Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 98, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Sep 11, 1997, 4:29 PM CDT for San Patricio County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 11, 1997, 4:29 PM CDT (21:29 UTC)
- Expired
- Sep 11, 1997, 5:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County San Patricio County, TX
The radar
The Corpus Christi radar (KCRP), 25 km from the middle of the area, began a volume at 21:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 11, 4:35 PM CDT | Thunderstorm Wind 60 | Mathis, TX | Local media report of roof damage from strong thunderstorm wind. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 9.5 hours before the alert went out and 36 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1795 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -2.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 11, 2:55 PM CDT, 1 hour 34 minutes earlier.
Area forecast discussion, Sep 11, 2:55 PM CDT, 1 hour 34 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 255 PM CDT THU SEP 11 1997 88D KCRP RADAR SHOWING ISOLATED RW/TRW IN REFUGIO AND CALHOUN COUNTIES WITH LTL MOVMT NOTED. PULSE TYPE ACTIVITY WITH THE AFTERNOON HEATING AND SEA BREEZE. THIS WILL ALL BE GONE WITH THE SETTING OF THE SUN. OTHERWISE NO SIGNIFICANT WX THRU THIS FCST PERIOD AND REALLY NOTHING IN THE EXTENDED EITHER. CROSS SECTION DATA FROM 12Z DATA SHOWS MOISTURE ON THE WAY OUT AS MID AND UPPER LVL RIDGE REGAINS CONTROL. AFTER 06Z FRI CRP/VCT SHOW DRYING FROM H85 UP. LRD HAS A LITTLE LESS DRYING AND IT BEGINS LATER. THIS WAS ALSO REFLECTED IN THE PWAT VALUES. THE PWAT VALUES REMAIN 1.60 TO 1.80 THRU 06Z SAT THEN 1.80 POOLS OVER WESTERN SECTIONS OF THE CWA WHILE POCKET OF 1.20 TO 1.40 PREVAILS OVER EASTERN SECTIONS. THE MAIN PCPN THREAT WILL CONTINUE TO BE GENERATED BY THERMAL EFFECT DURING THE NEXT TWO DAYS. THUS WILL KEEP SOME ISOLATED POPS IN THE PIX. WNDS LOOK TO INCREASE AS LOW PRESSURE DEVELOPS IN THE CENTRAL AND NORTHERN PLAINS. H85 WNDS AT 12Z SHOW LLJ OVER S TX PANHANDLE AND N TX. WILL GO WITH 10 TO 20 FOR COASTAL LOCATIONS AND LRD AND 10 TO 15 VCT. TEMPS WILL BE CLOSER TO MOS NUMBERS AND WILL STICK CLOSE. AVN/MRF TOO COOL. EXTENDED SHOWS NO MAJOR PLAYERS IN OUR WX PATTERN. TROF/RIDGE/TROF PATTERN WILL BE MAINTAINED. TEMPS WILL REMAIN ABOVE NORMALS OF MID SEP WHILE PCPN IS BELOW NORMAL. TONIGHT...P/C. E-SE WND NR 10 MPH...BECMG LGT VRBL FOR VCT...E-SE WND 10 TO 15 MPH...BECMG LGT VRBL CRP...E-SE WND NR 10 MPH FOR LRD. FRI...P/C WITH ISOLATED RW/TRW. CHC OF RAIN LESS THAN 20 PERCENT. E-SE WND 10 TO 15 MPH VCT...10 TO 20 MPH CRP/LRD. FRI NIGHT...P/C. SE WND NR 10 MPH VCT...10 TO 15 MPH CRP/LRD. SAT...P/C. CRP BB 073/096 074/096 074 -1-1 NGP 078/091 079/091 079 ALI BB 072/099 072/099 072 -1-1 LRD BB 076/102 076/102 076 -1-1 VCT BB 073/095 074/096 075 -1-1 MSL...73
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 3:48 PM CDT | Severe Thunderstorm Warning | CRP | Bee | 57 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.