Alert archive / Texas / Tornado Warnings in 1990
Tornado Warning 4, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Apr 14, 1990, 11:09 AM CDT for Matagorda County, Texas. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Apr 14, 1990, 11:09 AM CDT (16:09 UTC)
- Expired
- Apr 14, 1990, 12:15 PM CDT
- In force
- 66 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Matagorda County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 4.2 hours before the alert went out and 176 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
- 1686 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 141610 TORHOU TXC321-141715- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON TX 1109 AM CDT SAT APR 14 1990 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TEXAS ...MATAGORDA COUNTY FOR THE COASTAL WATERS ADJACENT TO MATAGORDA AND BRAZORIA COUNTIES AT 1100 AM THE MATAGORDA COUNTY SHERIFFS DEPARTMENT REPORTED SEVERAL FUNNEL CLOUDS HAD BEEN REPORTED IN THE BAY CITY AREA. A FUNNEL CLOUD WAS IN SIGHT NORTHWEST OF BAY CITY MOVING SOUTHEAST. RADAR SHOWS STRONG THUNDERSTORMS IN THE BAY CITY AREA MOVING SOUTHEAST 40 MPH. IF YOU ARE CAUGHT OUTSID*E...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 14, 6:20 AM CDT, 4 hours 49 minutes before
TXZ047-037-032-045-046-047-141215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 618 AM CDT SAT APR 14 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EAST TEXAS THIS MORNING UNTIL 9 AM. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS...AUSTIN..COLORADO ..WASHINGTON...GRIMES...WALKER...WALLER..MONTGOMERY...SAN JACINTO... ..POLK...HOUSTON...AND TRINITY. THE WATCH DOES NOT INCLUDE THE HOUSTON...GALVESTON AREA. JUST AFTER 6 AM...RADAR SHOWS THE SIGNIFICANT THUNDERSTORM ACTIVITY STILL WEST AND NORTHWEST OF THE ABOVE COUNTIES...ROUGHLY IN THE AREA FROM NEAR AUSTIN TO WACO. THESE THUNDERSTORMS WILL DEVELOPE AND SPREAD TO THE SOUTHEAST THIS MORNING AND RESIDENTS IN THE WATCH AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER APPROACHING FROM THE WEST OR NORTHWEST...AND BE READY TO TAKE PROTECTIVE ACTION SHOULD WARNINGS BE ISSUED. STAY TUNED TO YO-UR WEATHER RADIO...LOCAL RADIO AND TV...FOR FUTHER BULLETIENS THROUGHOUT THIS THREAT.
Special weather statement, Apr 14, 7:36 AM CDT, 3 hours 33 minutes before
TXZ047-037-032-045-046-047-141215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 735 AM CDT SAT APR 14 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR A PORTION OF SOUTHEAST TEXAS THIS MORNING UNTIL 9 AM. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS...AUSTIN..COLORADO...WASHINGTON...GRIMES.. WALKER...WALLER..MONTGOMERY...SAN JACINTO...POLK..HOUSTON..AND TRINITY.. THE WATCH DOES NOT INCLUDE THE HOUSTON...GALVESTON AREA. AT 730 AM...RADAR SHOWS A LINE OF THUNDERSTORMS APPROACHING SOUTHEAST TEXS FROM THE NORTHWEST....FROM NEAR COLLEGE STATION TO ABOUT 20 MILES NORTHWEST OF CROCKET. THE LINE OF TUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 30 MPH. IT WILL BE MOVING IN HOUSTON COUNTY SHORTLY...THEN INTO WASHINGTON ...GRIMES...WALKER..AND TRINITY COUNTIES BETWEEN 8 AM AND 9 AM. RESIDENTS IN THESE COUNTIES SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS APPROACHINGFROM THE NORTHWEST AND LISTEN TO YOUR WEATHER RADIO FOR POSSIBLE WARNINGS.
Special weather statement, Apr 14, 8:06 AM CDT, 3 hours 3 minutes before
TXZ047-037-032-045-046-047-141215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 807 AM CDT SAT APR 14 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR A PORTION OF SOUTHEAST TEXAS THIS MORNING UNTIL 9 AM. THE WATCH INCLUDES THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS...AUSTIN..COLORADO...WASHINGTON...GRIMES.. WALKER...WALLER..MONTGOMERY...SAN JACINTO...POLK..HOUSTON..AND TRINITY.. THE WATCH DOES NOT INCLUDE THE HOUSTON...GALVESTON AREA. AT 800 AM...THE LINE OF THUNDERSTORMS MOVING INTO SOUTHEAST TEXAS HAS PICKED UP FORWARD SPEEND AND WAS SWEEPING SOUTHEAST AT NEAR 50 MPH. INTENSITIES OF THE STORMS APPEAR TO BE BELOW SEVERE LEVEL CATEGORIES..HOWEVER RESIDENTS IN THE COUNTIES UNDER THE WATCH AREA SHOULD STAY ALERT FOR POSSIBLE SEVERE WEATHER OR WARNINGS. THE LINE WILL MOVE THROUGH MOST OF WASHINGTON...GRIMES...WALKER..AND HOUSTON AND TRINITY OVER THE NEXT HOUR TO EXPIRATION TIME OF THE WATCH. BOATERS ON AREA LAKES SHOULD HEAD FOR SAFE HARBOUR UNTIL THE LINE OF STORMS PASSES THROUGH. CAMPERS ON THE LAKE SHOULD BE ALERT FOR STRONG GUSTY WINDS AND DANGEROUS LIGHTNING STRIKES. ON THIS TRACK THE LINE OF THUNDERSTORMS WILL BE AFFECTING LAKE LIVINGSTON@ BY ABOUT 9...AND SHOULD THE LINE HOLD TOGETHER AND CONTINUE AT THIS SPEED THUNDERSTORMS COULD BE MOVING THROUGH THE HOUSTON AREA BETWEEN 9 AND 10 AM. STAY TUNED TO YOUR WEATHER RADIO..LOCAL RADIO AND TV...FOR FURTHER UPDATES.
Special weather statement, Apr 14, 8:39 AM CDT, 2 hours 30 minutes before
TXZ045-046-047-141215-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
840 AM CDT SAT APR 14 1990
...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTHEAST TEXAS WILL EXPIRE
AT 9M....
...LINE OF THUNDERSTORMS MOVING RAPIDLY THROUGH SOUTHEAST TEXAS...WEAKENING
IN SOME AREAS...
AT 840 AM...RADAR SHOWS THE LINE OF THUNDERSTORMS HAS MOVED THROUGH MOST OF
THE COUNTIES UNDER THE WATCH...MOVING SOUTHEAST AT NEAR 50 MPH. INTENSITIES
OF STORMS IN THE LINE HAVE WEAKENED IN MOST SECTIONS...BUT STILL FAIRLY STRONG
IN THE COUNTIES OF HARRIS...MONTGOMERY...SAN JACINTO..LIBERTY AND POLK.
AT THIS SPEED AND TRACK THE LINE OF THUNDERSTORMS WILL MOVE THROUGH THE
HOUSTON AREA WITHIN THE NEX{T 30 TO 40 MINUTES...AND PAST HARRIS AND LIBERTY
COUNTIES BY ABOUT 930 AM.
STAY TUNED FOR FURTHER UPDATES.Special weather statement, Apr 14, 8:58 AM CDT, 2 hours 11 minutes before
TXZ045-046-047-141215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 858 AM CDT SAT APR 14 1990 ...LINE OF THUNDERSTORMS MOVING THROUGH HOUSTON.... THE FAST MOVING LINE OF THUNDERSTORMS WAS MOVING THROUGH NORTHERN HARRIS COUNTY JUST BEFORE 9 AM...AND THERE HAVE BEEN REPORTS OF SOME TREE LIMBS DOWN AND SMALL HAIL IN THAT PORTION OF THE COUNTY. NO MAJOR DAMAGE REPORTS RECEIVED. THE STRONGEST THUNDERSTORMS IN THE LINE STRETCH THROUGH NORTH HARRIS COUNTY ..INTO SOUTHEAST MONTGOMERY...SAN-JACINTO...AND POLK COUNTIES...MOVING TO THE SOUTHEAST 40 TO 50 MPH. RESIDENTS IN THESE COUNTIES CAN EXPECT STRONG GUSTY WINDS...BRIEFLY HEAVY RAINS AND FREQUENTS LIGHTNING STRIKES OVER THE NEXT 30 MINUTES OR SO AS THE THUNDERSTORMS MOVE RAPIDLY THROUGH. STAY TUNED TO YOUR WEATHER RADIO..LOCAL RADIO OR TV...FOR FURTHER UPDATES.
Special weather statement, Apr 14, 9:02 AM CDT, 2 hours 7 minutes before
TXZ048-141700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GALVESTON TX 900 AM CDT SAT APR 14 1990 ...LINE OF THUNDERSTORMS MOVING TOWARDS THE UPPER COAST... AT 900 AM CDT..A LINE OF STRONG THUNDERSTORMS... EXTENDING ACROSS THE COASTAL PLAINS WAS APPROACHING THE COAST AT 40 TO 50 MILES AN HOUR. SMALL HAIL AND THUNDERSTORM WIND GUSTS BLOWING DOWN TREE LIMBS HAVE BEEN REPORTED WITH THESE STORMS. THESE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAINS..STRONG GUSTY WINDS AND FREQUENT LIGHTNING. PERSONS IN THE PATH OF THESE DANGEROUS STORMS SHOULD SEEK SHELTER INDOORS AWAY FROM OPEN WINDOWS. MARINE INTERESTS ON GALVESTON BAY AND THE COASTAL WATERS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SHOULD NOT VENTURE FAR FROM PORT. STAY TUNED TO LOCAL RADIO..TV OR THIS NOAA WEATHER RADIO STATION FOR FURTHER STATEMENTS WHICH WILL BE ISSUED AS REQUIRED.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 9:30 AM CDT | Severe Thunderstorm Warning | HGX | Chambers | 90 min |
| Apr 14, 9:42 AM CDT | Severe Thunderstorm Warning | HGX | Galveston | 78 min |
| Apr 14, 10:15 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 60 min |
Nearby
Tornado Warnings in Texas, 1990Every tornado warning in 1990Tornadoes in 1990
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.