Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 181, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Aug 23, 1997, 2:12 AM CDT for Montgomery County, Texas. It was in force for 63 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
- Aug 23, 1997, 2:12 AM CDT (07:12 UTC)
- Expired
- Aug 23, 1997, 3:15 AM CDT
- In force
- 63 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Montgomery County, TX
The radar
The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 07:11 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 |
|---|---|---|---|
| Aug 23, 2:27 AM CDT | Hail 0.75 | Cut And Shoot, 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 00:00Z, 7.2 hours before the alert went out and 222 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
- 20 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1014 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -145 m²/s²
- 0-3 km storm-relative helicity
- -96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 Aug 22, 8:36 PM CDT, 5 hours 36 minutes earlier.
Area forecast discussion, Aug 22, 8:36 PM CDT, 5 hours 36 minutes before
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</html>In the hours before
Special weather statement, Aug 22, 9:00 PM CDT, 5 hours 12 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-511-513-231100- SEVERE WEATHER AND HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 900 PM CDT FRI AUG 22 1997 THUNDERSTORMS PRODUCING HEAVY RAINFALL COULD AFFECT SOUTHEAST TEXAS TONIGHT...ALTHOUGH THEY WILL BE MAINLY EAST OF A LINE FROM CROCKETT TO COLDSPRING TO LIBERTY TO HIGH ISLAND. IN ADDITION THE POSSIBILITY OF ISOLATED SEVERE THUNDERSTORMS EXSIST OVER ALL OF SOUTHEAST TEXAS TONIGHT. SHOWER AND THUNDERSTORMS THAT MOVED THROUGH THE AREA EARLIER THIS EVENING HAVE LEFT BEHIND A SHALLOW DOME OF COOL SATURATED AIR OVER THE EASTERN PORTIONS OF THE REGION. AN APPROACHING UPPER LEVEL DISTURBANCE WILL HELP A LARGE CLUSTER OF THUNDERSTORMS TO DEVELOP AND MOVE SOUTH ALONG THE SABINE RIVER VALLEY. THUNDERSTORMS MAY DEVELOP ALONG THE WESTERN FLANK OF THIS CLUSTER AND SPREAD TO THE SOUTHWEST BRINGING THE THREAT OF LOCALLY HEAVY RAIN AND POSSIBLY SEVERE WEATHER IN THE FORM OF GUSTY WINDS AND HAIL. WITH THE GULF MOISTURE PRESENT IN THE ATMOSPHERE AND THE SHALLOW DOME OF COOL AIR TO THE EAST TO FOCUS THE CONVECTION ALONG...RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE MAINLY EAST OF A LINE FROM HIGH ISLAND TO CROCKETT. MARINE INTERESTS ALONG THE UPPER TEXAS COASTAL WATERS CAN EXPECT ISOLATED SEVERE THUNDERSTORMS TO BE A THREAT THROUGHOUT THE OVERNIGHT HOURS. EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS SHOULD CONTINUE TO MONITOR THIS WEATHER SITUATION. STAY TUNED TO NOAA WEATHER RADIO...OR THE LOCAL MEDIA OUTLETS FOR FURTHER UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Aug 22, 9:02 PM CDT, 5 hours 10 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-511-513-231100- SEVERE WEATHER AND HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 900 PM CDT FRI AUG 22 1997 THUNDERSTORMS PRODUCING HEAVY RAINFALL COULD AFFECT SOUTHEAST TEXAS TONIGHT...ALTHOUGH THEY WILL BE MAINLY EAST OF A LINE FROM CROCKETT TO COLDSPRING TO LIBERTY TO HIGH ISLAND. IN ADDITION THE POSSIBILITY OF ISOLATED SEVERE THUNDERSTORMS EXSIST OVER ALL OF SOUTHEAST TEXAS TONIGHT. SHOWER AND THUNDERSTORMS THAT MOVED THROUGH THE AREA EARLIER THIS EVENING HAVE LEFT BEHIND A SHALLOW DOME OF COOL SATURATED AIR OVER THE EASTERN PORTIONS OF THE REGION. AN APPROACHING UPPER LEVEL DISTURBANCE WILL HELP A LARGE CLUSTER OF THUNDERSTORMS TO DEVELOP AND MOVE SOUTH ALONG THE SABINE RIVER VALLEY. THUNDERSTORMS MAY DEVELOP ALONG THE WESTERN FLANK OF THIS CLUSTER AND SPREAD TO THE SOUTHWEST BRINGING THE THREAT OF LOCALLY HEAVY RAIN AND POSSIBLY SEVERE WEATHER IN THE FORM OF GUSTY WINDS AND HAIL. WITH THE GULF MOISTURE PRESENT IN THE ATMOSPHERE AND THE SHALLOW DOME OF COOL AIR TO THE EAST TO FOCUS THE CONVECTION ALONG...RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE MAINLY EAST OF A LINE FROM HIGH ISLAND TO CROCKETT. MARINE INTERESTS ALONG THE UPPER TEXAS COASTAL WATERS CAN EXPECT ISOLATED SEVERE THUNDERSTORMS TO BE A THREAT THROUGHOUT THE OVERNIGHT HOURS. EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS SHOULD CONTINUE TO MONITOR THIS WEATHER SI*TUATION. STAY TUNED TO NOAA WEATHER RADIO...OR THE LOCAL MEDIA OUTLETS FOR FURTHER UPDATES ON THIS DEVELOPING WEATHER SITUATION.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 2:57 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 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.