February 2018 Met Central - Finally a Bit of Rain


Temperatures continued to run high during early February
with 2
new daily high temperature records set on the 1st and 4th.
Temperatures dropped back into more seasonal levels after the middle
of the month. Mean daily highs, night-time lows and consequently daily
means still ran well above average but not as much as Jan and December.

    February Record Temperatures - High 26.5 (79.7 F), Low -31.3 (-24.3 F
    February '18 Record Temperatures - High 22.4(72.3 F), Low -13.7 (7.3 F)

Finally some real moisture on the Sevilleta... and most of NM.
February is generally a very dry month with an expected average of 7.5
mm on the Sevilleta The 12.3 total for February is the wettest
February since 2010 and actually the 6th wettest in the SEV LTER
29-year history. However,the 14.8 mm total for the Dec-Jan-Feb winter
is the 6th driest in past 29 years - the driest was 1.0 mm in 2005-06.

February Meteorological Summary

 
                      February       February '18       February '18
Variable            Long-term* Mean    Mean           Mean Range
-------------------------------------------------------------------
Mean Max Temp (C)         13.62           15.0         12.0 - 15.9
Mean Min Temp (C)         -2.81           -1.0         -4.8 - 1.5
Mean Average Temp (C)      5.40            7.0          5.6 - 8.3
Mean R.H. (%)             42.7            38.4         35.2 - 42.0
Mean Vap Press. (mb)       3.59            3.65        3.50 - 2.82
Mean Max Wind (m/sec)      9.7            10.2          9.5 - 11.4
Mean Solar Rad. (kWh/m2)   4.46            4.61        4.29 - 5.04
Precip.(mm)                7.5            12.3          7.1 - 15.2
---------------------------------------------------------------------
*Long-term refers to all of the Sevilleta met stations for 1989-2016

Albuquerque - Sevilleta Comparison

Albuquerque received comparable moisture as the Sevilleta during Feb altho
Albuqureque's expected total for February is a a bit higher than for
the Sevilleta

               Loc         Precip          Normal         % of Normal
=====================================================================
February	ABQ 	   13.0 mm         12.2 mm          106 %
                SEV        12.3 mm          7.5 mm          164 %

Year to Date    ABQ        13.8 mm         21.9 mm           63 %
                SEV        14.9 mm         15.5 mm           96 %
=====================================================================
Remember to check National Weather Service Monthly highlights at:
http://www.srh.noaa.gov/abq/climate/Monthlyreports/February/JJA2018/February2018.htm

Water-year Precipitation

This was the first month of the water-year with above-normal
precipitation. This relatively wet February pulled this water-year
out of the basement of water-year starts. 2005-06 and 2010-11 were
drier at 22.4 mm and 18.7 mm respectively

     Water Year Precipitation (mm)

               1989-2017
Month           Mean            2017-2018    
===========================================
Oct             22.5              12.2       
Nov             12.4               0.0
Dec		14.3		   0.0
Jan 		 8.9		   2.6
Feb		 7.5		  12.3
===========================================
                64.7		  27.1     

Drought

Drought conditions continued to expand across New Mexico during
February.

The U.S. Drought Monitor
rates 99.5% of NM is under some drought status with
79% being under at least sever drought conditions and 5% being under
extreme drought- mostly the northern mountains.

ENSO

The La Nina pattern continues. The Sea Surface Temperature anomaly
for the key 3.4 Nino zone ended the month at -0.8. The Ocean Nino
Index (ONI) for the Dec-Jan-Feb period was -0.9, up from -1.0 from the
previous 3-month period. This makes four 3-month periods in the La
Nina range - less than -0.5.

The Southern Oscillation Index (SOI) continues to see=saw wildly going
from went +1.1 in January to -0.5 for February.. The 5-month running
mean went from +0.60 to +0.40, back into neutral territory.

March Forecast

.
NOAA predicts temperatures will be much warmer than normal and
precipitation will be much lower than normal for March.

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