Alert archive / Texas / Tornado Warnings in 1997
Tornado Warning 68, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Nov 5, 1997, 12:10 AM CST for Brazoria County, Texas. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 5, 1997, 12:10 AM CST (06:10 UTC)
- Expired
- Nov 5, 1997, 12:45 AM CST
- In force
- 35 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Brazoria County, TX
The radar
The Houston radar (KHGX), 48 km from the middle of the area, began a volume at 06:12 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 00:00Z, 6.2 hours before the alert went out and 240 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1688 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 050612 RRA TORHOU TXC039-050645- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1210 AM CST WED NOV 5 1997 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1245 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...SOUTHEASTERN BRAZORIA COUNTY AND ADJACENT COASTAL WATERS AT 1205 AM CST...A TORNADIC THUNDERSTORM WAS INDICATED BY DOPPLER WEATHER RADAR TO BE PRODUCING A TORNADO OVER THE BRAZORIA WILDLIFE REFUGE. THIS STORM WAS MOVING EAST SOUTHEAST AT 12 MPH. VERY LARGE HAIL WILL LIKELY ACCOMPANY THIS STORM. SEEK SHELTER IN A STRONG BUILDING IMMEDIATELY. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO... GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING. AS A LAST RESORT GET INTO A DITCH OR CULVERT.
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Nov 4, 8:10 PM CST, 4 hours earlier.
Area forecast discussion, Nov 4, 8:10 PM CST, 4 hours before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 800 PM CST TUE NOV 4 1997 PREV REASONING/FCST VALID FOR THE MOST PART. MINOR TWEAKS FOR 1ST PD ONLY. STRONG LLVL MOISTURE CONVERGENCE CONTINUING OVR SW RGN OF FA. HGX WSR-88D VWP INDICATE SLY WND 35-40 KTS TO 3KFT BECMG SWLY AT 5KFT AT 25 KT. UPPER LVL JET PUNCHING ACRS RGN. MST CELLS DEVLPG OVR SW ZNS HAVE SHOWN ROTATION THE PAST FEW HOURS. WL HAVE TO CLOSELY MONITOR SITUATION. PRELIMS... CLL E/E>V V/U 61/76 46/72 5300 (PSBL SVR TNGT-MID MRNG) IAH E/E>B V/U 61/77 48/71 5400 (PSBL SVR TNGT-LATE MRNG) GLS E/E B>V/U 65/76 56/70 5410 (PSBL SVR TNGT-NOONISH) 1ST PD GLS AREA...LOWER 60S INLAND...MID TO UPPER 60S COAST. #37
In the hours before
Local storm report, Nov 4, 10:01 PM CST, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TEXAS
1101 PM CDT TUE NOV 04 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0758 PM MIDFIELD TX WIND DAMAGE
11/04/97 MATAGORDA CAR BLOWN OFF ROAD BY
STRONG WINDS ON HIGHWAY 71
NORTH OF MIDFIELD. UNKNOWN
INJURIES.Local storm report, Nov 4, 10:04 PM CST, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TEXAS
1101 PM CDT TUE NOV 04 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0758 PM MIDFIELD TX WIND DAMAGE
11/04/97 MATAGORDA CAR BLOWN OFF ROAD BY
STRONG WINDS ON HIGHWAY 71
l NORTH OF MIDFIELD. UNKNOWN
INJURIES.Local storm report, Nov 4, 10:04 PM CST, 2 hours 6 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE HOUSTON, TX
1004 PM CST TUE NOV 04 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0658 PM MIDFIELD TX WIND DAMAGE
11/04/97 MATAGORDA CAR BLOWN OFF ROAD BY
STRONG WINDS ON HIGHWAY 71
NORTH OF MIDFIELD. UNKNOWN
INJURIES.Local storm report, Nov 4, 10:05 PM CST, 2 hours 5 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE HOUSTON, TX
1004 PM CST TUE NOV 04 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0658 PM MIDFIELD TX WIND DAMAGE
11/04/97 MATAGORDA CAR BLOWN OFF ROAD BY
STRONG WINDS ON HIGHWAY 71
NORTH OF MIDFIELD. UNKNOWN
INJURIES.The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 6:15 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 60 min |
| Nov 4, 6:36 PM CST | Tornado Warning | HGX | Matagorda | 54 min |
| Nov 4, 10:26 PM CST | Severe Thunderstorm Warning | HGX | Brazoria | 64 min |
| Nov 4, 11:01 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 59 min |
| Nov 4, 11:34 PM CST | Severe Thunderstorm Warning | HGX | Brazoria | 41 min |
| Nov 5, 2:16 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 59 min |
| Nov 5, 3:25 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 65 min |
| Nov 5, 3:59 AM CST | Severe Thunderstorm Warning | HGX | Galveston | 61 min |
| Nov 5, 4:06 AM CST | Severe Thunderstorm Warning | HGX | Houston | 69 min |
| Nov 5, 4:30 AM CST | Severe Thunderstorm Warning | HGX | Matagorda | 60 min |
| Nov 5, 4:35 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 55 min |
| Nov 5, 5:21 AM CST | Severe Thunderstorm Warning | HGX | Houston | 54 min |
| Nov 5, 5:31 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 59 min |
| Nov 5, 6:00 AM CST | Severe Thunderstorm Warning | HGX | Houston | 60 min |
| Nov 5, 7:02 AM CST | Severe Thunderstorm Warning | HGX | Houston | 58 min |
| Nov 5, 7:26 AM CST | Flash Flood Warning | HGX | Houston | 2 hr |
| Nov 5, 7:26 AM CST | Severe Thunderstorm Warning | HGX | Trinity | 64 min |
| Nov 5, 8:05 AM CST | Severe Thunderstorm Warning | HGX | Houston | 55 min |
| Nov 5, 8:31 AM CST | Flash Flood Warning | HGX | Houston, Trinity | 119 min |
| Nov 5, 8:47 AM CST | Severe Thunderstorm Warning | HGX | Trinity | 58 min |
| Nov 5, 8:52 AM CST | Severe Thunderstorm Warning | HGX | Polk | 68 min |
| Nov 5, 10:38 AM CST | Tornado Warning | HGX | Liberty | 37 min |
| Nov 5, 2:55 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 50 min |
Nearby
Tornado Warnings in Texas, 1997Every tornado warning in 1997Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.