Flood Danger From Hermine Spans Corpus Christi, San Antonio
Flooding is the biggest concern with Hermine, especially as the winds start to diminish later today. In fact, flooding will be an ongoing concern through at least the middle of the week.
Four to eight inches of rain will be unleashed from central to south-central portions of Texas through tonight with locally higher amounts.
Cities included in the zone with the greatest flood risk today into tonight include San Antonio and Corpus Christi.
Flooding will quickly ensue in low-lying and poor drainage areas. Small streams and creeks will rise rapidly and overflow their banks. Residents, especially those in flood-prone areas, should be prepared for possible evacuation orders.
Officials may be forced to close roads that become inundated with flood waters.
Even if barricades are not in place, motorists are reminded never to drive through a road covered in water. The roadway underneath may be washed away or the water's swift current could sweep away your vehicle.
The danger of flooding in southern Texas and northeastern Mexico will persist several days after Hermine departs. Similar to what occurred in the wake of Hurricane Alex, the Rio Grande River will eventually rise as the flood waters drain downstream.
As the river becomes swollen, neighboring land and communities will be at risk for flooding.
Fortunately, Hermine will stay east of Laredo, Texas, sparing the Rio Grande Valley the worst case flooding scenario. The heaviest rain is falling on the northern and western flank of the storm, keeping rainfall amounts lower for the upper valley through tonight.
By tonight and Wednesday, the heaviest rain will expand from central into northern Texas. Junction, Abilene, and Dallas will get hit by potentially flooding rainfall.
Even areas as far north as Oklahoma City will be at risk for flooding by Wednesday afternoon as Hermine approaches the Texas/Oklahoma border.
Content contributed by Kristina Pydynowski, Senior Meteorologist
Related to the Story:
The Latest Statistics on Tropical Storm Hermine
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Daily U.S. Extremes
past 24 hours
| Extreme | Location | |
|---|---|---|
| High | 82° | Gila Bend, AZ |
| Low | -13° | Clayton Lake, ME |
| Precip | 1.24" | Spanish Fork, UT |
WeatherWhys®
The "Dead of Winter," the one-month period when normal temperatures reach their lowest levels, has come to an end for much of the United States. Some people may find it odd that the "Dead of Winter" does not encompass the darkest day of the year (the first day of winter). That is due to a seasonal lag in temperatures. More heat continues to be lost than is gained from the start of winter until this time of year.
This Day In Weather History
Gulf Coast 1 (899)
ry cold morning along Gulf Coast; New Orleans 6.8 deg.; Mobile -1 deg.; Pensacola 7 deg.; Tallahassee -2 deg (All time record for Florida. Brownsville 12 deg. (all time low).
North Dakota 1 (936)
this date the mercury plummeted to -60 deg. at Parshall, ND - the coldest temperature ever for the State of ND. Later the same year, the mercury soared to 121 deg. at Steele, ND - the hottest temperature ever for the state of ND.
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