Alert archive / Texas / Tornado Warnings in 2014
Tornado Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jul 21, 2014, 12:43 PM CDT for Galveston 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 outline as issued.
The facts
- Issued
- Jul 21, 2014, 12:43 PM CDT (17:43 UTC)
- Expired
- Jul 21, 2014, 1:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
County Galveston County, TX
The radar
The Houston radar (KHGX), 20 km from the middle of the area, began a volume at 17:44 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 12:00Z, 5.7 hours before the alert went out and 184 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.
- Mixed-layer CAPE
- 1851 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
360
WFUS54 KHGX 211743
TORHGX
TXC167-211815-
/O.NEW.KHGX.TO.W.0013.140721T1743Z-140721T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1243 PM CDT MON JUL 21 2014
THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN GALVESTON COUNTY IN SOUTHEAST TEXAS...
* UNTIL 115 PM CDT
* AT 1242 PM CDT...EMERGENCY MANAGEMENT REPORTED A TORNADO NEAR TEXAS
CITY. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 5 MPH.
* LOCATIONS IMPACTED INCLUDE...
TEXAS CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO HAS BEEN CONFIRMED BY EMERGENCY MANAGEMENT
OFFICIALS. TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON
THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL AUTHORITY WHO WILL RELAY YOUR
REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE PATH OF DANGEROUS
WEATHER.
&&
LAT...LON 2935 9489 2934 9490 2934 9491 2941 9494
2944 9489
TIME...MOT...LOC 1742Z 275DEG 5KT 2939 9489
$$1 follow-up statement
208
WWUS54 KHGX 211810
SVSHGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
110 PM CDT MON JUL 21 2014
TXC167-211820-
/O.EXP.KHGX.TO.W.0013.000000T0000Z-140721T1815Z/
GALVESTON TX-
110 PM CDT MON JUL 21 2014
...THE TORNADO WARNING FOR EASTERN GALVESTON COUNTY WILL EXPIRE AT
115 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 2935 9489 2934 9490 2934 9491 2941 9494
2944 9489
TIME...MOT...LOC 1808Z 275DEG 5KT 2939 9489
$$
!KP!The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 12:46 PM CDT | Special Marine Warning | HGX | 14 min |
Nearby
Tornado Warnings in Texas, 2014Every tornado warning in 2014Tornadoes in 2014
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.