Alert archive / Texas / Tornado Warnings in 2020
Tornado Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Apr 22, 2020, 5:06 PM CDT for Trinity County, Walker County, Texas. It was in force for 39 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 22, 2020, 5:06 PM CDT (22:06 UTC)
- Expired
- Apr 22, 2020, 5:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Trinity County, TX, Walker County, TX
The radar
The Houston radar (KHGX), 157 km from the middle of the area, began a volume at 22:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 22, 5:12 PM CDT | FUNNEL CLOUD | 5 W Trinity, TX | FUNNEL CLOUD SPOTTED, REPORTED BY EMERGENCY MANAGEMENT IN WALKER COUNTY. |
| Apr 22, 5:12 PM CDT | HAIL 1 | 6 W Trinity, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 22, 5:01 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.1 hours before the alert went out and 238 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1543 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 385 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
856
WFUS54 KHGX 222206
TORHGX
TXC455-471-222245-
/O.NEW.KHGX.TO.W.0013.200422T2206Z-200422T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
506 PM CDT Wed Apr 22 2020
The National Weather Service in League City has issued a
* Tornado Warning for...
Southwestern Trinity County in southeastern Texas...
Northeastern Walker County in southeastern Texas...
* Until 545 PM CDT.
* At 506 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Huntsville, moving east at 50 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 dangerous storm will be near...
Riverside around 520 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 3074 9561 3087 9567 3099 9545 3080 9536
TIME...MOT...LOC 2206Z 248DEG 43KT 3083 9557
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$4 follow-up statements
612
WWUS54 KHGX 222214
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
514 PM CDT Wed Apr 22 2020
TXC455-471-222245-
/O.CON.KHGX.TO.W.0013.000000T0000Z-200422T2245Z/
Trinity TX-Walker TX-
514 PM CDT Wed Apr 22 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN TRINITY AND NORTHEASTERN WALKER COUNTIES...
At 514 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Riverside, or 11 miles northeast of Huntsville,
moving east at 50 mph.
HAZARD...Tornado and two inch hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southwestern Trinity and northeastern Walker Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3074 9561 3087 9567 3099 9545 3080 9536
TIME...MOT...LOC 2214Z 248DEG 43KT 3087 9546
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$780
WWUS54 KHGX 222220
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
520 PM CDT Wed Apr 22 2020
TXC455-471-222245-
/O.CON.KHGX.TO.W.0013.000000T0000Z-200422T2245Z/
Trinity TX-Walker TX-
520 PM CDT Wed Apr 22 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN TRINITY AND NORTHEASTERN WALKER COUNTIES...
At 520 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Trinity, or 16 miles northeast of Huntsville, moving
east at 50 mph.
HAZARD...Tornado and two inch 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.
Locations impacted include...
Riverside.
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 3076 9551 3090 9561 3099 9545 3080 9536
TIME...MOT...LOC 2220Z 248DEG 43KT 3090 9538
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$434
WWUS54 KHGX 222227
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
527 PM CDT Wed Apr 22 2020
TXC455-471-222245-
/O.CON.KHGX.TO.W.0013.000000T0000Z-200422T2245Z/
Trinity TX-Walker TX-
527 PM CDT Wed Apr 22 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN TRINITY AND EAST CENTRAL WALKER COUNTIES...
At 527 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sebastopol, or 21 miles northeast of Huntsville,
moving east at 50 mph.
HAZARD...Tornado and two inch hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Riverside.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3078 9544 3089 9552 3094 9543 3080 9536
TIME...MOT...LOC 2227Z 248DEG 43KT 3093 9529
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$784
WWUS54 KHGX 222239
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
539 PM CDT Wed Apr 22 2020
TXC455-471-222247-
/O.EXP.KHGX.TO.W.0013.000000T0000Z-200422T2245Z/
Trinity TX-Walker TX-
539 PM CDT Wed Apr 22 2020
...THE TORNADO WARNING FOR SOUTHWESTERN TRINITY AND EAST CENTRAL
WALKER COUNTIES WILL EXPIRE AT 545 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until midnight CDT for southeastern
Texas.
Remember, a Tornado Warning still remains in effect for Southwestern
Trinity County... Northwestern San Jacinto County ... West central
Polk County in southeastern Texas...until 6 PM.
LAT...LON 3078 9544 3089 9552 3094 9543 3080 9536
TIME...MOT...LOC 2237Z 248DEG 43KT 3097 9518
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 11:52 AM CDT | Special Weather Statement | HGX | Houston | 38 min |
| Apr 22, 12:24 PM CDT | Special Weather Statement | HGX | Houston | 51 min |
| Apr 22, 2:19 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 26 min |
| Apr 22, 2:25 PM CDT | Tornado Warning | HGX | Houston | 20 min |
| Apr 22, 2:45 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 30 min |
| Apr 22, 2:50 PM CDT | Special Weather Statement | HGX | Brazos, Burleson | 40 min |
| Apr 22, 3:05 PM CDT | Tornado Warning | HGX | Houston | 10 min |
| Apr 22, 3:18 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Madison | 42 min |
| Apr 22, 3:58 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes, Madison, Walker | 47 min |
| Apr 22, 4:06 PM CDT | Special Weather Statement | HGX | Houston | 39 min |
| Apr 22, 4:22 PM CDT | Special Weather Statement | HGX | Trinity | 38 min |
| Apr 22, 4:33 PM CDT | Severe Thunderstorm Warning | HGX | Trinity, Walker | 11 min |
| Apr 22, 4:37 PM CDT | Tornado Warning | HGX | Grimes, Houston, Madison, Walker | 23 min |
| Apr 22, 5:01 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison, Polk, San Jacinto, Trinity, Walker | 44 min |
| Apr 22, 5:17 PM CDT | Tornado Warning | HGX | Polk, San Jacinto, Trinity, Walker | 43 min |
| Apr 22, 5:45 PM CDT | Tornado Warning | HGX | Polk, Trinity | 45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.