Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 143, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 17, 1997, 10:05 AM CDT for Austin County, Washington County, Texas. It was in force for 55 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
- Jun 17, 1997, 10:05 AM CDT (15:05 UTC)
- Expired
- Jun 17, 1997, 11:00 AM CDT
- In force
- 55 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Austin County, TX, Washington County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 10:50 AM CDT | Thunderstorm Wind | Kenney, TX | Trees blown down blocking area roads. |
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
Corpus Christi, TX (KCRP), launched 12:00Z, 3.1 hours before the alert went out and 276 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
- 2899 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 8.1
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 Jun 17, 9:40 AM CDT, 25 minutes earlier.
Area forecast discussion, Jun 17, 9:40 AM CDT, 25 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 939 AM CDT TUE JUN 17 1997 REAL BUSY WITH SVR TSTMS. CF (APRG A TYR...CLL...SAT LN) DIPPING INTO NRN SECTIONS OF FA WITH STRNG UPR LVL SHRT WV TREKING ACRS OK/N TX. 50H-20H ANALYSIS SHOWS SPD MX PULLING ARND BOTTOM OF SHRT WV AND PLACING CNTL-E TX IN FAVORABLE RRQ. MRNG SOUNDINGS SHOW PLENTY OF INSTABILITY AND MOISTURE WITH 5000+ CAPES...-11 LI'S AND NEAR 2 INCH PW'S. CF SHUD STALL ACRS FA AND PROVIDE FOCUS FOR CONT TSTM DEVELOPMENT THRU AFTN HTG TDY. BACK BLDG ALONG FNT TO WSW WILL LIKELY PERSIST AS 85H SHOWS MOIST AXIS FM NEAR LCH BACK ACRS S CNTL TX TO SOUTH OF SAT. CRNT FCST ON TREK FOR TDY WITH MENTION OF SVR AND HVY RAINS. MDLS SHOW ANOTHER WEAK PIECE OF ENERGY IN THE NW FLOW RIDING ACRS TX LATER TNGT. HARD TO PICK OUT IN WV LOOP AND FEEL ONCE UPR SPD MX PULLS OUT TO NE...FA WILL BE OUT OF THE SVR WX THREAT FOR TNGT. WILL WAIT FOR NXT MDL RUN TO MAKE ADJUSTMENTS WITH PSBL SVR AND HVY RAINS FOR TNGT. NO CHANGES ATTM. FFA FOR SE TX THRU AT LEAST TDY STILL OK. 39 PRELIMS... CLL EEBB 087/073/091/074 7332 IAH EEBE 089/076/091/075 6332 GLS EEBE 087/081/088/080 6443
In the hours before
Special weather statement, Jun 17, 6:30 AM CDT, 3 hours 35 minutes before
TXZ163-164-177>179-199-200-171635- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 631 AM CDT TUE JUN 17 1997 ...TORNADO WATCH IN EFFECT FOR NORTHERN PORTIONS OF SOUTHEAST TEXAS UNTIL NOON... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEST TEXAS THIS MORNING UNTIL NOON. THE COUNTIES IN THE WATCH INCLUDE: HOUSTON...TRINITY...LIBERTY...POLK...MONTGOMERY...SAN JACINTO AND WALKER. A STRONG UPPER LEVEL DISTURBANCE CONTINUED TO MOVE INTO THE VERY WARM MOIST AND UNSTABLE AIRMASS OVER THE REGION. ADDITIONAL THUNDERSTORM DEVELOPMENT IS LIKELY LATER THIS MORNING AS HEATING FURTHER DESTABILIZES THE ATMOSPHERE. WINDS SHEARS DO INDICATE THE POSSIBILITY OF ISOLATED TORNADOES. HOWEVER...THE MAIN SEVERE WEATHER THREAT SHOULD BE FROM SEVERE THUNDERSTORMS THAT PRODUCE STRONG DAMAGING WINDS WHICH COULD KNOCK DOWN TREES AND POWER LINES. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR LATER STATEMENTS OR WARNINGS CONCERNING THIS SEVERE WEATHER SITUATION.
Special weather statement, Jun 17, 6:31 AM CDT, 3 hours 34 minutes before
TXZ163-164-177>179-199-200-171635- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 631 AM CDT TUE JUN 17 1997 ...TORNADO WATCH IN EFFECT FOR NORTHERN PORTIONS OF SOUTHEAST TEXAS UNTIL NOON... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHEST TEXAS THIS MORNING UNTIL NOON. THE COUNTIES IN THE WATCH INCLUDE: HOUSTON...TRINITY...LIBERTY...POLK...MONTGOMERY...SAN JACINTO AND WALKER. A STRONG UPPER LEVEL DISTURBANCE CONTINUED TO MOVE INTO THE VERY WARM MOIST AND UNSTABLE AIRMASS OVER THE REGION. ADDITIONAL THUNDERSTORM DEVELOPMENT IS LIKELY LATER THIS MORNING AS HEATING FURTHER DESTABILIZES THE ATMOSPHERE. WINDS SHEARS DO INDICATE THE POSSIBILITY OF ISOLATED TORNADOES. HOWEVER...THE MAIN SEVERE WEATHER THREAT SHOULD BE FROM SEVERE THUNDERSTORMS THAT PRODUCE STRONG DAMAGING WINDS WHICH COULD KNOCK DOWN TREES AND POWER LINES. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR LATER STATEMENTS OR WARNINGS CONCERNING THIS SEVERE WEATHER SITUATION.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 5:28 AM CDT | Severe Thunderstorm Warning | HGX | Madison | 62 min |
| Jun 17, 5:38 AM CDT | Severe Thunderstorm Warning | HGX | Houston | 22 min |
| Jun 17, 5:52 AM CDT | Severe Thunderstorm Warning | HGX | Trinity | 68 min |
| Jun 17, 6:14 AM CDT | Severe Thunderstorm Warning | HGX | Polk | 61 min |
| Jun 17, 7:26 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Grimes, Waller, Washington | 64 min |
| Jun 17, 7:46 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 59 min |
| Jun 17, 8:09 AM CDT | Severe Thunderstorm Warning | HGX | Polk | 36 min |
| Jun 17, 8:43 AM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery, San Jacinto | 62 min |
| Jun 17, 9:08 AM CDT | Severe Thunderstorm Warning | HGX | Burleson, Washington | 67 min |
| Jun 17, 10:19 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery, Waller | 56 min |
| Jun 17, 10:46 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 59 min |
| Jun 17, 11:18 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 57 min |
| Jun 17, 11:24 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 66 min |
| Jun 17, 11:52 AM CDT | Tornado Warning | HGX | Harris | 68 min |
| Jun 17, 12:13 PM CDT | Tornado Warning | HGX | Chambers | 62 min |
| Jun 17, 12:19 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 56 min |
| Jun 17, 12:27 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 63 min |
| Jun 17, 1:08 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 67 min |
| Jun 17, 6:24 PM CDT | Severe Thunderstorm Warning | HGX | Wharton | 66 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.