Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 68, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 2, 2000, 4:14 AM CDT for Brazoria County, Matagorda County, Texas. It was in force for 46 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- May 2, 2000, 4:14 AM CDT (09:14 UTC)
- Expired
- May 2, 2000, 5:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Brazoria County, TX, Matagorda County, TX
The radar
The Houston radar (KHGX), 96 km from the middle of the area, began a volume at 09:16 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 |
|---|---|---|---|
| May 2, 4:15 AM CDT | Hail 0.75 | Bay City, TX |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 2, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 2, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.2 hours before the alert went out and 199 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
- 1208 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 020916 SVRHOU TXC039-321-021000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 414 AM CDT TUE MAY 2 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BRAZORIA COUNTY IN SOUTHEAST TEXAS MATAGORDA COUNTY IN SOUTHEAST TEXAS * UNTIL 500 AM CDT * AT 411 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER BAY CITY...MOVING EAST AT 35 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... BAY CITY SARGENT JONES CREEK FREEPORT QUINTANA...SURFSIDE BEACH MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. 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 2903 9595 2875 9617 2858 9570 2893 9510 8
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 May 2, 3:10 AM CDT, 1 hour 4 minutes earlier.
Area forecast discussion, May 2, 3:10 AM CDT, 1 hour 4 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION...CORRECTION TO FFA COUNTIES NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 310 AM CDT TUE MAY 2 2000 UPPER LOW CURRENTLY OVER W OK/KS BORDER LIKELY TO BE A TROUBLEMAKER FOR THE NEXT 24-36 HOURS. SVR STORMS WHICH PUSHED OVER TREES IN MUCH OF BURLESON COUNTY AROUND 10 PM LAST NIGHT TOOK A BRIEF BREAK BEFORE BLOWING UP AGAIN FURTHER SOUTH IN RICHER ENVIRONMENT WITH HEALTHY 25-30 KT INFLOW. HENCE SVR WATCHES CURRENTLY UP ALMOST ALL OF CWA EXCEPT EXTREME NORTHERN COUNTIES. HAVE OBSERVED SEVERAL MINI-SUPERCELLS ON 88D WITH FAIRLY WELL DEFINED HOOKS, BWER, AND TVS ALARMS, BUT THESE FEATURES HAVE BEEN CHARACTERISTICALLY BRIEF AND MOST FEEDBACK ON WARNINGS THUS FAR HAS BEEN REPORTS OF WIND DAMAGE AND LARGE HAIL. EXPECT CURRENT WAVE OF SVR ACTIVITY TO REACH COAST BY AROUND TIME WATCHES EXPIRE, BUT DON'T THINK THE "GAME OVER" LIGHT IS YET ON THE EVENT HORIZON DUE TO PROGNOSIS FOR UPPER LOW AND WAVES MOVING AROUND IT, PARTICULARLY THE PERSISTENT DIFLUENT ZONE IN 3H WIND PATTERN WHICH SHOULD PERMIT REDEVELOPMENT OF CONVECTION WITH ONLY THE SLIGHTEST NUDGE FROM INTERACTION OF FRONT/OUTFLOW BOUNDARIES. NOT TO MENTION MORE BENIGN STORMS CONTINUE TO DEVELOP OVER NRN CWA WELL BEHIND THE FRONTAL ZONE. AS CONSEQUENCE... FIRST FLAG I WILL RAISE IN THE UPCOMING ZONE PACKAGE WILL BE FFA FOR ALL OF CWA EXCEPT THE COASTAL COUNTIES. THE REASON FOR LEAVING THESE OUT IS THAT ONCE THIS INITIAL MCS PASSES, EXPECT DEVELOPMENT LATER IN THE DAY TO BE A LITTLE FURTHER INLAND WHEN CONFUSED SFC FLOW FROM CURRENT SYSTEM ONCE AGAIN BECOMES SOUTHERLY AND CAN REFOCUS ON REMNANTS OF FRONTAL (OR OTHER) BOUNDARIES AND POSSIBLY ESTABLISH HEAVY RAIN ZONE JUST A FEW MILES INLAND OF COAST. IF THIS DOES NOT PAN OUT, MAY NEED TO EXTEND FFA ALL THE WAY TO THE BEACHES... BUT WILL LEAVE THAT FOR MORNING UPDATE. TEMPS A LITTLE DIFFICULT TODAY DUE TO POTENTIAL FOR POCKETS OF MID 80S TO SUDDENLY APPEAR IN 1 TO 2 HOUR BREAKS IN CLOUD COVER, BUT WILL GENERALLY GO WITH MORE CONSERVATIVE NUMBERS OF GUIDANCE BASED PRIMARILY ON EXTENSIVE CLOUD COVER SOUTH AND WEAK FRONT NORTH. .KHGX...FFA TODAY FOR ALL COUNTIES EXCEPT MATAGORDA BRAZORIA, GALVESTON, CHAMBERS. PRELIMS... CLL TT 075/062 080/064 084 38886 IAH TT 078/065 081/065 083 38976 GLS TT 078/070 079/073 080 38966 38/45/41/48
In the hours before
Special weather statement, May 2, 1:35 AM CDT, 2 hours 39 minutes before
GMZ330-TXZ197-210>212-226-227-235>237-021159- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 135 AM CDT TUE MAY 2 2000 SEVERE THUNDERSTORM WATCH IN EFFECT ALONG AND SOUTHEAST OF A LINE FROM BRENHAM TO BROOKSHIRE TO RICHMOND TO NEAR ALVIN TIL 7 AM. THIS INCLUDES THE FOLLOWING COUNTIES...WALLER...JACKSON...COLORADO... WASHINGTON...BRAZORIA...AUSTIN...WHARTON...MATAGORDA AND FORT BEND. A UNSTABLE AIRMASS WILL REMAIN OVER THE WATCH AREA THIS MORNING. A STRONG UPPER LEVEL DISTURBANCE WILL MOVE OVER THE AREA LEADING TO THE CONTINUED DEVELOPMENT OF SEVERE WEATHER. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. AND CAN PRODUCE TORNADOES SOMETIMES WITH LITTLE ADVANCE NOTICE. MONITOR NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS SOURCES FOR THE LATEST WARNINGS AND STATEMENTS.
Special weather statement, May 2, 2:28 AM CDT, 1 hour 46 minutes before
GMZ330-TXZ197-210>212-226-227-235>237-021159- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 228 AM CDT TUE MAY 2 2000 SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF SOUTHEAST TEXAS TIL 7 AM. INCLUDING THE FOLLOWING COUNTIES...WALLER...JACKSON... COLORADO...BRAZOS...CHAMBERS...GALVESTON...GRIMES...HARRIS...LIBERTY... POLK...SAN JACINTO...TRINITY...WASHINGTON...BRAZORIA...AUSTIN... WHARTON...MATAGORDA AND FORT BEND. A UNSTABLE AIRMASS WILL REMAIN OVER THE WATCH AREA THIS MORNING. A STRONG UPPER LEVEL DISTURBANCE WILL MOVE OVER THE AREA LEADING TO THE CONTINUED DEVELOPMENT OF SEVERE WEATHER. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. AND CAN PRODUCE TORNADOES SOMETIMES WITH LITTLE ADVANCE NOTICE. MONITOR NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS SOURCES FOR THE LATEST WARNINGS AND STATEMOENTS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 9:55 PM CDT | Severe Thunderstorm Warning | HGX | Burleson | 65 min |
| May 1, 10:29 PM CDT | Severe Thunderstorm Warning | HGX | Brazos | 46 min |
| May 1, 11:06 PM CDT | Severe Thunderstorm Warning | HGX | Grimes | 24 min |
| May 1, 11:30 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery, Walker | 60 min |
| May 2, 1:22 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery, Waller | 68 min |
| May 2, 1:39 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 66 min |
| May 2, 1:47 AM CDT | Tornado Warning | HGX | Montgomery | 28 min |
| May 2, 2:03 AM CDT | Tornado Warning | HGX | Harris, Waller | 42 min |
| May 2, 2:27 AM CDT | Tornado Warning | HGX | Austin, Fort Bend, Waller | 33 min |
| May 2, 2:36 AM CDT | Tornado Warning | HGX | Harris | 39 min |
| May 2, 2:44 AM CDT | Severe Thunderstorm Warning | HGX | Liberty, San Jacinto | 46 min |
| May 2, 3:06 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 54 min |
| May 2, 3:14 AM CDT | Tornado Warning | HGX | Harris, Liberty | 46 min |
| May 2, 3:25 AM CDT | Tornado Warning | HGX | Brazoria, Galveston | 65 min |
| May 2, 3:53 AM CDT | Tornado Warning | HGX | Liberty | 52 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.