Drought Information Statement
Issued by NWS Corpus Christi, TX

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AXUS74 KCRP 022033

Drought Information Statement
National Weather Service Corpus Christi TX
233 PM CST Fri Mar 2 2018




February brought some welcome rainfall to the Victoria Crossroads
region, mainly over portions of Goliad and western Victoria Counties.
Otherwise, rainfall was well below normal over most of South Texas.
During the month of February, many areas received less than 50 percent
of their normal rainfall for the month, including the city of
Corpus Christi (0.46 inches or 23.8 percent of normal) and Laredo (0.09
inches, or 9.5 percent). Thus, while the near to slightly above
normal rainfall helped to lessen drought conditions over northeast
portions of South Texas from severe to moderate drought, moderate
drought and abnormally dry conditions spread farther south and
west over the Hydrologic Service Area (HSA).

According to the Drought Monitor Product, valid on February 27, 2018,
drought conditions exist over the following areas:

Severe Drought conditions no longer exist in any part of South

Moderate Drought: includes all of the counties of Victoria and
Goliad, as well as nearly all of Calhoun and Aransas Counties, northern
portions of San Patricio County, portions of northeast Jim Wells,
southeast Bee, southeast Live Oak and easternmost portions of Live
Oak Counties.

Abnormally Dry: includes all of Duval County, the remainder of
Calhoun, Aransas, San Patricio, Live Oak and Bee Counties, western
portions of Nueces and Kleberg Counties (including Kingsville but
not Corpus Christi proper), and portions of southern and eastern
Webb County (also a sliver of extreme northern Webb County),
northern La Salle County, and portions of northern, eastern and
southern McMullen County.

For the current drought monitor product showing drought conditions
over the remainder of Texas, go to the Corpus Christi Drought Page
on the web:



According to the Texas Forest Service Burn Ban Map of March 2,
2018, Duval and Refugio Counties have burn bans. A recent burn
ban over Kleberg County was rescinded. No other burn bans are
in effect, but more could be coming if dry conditions continue.

Residents planning on burning should still contact county
officials to ensure that burning is allowed, and also to see if
any restrictions on how and when to burn are in effect. If burning
is allowed, be sure it is not done during windy days with low
humidity, as this could result in a fire which could easily get
out of control.

No water restrictions are in effect in the city of Victoria at this
time. Water saving tips for individual users can be found at:
http://www.victoriatx.org/home/showdocument?id=1294 .

Corpus Christi and Laredo are not in drought status, with no water
restrictions in Laredo due to adequate water levels in Lake Amistad.

The city of Corpus Christi continues with city-wide voluntary water
conservation efforts, with the combined capacity of Choke Canyon
Dam and Lake Corpus Christi below 50 percent but above 40 percentage
(47.1 percent on March 2). During voluntary conservation, residents
are asked to water only once a week on any day they prefer, as long
as it is between the hours of 6 PM and 10 AM. Go to
http://www.cctexas.com/government/water for more information.

For residents in Portland and Ingleside, visit:

Only water your landscapes to maintain adequate soil moisture.
Also, only water if rainfall has not been received for a week or
two. Use a sprinkler which makes larger water droplets, and
avoid watering on windy days. Finally, turn soaker hoses so that
the holes are on the bottom, facing the grass.

For residents with sprinklers, turn off your sprinkler system when
rainfall has been sufficient to avoid watering when it is not
needed. Residents with sprinkler systems should also monitor their
watering to ensure their system is watering the lawn and not the
sidewalk or street. Useful water conservation tips can be found at:

The soil moisture anomaly map for early March shows slightly dry
conditions over South Texas (-40 to -60 mm). Soil moisture
percentiles are in the 30 to 70 percent range over essentially
all but the extreme southeast portions of the HSA, where values
between 20 to 30 percent exist.

Crop moisture indices for the week ending February 24, indicate near
normal (slightly dry/favorably moist) conditions over the HSA.

As of this writing, there are no drought impacts indicated by the
Drought Impact Reporter.

The Texas Crop and Weather Report from AgriLife TODAY on February
27 reported the following conditions:

Coastal Bend Region:
- Many areas received good rainfall. Mild temperatures and
  adequate moisture levels were reported. The ground temperature
  was still cold, which caused many to hold off planting.

- Corn seed was planted and should finish soon if weather
  conditions allow. A little grain sorghum was planted, but most
  were waiting for drier conditions.

- Some aerial spraying occurred to control weeds. Green grass was
  starting to emerge, and pastures looked much better.

- Colder winter conditions had ranchers feeding lots of hay
  from ample supplies.

- Cattle remained in fair condition, and overall conditions
  were good.

South Region - Northern Portions (McMullen, Live Oak):
- Northern portions of the district reported dry weather
  with fair rangeland and pasture conditions.

- Soil moisture levels remained low, and rain events over
  the past three months were below average. Conditions in some
  counties improved after rainfall, and weather was starting
  to warm up.

- Potato preparations were completed, and wheat and oats were
  under irrigation before rains.

- Supplemental feeding was steady, and body condition scores
  on cattle declined with most herds in fair condition.

South Region - Western Portions (La Salle, Webb):
- Western portions of the district reported mild weather,
  some drizzle and fair rangeland and pasture conditions.

- Coastal Bermuda grass fields were not producing, and other
  crop fields were being prepared for planting.

- Spinach harvest was active.

- Livestock producers reported some light to moderate
  supplemental feeding.

South Region - Eastern Portions (Duval, Jim Wells, Kleberg):
- Eastern portions of the district reported rainfall with
  poor to fair rangeland and pasture conditions.

- Soil moisture conditions in Jim Wells County improved
  over the last month with some amounts of rain received.

- Planting season was off to a good start.

- Rangeland and pasture conditions were not providing
  significant forage production.

- Winter weeds emerged and were providing some grazing for

- Duval County received plenty of moisture, and winter crops,
  including wheat and oats, were doing well.

- Ranchers were providing supplements to cattle and wildlife.

- Kleberg and Kennedy counties reported poor rangeland conditions.

According to the Fire Danger Map from the Texas Inter-Agency
Coordination Center (TICC) on March 2, there was a low to
moderate fire danger over the HSA. The observed fire danger on
March 1 was elevated over southern portions of the HSA due to
a frontal passage which brought low humidity and elevated winds
for a short time. Fuels remained cured, but some plants and
vegetation have greened up over the past couple of weeks.

County-averaged Keetch-Byram Drought Indices (KBDI) are increasing
over most of the HSA, with most counties in the 300 to 500 range.
While Aransas County had an average value of 200-300, Victoria, Jim
Wells and Live Oak Counties had averages of 400-500. The rest of
the counties had indices between 300 and 400. As warmer and drier
weather continue to be forecast, KDBI values will likely increase
over the next few weeks if more substantial rainfall is not received.

While the month of February started out on the cool side, the last
half of February saw much warmer temperatures. As a result, average
temperatures for February were above normal over South Texas. Average
temperatures for the month were 4.4 degrees above normal at Corpus
Christi, 4.7 degrees above normal at Victoria, and 5.4 degrees above
normal at Laredo.

As stated earlier, rainfall for February was below normal over most
of South Texas, except for a small portion of Goliad and Victoria
Counties where slightly above normal rainfall was observed.

Over the HSA, 90-day departures from normal still show most of South
Texas having rainfall deficits (mainly above 75 percent but below 100
percent). Some areas still showing 90-day rainfall surpluses include
portions of Webb County, Southern Duval County, much of Kleberg
County, and coastal areas of Kleberg County. When looking at
departures from normal since the beginning of the 2018 Water Year
(which began on October 1 2017), essentially all of the HSA has seen
below normal rainfall.

The following table shows the monthly rainfall totals for February,
rainfall for 2018, and precipitation so for this water year
(starting October 1 2017). All values are in inches. Rainfall
departures from normal are shown in parenthesis.

                                                  2018 WATER YEAR
                    FEBRUARY           2018         10/01/2017 -

CORPUS CHRISTI     0.46 (-1.47)     1.73  (-1.74)   8.81 (-2.10)

VICTORIA           1.66 (-0.42)     2.18  (-2.42)   5.28 (-9.51)

LAREDO AIRPORT     0.09 (-0.85)     0.29  (-1.55)   3.89 (-2.23)

For the three climate stations, the 2018 percentage of normal
rainfall were: 49.9 percent at Corpus Christi, 47.4 percent at
Victoria, and 15.8 percent at Laredo.

The 2018 water year percentages so far are: 80.8 percent at
Corpus Christi, 35.7 percent at Victoria, and 63.6 percent at

At this time, La Nina conditions continue over the equatorial
Pacific. A near moderate La Nina is currently present (Nino
3.4 index value was -1.0C). Nearly all models in the IRI/CPC plume
predict that La Nina will decay and that ENSO-Neutral
(El-Nino/Southern Oscillation neutral) conditions will return
during the Northern Hemisphere spring (March through May time
frame). Still, long-range climate outlooks for the first part of
spring call for above normal temperatures and below normal
rainfall to be the more likely weather regime over South Texas.


The Climate Prediction Center (CPC) forecasts the following longer
range conditions for South Texas:

The 8 to 14 day precipitation and temperature outlooks for the
period March 10 through March 16 call for above normal
temperatures and below normal rainfall over the entire HSA.

Typical for La Nina conditions, the monthly rainfall outlook for
March calls for a greater likelihood for below normal rainfall.
The March temperature outlook calls for a greater likelihood for
above normal temperatures, except over the Victoria Crossroads
area where there is an equal chance for near/above/below

The CPC 3 month temperature and rainfall outlook for March
through May forecast a greater likelihood for above normal
temperatures and below normal precipitation over the entire HSA.

Because of the temperature and rainfall outlooks, the Seasonal
Drought Outlook valid through the end of May calls for the
drought to persist over the current areas, then develop over the
remainder of South Texas by the end of May.

The lagged soil moisture outlook valid through the end of May 2018
calls for near to slightly below normal soil conditions over the
HSA, with the greatest deficits over the northern portions of
South Texas.

According to the USGS streamflow map on March 1, most South
Texas rivers have near normal flows. However, the Mission and
Frio Rivers, as well as the Garcitas, Coleto and San Fernando
Creeks have below normal flows. Similar streamflow conditions
were observed upstream of South Texas rivers and creeks.

Lack of significant rainfall since the end of 2017 has resulted
in either no notable recharge or a small depletion of storage in
the pertinent reservoirs. This depletion will likely increase
as water usage and evaporation increase with the upcoming
warmer weather unless some significant rainfall and runoff
occur in the pertinent river basins.

The following table shows the current reservoir levels as of
March 2, 2018, and previous levels as of February 8, 2018.

Reservoir      Normal  Current  Percent  Previous Change
                Pool     Pool  Capacity    Pool    (ft)
Choke Canyon   220.5    195.5    29.5     195.6    -0.1
Lake C. C.      94.0     93.0    93.2      93.1    -0.1
Lake Texana     44.0     41.1    82.9      40.9    +0.2
Coleto Creek    98.0     96.8    90.5      96.7    +0.1
Canyon Dam     909.0    905.3    92.1     905.2    +0.1
Lake Amistad  1117.0   1094.1    75.5    1093.9    +0.2

The combined system capacity for the Corpus Christi Reservoir
System as of March 2 was at 47.1 percent, which is 0.3
percentage points lower than on February 8.

The next Drought Information Statement will be issued sometime
in April, unless conditions warrant an earlier update.



Advanced Hydrologic Prediction Service (AHPS):

U.S. Drought Monitor (includes drought and soil moisture
outlooks, drought archives and temperature/rainfall outlooks):

U.S. Drought Monitor (includes only Texas):

U.S. Drought Portal:

Texas Drought Monitoring Site:

NOAA Drought Page:

Drought Impact Reporter:

National Drought Mitigation Center:

Texas Water Development Board Drought Website:

Vegetation Drought Response Index:

Climate Prediction Center (CPC):

Weather Prediction Center (WPC):

Standardized Precipitation Index (SPI):

Agnews: Texas A & M Agricultural Program
(Crop and Weather Report): http://today.agrilife.org

Texas Interagency Coordination Center (TICC):

Texas Burn Bans:

Texas KBDI:

Texas Observed Fire Danger:

Texas Forecast Fire Danger:

Texas Commission on Environmental Quality (water restrictions):

Corpus Christi Water Department:

Corpus Christi Water Conservation:

Victoria Water Conservation:

Laredo Water Restrictions and Conservation:

City of victoria Web Site:

City of Laredo Web Site:

City of Portland Web Site:

Texas Crop and Weather Reports:

Additional River Information:
NWS: https://www.weather.gov/ahps/
USGS: http://water.usgs.gov/
IBWC: http://ibwc.state.gov/

The drought monitor is a multi-agency effort involving the
National Weather Service and National Climatic Data Center, the
USDA, state and regional center climatologists and the National
Drought Mitigation Center. Information for this statement has been
gathered from NWS and FAA observation sites, state cooperative
extension services, the USDA, USACE and USGS.

If you have any questions or comments about this drought
information statement, please contact:
National Weather Service
426 Pinson Drive
Corpus Christi TX 78406
Phone: 361-289-0959



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