Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 143, NWS Houston/Galveston, TX

November 17, 2015Burleson County, Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Nov 17, 2015, 3:39 AM CST for Burleson County, Washington County, Texas. It was in force for 36 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
Nov 17, 2015, 3:39 AM CST (09:39 UTC)
Expired
Nov 17, 2015, 4:15 AM CST
In force
36 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Burleson County, TX, Washington County, TX

The radar

The Ft Hood radar (KGRK), 93 km from the middle of the area, began a volume at 09:41 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

Fort Worth, TX (KFWD), launched 00:00Z, 9.7 hours before the alert went out and 285 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, Fort Worth, TX at 00:00Z on 2015-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 683 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2015-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 444 square meters per square second.1939587897117Sfc1 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
683 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
444 m²/s²
0-3 km storm-relative helicity
505 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

Open this sounding in Storm Lab

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 Nov 16, 11:34 PM CST, 4 hours 5 minutes earlier.

Area forecast discussion, Nov 16, 11:34 PM CST, 4 hours 5 minutes before
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Hazardous weather outlook, Nov 16, 4:59 PM CST, 10 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
459 PM CST MON NOV 16 2015

GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226-
227-235>238-171300-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-
MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO-
TRINITY-WALKER-WALLER-WASHINGTON-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM-
WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON-
459 PM CST MON NOV 16 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TONIGHT

A POTENT STORM SYSTEM WILL BEGIN TO AFFECT SOUTHEAST TEXAS LATE TONIGHT
WITH INCREASING SHOWER AND THUNDERSTORM COVERAGE. THERE IS A SLIGHT
RISK FOR SEVERE THUNDERSTORMS WITH ISOLATED TORNADOES AND STRONG DAMAGING
WINDS THE PRIMARY SEVERE WEATHER THREAT. A LONG FETCH OF SWELLS AND
STRONG ONSHORE WINDS WILL LIKELY LEAD TO MINOR TIDAL FLOODING AROUND
THE TIMES OF HIGH TIDE...MAINLY ALONG FLOOD PRONE COASTAL AREAS SUCH
AS THE INTERSECTION OF HIGHWAYS 87 AND 124.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ON TUESDAY...A POTENT STORM SYSTEM WILL MOVE ACROSS SOUTHEAST TEXAS.
THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS WITH ISOLATED TORNADOES
AND STRONG DAMAGING WINDS THE PRIMARY SEVERE WEATHER THREAT. RAINFALL
TOTALS ARE EXPECTED TO AVERAGE 1 TO 2 INCHES WITH ISOLATED AMOUNTS OF
2 TO 4 INCHES POSSIBLE. MINOR FLOODING OF URBAN AREAS AND SUSCEPTIBLE
ROADWAYS IS POSSIBLE. A LONG FETCH OF SWELLS AND STRONG ONSHORE WINDS
WILL LIKELY LEAD TO MINOR TIDAL FLOODING AROUND THE TIMES OF HIGH
TIDE...MAINLY ALONG FLOOD PRONE COASTAL AREAS SUCH AS THE INTERSECTION
OF HIGHWAYS 87 AND 124.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED AFTER MIDNIGHT TONIGHT.

In the hours before

Special weather statement, Nov 17, 2:55 AM CST, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
255 AM CST TUE NOV 17 2015

TXZ195>197-170945-
BURLESON TX-WASHINGTON TX-BRAZOS TX-
255 AM CST TUE NOV 17 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BRAZOS...BURLESON AND
WESTERN WASHINGTON COUNTIES UNTIL 345 AM CST...

AT 255 AM CST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ROUND TOP...OR 13 MILES SOUTHEAST OF GIDDINGS...MOVING NORTHEAST AT
45 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SOMERVILLE...SNOOK...BURTON...MILLICAN...LAKE SOMERVILLE DAM...
QUARRY...LYONS...INDEPENDENCE AND WELLBORN.

LAT...LON 3020 9674 3024 9673 3025 9669 3030 9664
      3030 9667 3032 9669 3032 9674 3034 9676
      3065 9662 3048 9615 3005 9662 3008 9663
      3011 9663 3013 9665 3015 9665 3016 9669
      3015 9671 3014 9677 3016 9679
TIME...MOT...LOC 0855Z 219DEG 41KT 3010 9673

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 2:55 AM CSTSpecial Weather StatementHGXBurleson50 min
Nov 17, 4:06 AM CSTTornado WarningHGXBrazos, Burleson, Grimes, Washington24 min
Nov 17, 4:14 AM CSTTornado WarningHGXBrazos, Burleson, Grimes, Washington46 min
Nov 17, 4:16 AM CSTTornado WarningHGXBrazos, Burleson, Grimes, Washington44 min
Nov 17, 4:51 AM CSTSpecial Weather StatementHGXHouston, Trinity, Walker54 min
Nov 17, 4:55 AM CSTSevere Thunderstorm WarningHGXBrazos, Grimes, Madison, Walker17 min
Nov 17, 5:20 AM CSTSpecial Weather StatementHGXBrazos, Burleson, Washington55 min
Nov 17, 5:45 AM CSTSpecial Weather StatementHGXHouston45 min
Nov 17, 6:04 AM CSTSpecial Weather StatementHGXAustin, Colorado56 min
Nov 17, 6:18 AM CSTSpecial Weather StatementHGXPolk, San Jacinto57 min
Nov 17, 6:24 AM CSTAreal Flood AdvisoryHGXAustin, Colorado, Washington3 hr
Nov 17, 6:36 AM CSTSpecial Weather StatementHGXBrazos, Burleson54 min
Nov 17, 7:10 AM CSTSpecial Weather StatementHGXTrinity35 min
Nov 17, 7:11 AM CSTSpecial Weather StatementHGXGrimes34 min
Nov 17, 7:14 AM CSTSpecial Weather StatementHGXGrimes31 min
Nov 17, 7:35 AM CSTTornado WarningHGXGrimes, Montgomery, Walker25 min
Nov 17, 7:57 AM CSTSpecial Weather StatementHGXTrinity63 min
Nov 17, 8:04 AM CSTSevere Thunderstorm WarningHGXHouston, San Jacinto, Trinity, Walker41 min
Nov 17, 8:10 AM CSTSpecial Weather StatementHGXWalker50 min
Nov 17, 8:20 AM CSTWind AdvisoryHGXBrazoria, Chambers, Fort Bend, Galveston, Harris, Jackson and 3 more5 hr
Nov 17, 8:50 AM CSTSpecial Weather StatementHGXTrinity40 min
Nov 17, 8:57 AM CSTSevere Thunderstorm WarningHGXHouston, Polk, San Jacinto, Trinity, Walker48 min
Nov 17, 9:04 AM CSTAreal Flood AdvisoryHGXHouston, San Jacinto, Trinity, Walker3 hr
Nov 17, 10:19 AM CSTAreal Flood AdvisoryHGXGrimes, Montgomery, Trinity, Walker, Waller, Washington3 hr
Nov 17, 11:00 AM CSTSpecial Weather StatementHGXHarris45 min
Nov 17, 11:30 AM CSTSpecial Marine WarningHGX90 min
Nov 17, 11:50 AM CSTSpecial Weather StatementHGXBrazoria, Chambers, Matagorda70 min
Nov 17, 1:00 PM CSTSpecial Weather StatementHGXGalveston30 min
Nov 17, 1:07 PM CSTSpecial Marine WarningHGX113 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.