Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 271, NWS Houston/Galveston, TX

December 17, 1995Polk County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Dec 17, 1995, 8:05 PM CST for Polk County, Texas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Dec 17, 1995, 8:05 PM CST (02:05 UTC)
Expired
Dec 17, 1995, 9:00 PM CST
In force
55 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Polk County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.1 hours before the alert went out and 173 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, Lake Charles Mun, LA at 00:00Z on 1995-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lake Charles Mun, LA at 00:00Z on 1995-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

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 Dec 17, 2:39 PM CST, 5 hours 26 minutes earlier.

Area forecast discussion, Dec 17, 2:39 PM CST, 5 hours 26 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
235 PM CST SUN DEC 17 1995

EXTREMELY HEAVY RAIN CONTINUES ALONG AND INLAND OF THE E-W OUTFLOW
BOUNDARY.  LAST COUPLE OF HOURS OF SATELITE IMAGERY SUGGESTS BOUNDARY
LIFTING SLOWLY NORTHWARD.  IF THIS TREND CONTINUES SUSPECT HEAVY RAIN
FOCUS COULD SHIFT FURTHER INLAND.  RAINFALL TOTALS IN EXCESS OF 10
INCHES LIKELY ALREADY IN PORTIONS OF BRAZORIA AND MATAGORDAY COUNDIES
WITH LARGE AREA IN EXCESS OF 5 INCHES.  ANOTHER AREA OF 3 TO 5 INCH
RAINS OCCURRED OVERNIGHT FROM BURLESON COUNTY EAST THROUGH
LIVINGSTON. WSR-88D ESTIMATES WERE 30% TO 50% BELOW RAINGAGE TOTALS.

AGREE WITH SWODY1 AND QPFERD THAT ALL FEATURES NECESSARY FOR
EXCESSIVE RAIN AND/OR SEVERE WEATHER WILL REMAIN IN PLACE THROUGH
TONIGHT.  A WELL DEFINED SPEED MAX DROPPING INTO BASE OF SW LOW THIS
AFTERNOON IS EXPECTED TO ENTER SOUTH TEXAS TONIGHT. THE COUPLING OF
THAT FEATURE WITH THE LOW LEVEL JET AND THETAE RIDGE OVER OR JUST
WEST OF SOUTHEAST TEXAS AND THE LARGE ENTRANCE REGION OF THE MAIN JET
OVER MID/UPPER MS VALLEY SHOULD RESULT IN MAJOR CONVECTIVE
DEVELOPMENT FROM SOUTH CENTRAL TEXAS EASTWARD.  NEEDLESS TO
SAY...WILL NEED FLASH FLOOD WATCH AND MENTION OF SEVERE THROUGH
TONIGHT.  FRONT SHOULD COME THROUGH MIDDAY MONDAY FOLLOWED BY WINDY
AND COLDER.

IAH...59/63/39/57  +71

30

In the hours before

Special weather statement, Dec 17, 4:56 PM CST, 3 hours 9 minutes before
TXZ177>179-197>200-210>214-226-227-235>238-511-513-180500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
456 PM CST SUN DEC 17 1995
...TORNADO WATCH FOR MOST OF SOUTHEAST TEXAS THROUGH 11 PM...
...FLASH FLOOD WATCH FOR ALL OF SOUTHEAST TEXAS TONIGHT...

AN ABUNDANCE OF GULF MOISTURE WILL INTERACT WITH A STRONG UPPER LEVEL
LOW THAT WILL MOVE INTO TEXAS TONIGHT.  THIS COMBINATION WILL PRODUCE
NUMEROUS THUNDERSTORMS ACROSS SOUTHEAST TEXAS TONIGHT.  SOME OF THE
STORMS MAY BE SEVERE WITH STRONG GUSTY WINDS IN EXCESS OF 55 MILES AN
HOUR...LARGE HAIL...AND POSSIBLE ISOLATED TORNADOES.  IN ADDITION TO
THE POTENTIAL FOR SEVERE WEATHER...LOCALLY HEAVY RAIN IS LIKELY.
ADDITIONAL RAINFALL TOTALS TONIGHT EXPECTED ARE 3 TO 5 INCHES.

THE CITIES OF HOUSTON...GALVESTON...BRENHAM...EL CAMPO...CONROE...
AND LIVINGSTON ARE INCLUDED IN THE TORNADO WATCH AREA.  THE BRYAN/
COLLEGE STATION AREA IS ALSO INCLUDED IN THE FLASH FLOOD AREA.

ALL INTERESTS ARE URGED TO MONITOR THIS WEATHER SITUATION CLOSELY.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES...STATEMENTS...
AND POSSIBLE WARNINGS.

  THE WARMEST WAS AT KEOKUK...WITH A
R
 AT 400 PM.  WINERE NORTHEAST STIDE THIS
AFTER.  SPEEDS WERE IE 10 TO 15 MPH R.

MS DEC 95r*HWUUS6
<ES. HIGHS
30 T.
.MONDAY NIGHCLOUDY WITH AREAu7WWUS
`NKLES OR
FLURRK3WWUS
T6WWUS$
o6WWUSR
lF6WWUS
_[WWUS


.WEDNESDAYMy{WWUS,
thDf6WWUSp
xD{WWUS
	p. HIGHS 30 TO 35.
Special weather statement, Dec 17, 4:56 PM CST, 3 hours 9 minutes before
TXZ177>179-197>200-210>214-226-227-235>238-511-513-180500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
456 PM CST SUN DEC 17 1995
...TORNADO WATCH FOR MOST OF SOUTHEAST TEXAS THROUGH 11 PM...
...FLASH FLOOD WATCH FOR ALL OF SOUTHEAST TEXAS TONIGHT...

AN ABUNDANCE OF GULF MOISTURE WILL INTERACT WITH A STRONG UPPER LEVEL
LOW THAT WILL MOVE INTO TEXAS TONIGHT.  THIS COMBINATION WILL PRODUCE
NUMEROUS THUNDERSTORMS ACROSS SOUTHEAST TEXAS TONIGHT.  SOME OF THE
STORMS MAY BE SEVERE WITH STRONG GUSTY WINDS IN EXCESS OF 55 MILES AN
HOUR...LARGE HAIL...AND POSSIBLE ISOLATED TORNADOES.  IN ADDITION TO
THE POTENTIAL FOR SEVERE WEATHER...LOCALLY HEAVY RAIN IS LIKELY.
ADDITIONAL RAINFALL TOTALS TONIGHT EXPECTED ARE 3 TO 5 INCHES.

THE CITIES OF HOUSTON...GALVESTON...BRENHAM...EL CAMPO...CONROE...
AND LIVINGSTON ARE INCLUDED IN THE TORNADO WATCH AREA.  THE BRYAN/
COLLEGE STATION AREA IS ALSO INCLUDED IN THE FLASH FLOOD AREA.

ALL INTERESTS ARE URGED TO MONITOR THIS WEATHER SITUATION CLOSELY.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES...STATEMENTS...
AND POSSIBLE WARNINGS.

  THE WARMEST WAS AT KEOKUK...WITH A
R
 AT 400 PM.  WINERE NORTHEAST STIDE THIS
AFTER.  SPEEDS WERE IE 10 TO 15 MPH R.

MS DEC 95r*HWUUS6
<ES. HIGHS
30 T.
.MONDAY NIGHCLOUDY WITH AREAu7WWUS
`NKLES OR
FLURRK3WWUS
T6WWUS$
o6WWUSR
lF6WWUS
_[WWUS


.WEDNESDAYMy{WWUS,
thDf6WWUSp
xD{WWUS
	p. HIGHS 30 TO 35.
Local storm report, Dec 17, 8:00 PM CST, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 6:17 PM CSTSevere Thunderstorm WarningHGXBrazoria58 min
Dec 17, 6:45 PM CSTSevere Thunderstorm WarningHGXTrinity60 min
Dec 17, 8:10 PM CSTSevere Thunderstorm WarningHGXBurleson, Washington50 min
Dec 17, 8:55 PM CSTSevere Thunderstorm WarningHGXBrazos, Burleson65 min
Dec 17, 9:25 PM CSTSevere Thunderstorm WarningHGXGrimes, Madison65 min
Dec 17, 9:30 PM CSTSevere Thunderstorm WarningHGXGrimes, Madison60 min
Dec 18, 12:26 AM CSTFlash Flood WarningHGXChambers, Galveston3 hr
Dec 18, 2:18 AM CSTSevere Thunderstorm WarningHGXAustin57 min
Dec 18, 2:45 AM CSTSevere Thunderstorm WarningHGXWashington45 min
Dec 18, 2:54 AM CSTSevere Thunderstorm WarningHGXColorado66 min
Dec 18, 3:06 AM CSTFlash Flood WarningHGXColorado114 min
Dec 18, 3:06 AM CSTTornado WarningHGXColorado114 min
Dec 18, 3:09 AM CSTSevere Thunderstorm WarningHGXBrazos, Grimes66 min
Dec 18, 3:39 AM CSTSevere Thunderstorm WarningHGXWalker66 min
Dec 18, 3:43 AM CSTFlash Flood WarningHGXAustin62 min
Dec 18, 3:43 AM CSTTornado WarningHGXAustin62 min
Dec 18, 3:47 AM CSTTornado WarningHGXWharton58 min
Dec 18, 4:05 AM CSTTornado WarningHGXWaller55 min
Dec 18, 4:14 AM CSTFlash Flood WarningHGXFort Bend61 min
Dec 18, 4:14 AM CSTTornado WarningHGXFort Bend61 min
Dec 18, 4:17 AM CSTFlash Flood WarningHGXGrimes118 min
Dec 18, 4:17 AM CSTSevere Thunderstorm WarningHGXGrimes118 min
Dec 18, 4:33 AM CSTFlash Flood WarningHGXHarris117 min
Dec 18, 4:33 AM CSTSevere Thunderstorm WarningHGXHarris117 min
Dec 18, 4:46 AM CSTFlash Flood WarningHGXMontgomery119 min
Dec 18, 4:46 AM CSTSevere Thunderstorm WarningHGXMontgomery119 min
Dec 18, 4:52 AM CSTTornado WarningHGXHarris68 min
Dec 18, 4:57 AM CSTFlash Flood WarningHGXColorado2 hr
Dec 18, 4:57 AM CSTSevere Thunderstorm WarningHGXColorado2 hr
Dec 18, 5:12 AM CSTTornado WarningHGXHarris, Montgomery63 min
Dec 18, 5:18 AM CSTSevere Thunderstorm WarningHGXJackson57 min
Dec 18, 5:39 AM CSTSevere Thunderstorm WarningHGXLiberty66 min
Dec 18, 6:19 AM CSTSevere Thunderstorm WarningHGXPolk56 min
Dec 18, 6:21 AM CSTFlash Flood WarningHGXLiberty, Polk3 hr
Dec 18, 6:33 AM CSTSevere Thunderstorm WarningHGXBrazoria, Galveston, Harris57 min
Dec 18, 6:37 AM CSTFlash Flood WarningHGXBrazoria, Matagorda3 hr
Dec 18, 6:37 AM CSTFlash Flood WarningHGXChambers, Galveston3 hr
Dec 18, 6:40 AM CSTSevere Thunderstorm WarningHGXLiberty65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.