Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 62, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 6, 2001, 8:23 PM CDT for Houston County, Madison County, Texas. It was in force for 52 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 6, 2001, 8:23 PM CDT (01:23 UTC)
- Expired
- May 6, 2001, 9:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Houston County, TX, Madison County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 6, 8:25 PM CDT | Thunderstorm Wind | Madisonville, TX | Reports of trees down. |
| May 6, 8:57 PM CDT | Thunderstorm Wind | Lovelady, TX | Reports of trees down along FM 230 in Lovelady. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.4 hours before the alert went out and 235 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
- 2500 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 6, 8:20 PM CDT, 3 minutes earlier.
Area forecast discussion, May 6, 8:20 PM CDT, 3 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 820 PM CDT SUN MAY 6 2001 LN OF STG TO SVR TSTMS ENTERING NRN ZONES ATTM. WILL UP POPS N AND CTRL FIRST PERIOD. SHD SEE A LULL IN THE ACTION TMRW MORNING AND EARLY AFTN. ANOTHER ROUND PSBL TMRW AFTN AND EVENING ALG SFC FNTL BOUNDARY. NO CHG TO REST OF PKG. BROAD H5 TROF WILL GRADUALLY MOVE E...LEAVING AREA IN A WEAK NW FLOW BY 60 HRS...CONTG INTO THE WEEKEND. ISOLD TO SCT CONVECTION PSBL DIURNALLY REST OF WEEK. REST OF FCST LEFT ALONE BEYOND FIRST PERIOD. .HGX...NONE. PRELIMS... CLL EE 066/084 066/082 062 834 IAH EE 068/084 067/082 063 734 GLS EE 073/081 071/079 070 4433
In the hours before
Special weather statement, May 6, 3:15 PM CDT, 5 hours 8 minutes before
GMZ330-335-350-355-TXZ163-164-176>179-195>200-210>214-226-227-235>238- 071000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 315 PM CDT SUN MAY 6 2001 ...SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST TEXAS TONIGHT AND MONDAY... AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS NORTH TEXAS TONIGHT ALLOWING THUNDERSTORMS TO DEVELOP ACROSS CENTRAL TEXAS. SOME OF THESE STORMS ARE EXPECTED TO MOVE INTO THE WESTERN COUNTIES OF SOUTHEAST TEXAS LATE THIS EVENING...WITH SCATTERED THUNDERSTORMS SPREADING OVER THE REST OF THE AREA AFTER MIDNIGHT. WITH A VERY UNSTABLE AIRMASS IN PLACE OVER SOUTHEAST TEXAS SOME OF THESE STORMS MAY BECOME SEVERE. THE PRIMARY SEVERE WEATHER THREAT WILL BE DAMAGING WIND AND LARGE HAIL. BRIEF HEAVY RAINFALL CAN ALSO BE EXPECTED WITH SOME OF THE STORMS. THE FIRST ROUND OF STORMS WILL MOVE OFF THE COAST MONDAY MORNING... BUT THE AIRMASS ACROSS SOUTHEAST TEXAS WILL DESTABILIZE AGAIN MONDAY AFTERNOON. A WEAK COOL FRONT WILL MOVE INTO SOUTHEAST TEXAS MONDAY AFTERNOON PRODUCING SCATTERED THUNDERSTORMS...SOME OF WHICH AGAIN COULD BECOME SEVERE. PERSONS ACROSS SOUTHEAST TEXAS SHOULD MONITOR WEATHER CONDITIONS TONIGHT AND MONDAY AND PLAN FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS. MONITOR NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR THE LATEST INFORMATION.
Special weather statement, May 6, 6:47 PM CDT, 1 hour 36 minutes before
TXZ163-164-176>179-195>200-210>213-227-070600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 647 PM CDT SUN MAY 6 2001 ...TORNADO WATCH IN EFFECT FOR INLAND PORTIONS OF SOUTHEAST TEXAS UNTIL 100 AM TONIGHT... THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH UNTIL 100 AM TONIGHT FOR THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS... AUSTIN...BRAZOS...BURLESON...COLORADO...FORT BEND...GRIMES... HARRIS...HOUSTON...MADISON...MONTGOMERY...POLK...SAN JACINTO... TRINITY...WALKER...WALLER...AND WASHINGTON. THE TORNADO WATCH INCLUDES METRO HOUSTON. THE ATMOSPHERE THIS EVENING IS VERY UNSTABLE. THIS MEANS THAT THE AIRMASS NEAR THE SURFACE IS WARM AND MOIST...WHILE COOLER DRIER CONDITIONS EXIST ALOFT. THIS COMBINED WITH AN UPPER LEVEL DISTURBANCE CROSSING THE AREA COULD LEAD TO SEVERE THUNDERSTORMS AND ISOLATED TORNADOES OVER THE AREA. BE ALERT FOR THE POSSIBILITY OF LARGE HAIL...DAMAGING WINDS...AND POSSIBLY A TORNADO IN ANY THUNDERSTORMS TONIGHT. THE RISK FOR SEVERE WEATHER WILL BEGIN NEAR 800 PM IN THE EXTREME NORTH PART OF THE REGION...SPOTS SUCH AS COLLEGE STATION...MADISONVILLE AND CROCKETT... WHILE AREAS FURTHER SOUTH SUCH AS CLEVELAND...METRO HOUSTON AND COLUMBUS WOULD LIKELY NOT EXPERIENCE SEVERE WEATHER UNTIL LATE THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR THE LATEST UPDATES. REMEMBER...THE SAFEST PLACE TO BE IN A SEVERE THUNDERSTORM OR A TORNADO IS THE LOWEST FLOOR OF A REINFORCED BUILDING...AWAY FROM WINDOWS. END/46
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:04 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 41 min |
| May 6, 9:43 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery, San Jacinto, Walker | 47 min |
| May 6, 9:43 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 47 min |
| May 6, 10:05 PM CDT | Severe Thunderstorm Warning | HGX | Burleson, Washington | 40 min |
| May 7, 6:49 PM CDT | Severe Thunderstorm Warning | HGX | Wharton | 41 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.