The most powerful low pressure system in 140 years of record keeping swept through the Southwest U.S. yesterday, bringing deadly flooding, tornadoes, hail, hurricane force winds, and blizzard conditions. We expect to get powerful winter storms affecting the Southwest U.S. during strong El Niño events, but yesterday's storm was truly epic in its size and intensity. The storm set all-time low pressure records over roughly 10 - 15% of the U.S.--over southern Oregon, and most of California, Nevada, Arizona, and Utah. Old records were broken by a wide margin in many locations, most notably in Los Angeles, where the old record of 29.25" set January 17, 1988, was shattered by .18" (6 mb). Bakersfield broke its record by .30" (10 mb). The record-setting low spawned an extremely intense cold front that rumbled thought the Southwest, and winds ahead of the cold front reached sustained speeds of hurricane force--74 mph--last night at Apache Junction, 40 miles east of Phoenix. Wind gusts as high as 94 mph were recorded in Ajo, Arizona, and a Personal Weather Station in Summerhaven (on top of Mt. Lemmon next to Tucson) recorded sustained winds of 67 mph, gusting to 86 mph, before the power failed. Prescott recorded sustained winds at 52 mph, gusting to 67 as the cold front passed, and high winds plunged visibility to zero in blowing dust on I-10 connecting Phoenix and Tucson. The storm spawned one possible tornado in Arizona, which touched down at 8:32 pm MST in Phoenix near Desert Ridge Mall. No damage or injuries were reported. If verified, it would be only the 7th January tornado in Arizona since record keeping began in 1950.
Figure 1. Radar reflectivity from the Phoenix Doppler radar at the time of the Phoenix tornado. The tornado touched down under the circle with a "+" inside it. The Doppler velocity image did not show any rotation to the clouds in the vicinity.
Some of the all-time low pressure records set in yesterday's storm:
Los Angeles, CA: 29.07", Old Record: 29.25", January 17, 1988
Eureka, CA: 28.90", Old Record: 28.91", February 1891
San Diego, CA: 29.15", Old Record, 29.37", March 3, 1983
Fresno, CA: 28.94", Old Record, 29.10", January 27, 1916
Bakersfield, CA: 28.94", Old Record, 29.24", February 3, 1998
Salt Lake City, UT: 28.94", Old Record, 29.00" April 2002
Reno, NV: 28.94", Old Record, 29.00", January 27, 1916
Las Vegas, NV: 29.03" Old Record: 29.17", December 1949
Phoenix, AZ: 29.22", Old Record: 29.32", May 18, 1902
Flagstaff, AZ: 29.13", Old Record: 29.15", February 7, 1937
Yuma, AZ: 29.15", Old Record: 29.37", September 12, 1927
Three tornadoes in California
Three tornadoes were reported in California yesterday. A small EF0 twister hit the east side of Ventura, leaving a 1.5 mile damage path. Another tornado hit Santa Barbara, downing trees and power poles. The most damaging California tornado yesterday touched down just west of Blythe, on the Arizona-California border, at 4:31 pm MST. The twister crossed I-10, blowing three semi trucks over, ripping the roofs off houses, and downing power lines. I-10 was closed for several hours to clear the debris and toppled trucks.
Two tornadoes also hit Southern California on Tuesday. A sheriff's deputy spotted a possible tornado in Goleta that caused some roof damage, and another tornado hit Huntington Beach, damaging boats and buildings and flipping cars.
If all five tornadoes are confirmed as genuine by the National Weather Service, it will tie the record of most January California tornadoes. The all-time record for most California tornadoes in a single day is seven, set on April 1, 1996, and November 9, 1982.
Figure 2. Radar reflectivity from the Los Angeles Doppler radar at the time of the Santa Barbara tornado.
Figure 3. Storm-relative radial velocity from the Los Angeles Doppler radar at the time of the Santa Barbara tornado. The area of yellow and orange colors, lying right next to a region of blues and greens just west of Santa Barbara shows that the winds in that region were moving towards and away from the radar in a very tight area, signifying the presence of a rotating thunderstorm and possible tornado.
The storm will continue to bring heavy rain and snow to many portions the Southwest today, then wind down on Saturday. A new storm is expected to move ashore over Northern California on Sunday night, but this storm will not be as intense. Another storm is also possible next Friday, January 29, but it appears that a renewed battering by a long succession of storms like we had this week will not occur next week.
Selected storm total snowfalls (in inches) from 7 am Sunday January 17, through 7 am PST Friday January 22:
...ARIZONA...
FLAGSTAFF 3.2 NNW 36.5
SUNRISE MOUNTAIN 29.0
FOREST LAKES 26.0
HEBER 21.0
PINETOP/LAKESIDE 4 ESE 20.4
ALPINE 20.0
CLAY SPRINGS 20.0
CLINTS WELL 19.0
KACHINA VILLAGE 18.6
WILLIAMS 16.5
PRESCOTT 7.0
...CALIFORNIA...
CHAGOOPA PLATEAU 73.6
SODA SPRINGS 63.0
SUGAR BOWL 61.0
LWR RELIEF VALLEY 50.6
KIRKWOOD 48.0
SQUAW VALLEY 47.0
SIERRA AT TAHOE 38.0
BIG BEAR CITY 37.0
...COLORADO...
DURANGO 24.0
PAGOSA SPRINGS 9 NW 24.0
SILVERTON 24.0
WOLF CREEK PASS 1 SSE 24.0
ABAJO 19.0
TELLURIDE 15.0
COAL BANK PASS 14.5
RED MTN 12.3
CREEDE 10 SW 12.0
SOUTH FORK 4 SW 12.0
MOLAS PASS 10.0
...NEW MEXICO...
JEMEZ SPRINGS 14.0
CHAMA 12.0
FARMINGTON 7 NE 10.5
AZTEC 8.0
BLUEWATER LAKE 11 WSW 8.0
BONITO LAKE 5 SW 8.0
FARMINGTON 7 NE 8.0
LUNA 8.0
KIRTLAND 2 ESE 6.0
MOGOLLON 6 ESE 6.0
RAMAH 6.0
BLOOMFIELD 3 SW 5.5
LOS ALAMOS 5.5
...NEVADA...
YUCCA FLAT 20.0
BERRY CREEK 19.0
BIG CREEK SUMMIT 16.0
DRAW CREEK 13.0
POLE CREEK R.S. 13.0
MT. POTOSI 12.0
ELY 8.3
WARD MOUNTAIN 8.0
CHARLESTON 6.0
...UTAH...
BRIGHTON CREST 35.0
ALTA/COLLINS 33.5
DEER VALLEY DALY WEST 28.0
PARK CITY JUPITER PEAK 28.0
BIG COTTONWOOD SPRUCES 19.0
SOLITUDE 17.5
SNOWBIRD 13.5
Selected storm total precipitation (in inches) from 7 am Sunday January 17, through 7 am PST Friday January 22:
...ARIZONA...
DAVIS-MONTHAN AFB/TUCSON 10.23
BLACK CANYON CITY 10 N 6.57
CROWN KING 6.50
SURPRISE 1 ESE 5.58
SUN CITY WEST 2 NNE 4.78
COTTONWOOD 1 WSW 4.63
SCOTTSDALE 5.5 NNW 4.21
NEW RIVER 5 ESE 4.05
WITTMAN 5 SW 4.05
PAYSON 4.01
PINE 1 SW 4.00
SIERRA VISTA 3.83
LUKE AFB/PHOENIX 3.58
CASTLE HOT SPRINGS 3.55
FLAGSTAFF PULLIAM AP 3.41
CLIFTON 2.96
WINSLOW 2.84
GILBERT 4 NW 2.74
CHANDLER 4 WNW 2.72
YUMA MCAF 2.43
PRESCOTT/ERNEST A LOVE FIELD AP 2.28
PHOENIX AIRPORT 2.21
TUCSON AIRPORT 0.52
...CALIFORNIA...
LOS GATOS 4 SW 14.70
CAZADERO 13.46
LYTLE CREEK 13.39
MINING RIDGE 13.14
PETROLIA 7 SE 12.17
BARTLETT SPRINGS 11.23
LAKE ARROWHEAD 11.23
ALTADENA 1 ESE 11.14
CLOVERDALE 1 S 10.30
CRESTLINE 10.27
DEVORE 9.58
DESERT HOT SPRINGS 8.04
UKIAH MUNI ARPT 7.58
NEWHALL 7.08
SANTA ROSA/SONOMA CO ARPT 6.55
SAN LUIS OBISPO ARPT 5.37
SAN DIEGO/MONTGOMERY FIELD 4.32
SAN FRANCISCO INTL ARPT 4.30
LOS ANGELES-USC 3.89
PALM SPRINGS RGNL ARPT 3.75
SACRAMENTO METRO ARPT 3.65
SAN JOSE INTL ARPT 3.19
...NEVADA...
NORTH LAS VEGAS AIRPORT 1.50
HENDERSON AIRPORT 1.17
MERCURY/DESERT ROCK ARPT 1.06
...OREGON...
AGNESS 6.4 NE 3.90
PORT ORFORD 5.0 E 3.52
BROOKINGS 4.2 ENE 2.83
BANDON 11.4 S 2.67
ASTORIA 1.45
...WASHINGTON...
HOQUIAM/BOWERMAN AIRPORT 2.01
Tornadoes, severe weather in the South
Severe weather associated with a separate storm brought damaging winds, hail, and tornadoes to portions of Kentucky, Tennessee, Georgia, Alabama, and Florida last night. Two tornadoes were reported, one in Tennessee, and one in Alabama, near Huntsville. The Huntsville tornado injured approximately six people, and cut power to 10,000 people. The storm responsible for the severe weather has moved out to sea, and no further severe weather is expected today. A slight chance of severe weather is expected Saturday over Arkansas and Mississippi, and there is also a severe weather threat for Georgia and surrounding states on Sunday.
Figure 4. Last night's Huntsville, Alabama tornado was captured by wunderphotographer Southampton.
Portlight's Paul Timmons to appear on NBC and CNN
Portlight.org, the disaster-relief charity that has sprung up from the hard work and dedication of many members of the wunderground.com community, has successfully shipped medical equipment and a water filtration unit capable of supplying the needs of 3,500 people per day to the Dominican Republic. The relief supplies were trucked to Haiti via road, and have made it to the earthquake zone. The supplies have been targeted to go to those with disabilities, or to those who are living in areas where the main aid efforts have been inadequate. Portlight is working through the local Catholic Church, which is probably best positioned to deliver private aid donations to those in need. Paul Timmons, leader of the Portlight relief efforts, is scheduled to appear on NBC news later today, and on CNN news tomorrow, to discuss Portlight's efforts.
Figure 5. Walkers and medical supplies for Haiti getting ready to ship from the Portlight warehouse in Atlanta.
Please visit the Portlight.org blog to learn more. Floodman's blog has the latest info on Portlight's plan for Haitian relief. The Reeve Foundation, founded by Christopher and Dana Reeve has awarded Portlight Strategies a $10,000 Quality of of Life grant to assist in the relief efforts in Haiti. This is very big and will allow Portlight to pursue more aggressive relief efforts over the course of the next few weeks.
For those of you more interested in helping out with the long-term rebuilding of Haiti's shattered infrastructure from the quake, I recommend a contribution to Lambi Fund of Haiti, a charity that is very active in promoting reforestation efforts, use of alternative fuels, and infrastructure improvements at a grass-roots level in Haiti. I've developed a great respect for the work they do in the country in the five years I've been a supporter.
Next post
My next post will be Monday.
Jeff Masters
Road disappears in flood in San Luis Obispo, California (
annestahl)
Cops stand by closed road.
Southern California Snow (
gemd)
A Pacific storm (usually warm) came and dropped snow in Southern California in area which rarely see snow. This was not even an "insider slider" (lingo for a northern, non-Pacific cold jet stream). Snow days for schools are rampant and there are many accidents on the roadways. Our snow is not the typical fluff, but very wet and slick.
Prescott 2010 Snowstorm (
kempix)
Heavy Snowstorm came in last night with almost a foot of snow in the mountains of Prescott.
the ocean in Santa Barbara takes no prisoners
Amazing bolt of lightning strikes the Pacific Ocean in Manhattan Beach, CA.
I took a drive this morning to document some of this amazing weather we're having in Arizona. My path took me over to the Superstition Mountains east of Phoenix and I beheld some sights that I don't expect to see again. (HDR)
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yeah, we used to go days with only 3 or 4 posts.. hmm
I'd call it an assumption because it isn't fact. Same goes with some of the studies you mention as well.
Have you always used the same SN?
also, you used wikipedia as a source???
*smacks self in forehead*
The news release from NASA was more specific:
January 2000 to December 2009 was the warmest decade on record. Throughout the last three decades, the GISS surface temperature record shows an upward trend of about 0.2°C (0.36°F) per decade. Since 1880, the year that modern scientific instrumentation became available to monitor temperatures precisely, a clear warming trend is present, though there was a leveling off between the 1940s and 1970s.
Whatever you say.
The tunneling people?
Cyclonebuster.
OH! I know him as "Number 3".
Link
Comment of the year.
JP....banned. Posting under new SN....not in the last 2+ months though.
randrewl...banned....came back as vortfix....banned again. Not sure if he's posting under another SN?
That's him.
It seems like most of the regulars have gone through a name or two.
don't let them get you down.. but you've brought much to your own doorstep. i worry much about our decisions and global climate; my biggest fear is misinformation, opinionation, and righteousness. these are the things that keep the madness going, and ensures that we confound ourselves before taking any action.
Nope....
I have a hard time "picking a side", because BOTH are wrong.
Think about it... We don't even understand how the climate works! How are we supposed to see a trend in something that we don't even know how it works? It is like someone in Victorian England being asked to diagnose whether a modern nuclear reactor is working correctly or not.
Also, as you mentioned, with the timeline we are using, and our knowledge of the past, neither side can concretely prove whether there is any kind of manmade climate change going on. Historical figures (of both parties) are highly suspect. Current figures are somewhat suspect. And any model projections are VERY suspect, because of GIGO (Garbage In, Garbage Out). If we put in incorrect data, we are bound to get incorrect data back out.
good ole' Indiana popcorn. Indiana has corn, more corn, beans, wheat, even more corn, the Colts, racing, and me :) Lol
I'm still on my first...
You are a noob. lol
Very Subtle :p
and humble, right? :P
I couldn't think of a better way to put it (cough) :P
why do I have visions of Gary Coleman?
LOL we do have a great basketball team *cough, wheeze, choke* :p
ROFL. I love it when you all come up with these.
Besides being hilarious, they make me feel downright sane and sensible.
Thnx T-Dude, for Stormtop-Momma-Poppa Redux the other day. Still my all-time WU fave -- I was having a semi-bad day at the time, but you have to breathe after a big belly-laugh!
LOL no problem :)
I just wonder what it takes till the people involved in the misinformation, realize what they have done - and stop it. Does it nead a law? Does it need trials? If we want to sustain our planet in the shape it is today, we all need to work together. But it looks more grim almost by the passing month. I hope that the governements worldwide can find a solution. The US has climate change now officlay considered a national security threat. Let's hope they use their power to fight this threat in time.
The media which is for informing the public obviously failed - the multi million dollar sceptic/denial industrie is to big.
he is now known as "floridano"
I must've missed the change. Wow.
please note that aside from anyone beliefs Global Warming (as far as the scientific world is concerned) is a Theory (as in the scientific term of theory) thus it is falsifiable, it can never be proven with 100% certainty but it can be found to be false or something similar.
This is to everyone not just you drg.
does it knead more dough?
Somehow I knew that name was going to pop up at sometime,LOL.
Yes, please send more money to Al Gore ASAP.
Aww... now I'm crying...
I've actually lurked here for quite a while, but didn't start posting until 2008.
Please note that climate change is not a theory, it is considered consensus.
An increasing body of observations gives a collective picture of a warming world and other changes in the climate system... There is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.
Since 2007, no scientific body of national or international standing has maintained a dissenting opinion. Some organisations hold non-committal positions.
http://en.wikipedia.org/wiki/Scientific_consensus_on_climate_change
I do believe he may now be "Floridano"? If my remarkable female powers of intuition and my U.Md. degree in communications are worth their salt.
(is this the correct way to put this note:
(/sarc)
"Fear the Turtle"
Must go take care of canines, and dinner, cy'all soon.
(Day late; dollar short...T-Dude confirmed. Okey dokey, then.)
for his electric bill? or gas bill?
Just to add, it is one of the MAIN reasons in the SCIENTIFIC WORLD it is controversial.
Didn't mean to make ya cry, but until you've experienced a ban, you haven't lived.
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