Alert archive / Texas / Tornado Warnings in 1995

Tornado Warning 41, NWS Houston/Galveston, TX

December 17, 1995Matagorda County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Dec 17, 1995, 7:39 AM CST for Matagorda County, Texas. It was in force for 51 min. 2 reports 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
Dec 17, 1995, 7:39 AM CST (13:39 UTC)
Expired
Dec 17, 1995, 8:30 AM CST
In force
51 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Matagorda County, TX

The radar

The Houston radar (KHGX), 118 km from the middle of the area, began a volume at 13:42 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

TimeReportWhereRemark
Dec 17, 8:10 AM CSTTornado F0Blessing, TXMany trees were blown down and roofs were torn off.
Dec 17, 8:10 AM CSTTornado F0Markham, TXFive to seven houses with major roof damage, one trailer destroyed, several trees and light poles down.

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 1.7 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 1995-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2808 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 1995-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2808 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
2.3
Supercell composite
12.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KHOU 171344 COR
TORHOU
TXC321-171430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING...CORRECTION
NATIONAL WEATHER SERVICE HOUSTON TX
745 AM CST SUN DEC 17 1995

THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST TEXAS

   ...MATAGORDA COUNTY

AND ADJACENT COASTAL WATERS


AT 725 AM...A TORNADIC THUNDERSTORM WAS PASSING BETWEEN THE TOWNS OF
BLESSING AND PALACIOS. THIS STORM WILL BE MOVING TO THE NORTHEAST
AT 25 MPH. ELMATON IS IN THE PATH OF THE STORM.
.
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE
FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
VERY HEAVY RAIN.  IF CAUGHT OUTSIDE... MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

HEAVY RAINS FLOOD ROADS QUICKLY.  DO NOT DRIVE INTO FLOODED
UNDERPASSES OR LOW WATER CROSSINGS.  MORE DEATHS OCCUR FROM FLASH
FLOODING THAN ANY OTHER WEATHER RELATED PHENOMENA.

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.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this tornado warning went out at Dec 17, 2:26 AM CST, 5 hours 13 minutes earlier.

Area forecast discussion, Dec 17, 2:26 AM CST, 5 hours 13 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
220 AM CST SAT DEC 16 1995

CONVECTION FINALLY BREAKING OUT!  A GOOD DEAL OF TRAINING ALREADY
OCCURING IN THE INVERTED PRESSURE TROF AND FOCUSING NEAR THE
INTERSECTION OF THE THETA-E RIDGE AND WF AROUND CLL.  THETA-E RIDGE
SHOULD BECOME MORE EXPLOSIVE AS LLJ STRENGTHENS AND MORE MOISTURE
STREAMS IN.   OLD TIME FORECASTER FROM THE OFFICE RECOUNTED THAT
THESE TYPE OF CUTOFF LOWS COMING OUT OF THE W WILL FOCUS PRECIP IN
CLOSER TO THE LOW AS THEY BEGIN TO WEAKEN AND ARE VERY FREQUENTLY
SLOWER IN MOVEMENT THAN MODELS PREDICT.  AND LASTLY...BEWARE OF THE
NOCTURNAL ENVIORNMENT...PRECIP IS MUCH HEAVIER THAN IS USUALLY
EXPECTED.  GIVEN THE TREND OF THE LAST 4 DAYS HAVE TO AGREE WITH
LOCAL WISDOM.      FFA IS A MUST...HIGH POPS AND MENTION SVR.

UPPER DIFFLUENCE GOING BALLISTIC BY 12Z TODAY AND CONTINUES
THROUGHOUT THE PERIOD.  SEE NCEP PRODUCTS FOR QPF REASONING WHICH
APPEARS VALID BUT GIVEN THE TRENDS EVIDENT ISOLATED 6+" APPEARING
MORE LIKELY.  ON SATEL...NEXT IMPULSE SHOULD REACH THE WESTERN AREA
AROUND 12Z WHICH AGREES WELL WITH ETA PROG.  COORDINATION WITH SPC
INDICATING SVR WATCH BEING CONSIDERED ATTM.  GOT TO GO...VILS OF 54
SUPPORTING TREMENDOUS MARBLE-SIZED HAIL FALLOUTS.  REFLECTIVITY CORES
OF 55 DBZ AT OR ABOVE 27KFT APPEAR TO BE THE SVR THRESHOLD ATTM.

45

In the hours before

Special weather statement, Dec 17, 3:55 AM CST, 3 hours 44 minutes before
TXZ211-237-210-227-198-213-163-200-236-199-179-178-164-177-212-
197-226-196-195-214-238-235-176-171500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
355 AM CST SUN DEC 17 1995

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS
THROUGH 9 AM...

...FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS THROUGH TOD
.
COPIOUS AMOUNTS OF LOW LEVEL MOISTURE IN COMBINATION WITH STRONG UPPER
LEVEL DYNAMICS WILL PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS TODAY.
SOME OF THESE STORMS WILL BECOME SEVERE PRODUCING STRONG GUSTY WINDS
IN EXCESS OF 55 MPH AND LARGE HAIL.  IN ADDITION TO THE POTENTIAL
FOR SEVERE WEATHER...LOCALLY HEAVY RAIN IS LIKELY TODAY.  RAINFALL
TOTALS OF UP TO 5 INCHES ARE POSSIBLE IN THE FLASH FLOOD WATCH
AREA.

THE CITIES OF HOUSTON...GALVESTON...COLLEGE STATION...BRENHAM...EL
CAMPO...CONROE AND LIVINGSTON ARE INCLUDED IN THE WATCH AREA.  ALL
INTERESTS ARE URGED TO MONITOR THIS WEATHER SITUATION CLOSELY.
Special weather statement, Dec 17, 3:57 AM CST, 3 hours 42 minutes before
TXZ211-237-210-227-198-213-163-200-236-199-179-178-164-177-212-
197-226-196-195-214-238-235-176-171500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
355 AM CST SUN DEC 17 1995

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS
THROUGH 9 AM...

...FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS THROUGH TOD
.
COPIOUS AMOUNTS OF LOW LEVEL MOISTURE IN COMBINATION WITH STRONG UPPER
LEVEL DYNAMICS WILL PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS TODAY.
SOME OF THESE STORMS WILL BECOME SEVERE PRODUCING STRONG GUSTY WINDS
IN EXCESS OF 55 MPH AND LARGE HAIL.  IN ADDITION TO THE POTENTIAL
FOR SEVERE WEATHER...LOCALLY HEAVY RAIN IS LIKELY TODAY.  RAINFALL
TOTALS OF UP TO 5 INCHES ARE POSSIBLE IN THE FLASH FLOOD WATCH
AREA.

THE CITIES OF HOUSTON...GALVESTON...COLLEGE STATION...BRENHAM...EL
CAMPO...CONROE AND LIVINGSTON ARE INCLUDED IN THE WATCH AREA.  ALL
INTERESTS ARE URGED TO MONITOR THIS WEATHER SITUATION CLOSELY.
Special weather statement, Dec 17, 5:47 AM CST, 1 hour 52 minutes before
TXZ211-237-210-227-198-213-163-200-236-199-179-178-164-177-212-
197-226-196-195-214-238-235-176-171800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
550 AM CST SUN DEC 17 1995

...TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS THROUGH
12 PM...

...FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS THROUGH
THIS AFTERNOON...

COPIOUS AMOUNTS OF LOW LEVEL MOISTURE IN COMBINATION WITH STRONG
UPPER LEVEL DYNAMICS WILL PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS
TODAY.  SOME OF THESE STORMS WILL BECOME SEVERE PRODUCING STRONG
GUSTY WINDS IN EXCESS OF 55 MPH AND LARGE HAIL.  ISOLATED TORNADOES
ARE ALSO POSSIBLE.  IN ADDITION TO THE POTENTIAL FOR SEVERE
WEATHER...LOCALLY HEAVY RAIN IS LIKELY TODAY.  RAINFALL TOTALS OF UP
TO 5 INCHES ARE POSSIBLE IN THE FLASH FLOOD WATCH AREA.

THE CITIES OF HOUSTON...GALVESTON...COLLEGE STATION...BRENHAM...EL
CAMPO...CONROE AND LIVINGSTON ARE INCLUDED IN THE WATCH AREA.  AL,L
INTERESTS ARE URGED TO MONITOR THIS WEATHER SITUATION CLOSELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 2:00 AM CSTSevere Thunderstorm WarningHGXBurleson60 min
Dec 17, 2:40 AM CSTSevere Thunderstorm WarningHGXMatagorda65 min
Dec 17, 3:06 AM CSTSevere Thunderstorm WarningHGXGrimes, Waller54 min
Dec 17, 3:19 AM CSTTornado WarningHGXMontgomery56 min
Dec 17, 3:19 AM CSTTornado WarningHGXGrimes39 min
Dec 17, 3:22 AM CSTSevere Thunderstorm WarningHGXWalker68 min
Dec 17, 4:23 AM CSTSevere Thunderstorm WarningHGXSan Jacinto52 min
Dec 17, 4:23 AM CSTSevere Thunderstorm WarningHGXMontgomery31 min
Dec 17, 5:16 AM CSTSevere Thunderstorm WarningHGXPolk59 min
Dec 17, 5:26 AM CSTSevere Thunderstorm WarningHGXSan Jacinto34 min
Dec 17, 5:33 AM CSTSevere Thunderstorm WarningHGXBrazoria, Matagorda57 min
Dec 17, 6:13 AM CSTFlash Flood WarningHGXBurleson3 hr
Dec 17, 6:54 AM CSTFlash Flood WarningHGXPolk, San Jacinto3 hr
Dec 17, 7:31 AM CSTSevere Thunderstorm WarningHGXMatagorda59 min
Dec 17, 7:44 AM CSTFlash Flood WarningHGXGrimes3 hr
Dec 17, 7:59 AM CSTFlash Flood WarningHGXMontgomery4 hr
Dec 17, 8:14 AM CSTTornado WarningHGXBrazoria, Matagorda61 min
Dec 17, 8:43 AM CSTFlash Flood WarningHGXHarris, Liberty2 hr
Dec 17, 8:43 AM CSTSevere Thunderstorm WarningHGXHarris, Liberty2 hr
Dec 17, 9:00 AM CSTFlash Flood WarningHGXGalveston2 hr
Dec 17, 9:00 AM CSTSevere Thunderstorm WarningHGXGalveston2 hr
Dec 17, 9:27 AM CSTTornado WarningHGXGalveston63 min
Dec 17, 9:47 AM CSTFlash Flood WarningHGXChambers118 min
Dec 17, 9:47 AM CSTSevere Thunderstorm WarningHGXChambers118 min
Dec 17, 10:02 AM CSTFlash Flood WarningHGXMatagorda118 min
Dec 17, 10:32 AM CSTTornado WarningHGXBrazoria, Matagorda58 min
Dec 17, 11:15 AM CSTFlash Flood WarningHGXBrazoria, Fort Bend4 hr
Dec 17, 11:15 AM CSTFlash Flood WarningHGXMatagorda4 hr
Dec 17, 11:23 AM CSTFlash Flood WarningHGXGalveston3 hr
Dec 17, 11:31 AM CSTTornado WarningHGXBrazoria48 min
Dec 17, 2:27 PM CSTFlash Flood WarningHGXGalveston3 hr
Dec 17, 3:20 PM CSTFlash Flood WarningHGXChambers2 hr
Dec 17, 3:20 PM CSTFlash Flood WarningHGXBrazoria2 hr
Dec 17, 5:01 PM CSTSevere Thunderstorm WarningHGXBrazoria59 min
Dec 17, 5:30 PM CSTFlash Flood WarningHGXBrazoria, Galveston3 hr
Dec 17, 5:30 PM CSTFlash Flood WarningHGXChambers3 hr
Dec 17, 5:44 PM CSTSevere Thunderstorm WarningHGXPolk61 min

Nearby

Tornado Warnings in Texas, 1995Every tornado warning in 1995Tornadoes in 1995

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.