Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 2, NWS Houston/Galveston, TX

January 21, 2006Matagorda County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jan 21, 2006, 5:13 PM CST for Matagorda County, Texas. It was in force for 32 min. 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 21, 2006, 5:13 PM CST (23:13 UTC)
Expired: Jan 21, 2006, 5:45 PM CST
In force: 32 min
Issued by: NWS Houston/Galveston, TX
Area: Counties, with a storm outline in the text

County Matagorda County, TX

The radar

The Houston radar (KHGX), 118 km from the middle of the area, began a volume at 23:14 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 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 Jan 21, 4:00 PM CST, 1 hour 13 minutes earlier.

Area forecast discussion, Jan 21, 4:00 PM CST, 1 hour 13 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
400 PM CST SAT JAN 21 2006

.DISCUSSION...
SHRA/TSRAS MOVING ASHORE ATTM BUT IT LOOKS LIKE THIS MORNINGS FRONTAL
BOUNDARY IS REMAINING JUST OFF THE TX COAST. THE BIG WET STILL IN THE
BOOKS FOR TOMORROW AS THE INGREDIENTS CONTINUE TO COME TOGETHER. WVPR
IMAGERY SHOWING THE NEXT S/W JUST ON THE OTHER SIDE OF THE RIO GRANDE
THIS AFTN. THIS FEATURE COMBINED WITH THE ONGOING ISENTROPIC LIFT AND
THE AFOREMENTIONED BOUNDARY MOVING BACK INLAND....ALONG WITH PROGS OF
A DEVELOPING COASTAL LOW AND GOOD DIVERGENCE ALOFT ALL POINT TO WIDE-
SPREAD PCPN OVER SE TX. BEST GUESS RAINFALL AMOUNTS ARE AROUND 1/2-1
AREAWIDE AND PERHAPS ISOLATED 2 (FOR THE CHOSEN FEW). RAIN TO END BY
SUNDAY NIGHT AS THESE SYSTEMS EXIT EAST AND A SECONDARY SURGE OF COLD
AIR MOVES DOWN OFF THE CENTRAL PLAINS. COOLER TEMPS IN THE OFFING BUT
OVERRUNNING HIGH CLOUDS COULD BE SLOW TO CLEAR. THE MAIN UPPER LOW TO
REMAIN PARKED OUT WEST...KEEPING SWLY WINDS ALOFT OVER THE STATE. THE
LOW IS THEN FORECAST TO DIG/DEEPEN A LITTLE BY EARLY MID WEEK RESULT-
ING IN SOME WEAK UPPER RIDGING/CLEARING FOR THIS TIMEFRAME. CLOUD/POP
INCREASES IN THE OFFING AGAIN STARTING LATE WEDNESDAY AS THE MAIN LOW
/TROF AXIS FINALLY BEGINS ITS EASTWARD PUSH. CONFIDENCE NOT VERY HIGH
WITH RESPECT TO POPS WITH THIS SYSTEM AS THE LAST FEW MODEL RUNS HAVE
BEEN OFFERING UP VARYING SOLUTIONS. FOR NOW WILL KEEP WITH LOW CHANCE
POPS. 41
&&

.AVIATION...
MODERATE WAA IN PLACE AND INVERSION HEIGHT FALLING...EXPECTING TO
SEE A STEADY DECREASE IN CEILINGS THIS EVENING WITH LIGHT RAINFALL
SPREADING NORTH ACROSS THE IAH/HOU/GLS/LBX TERMINALS BY AROUND 02Z.
INTERMITTENT RAINFALL TONIGHT INCREASING IN INTENSITY AFTER 07Z. AM
THINKING THAT WE COULD GET SOME FOG OFF THE EASTERLY FETCH CROSS THE
COOLER SHELF WATERS AT GLS/HOU/IAH TONIGHT BUT NOT EXPECTING VISBY
LESS THAN 2 MILES ATTM. NUMERICAL GUIDANCE PROGGING PREVAILING LIFR
10Z-15Z AND AM NOT THAT CONFIDENT THAT IT WILL GET THAT BAD WITH
PRECIPITATION IN THE AREA. 45
&&

.MARINE...
STRONG NORTHEASTERLY WINDS WILL VEER AS PRESSURES FALL NEAR SOUTH
TEXAS AND AN UPPER LEVEL STORM SYSTEM MOVES INTO THE WESTERN
PORTIONS OF THE STATE. WIDESPREAD RAINS WITH EMBEDDED SHOWERS AND
THUNDERSTORMS LOOK LIKELY TONIGHT AND SUNDAY. A PERSISTENT STIFF
NORTH WIND WILL FOLLOW IN THE ASSOCIATED COLD FRONTAL PASSAGE SUNDAY
AFTERNOON AND EARLY EVENING...THE NORTHERLY FLOW SHOULD WEAKEN
TUESDAY. SCA CONDITIONS MAY BE SLOW TO LIFT. 45
&&

.FIRE WEATHER...
VERY GOOD NEWS ON THIS FRONT...MUCH NEEDED WIDESPREAD RAIN ON THE
WAY. THICK CLOUD COVER...COOL TEMPERATURES AND PRECIPITATION SUNDAY
WILL CURTAIN THE THREAT OF FIRES. THE REGION SHOULD DRY OUT MONDAY
AS HIGH PRESSURE SETTLES IN AND NORTHERLY FLOW SETS UP THOUGH RH
VALUES ONLY DROPPING INTO THE 50S DURING THE AFTERNOON HOURS. DRY
CONDITIONS SHOULD PREVAIL MONDAY AFTERNOON THROUGH WEDNESDAY. 45
&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      47  52  39  56  38 /  70 100  30  10  10
HOUSTON (IAH)              49  57  43  58  40 /  70 100  50  10  10
GALVESTON (GLS)            57  61  46  57  46 /  80 100  60  10  10
&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...SMALL CRAFT ADVISORY UNTIL 6 AM SUNDAY FOR THE FOLLOWING ZONES:
     WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO
     60 NM...AND WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60
     NM.

     SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL MIDNIGHT SUNDAY FOR
     THE FOLLOWING ZONES: WATERS FROM FREEPORT TO THE MATAGORDA
     SHIP CHANNEL OUT 20 NM...AND WATERS FROM HIGH ISLAND TO
     FREEPORT OUT 20 NM.

&&

Hazardous weather outlook, Jan 21, 7:00 AM CST, 10 hours 13 minutes before

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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 21, 4:23 PM CST	Severe Thunderstorm Warning	HGX	Matagorda	52 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.