on June 12, 2010    
Im confused------ Whats new?? Doesnt the NHC lable potiential Invests, 92L, TD ,TS ect..? Why havent they broke the crayons out at 2pm? I mean they will label something near 0% with a yellow circle, but not 92L?
Member Since: June 13, 2009 Posts: 0 Comments: 6207
1806. MiamiHurricanes09 9:40 PM GMT on June 12, 2010    
Quoting Weather456:
SW you were right 92L is born.
Yeah, I was kind of surprised it happened so quickly. I was thinking tomorrow. I applaud you StormW.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1807. Cavin Rawlins 9:40 PM GMT on June 12, 2010    
There is a first time everything and we are witnessing the tagging of an invest at 6N/34W on June 12 2010....amazing
Member Since: July 24, 2005 Posts: 407 Comments: 19076
1808. JLPR2 9:40 PM GMT on June 12, 2010    
Quoting StormW:


Sure I am...I have some busts...I bust at least twice a season. My forecasts aren't perfect, nor am I always correct.


That's meteorology for ya! :D
But you are good. ^^
Member Since: September 4, 2007 Posts: 7 Comments: 7487
1809. MiamiHurricanes09 9:41 PM GMT on June 12, 2010    
Quoting StormW:



LOL! Not really, that's good meteorology.
Absolutely. You can't be a good meteorologist if you don't review your mistakes and put them to use in the future.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1811. masonsnana 9:41 PM GMT on June 12, 2010    
Quoting StormW:


Sure I am...I have some busts...I bust at least twice a season. My forecasts aren't perfect, nor am I always correct.
And humble too. Another reason your well respected here StormW
Member Since: February 14, 2004 Posts: 2 Comments: 513
1812. MiamiHurricanes09 9:41 PM GMT on June 12, 2010    
Quoting Weather456:
There is a first time everything and we are witnessing the tagging of an invest at 6N/34W on June 12 2010....amazing
I'm going to write that one down.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1813. Cavin Rawlins 9:41 PM GMT on June 12, 2010    
I finally finished the blog on tropical waves but I don't think I will post it 2mr as scheduled.
Member Since: July 24, 2005 Posts: 407 Comments: 19076
1814. leo305 9:42 PM GMT on June 12, 2010    

Quoting scott39:
Im confused------ Whats new?? Doesnt the NHC lable potiential Invests, 92L, TD ,TS ect..? Why havent they broke the crayons out at 2pm? I mean they will label something near 0% with a yellow circle, but not 92L?


yea that confuses me as well
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1816. Stormchaser2007 9:43 PM GMT on June 12, 2010    
.
Member Since: June 9, 2007 Posts: 4 Comments: 15248
1817. spathy 9:43 PM GMT on June 12, 2010    
Quoting StormW:


Yeah...ya can't pay attention to the models anyway on the initialization...they have to "run" with the system for at least a couple runs or so.


Thanks Storm.
Thats what I was thinking.
Still interesting to follow and see what we can predict it may do.
By we I mean you guys:0)
Member Since: June 8, 2008 Posts: 65 Comments: 10477
1818. Hurricanes101 9:43 PM GMT on June 12, 2010    
Quoting SiestaKeySam:
Dropso, they also still continue to runt he XTRAP, remember that one? LMAO


do you know what the XTRAP even is?

My thinking tells me you dont
Member Since: March 10, 2010 Posts: 1 Comments: 6902
1819. MiamiHurricanes09 9:43 PM GMT on June 12, 2010    
Quoting StormW:


I agree my friend! AMAZING...I'm with you, I don't believe I've ever seen an INVEST. designated that far east.
And in June.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1820. KEEPEROFTHEGATE (Mod) 9:43 PM GMT on June 12, 2010    
i knew as well
we were heading for an invest
been marking and watchin since 9am
now we wait for 8 pm update from the NHC
and the navy to post invest 92l info as well here we go
Member Since: July 15, 2006 Posts: 143 Comments: 40497
1821. weather42009 9:43 PM GMT on June 12, 2010    
Both featured bloggers has displayed extreme forecasting skills so early in the season. The senior chief expected it to be tagged in 24 hrs and the junior chief pegged this wave over Africa.

Props to you guys, Dr Masters made the perfect move!
1822. MiamiHurricanes09 9:44 PM GMT on June 12, 2010    
Quoting Stormchaser2007:
Convection right over the center.

XTRAP suggesting WNW motion, did it initialize incorrectly or is it really moving WNW?
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1823. Stormchaser2007 9:44 PM GMT on June 12, 2010    
Member Since: June 9, 2007 Posts: 4 Comments: 15248
1824. leo305 9:45 PM GMT on June 12, 2010    
Quoting Stormchaser2007:
Convection right over the center.



if the system consolidates and manages to touch TD or even TS strength before it reaches that area of shear, I believe the upper levels may force it further north than that..
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1825. scott39 9:45 PM GMT on June 12, 2010    
Quoting Weather456:
There is a first time everything and we are witnessing the tagging of an invest at 6N/34W on June 12 2010....amazing
Not saying 92L is going to develope before 40W, but dont they usually curve N if the develope that far E?
Member Since: June 13, 2009 Posts: 0 Comments: 6207
1826. Drakoen 9:45 PM GMT on June 12, 2010    
I see we have 92L!
Member Since: October 28, 2006 Posts: 57 Comments: 29010
1827. JLPR2 9:45 PM GMT on June 12, 2010    
Quoting MiamiHurricanes09:
XTRAP suggesting WNW motion, did it initialize incorrectly or is it really moving WNW?


that's not a model XD
Member Since: September 4, 2007 Posts: 7 Comments: 7487
1828. leo305 9:45 PM GMT on June 12, 2010    
Quoting MiamiHurricanes09:
XTRAP suggesting WNW motion, did it initialize incorrectly or is it really moving WNW?


it has always been moving WNW
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1829. Drakoen 9:45 PM GMT on June 12, 2010    
If it follows the BAMM model tracks then it very well may have a chance to be a significant system
Member Since: October 28, 2006 Posts: 57 Comments: 29010
1832. MiamiHurricanes09 9:46 PM GMT on June 12, 2010    
Quoting Hurricanes101:


do you know what the XTRAP even is?

My thinking tells me you dont
I could tell him. lol.

XTRAP is short for extrapolation and it depicts a straight plot with no forces going upon that system.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1834. leo305 9:46 PM GMT on June 12, 2010    
Quoting scott39:
Not saying 92L is going to develope before 40W, but dont they usually curve N if the develope that far E?


there is a strong high blocking that from happening, and no, those that form really far east near africa or south of the cape verde's tend to turn, not those that form in the central Atlantic.
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1835. MiamiHurricanes09 9:46 PM GMT on June 12, 2010    
Quoting JLPR2:


that's not a model XD
I know, lol. But it has it moving WNW, last I checked it was moving W.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1836. TerraNova 9:47 PM GMT on June 12, 2010    
invest_al922010.invest is up on the NCEP FTP server.
Member Since: July 30, 2007 Posts: 76 Comments: 4058
1838. JLPR2 9:47 PM GMT on June 12, 2010    
Quoting StormW:


And there are others here that are just as good, in fact maybe a little better. I can't remember everyone, but they know who they are...however, the ones that stand out in my mind at the moment are 456, Drak, Levi as far as forecasters...they are exceptional, and I respect the hell out of them!


And that's why I keep coming here everyday, there are a lot of brilliant minds on this blog, yourself included. ^^
Member Since: September 4, 2007 Posts: 7 Comments: 7487
1839. Cavin Rawlins 9:47 PM GMT on June 12, 2010    
Quoting scott39:
Not saying 92L is going to develope before 40W, but dont they usually curve N if the develope that far E?


lol, it is at 6N, too far south for that.

Also the steering flow over the TRP is dominated by deep easterly flow with weaknesses near 40W based on WV loops. This supports a wnw motion.
Member Since: July 24, 2005 Posts: 407 Comments: 19076
1840. MiamiHurricanes09 9:47 PM GMT on June 12, 2010    
Quoting Drakoen:
If it follows the BAMM model tracks then it very well may have a chance to be a significant system
I agree. I honestly don't see what's pulling the system towards the U.S virgin islands as other models are suggesting.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1841. Cavin Rawlins 9:48 PM GMT on June 12, 2010    
Quoting StormW:
Right now, until I see updated steering layers forecast maps later, I have to go with the middle of that guidance package.


You mean the 12Z steering maps?
Member Since: July 24, 2005 Posts: 407 Comments: 19076
1842. Stormchaser2007 9:48 PM GMT on June 12, 2010    
Quoting Drakoen:
If it follows the BAMM model tracks then it very well may have a chance to be a significant system


How so?

Member Since: June 9, 2007 Posts: 4 Comments: 15248
1843. Drakoen 9:48 PM GMT on June 12, 2010    
The SHIPS forecast for shear to be low as the system heads into the Caribbean which is entirely possibly of the upper level anticyclone follows the system and the upper level jet moves northward

TIME (HR) 0 6 12 18 24 36 48 60 72 84 96 108 120
V (KT) NO LAND 20 21 24 28 33 44 55 67 73 75 75 73 73
V (KT) LAND 20 21 24 28 33 44 55 67 73 75 75 73 73
V (KT) LGE mod 20 21 22 24 26 32 38 44 49 52 54 54 54

SHEAR (KT) 10 5 4 7 10 12 13 11 15 13 14 14 6
SHEAR ADJ (KT) 0 1 0 1 -1 -2 -2 -8 -6 -7 -7 -7 -4
SHEAR DIR 60 101 76 51 94 109 135 159 166 207 207 261 259
SST (C) 28.6 28.5 28.3 28.1 28.0 27.8 27.8 28.0 28.5 28.7 28.8 29.0 29.2
POT. INT. (KT) 146 145 142 139 138 135 135 138 145 148 150 153 156
ADJ. POT. INT. 153 156 151 146 144 139 138 142 150 154 154 156 158
200 MB T (C) -52.8 -53.0 -53.3 -53.1 -52.2 -53.4 -52.6 -53.5 -53.0 -53.1 -52.7 -53.1 -53.1
TH_E DEV (C) 7 7 7 7 7 7 8 8 9 9 10 9 10
700-500 MB RH 78 78 78 73 76 74 72 71 67 64 62 60 55
GFS VTEX (KT) 0 LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST LOST
850 MB ENV VOR 29 32 27 21 18 13 13 -3 -18 -38 -31 -18 4
200 MB DIV 79 96 88 109 145 146 155 110 65 44 33 13 7
LAND (KM) 1368 1345 1279 1242 1222 1240 1221 1033 870 737 653 632 460
LAT (DEG N) 6.3 6.6 6.8 7.2 7.5 8.2 8.9 9.5 10.1 10.7 11.2 11.5 11.8
LONG(DEG W) 31.0 32.4 33.8 35.1 36.4 38.8 41.2 43.6 46.3 49.1 51.9 54.4 56.9
STM SPEED (KT) 11 14 14 13 13 12 12 13 14 14 13 12 12
HEAT CONTENT 53 50 39 39 40 38 37 45 65 71 80 85 99

Member Since: October 28, 2006 Posts: 57 Comments: 29010
1844. spathy 9:48 PM GMT on June 12, 2010    
Drak
What there is a loophole?
Wiggleroom?
Go figure.
Keeps it interesting.
Member Since: June 8, 2008 Posts: 65 Comments: 10477
1845. MiamiHurricanes09 9:48 PM GMT on June 12, 2010    
Quoting StormW:
Right now, until I see updated steering layers forecast maps later, I have to go with the middle of that guidance package.
You use the PSU steering graph or do you use the Cimss one?
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1846. JLPR2 9:48 PM GMT on June 12, 2010    
Quoting MiamiHurricanes09:
I know, lol. But it has it moving WNW, last I checked it was moving W.


oh, I get it now ^^
yeah, well... if it say WNW I guess its moving slightly WNW?
Member Since: September 4, 2007 Posts: 7 Comments: 7487
1847. mobal 9:49 PM GMT on June 12, 2010    
Thats disturbing!

Quoting Weather456:
There is a first time everything and we are witnessing the tagging of an invest at 6N/34W on June 12 2010....amazing
Member Since: August 3, 2005 Posts: 479 Comments: 5310
1848. leo305 9:49 PM GMT on June 12, 2010    
Quoting Weather456:


lol, it is at 6N, too far south for that.

Also the steering flow over the TRP is dominated by deep easterly flow with weaknesses near 40W based on WV loops. This supports a wnw motion.


TRP?
Member Since: April 17, 2010 Posts: 0 Comments: 1752
1849. seflagamma 9:49 PM GMT on June 12, 2010    
Hi everyone,

I tell you it will not become a "hurricane" perhaps a TS but not a hurricane...

BECAUSE I predicted the first "hurricane" of the season will be announced on June 21st....
so way too early for a hurricane, unless it hangs around for about 9 days then becomes a 'cane... hummmmmmm
I may be more correct than I thought.....
:o)


something to watch.

Enjoy your Sat evening,

Gamma
Member Since: August 29, 2005 Posts: 286 Comments: 40485
1850. MiamiHurricanes09 9:50 PM GMT on June 12, 2010    
Quoting Stormchaser2007:


How so?

The BAMM takes the system on a relatively southern track. Shear gets heavy north of 15N, the BAMM has it south of that throughout 92Ls lifetime.
Member Since: September 2, 2009 Posts: 129 Comments: 19976
1851. MiamiHurricanes09 9:50 PM GMT on June 12, 2010    
Quoting JLPR2:


oh, I get it now ^^
yeah, well... if it say WNW I guess its moving slightly WNW?
I guess so.
Member Since: September 2, 2009 Posts: 129 Comments: 19976

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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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