Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 110, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 28, 1997, 2:18 PM CDT for Waller County, Texas. It was in force for 57 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
- May 28, 1997, 2:18 PM CDT (19:18 UTC)
- Expired
- May 28, 1997, 3:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Waller County, TX
The radar
The Houston radar (KHGX), 106 km from the middle of the area, began a volume at 19:17 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 28, 2:50 PM CDT | Hail 0.75 | Brookshire, 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.3 hours before the alert went out and 269 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
- 418 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 1363 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 699 m²/s²
- 0-3 km storm-relative helicity
- 723 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 2:15 PM CDT, 3 minutes earlier.
Area forecast discussion, May 28, 2:15 PM CDT, 3 minutes before
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</html>In the hours before
Special weather statement, May 28, 10:57 AM CDT, 3 hours 21 minutes before
TXZ176>179-195>200-210>214-226-227-235>238-511-513-282300- SEVERE WEATHER AND HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1057 AM CDT WED MAY 28 1997 ...SOUTHEAST TEXAS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY... ALL OF SOUTHEAST TEXAS IS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS THROUGH THIS AFTERNOON. THIS SLIGHT RISK AREA INCLUDES THE BRYAN-COLLEGE STATION...HOUSTON...AND GALVESTON AREAS. A STATIONARY FRONT REMAINS TO THE NORTH AND NORTHWEST OF SOUTHEAST TEXAS. THE ATMOSPHERE ACROSS SOUTHEAST TEXAS AHEAD OF THE FRONT IS VERY MOIST AND UNSTABLE. AS A RESULT...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP TODAY...AND SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE. THE GREATEST SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. SEVERAL WATERSPOUTS HAVE BEEN REPORTED BY THE COAST GUARD OVER GALVESTON BAY THIS MORNING. RESIDENTS ACROSS SOUTHEAST TEXAS SHOULD BE ALERT FOR ADDITIONAL WATERSPOUT AND POSSIBLE TORNADO FORMATION DURING THE DAY. IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALLY HEAVY RAINFALL IS POSSIBLE DUE TO THE SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS. THE HEAVIEST RAINFALL THREAT WILL BE EAST OF A LINE FROM HUNTSVILLE TO RICHMOND TO SARGENT. THIS AREA INCLUDES THE CITIES OF HOUSTON AND GALVESTON. RAINFALL TOTALS WILL AVERAGE 1 INCH...WITH ISOLATED TOTALS BETWEEN 3 AND 4 INCHES POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WATCHES AND WARNINGS.
Special weather statement, May 28, 10:58 AM CDT, 3 hours 20 minutes before
TXZ176>179-195>200-210>214-226-227-235>238-511-513-282300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1057 AM CDT WED MAY 28 1997 ...SOUTHEAST TEXAS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY... ALL OF SOUTHEAST TEXAS IS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS THROUGH THIS AFTERNOON. THIS SLIGHT RISK AREA INCLUDES THE BRYAN-COLLEGE STATION...HOUSTON...AND GALVESTON AREAS. A STATIONARY FRONT REMAINS TO THE NORTH AND NORTHWEST OF SOUTHEAST TEXAS. THE ATMOSPHERE ACROSS SOUTHEAST TEXAS AHEAD OF THE FRONT IS VERY MOIST AND UNSTABLE. AS A RESULT...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP TODAY...AND SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE. THE GREATEST SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. SEVERAL WATERSPOUTS HAVE BEEN REPORTED BY THE COAST GUARD OVER GALVESTON BAY THIS MORNING. RESIDENTS ACROSS SOUTHEAST TEXAS SHOULD BE ALERT FOR ADDITIONAL WATERSPOUT AND POSSIBLE TORNADO FORMATION DURING THE DAY. IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALLY HEAVY RAINFALL IS POSSIBLE DUE TO THE SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS. THE HEAVIEST RAINFALL THREAT WILL BE EAST OF A LINE FROM HUNTSVILLE TO RICHMOND TO SARGENT. THIS AREA INCLUDES THE CITIES OF HOUSTON AND GALVESTON. RAINFALL TOTALS WILL AVERAGE 1 INCH...WITH ISOLATED TOTALS BETWEEN 3 AND 4 INCHES POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WATCHES AND WARNINGS.
Special weather statement, May 28, 11:00 AM CDT, 3 hours 18 minutes before
TXZ176>179-195>200-210>214-226-227-235>238-511-513-282300- SEVERE WEATHER AND HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1057 AM CDT WED MAY 28 1997 ...SOUTHEAST TEXAS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY... ALL OF SOUTHEAST TEXAS IS UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS THROUGH THIS AFTERNOON. THIS SLIGHT RISK AREA INCLUDES THE BRYAN-COLLEGE STATION...HOUSTON...AND GALVESTON AREAS. A STATIONARY FRONT REMAINS TO THE NORTH AND NORTHWEST OF SOUTHEAST TEXAS. THE ATMOSPHERE ACROSS SOUTHEAST TEXAS AHEAD OF THE FRONT IS VERY MOIST AND UNSTABLE. AS A RESULT...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP TODAY...AND SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE. THE GREATEST SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING WINDS. SEVERAL WATERSPOUTS HAVE BEEN REPORTED BY THE COAST GUARD OVER GALVESTON BAY THIS MORNING. RESIDENTS ACROSS SOUTHEAST TEXAS SHOULD BE ALERT FOR ADDITIONAL WATERSPOUT AND POSSIBLE TORNADO FORMATION DURING THE DAY. IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALLY HEAVY RAINFALL IS POSSIBLE DUE TO THE SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS. THE HEAVIEST RAINFALL THREAT WILL BE EAST OF A LINE FROM HUNTSVILLE TO RICHMOND TO SARGENT. THIS AREA INCLUDES THE CITIES OF HOUSTON AND GALVESTON. RAINFALL TOTALS WILL AVERAGE 1 INCH...WITH ISOLATED TOTALS BETWEEN 3 AND 4 INCHES POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WATCHES AND WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:16 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Madison | 59 min |
| May 27, 7:49 PM CDT | Severe Thunderstorm Warning | HGX | Grimes | 56 min |
| May 27, 7:57 PM CDT | Severe Thunderstorm Warning | HGX | Walker | 63 min |
| May 27, 11:22 PM CDT | Severe Thunderstorm Warning | HGX | Grimes | 53 min |
| May 27, 11:40 PM CDT | Flash Flood Warning | HGX | Grimes, Walker | 2 hr |
| May 28, 12:23 AM CDT | Severe Thunderstorm Warning | HGX | Grimes, Montgomery, Walker | 67 min |
| May 28, 12:43 AM CDT | Severe Thunderstorm Warning | HGX | Houston | 62 min |
| May 28, 10:43 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 62 min |
| May 28, 11:44 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 61 min |
| May 28, 12:56 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 64 min |
| May 28, 1:48 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 57 min |
| May 28, 1:58 PM CDT | Severe Thunderstorm Warning | HGX | San Jacinto | 62 min |
| May 28, 2:52 PM CDT | Severe Thunderstorm Warning | HGX | Austin | 68 min |
| May 28, 2:59 PM CDT | Tornado Warning | HGX | Polk | 31 min |
| May 28, 3:16 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 59 min |
| May 28, 3:36 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend | 69 min |
| May 28, 4:38 PM CDT | Severe Thunderstorm Warning | HGX | Jackson, Matagorda, Wharton | 67 min |
| May 28, 5:57 PM CDT | Severe Thunderstorm Warning | HGX | Jackson | 63 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.