Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 25, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jan 13, 1998, 11:49 AM CST for Chambers County, Liberty County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 13, 1998, 11:49 AM CST (17:49 UTC)
- Expired
- Jan 13, 1998, 2:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Chambers County, TX, Liberty County, TX
The radar
The Houston radar (KHGX), 60 km from the middle of the area, began a volume at 17:52 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 12:00Z, 5.8 hours before the alert went out and 150 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
- 1061 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 476 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
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 flash flood 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 flash flood warning went out at Jan 13, 9:36 AM CST, 2 hours 13 minutes earlier.
Area forecast discussion, Jan 13, 9:36 AM CST, 2 hours 13 minutes before
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</html>In the hours before
Special weather statement, Jan 13, 9:05 AM CST, 2 hours 44 minutes before
TXZ-200-213-214-226-227-235>238-132100- HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 AM CST TUE JAN 13 1998 ...THREAT HEAVY RAINFALL ACROSS SOUTHEAST TEXAS THROUGH THIS AFTERNOON... A WEAK UPPER LEVEL DISTURBANCE COUPLED WITH A COLD FRONT ACROSS THE NORTHERN SECTIONS AND ABUNDANT GULF MOISTURE WILL COMBINE TO PRODUCE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TODAY...MAINLY ALONG AND SOUTH OF AN EDNA TO RICHMOND TO LIBERTY LINE. OTHER CITIES INCLUDED IN THE OUTLOOK AREA ARE...HOUSTON... ANAHUAC... GALVESTON... ANGLETON AND BAY CITY. AT 9 AM...WEATHER RADAR WAS SHOWING A LARGE AREA OF SHOWERS AND THUNDERSTORMS JUST OFFSHORE AND SLOWLY PROGRESSING TO THE NORHTEAST. SCATTERED SHOWERS WERE ALSO NOTED DEVELOPING ACROSS THE OUTLOOK AREA AND EXPECTED TO BECOME MORE NUMEROUS THROUGHOUT THE DAY. RAINFALL AMOUNTS COULD AVERAGE FROM 1 TO 2 INCHES WITH ISOLATED TOTALS OF 3 TO 4 INCHES POSSIBLE. WITH RECENT HEAVY RAINS ACROSS A LARGE PORTION OF SOUTHEAST TEXAS...ADDITIONAL HEAVY RAINFALL COULD LEAD TO A THREAT OF FLASH FLOODING. THEREFORE...RESIDENTS ACROSS SOUTHEAST TEXAS ARE STRONGLY URGED TO STAY ABREAST OF THIS DEVELOPING WEATHER SITUATION. IF CONDITIONS WORSEN AND APPEAR TO POINT TOWARD A FLOOD THREAT...A FLASH FLOOD WATCH MAY BE REQUIRED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
Special weather statement, Jan 13, 9:05 AM CST, 2 hours 44 minutes before
TXZ-200-213-214-226-227-235>238-132100- HEAVY RAINFALL OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 AM CST TUE JAN 13 1998 ...THREAT HEAVY RAINFALL ACROSS SOUTHEAST TEXAS THROUGH THIS AFTERNOON... A WEAK UPPER LEVEL DISTURBANCE COUPLED WITH A COLD FRONT ACROSS THE NORTHERN SECTIONS AND ABUNDANT GULF MOISTURE WILL COMBINE TO PRODUCE SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS TODAY...MAINLY ALONG AND SOUTH OF AN EDNA TO RICHMOND TO LIBERTY LINE. OTHER CITIES INCLUDED IN THE OUTLOOK AREA ARE...HOUSTON... ANAHUAC... GALVESTON... ANGLETON AND BAY CITY. AT 9 AM...WEATHER RADAR WAS SHOWING A LARGE AREA OF SHOWERS AND THUNDERSTORMS JUST OFFSHORE AND SLOWLY PROGRESSING TO THE NORHTEAST. SCATTERED SHOWERS WERE ALSO NOTED DEVELOPING ACROSS THE OUTLOOK AREA AND EXPECTED TO BECOME MORE NUMEROUS THROUGHOUT THE DAY. RAINFALL AMOUNTS COULD AVERAGE FROM 1 TO 2 INCHES WITH ISOLATED TOTALS OF 3 TO 4 INCHES POSSIBLE. WITH RECENT HEAVY RAINS ACROSS A LARGE PORTION OF SOUTHEAST TEXAS...ADDITIONAL HEAVY RAINFALL COULD LEAD TO A THREAT OF FLASH FLOODING. THEREFORE...RESIDENTS ACROSS SOUTHEAST TEXAS ARE STRONGLY URGED TO STAY ABREAST OF THIS DEVELOPING WEATHER SITUATION. IF CONDITIONS WORSEN AND APPEAR TO POINT TOWARD A FLOOD THREAT...A FLASH FLOOD WATCH MAY BE REQUIRED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 2:05 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 60 min |
| Jan 13, 3:05 PM CST | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 75 min |
Nearby
Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998
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.