Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 133, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Aug 11, 2000, 5:45 PM CDT for Chambers County, Galveston County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Aug 11, 2000, 5:45 PM CDT (22:45 UTC)
- Expired
- Aug 11, 2000, 6:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Chambers County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 73 km from the middle of the area, began a volume at 22:44 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.8 hours before the alert went out and 122 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
- 296 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 1358 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 112246 SVRHOU TXC071-167-112330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 545 PM CDT FRI AUG 11 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GALVESTON COUNTY IN SOUTHEAST TEXAS CHAMBERS COUNTY IN SOUTHEAST TEXAS * UNTIL 630 PM CDT * AT 543 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR WINNIE...MOVING SOUTH-SOUTHWEST AT 25 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... STOWELL...WINNIE HIGH ISLAND ANAHUAC NATIONAL WILDLIFE REFUGE BOLIVAR PENINSULA MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS! DAMAGING WINDS TO 60 MPH ARE INDICATED. LARGE HAIL IS ALSO POSSIBLE. PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE... OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 2990 9426 2993 9446 2942 9459 2938 9431
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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 11, 3:30 PM CDT, 2 hours 15 minutes earlier.
Area forecast discussion, Aug 11, 3:30 PM CDT, 2 hours 15 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 330 PM CDT FRI AUG 11 2000 WILL BE BUMPING UP FIRST PERIOD POPS A BIT. CONVECTION BUILDING TO OUR E. GIVEN VERY UNSTABLE CONDITIONS...IT SHOULD KEEP GOING INTO THIS EVENING...WITH ISOLD DAMAGING WIND GUSTS/HAIL PSBL. WILL MENTION SVR POSSIBLE IN CTRL AND ERN ZONES. NEW ZFP OUT AT 345. 46/43/48 .HGX...NONE. PRELIMS... CLLA BB 072/102 073/101 073 2-00 (30 POP NE TNGT) IAH BB 074/097 074/096 074 3100 GLS BB 079/091 080/091 080 3100
In the hours before
Special weather statement, Aug 11, 3:15 PM CDT, 2 hours 30 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-120300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 315 PM CDT FRI AUG 11 2000 ...SEVERE WEATHER POSSIBLE THIS EVENING... ...ANOTHER HOT WEEKEND EXPECTED OVER SOUTHEAST TEXAS... TEMPERATURES THIS AFTERNOON EXCEEDED 100 DEGREES THIS AFTERNOON IN AN AREA FROM LUFKIN TO COLLEGE STATION...AND WILL REACH A HIGH NEAR 100 FURTHER SOUTH IN SPOTS SUCH AS CONROE AND HUNTSVILLE. EVEN THOUGH TEMPERATURES FURTHER SOUTH NEAR THE COAST ARE SLIGHTLY LOWER... HUMIDITY LEVELS ARE HIGHER...MAKING IT FEEL JUST AS UNCOMFORTABLE. THE HEAT IS MAKING THE ATMOSPHERE VERY UNSTABLE. THIS COMBINED WITH A FRONT ENTERING THE REGION FROM THE NORTHEAST WILL GENERATE SHOWERS AND THUNDERSTORMS THROUGH THIS EVENING. SOME OF THE STORMS COULD BE SEVERE...ESPECIALLY EAST OF THE BRAZOS RIVER. BE ALERT FOR THE POSSIBILITY OF DAMAGING WIND GUSTS AND HAIL IN ANY THUNDERSTORMS. THE HEAT WILL CONTINUE THIS WEEKEND. TEMPERATURES WILL BE IN THE 90S WITHIN ABOUT 50 MILES OF THE COAST...AND NEAR 100 FURTHER NORTH. THE BEST CHANCES FOR ANY SHOWERS AND THUNDERSTORMS WILL BE THIS EVENING. IF YOU ARE PLANNING TO BE OUTSIDE THIS WEEKEND...REMEMBER A FEW SIMPLE RULES TO KEEP YOU COOL IN THE HEAT... 1) DRINK PLENTY OF LIQUIDS...EXCEPT AVOID THOSE WITH ALCOHOL OR CAFFEINE. 2) WEAR LIGHT COLORED LOOSE FITTING CLOTHING. A LIGHT COLORED HAT IS ALSO A GOOD WAY TO AVOID OVERHEATING SINCE IT REFLECTS SUNLIGHT AWAY FROM YOUR HEAD. 3) TAKE FREQUENT BREAKS IN THE SHADE OR INSIDE IN AN AIR-CONDITIONED ENVIRONMENT. 4) DECREASE PHYSICAL ACTIVITY DURING THE AFTERNOON AND EVENING...WHEN TEMPERATURES ARE AT THEIR PEAK. 5) WEAR SUNSCREEN. KEEP ABREAST OF THE LATEST FORECAST FROM YOUR FAVORITE MEDIA OUTLET OR NOAA WEATHER RADIO. THE HOUSTON/GALVESTON NATIONAL WEATHER SERVICE WEBSITE IS AVAILABLE ON THE INTERNET AT HTTP://WWW.SRH.NOAA.GOV/HGX.
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.