Alert archive / Texas / Tornado Warnings in 2007
Tornado Warning 2, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Mar 13, 2007, 10:02 PM CDT for Harris County, Montgomery County, Texas. It was in force for 28 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
- Mar 13, 2007, 10:02 PM CDT (03:02 UTC)
- Expired
- Mar 13, 2007, 10:30 PM CDT
- In force
- 28 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Harris County, TX, Montgomery County, TX
The radar
The Houston radar (KHGX), 65 km from the middle of the area, began a volume at 03:04 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 13, 6:40 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.0 hours before the alert went out and 203 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
- 558 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KHGX 140302 TORHGX TXC201-339-140330- /O.NEW.KHGX.TO.W.0002.070314T0302Z-070314T0330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1002 PM CDT TUE MAR 13 2007 THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A * TORNADO WARNING FOR... NORTHERN HARRIS COUNTY IN SOUTHEAST TEXAS SOUTHEAST MONTGOMERY COUNTY IN SOUTHEAST TEXAS * UNTIL 1030 PM CDT * AT 959 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR BUSH-INTERCONTINENTAL AIRPORT...MOVING NORTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... HUMBLE... KINGWOOD... TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU SEE OR HEAR A TORNADO - TAKE COVER NOW A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING FOR SOUTHEAST TEXAS. PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE... OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 3001 9545 2987 9532 3001 9509 3019 9523 $$
1 follow-up statement
000 WWUS54 KHGX 140330 SVSHGX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1030 PM CDT TUE MAR 13 2007 TXC201-339-140340- /O.EXP.KHGX.TO.W.0002.000000T0000Z-070314T0330Z/ MONTGOMERY TX-HARRIS TX- 1030 PM CDT TUE MAR 13 2007 ...THE TORNADO WARNING FOR HARRIS AND MONTGOMERY COUNTIES HAS BEEN ALLOWED TO EXPIRE... THE THUNDERSTORM BETWEEN NEW CANEY AND KINGWOOD WHICH PROMPTED THE TORNADO WARNING HAS WEAKENED AND IS NO LONGER EXPECTED TO POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. WIND GUSTS BETWEEN 40 AND 50 MPH AND SMALL HAIL ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT CONTINUES MOVING TO THE NORTHEAST AT 30 MPH. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING FOR SOUTHEAST TEXAS. PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE... OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 3001 9545 2987 9532 3001 9509 3019 9523 $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 7:29 PM CDT | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 31 min |
| Mar 13, 8:23 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend | 52 min |
| Mar 13, 9:17 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 43 min |
| Mar 13, 10:12 PM CDT | Special Marine Warning | HGX | 63 min | |
| Mar 13, 10:16 PM CDT | Special Marine Warning | HGX | 119 min | |
| Mar 14, 12:51 AM CDT | Special Marine Warning | HGX | 114 min | |
| Mar 14, 1:50 AM CDT | Special Marine Warning | HGX | 85 min | |
| Mar 14, 2:59 AM CDT | Special Marine Warning | HGX | 91 min | |
| Mar 14, 9:37 AM CDT | Severe Thunderstorm Warning | HGX | Jackson, Wharton | 38 min |
| Mar 14, 10:05 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 40 min |
| Mar 14, 10:17 AM CDT | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 43 min |
| Mar 14, 10:33 AM CDT | Special Marine Warning | HGX | 57 min | |
| Mar 14, 10:41 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 49 min |
| Mar 14, 10:53 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Galveston, Harris | 37 min |
| Mar 14, 11:26 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Galveston | 34 min |
| Mar 14, 11:30 AM CDT | Special Marine Warning | HGX | 45 min | |
| Mar 14, 11:38 AM CDT | Severe Thunderstorm Warning | HGX | Washington | 52 min |
| Mar 14, 11:41 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 34 min |
| Mar 14, 12:01 PM CDT | Special Marine Warning | HGX | 59 min | |
| Mar 14, 12:15 PM CDT | Special Marine Warning | HGX | 90 min | |
| Mar 14, 12:26 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 34 min |
| Mar 14, 12:34 PM CDT | Severe Thunderstorm Warning | HGX | Austin, Waller, Washington | 56 min |
| Mar 14, 12:44 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Grimes | 31 min |
| Mar 14, 1:03 PM CDT | Special Marine Warning | HGX | 117 min | |
| Mar 14, 1:23 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend | 37 min |
| Mar 14, 2:20 PM CDT | Special Marine Warning | HGX | 55 min | |
| Mar 14, 2:27 PM CDT | Special Marine Warning | HGX | 93 min | |
| Mar 14, 2:56 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Harris | 49 min |
| Mar 14, 3:12 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 48 min |
| Mar 14, 3:20 PM CDT | Special Marine Warning | HGX | 85 min | |
| Mar 14, 4:39 PM CDT | Special Marine Warning | HGX | 96 min | |
| Mar 14, 4:45 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Galveston, Harris | 45 min |
| Mar 14, 5:07 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 53 min |
| Mar 14, 6:02 PM CDT | Special Marine Warning | HGX | 88 min |
Nearby
Tornado Warnings in Texas, 2007Every tornado warning in 2007Tornadoes in 2007
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.