Death Valley records a low of 107°F (41.7°C): a world record
On Thursday morning, July 12, 2012 the low temperature at Death Valley, California dropped to just 107°F (41.7°C), after hitting a high of 128° (53.3°C) the previous day. Not only does the morning low temperature tie a record for the world's warmest low temperature ever recorded, the average temperature of 117.5°F is the world's warmest 24-hour temperature on record. According to weather records researcher Maximiliano Herrera, the only other place in the world to record a 107°F low temperature was Khasab Airport in the desert nation of Oman on June 27, 2012. The previous U.S. record high minimum temperature may be a 103°F (39.4°C) observed in Death Valley, California in 1970. The NWS lists a July 5, 1918 low temperature of 110°F as the official highest minimum temperature recorded in Death Valley. This temperature is disputed by Mr. Herrera, who says the temperature that night was not monitored and passed from 60°F to 110°F then to 60°F again.

Figure 1. Badwater, Death Valley, California. Wide open spaces, infinite views. What's not to love about this place? Image credit: Wunderphotographer SonomaCountyRAF.
Wednesday's high of 128°F (53.3°C) was the 10th hottest temperature in U.S. history, and the hottest temperature measured in the U.S. since July 18, 2009, when Death Valley recorded another 128° reading. The only hotter temperatures in U.S. history were all measured at Death Valley, the most recent one being the 129° measured on July 6, 2007. The all-time high for Death Valley is the 134° reading of July 10, 1913.
Temperatures have cooled considerably at Death Valley over the weekend, and the forecast for Monday calls for for a downright chilly high of just 110°. That's sure to be a disappointment for the ultramarathoners in the grueling Badwater Ultramarathon, which begins Monday in Death Valley. Covering 135 miles (217km) non-stop from Death Valley to Mt. Whitney, CA, it is the most demanding and extreme running race offered anywhere on the planet. I'm sure they would have liked to have had the distinction of running their race last Wednesday and Thursday, during the hottest 24-hour period ever recorded on the planet!
Jeff Masters
Reader Comments
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Yes sir. I shall behave myself.
Yeah I was seeing that, we had a lot of lightning around here too, and of course radar estimates are about half to a fourth of actual totals as usual. The radar says I had about a half inch today, I had near 4 times that... The estimate at St. Petersburg/Clearwater airport is 0.25 to 0.50, the actually rainfall total today there is near 2 inches, so if you are looking at radar estimates you would be highly deceived lol.
I would like fewer storms for a number of reasons.
1. ....
LOL who am I kidding I love seeing a lot of storms as long as they aren't killing people or destroying a lot of stuff.
And wait a second my GF posted on here? Haha I was letting her see something different and I guess she took the liberty to post... At least it wasnt anything too bad!
and the season total was 15 TS - 9 Hurricanes- 6 majors
Right now we have 4-1-0 and we are in july 16
so, take it easy
Hey, Jed. At one time, the Guiness World Book of Records had Tampa-St. Petersburg as the longest stretch of maximum sunshine days in the world. I don't know if they still hold the record. I think it was in the 60's that it occurred. It would be something if someone could find that fact out.
(That is the 1960's by the way)
MESOSCALE DISCUSSION 1477
NWS STORM PREDICTION CENTER NORMAN OK
0514 PM CDT MON JUL 16 2012
AREAS AFFECTED...E-CNTRL NV...SWRN UT...FAR NWRN AZ
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 162214Z - 162315Z
PROBABILITY OF WATCH ISSUANCE...20 PERCENT
SUMMARY...TSTM STRENGTH IS EXPECTED TO INCREASE SLIGHTLY DURING THE
NEXT FEW HOURS ACROSS E-CNTRL NV...SWRN UT AND FAR NWRN AZ. AS A
RESULT...THERE WILL BE AN INCREASED THREAT OF SEVERE WIND/HAIL.
ISOLATED NATURE OF THE THREAT IS EXPECTED TO PRECLUDE THE NEED FOR A
WW.
DISCUSSION...LATEST RADAR TRENDS SHOW A GRADUALLY INCREASING
STRENGTH IN MUCH OF THE CONVECTIVE ACTIVITY ACROSS THE CNTRL GREAT
BASIN. ICX VAD DEPICTS AN INCREASE IN 5-6 KM WINDS AS A SUBTLE
SHORTWAVE TROUGH PROGRESSES THROUGH THE BASAL PORTION OF A MEAN
TROUGH OVER MUCH OF THE WRN CONUS. AS A RESULT...LATEST MESOANALYSIS
SHOWS EFFECTIVE BULK SHEAR BETWEEN 20-30 KTS...WHICH IS SUFFICIENT
FOR MODEST STORM ORGANIZATION. LOW INSTABILITY /MLCAPE AROUND 1000
J/KG/ WILL LIKELY LIMIT OVERALL COVERAGE OF ORGANIZED CONVECTION BUT
A FEW CELLS SHOULD BE ABLE TO BRIEFLY ORGANIZE AND POSE A WIND/HAIL
THREAT. THE WELL-MIXED SUB-CLOUD LAYER...ESPECIALLY ACROSS SWRN
UT...WILL PRESUMABLY RESULT IN STRONG GUSTS AS THE PRIMARY SEVERE
THREAT. LIMITED COVERAGE OF SEVERE STORMS IS ANTICIPATED TO PRECLUDE
THE NEED FOR A WW.
..MOSIER/THOMPSON.. 07/16/2012
i guard my phone with my life...
strung out vorticity and the GFS tries to consolidate it into 3 lows.
idk about that
I'm not sure, but we do live in a unique area, I rarely see completely overcast days, even days that we get 5 inches of rain often have at least a few hours of full sun. For example, although we have had nearly 9 inches of rain in the last week, we have also had a lot of sun, which I really like! Overcast "rainy days" are not my style. I like warm sunny tropical days with an intense tropical downpour or strong thunderstorm. We probably get as much sun during the rainy season as during the dry season, lol. When we get rain during the dry season it's usually from fronts which bring a lot more bark then bite, a lot of wind and a lot of clouds for 2 days often only to have one or 2 lines of thunderstorms pass through and then back to dry and breeze, and sometimes still cloudy, at least during the winter with "gulf effect" cold air clouds.
Fabio Weakening; Khanun Slowly Organizing
My hunch is that recycled plastic is being ground up and mixed with lowest grade bunker fuel and burned to propel ships. Most recycled plastic gets shipped to China. From there, who knows what happens to it. That would certainly make the smoke that creates huge clouds. It's pretty disgusting when it blows over the USA.
Out of sight and out of mind!
I don't think so. NOAA is flying over & gathering right out these ships + there is a few satellites that can see exactly what is being released..It's high Sulfates. Burning poly plastics pretty much releases H20, CO & CO2. PVC types release dioxins. Smaller amounts of fillers, colors & such but not a lot of sulfates.
Saw Alaska was suing EPA for forcing the cleaner fuels near shore & cruise ships for the most part aren't complying. Interesting Article..
There are dozens of minimum temperatures of 110F between 1922 and 1924, all clear bogus, that's where I found some absurde jumps in temperatures.
Data from Greenland Ranch starts to be very linear and reliable since late 30s, when the instrument was also slightly moved and likely its installation adjusted.
Maximiliano
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