Alert archive / Texas / Tornado Warnings in 2020
Tornado Warning 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 28, 2020, 12:04 PM CDT for Liberty County, Texas. It was in force for 26 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
- May 28, 2020, 12:04 PM CDT (17:04 UTC)
- Expired
- May 28, 2020, 12:30 PM CDT
- In force
- 26 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Liberty County, TX
The radar
The Houston radar (KHGX), 73 km from the middle of the area, began a volume at 17:07 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, 5.1 hours before the alert went out and 137 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
- 117 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
320
WFUS54 KHGX 281704
TORHGX
TXC291-281730-
/O.NEW.KHGX.TO.W.0021.200528T1704Z-200528T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
1204 PM CDT Thu May 28 2020
The National Weather Service in League City has issued a
* Tornado Warning for...
Southeastern Liberty County in southeastern Texas...
* Until 1230 PM CDT.
* At 1203 PM CDT, a severe thunderstorm capable of producing a
tornado was located near Devers, or 9 miles southeast of Liberty,
moving northeast at around 10 to 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Devers around 1230 PM CDT.
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.
&&
LAT...LON 2989 9475 2995 9479 3018 9462 3011 9460
3011 9455 2995 9444 2990 9444
TIME...MOT...LOC 1703Z 237DEG 9KT 2997 9467
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
288
WWUS54 KHGX 281717
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
1217 PM CDT Thu May 28 2020
TXC291-281730-
/O.CON.KHGX.TO.W.0021.000000T0000Z-200528T1730Z/
Liberty TX-
1217 PM CDT Thu May 28 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN LIBERTY COUNTY...
At 1216 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Ames, or 8 miles southeast of Liberty,
moving east at 5 to 10 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Liberty County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2989 9475 2995 9479 2999 9467 3000 9459
2999 9456 2996 9454 2990 9456
TIME...MOT...LOC 1716Z 237DEG 9KT 2995 9471
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$959
WWUS54 KHGX 281727
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
1227 PM CDT Thu May 28 2020
TXC291-281736-
/O.EXP.KHGX.TO.W.0021.000000T0000Z-200528T1730Z/
Liberty TX-
1227 PM CDT Thu May 28 2020
...THE TORNADO WARNING FOR SOUTHEASTERN LIBERTY COUNTY WILL EXPIRE AT
1230 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
League City.
LAT...LON 2989 9475 2995 9479 2999 9467 3000 9459
2999 9456 2996 9454 2990 9456
TIME...MOT...LOC 1726Z 237DEG 9KT 2995 9471
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:33 PM CDT | Special Weather Statement | HGX | Montgomery | 42 min |
| May 27, 7:45 PM CDT | Special Weather Statement | HGX | Brazos | 45 min |
| May 27, 8:04 PM CDT | Special Weather Statement | HGX | Burleson, Washington | 41 min |
| May 27, 8:59 PM CDT | Special Weather Statement | HGX | Washington | 46 min |
| May 27, 10:02 PM CDT | Special Weather Statement | HGX | Jackson | 58 min |
| May 28, 12:15 AM CDT | Special Weather Statement | HGX | Washington | 60 min |
| May 28, 1:04 AM CDT | Special Weather Statement | HGX | Burleson | 41 min |
| May 28, 9:23 AM CDT | Rip Current Statement | HGX | Brazoria, Galveston, Matagorda | 15 hr |
| May 28, 11:33 AM CDT | Special Weather Statement | HGX | Liberty | 42 min |
| May 28, 11:47 AM CDT | Severe Thunderstorm Warning | HGX | Liberty | 43 min |
| May 28, 12:04 PM CDT | Special Weather Statement | HGX | Chambers | 41 min |
| May 28, 12:42 PM CDT | Special Marine Warning | HGX | 63 min | |
| May 28, 12:49 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 26 min |
| May 28, 1:45 PM CDT | Special Marine Warning | HGX | 45 min | |
| May 28, 2:11 PM CDT | Special Weather Statement | HGX | Harris | 49 min |
| May 28, 2:18 PM CDT | Special Weather Statement | HGX | Galveston | 42 min |
| May 28, 2:27 PM CDT | Special Marine Warning | HGX | 63 min | |
| May 28, 2:44 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 46 min |
| May 28, 2:51 PM CDT | Tornado Warning | HGX | Galveston | 24 min |
| May 28, 3:16 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 14 min |
| May 28, 3:30 PM CDT | Special Weather Statement | HGX | Galveston | 60 min |
| May 28, 3:49 PM CDT | Special Marine Warning | HGX | 86 min | |
| May 28, 4:02 PM CDT | Special Weather Statement | HGX | Brazoria, Galveston | 58 min |
| May 28, 4:52 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 38 min |
| May 28, 5:56 PM CDT | Special Weather Statement | HGX | Matagorda | 49 min |
| May 28, 6:53 PM CDT | Special Marine Warning | HGX | 37 min |
Nearby
Tornado Warnings in Texas, 2020Every tornado warning in 2020Tornadoes in 2020
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.