Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 99, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 27, 1997, 7:16 PM CDT for Brazos County, Madison County, Texas. It was in force for 59 min. 2 reports 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 27, 1997, 7:16 PM CDT (00:16 UTC)
- Expired
- May 27, 1997, 8:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Brazos County, TX, Madison County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 7:54 PM CDT | Hail 1.25 | North Zulch, TX | |
| May 27, 7:55 PM CDT | Hail 0.75 | Madisonville, 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 27, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
| May 27, 7:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.3 hours before the alert went out and 290 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
- 3458 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 27, 2:30 PM CDT, 4 hours 46 minutes earlier.
Area forecast discussion, May 27, 2:30 PM CDT, 4 hours 46 minutes before
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</html>In the hours before
Special weather statement, May 27, 3:48 PM CDT, 3 hours 28 minutes before
TXZ163-164-176>179-195>198-210-211-280400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 348 PM CDT TUE MAY 27 1997 ...TORNADO WATCH IN EFFECT FOR WESTERN PORTIONS OF SOUTHEAST TEXAS UNTIL 1000 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR THE FOLLOWING COUNTIES IN THE WESTERN PORTIONS OF SOUTHEAST TEXAS... BRAZOS...BURLESON...WASHINGTON...AUSTIN...AND COLORADO. THE TORNADO WATCH THAT WAS IN EFFECT UNTIL 700 PM FOR MADISON... HOUSTON...TRINITY...GRIMES...WALKER...SAN JACINTO...AND POLK COUNTIES REMAINS IN EFFECT. A SLOW SOUTHEAST MOVING COLD FRONT TO THE NORTH AND WEST OF SOUTHEAST TEXAS IS THE FOCUS FOR SHOWER AND THUNDERSTORM DEVELOPMENT THIS AFTERNOON. AS THIS BOUNDARY CONTINUES TO DRIFT TO THE SOUTH AND SOUTHEAST...SOME THUNDERSTORMS WILL BE CAPABLE OF BECOMING SEVERE. SEVERE THUNDERSTORMS HAVE ALREADY DEVELOPED BETWEEN WACO AND AUSTIN...PRODUCING VERY LARGE HAIL AND TORNADOES. ANY THUNDERSTORMS THAT DO DEVELOP IN OR NEAR THE TORNADO WATCH AREAS HAVE A GOOD POTENTIAL OF BECOMING SEVERE. IF SEVERE WEATHER IS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW ENFORCEMENT OFFICE IMMEDIATELY AND ASK THEM TO RELAY YOUR REPORT TO THE HOUSTON/GALVESTON NATIONAL WEATHER SERVICE OFFICE. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS.
Special weather statement, May 27, 6:50 PM CDT, 26 minutes before
TXZ163-164-176>179-195>199-210-211-280600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 650 PM CDT TUE MAY 27 1997 ...TORNADO WATCH IN EFFECT FOR NORTHERN PORTIONS OF SOUTHEAST TEXAS UNTIL 100 AM... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR THE FOLLOWING COUNTIES IN THE NORTHERN PORTIONS OF SOUTHEAST TEXAS... BRAZOS...BURLESON...MADISON...GRIMES...WALKER...MONTGOMERY... HOUSTON...TRINITY...SAN JACINTO...AND POLK. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM FOR WASHINGTON... AUSTIN...AND COLORADO COUNTIES. SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP TO THE NORTH AND WEST OF SOUTHEAST TEXAS ACROSS A VERY UNSTABLE AIRMASS. THESE STORMS WILL CONTINUE TO SLOWLY PROGRESS TO THE SOUTH AND SOUTH SOUTHEAST TOWARD SOUTHEAST TEXAS...AND MAY DEVELOP INTO A SQUALL LINE AFTER SUNSET. THUNDERSTORMS FROM THIS SAME SYSTEM HAVE A HISTORY OF PRODUCING LARGE HAIL...DAMAGING WINDS AND TORNADOES BETWEEN AUSTIN AND WACO RESULTING IN NUMEROUS INJURIES AND FATALITIES. THE THUNDERSTORMS THAT DEVELOP ACROSS SOUTHEAST TEXAS HAVE THE POTENTIAL TO BE AS SEVERE AS THESE STORMS EARLIER TODAY. LARGE HAIL AND DAMAGING WINDS ARE THE GREATEST THREAT WITH THIS EVENINGS THUNDERSTORMS. CONDITIONS ARE ALSO FAVORABLE FOR TORNADOES TO DEVELOP IN AND NEAR THE WATCH AREAS. IF SEVERE WEATHER IS OBSERVED...PLEASE CONTACT YOUR LOCAL LAW ENFORCEMENT OFFICE IMMEDIATELY AND ASK THEM TO RELAY YOUR REPORT TO THE HOUSTON/GALVESTON NATIONAL WEATHER SERVICE OFFICE. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:49 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, 2:18 PM CDT | Severe Thunderstorm Warning | HGX | Waller | 57 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.