Alert archive / Texas / Tornado Warnings in 2021
Tornado Warning 27, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Oct 27, 2021, 8:16 AM CDT for Harris County, Texas. It was in force for 29 min. 4 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
- Oct 27, 2021, 8:16 AM CDT (13:16 UTC)
- Expired
- Oct 27, 2021, 8:45 AM CDT
- In force
- 29 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Harris County, TX
The radar
The Houston radar (KHGX), 65 km from the middle of the area, began a volume at 13:20 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 |
|---|---|---|---|
| Oct 27, 8:33 AM CDT | TSTM WND DMG | 1 Nw Jersey Village, TX | TREES DOWN JERSEY MEADOW GOLF COURSE. |
| Oct 27, 8:44 AM CDT | TSTM WND DMG | 2 Sw Aldine, TX | STRUCTURE AND TREE DAMAGE WAS OBSERVED NEAR THE INTERSECTION OF AIRLINE RD AND WEST GULF BANK RD. POSSIBLE TORNADO PENDING FURTHER INVESTIGATION. |
| Oct 27, 8:44 AM CDT | TSTM WND DMG | 2 Sw Aldine, TX | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 SW ALDINE. UPDATED PREVIOUS TSTM WND DMG REPORT FROM 2 SW ALDINE. LARGE TREE DOWN ONTO HOME WITH SIGNIFICANT DAMAGE ON AIRWAY DRIVE. LITTLE OR NO DAMAGE TO SURROUNDING AREAS, NO DAMAGE PATH. NOT AWARE OF ANY SIGHTIN |
| Oct 27, 8:44 AM CDT | TSTM WND DMG | 2 Sw Aldine, TX | UPDATED PREVIOUS TSTM WND DMG REPORT FROM 2 SW ALDINE. LARGE TREE DOWN ONTO HOME WITH SIGNIFICANT DAMAGE ON AIRWAY DRIVE. LITTLE OR NO DAMAGE TO SURROUNDING AREAS, NO DAMAGE PATH. NOT AWARE OF ANY SIGHTINGS OF FUNNELS REPORTED. KEEPING AS THUNDERSTORM WIND DAM |
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 |
|---|---|---|---|
| Oct 27, 7:55 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.3 hours before the alert went out and 230 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
- 1422 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.1
The text
As transmitted.
791
WFUS54 KHGX 271316
TORHGX
TXC201-271345-
/O.NEW.KHGX.TO.W.0027.211027T1316Z-211027T1345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
816 AM CDT Wed Oct 27 2021
The National Weather Service in League City has issued a
* Tornado Warning for...
Central Harris County in southeastern Texas...
* Until 845 AM CDT.
* At 815 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Cypress, or 7 miles northwest of Addicks Park Ten,
moving east at 40 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...
Jersey Village and northeastern Addicks Park Ten around 825 AM
CDT.
Spring Branch West, Carverdale, Fairbanks / Northwest Crossing,
Westbranch and Willowbrook around 830 AM CDT.
Spring Branch North, Spring Valley, Greater Inwood, Spring Branch
East and Spring Branch Central around 835 AM CDT.
Hunters Creek Village, Greater Greenspoint, Hilshire Village,
Central Northwest, Langwood, Lazybrook / Timbergrove and Greater
Uptown around 840 AM CDT.
Northside / Northline, Aldine, Near Northside Houston, Greater
Heights, Memorial Park, Downtown Houston, Neartown / Montrose,
Afton Oaks / River Oaks Area, Fourth Ward and Greater Fifth Ward
around 845 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Discovery Green, Compass Stadium and Minute Maid Park.
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 2987 9576 2994 9576 2999 9527 2972 9530
TIME...MOT...LOC 1315Z 276DEG 33KT 2990 9571
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$2 follow-up statements
901
WWUS54 KHGX 271330
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
830 AM CDT Wed Oct 27 2021
TXC201-271345-
/O.CON.KHGX.TO.W.0027.000000T0000Z-211027T1345Z/
Harris TX-
830 AM CDT Wed Oct 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM CDT FOR CENTRAL
HARRIS COUNTY...
At 829 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Jersey Village, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Greater Inwood, Langwood and Spring Branch East around 835 AM CDT.
Greater Greenspoint, Central Northwest and Lazybrook / Timbergrove
around 840 AM CDT.
Northside / Northline, Acres Home, Independence Heights and Hidden
Valley around 845 AM CDT.
Near Northside Houston, Aldine, northern Greater Heights and
Eastex / Jensen Area around 850 AM CDT.
Greater Fifth Ward, Houston Gardens, Settegast, East Little York /
Homestead, Kashmere Gardens and Denver Harbor / Port Houston
around 855 AM CDT.
East Houston around 900 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 2984 9561 2995 9561 2999 9527 2978 9529
TIME...MOT...LOC 1329Z 276DEG 33KT 2989 9556
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Cady767
WWUS54 KHGX 271340
SVSHGX
Severe Weather Statement
National Weather Service Houston/Galveston TX
840 AM CDT Wed Oct 27 2021
TXC201-271350-
/O.EXP.KHGX.TO.W.0027.000000T0000Z-211027T1345Z/
Harris TX-
840 AM CDT Wed Oct 27 2021
...THE TORNADO WARNING FOR CENTRAL HARRIS COUNTY WILL EXPIRE AT 845
AM 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. However gusty
winds are still possible with this thunderstorm.
A Tornado Watch remains in effect until 400 PM CDT for southeastern
Texas.
LAT...LON 2984 9561 2995 9561 2999 9527 2978 9529
TIME...MOT...LOC 1340Z 276DEG 33KT 2988 9545
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 10:39 PM CDT | Rip Current Statement | HGX | Brazoria, Galveston, Matagorda | 21 hr |
| Oct 27, 6:10 AM CDT | Special Marine Warning | HGX | 50 min | |
| Oct 27, 6:44 AM CDT | Special Weather Statement | HGX | Austin, Brazos, Grimes, Madison, Washington | 46 min |
| Oct 27, 6:56 AM CDT | Special Marine Warning | HGX | 34 min | |
| Oct 27, 6:58 AM CDT | Special Marine Warning | HGX | 32 min | |
| Oct 27, 7:23 AM CDT | Special Marine Warning | HGX | 37 min | |
| Oct 27, 7:31 AM CDT | Special Weather Statement | HGX | Austin, Colorado, Grimes, Jackson, Montgomery, Walker and 3 more | 44 min |
| Oct 27, 8:06 AM CDT | Tornado Warning | HGX | Harris, Montgomery | 24 min |
| Oct 27, 8:09 AM CDT | Special Marine Warning | HGX | 66 min | |
| Oct 27, 8:09 AM CDT | Special Marine Warning | HGX | 66 min | |
| Oct 27, 8:28 AM CDT | Special Weather Statement | HGX | Brazoria, Fort Bend, Harris, Liberty, Matagorda, Montgomery and 4 more | 92 min |
| Oct 27, 8:38 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 37 min |
| Oct 27, 8:48 AM CDT | Tornado Warning | HGX | Harris, Liberty, Montgomery | 27 min |
| Oct 27, 8:55 AM CDT | Tornado Warning | HGX | Harris, Liberty | 35 min |
| Oct 27, 8:57 AM CDT | Special Marine Warning | HGX | 93 min | |
| Oct 27, 9:16 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 29 min |
| Oct 27, 9:23 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris, Liberty | 37 min |
| Oct 27, 9:31 AM CDT | Special Marine Warning | HGX | 119 min | |
| Oct 27, 9:52 AM CDT | Special Weather Statement | HGX | Chambers, Galveston | 53 min |
| Oct 27, 9:58 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Liberty | 32 min |
| Oct 27, 11:31 AM CDT | Special Marine Warning | HGX | 29 min | |
| Oct 27, 11:51 AM CDT | Special Marine Warning | HGX | 84 min | |
| Oct 27, 3:05 PM CDT | Wind Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 28 hr |
| Oct 27, 3:26 PM CDT | Gale Warning | HGX | 36 hr |
Nearby
Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes in 2021
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.