Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 9, NWS Houston/Galveston, TX

April 24, 2016Galveston County, Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Apr 24, 2016, 7:30 PM CDT for Galveston County, Harris County, Texas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 24, 2016, 7:30 PM CDT (00:30 UTC)
Expired
Apr 24, 2016, 8:00 PM CDT
In force
30 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Galveston County, TX, Harris County, TX

The radar

The Houston radar (KHGX), 10 km from the middle of the area, began a volume at 00:33 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.5 hours before the alert went out and 191 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 2016-04-25Temperature 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 km15 km-30°-20°-10°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 2016-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
1541 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

669 
WFUS54 KHGX 250030
TORHGX
TXC167-201-250100-
/O.NEW.KHGX.TO.W.0009.160425T0030Z-160425T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
730 PM CDT SUN APR 24 2016

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN GALVESTON COUNTY IN SOUTHEASTERN TEXAS...
  SOUTHEASTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 800 PM CDT

* AT 729 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER WEBSTER...MOVING NORTHEAST AT 10 MPH.

  HAZARD...TORNADO. 

  SOURCE...MULTIPLE SPOTTER AND LAW ENFORCEMENT REPORTS OF FUNNEL
           CLOUDS ALONG THE GALVESTON/HARRIS COUNTY LINE. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

* LOCATIONS IMPACTED INCLUDE...
  SOUTHEASTERN PASADENA...NORTHEASTERN LEAGUE CITY...LA PORTE...
  SEABROOK...WEBSTER...KEMAH...CLEAR LAKE...NASSAU BAY...TAYLOR LAKE
  VILLAGE...EL LAGO...SHOREACRES...CLEAR LAKE SHORES...KEMAH BOARDWALK
  AND THE JOHNSON SPACE CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
LEAGUE CITY.

&&

LAT...LON 2950 9511 2956 9517 2967 9505 2957 9494
TIME...MOT...LOC 0029Z 238DEG 8KT 2954 9511 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HUFFMAN
1 follow-up statement
763 
WWUS54 KHGX 250042
SVSHGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
742 PM CDT SUN APR 24 2016

TXC167-201-250100-
/O.CON.KHGX.TO.W.0009.000000T0000Z-160425T0100Z/
GALVESTON TX-HARRIS TX-
742 PM CDT SUN APR 24 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN GALVESTON AND SOUTHEASTERN HARRIS COUNTIES...
        
AT 741 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER SOUTHEASTERN CLEAR LAKE...MOVING NORTHEAST AT 5 MPH.

HAZARD...TORNADO. 

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. THESE STORMS HAVE
         A HISTORY OF PRODUCING DAMAGE IN LEAGUE CITY.

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
SOUTHEASTERN PASADENA...NORTHERN LEAGUE CITY...LA PORTE...SEABROOK...
WEBSTER...CLEAR LAKE...NASSAU BAY...TAYLOR LAKE VILLAGE...EL LAGO...
SHOREACRES...CLEAR LAKE SHORES AND THE JOHNSON SPACE CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 2952 9510 2957 9516 2967 9505 2959 9496
TIME...MOT...LOC 0041Z 229DEG 6KT 2956 9510 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HUFFMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 7:59 PM CDTSpecial Weather StatementHGXChambers31 min

Nearby

Tornado Warnings in Texas, 2016Every tornado warning in 2016Tornadoes in 2016

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.