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. . . Ticker for June 3, 2019 . . .
        
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June 3, 2019 June 3, 2019 June 3, 2019 June 3, 2019


Same as it ever was?


http://ticker.mesonet.org/archive/20190603/wettest-months-1895-present.png

Second verse, same as the first? Well, actually the third verse, since all this
rain and severe weather mess started late in April. But with our historically
wet (see May summary below) and extremely active (see May summary below) May
in the books (I SAID SEE MAY SUMMARY BELOW! SHEESH!), it appears we're not going
to get much help during the first couple of weeks of June. Maybe not the
historic-type of shenanigans Mother Nature pulled on Oklahoma during the
previous shenaniganation (new word, don't bother looking it up), but way too
much rain nonetheless. Starts with the 7-day,a and extends on our into the
next week.

http://ticker.mesonet.org/archive/20190603/7day-rain-forecast.gif

http://ticker.mesonet.org/archive/20190603/june8-12-precip-outlook.gif

That doesn't look TOO bad, with much of the heaviest rain shifted to the east.
If we can get away with just another inch or two by the end of the week, that
would definitely be a mark in the win column. All eyes are really on Wed-Fri,
however. That appears the time when the big rains are possible. Maybe next
week as well, but we will worry about that in the coming days. Until then,
let's go back to May. Yes, we have to. Just don't linger.

----------------------------------------------------------------------------------
May Weather Brings Disaster to Oklahoma
May 3, 2019

Tornadoes and flooding battled it out for Oklahoma’s top weather headline during
May 2019, with both combatants bringing mayhem and misery to the state. The scope
and scale of the weather disasters prompted Gov. Kevin Stitt to declare a State
of Emergency for all 77 counties. According to reports from the Oklahoma
Department of Emergency Management, at least six fatalities and 118 injuries
were attributed to the flooding and severe weather. Preliminary reports from
the National Weather Service (NWS) office in Norman indicate at least 61
twisters struck Oklahoma during May, a number that is expected to rise as more
damage areas are investigated. Of those 61 tornadoes, eight were considered
“strong” on the Enhanced Fujita Scale, rated as EF2 or EF3. Combined with the
22 confirmed touchdowns during April, the 2019 total stands at 83. Oklahoma
averages 23.2 tornadoes during May and 56.2 per year based on 1950-2018 counts.
Two fatalities due to tornadoes were reported during May, both from a trailer
park in the path of an EF3 tornado that briefly touched down in eastern El Reno.
The total tornado deaths during 2019 rose to four according to NWS reports,
all in mobile homes during EF3 tornadoes.

Flooding was the most widespread and damaging of the weather hazards during
May, with entire communities seemingly engulfed in flood waters at times.
Historic rains in Oklahoma and upstream in Kansas swelled creeks and rivers,
and overflowed reservoirs and dams across the state. The flood waters did not
discriminate as both urban centers and rural areas were inundated. Voluntary
and mandatory evacuations were required downstream of several reservoirs due to
water releases and fear of dam failures. Extensive flooding was occurring along
the Arkansas River’s path through Oklahoma from the Kansas to Arkansas borders.
The river crested near or above record levels along its route through the state.
Flooding along the river in Tulsa was the worst that city has seen since 1986
as levee systems designed to protect low lying areas were threatened by the
rising water. The small town of Moffett in Sequoyah County was completely
swamped by flood waters, forcing its evacuation. Braggs in Muskogee County was
surrounded, isolating it from the outside and forcing air evacuations. The
swollen Cimarron River swept away homes as it undercut the river’s banks.
Hundreds of roads were closed throughout the state due to high waters, and an
untold number of stranded motorists required water rescues due to flash
flooding.

According to preliminary data from the Oklahoma Mesonet, the statewide average
rainfall total was 10.48 inches, 5.66 inches above normal to rank as the third
wettest May since records began in 1895. The total also earned fourth place on
the list of wettest calendar months in Oklahoma. Tops on that list was May
2015’s 14.44 inches, followed by October 1941 and May 1957 with 10.75 inches
and 10.54 inches, respectively. North central Oklahoma’s average of 12.2
inches was 7.84 inches above normal, ranking it as the wettest calendar month
on record for that part of the state. Central, northeastern, and west central
sections saw their second wettest Mays on record. Most of the heftiest rainfall
totals occurred along that corridor from west central through northeastern
Oklahoma. The NWS cooperative observer site at Pawnee led the state with 22.52
inches, although there was a report of 24.69 inches by a volunteer observer
near Talala. At least 24 NWS sites broke their all-time May rainfall mark.
Nineteen of those sites broke their all-time wettest calendar month marks as
well, including seven sites whose records date back over 100 years. The Mesonet
site at Talala recorded 19.6 inches. Of the 120 Mesonet sites, 66 recorded more
than 10 inches of precipitation, while all but six received at least 5 inches.
The Kenton site received 2.13 inches of rain during the month for the lowest
total, but that was still 0.07 inches above normal.

http://ticker.mesonet.org/archive/20190603/may-rain-totals.png

http://ticker.mesonet.org/archive/20190603/may-rain-depature.png

http://ticker.mesonet.org/archive/20190603/may-rain-pct.png

The climatological spring – March 1 through May 31 – ended as the fourth
wettest on record with a statewide average of 17.16 inches, 6.04 inches above
normal.

http://ticker.mesonet.org/archive/20190603/spring-rain-totals.png

http://ticker.mesonet.org/archive/20190603/spring-rain-departure.png

http://ticker.mesonet.org/archive/20190603/spring-rain-pct.png

The first five months of the year were 6.23 inches above normal at 20.74 inches
to rank as the fourth wettest such period on record. The northeast experienced
its wettest January-May on record with an average of 28.2 inches, 11.16 inches
above normal.

http://ticker.mesonet.org/archive/20190603/jan-may-rain-totals.png

http://ticker.mesonet.org/archive/20190603/jan-may-rain-depart.png

http://ticker.mesonet.org/archive/20190603/jan-may-rain-pct.png

The excessive rains and associated cloudiness kept high temperatures 2-3
degrees below normal, although the surge of warm, moist air from the Gulf of
Mexico had the opposite impact on low temperatures. The clouds and rain won
out, however, and the statewide average temperature finished at 66.7 degrees,
1.5 degrees below normal to rank as the 34th coolest May on record.

http://ticker.mesonet.org/archive/20190603/may-avg-temps.png

http://ticker.mesonet.org/archive/20190603/may-temps-departure.png

The season’s last freeze occurred on May 22 when Eva reached a low of 32
degrees. Eva recorded the only other sub-freezing temperature of the month with
31 degrees reported on May 10. Altus and Beaver grabbed the state’s top reading
of 93 degrees on the 28th and 16th, respectively. Spring’s statewide average of
58.2 degrees ranked as the 37th coolest on record, 1.1 degrees below normal.

http://ticker.mesonet.org/archive/20190603/spring-avg-temps.png

http://ticker.mesonet.org/archive/20190603/spring-temps-departure.png

The first five months of 2019 ended almost a degree below normal, the 54th
coolest on record.

http://ticker.mesonet.org/archive/20190603/jan-may-avg-temps.png

http://ticker.mesonet.org/archive/20190603/jan-may-temps-depature.png

Dry conditions were but a memory for the state by the end of May. The June
precipitation and temperature outlooks from the Climate Prediction Center (CPC)
indicated greatly increased odds of below normal temperatures and above normal
precipitation for much of the state. Given the wet, cool forecast, CPC’s U.S.
Monthly Drought Outlook for June did not foresee any drought development within
the Southern Plains or Oklahoma.

Gary McManus
State Climatologist
Oklahoma Mesonet
Oklahoma Climatological Survey
(405) 325-2253
gmcmanus@mesonet.org

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