Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 34, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 15, 2001, 7:19 PM CDT for Brazos County, Grimes 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Apr 15, 2001, 7:19 PM CDT (00:19 UTC)
- Expired
- Apr 15, 2001, 7:45 PM CDT
- In force
- 26 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Brazos County, TX, Grimes County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 0.3 hours before the alert went out and 264 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
- 2538 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KHGX 160020
SVRHOU
TXC041-185-160045-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
719 PM CDT SUN APR 15 2001
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GRIMES COUNTY IN SOUTHEAST TEXAS
BRAZOS COUNTY IN SOUTHEAST TEXAS
* UNTIL 745 PM CDT
* AT 713 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5
MILES NORTH OF IOLA...MOVING SOUTHEAST AT 10 MPH.
* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
IOLA
BEDIAS
ROANS PRAIRIE
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. STAY AWAY FROM WINDOWS
THIS STORM MAY PRODUCE LARGE DAMAGING HAIL...RESULTING IN EXTENSIVE
PROPERTY DAMAGE OR SERIOUS INJURY. AVOID WINDOWS AND TAKE COVER NOW
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 3085 9606 3081 9630 3045 9621 3051 9600
3057 9584 3086 9589What 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 Apr 15, 2:00 PM CDT, 5 hours 19 minutes earlier.
Area forecast discussion, Apr 15, 2:00 PM CDT, 5 hours 19 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 200 PM CDT SUN APR 15 2001 FRONTAL BOUNDARY JUST N OF CWA JUST MIGHT HAVE ENOUGH PUSH TO MAKE IT NEAR THE COAST BY LATE TONIGHT. ITS THEN EXPECTED TO WASH OUT WITH E & SE WINDS REDEVELOPING MONDAY. BIG STORY OF THE WEEK (AND MAYBE MONTH) IS THE NEXT FRONT. STILL SOME TIMING DIFFERENCES BETWEEN THE MODELS - WITH ETA BEING THE FASTEST - BUT IT LOOKS TO BE PASSING THRU LATE MONDAY NIGHT AND OFF THE COAST EARLY TUESDAY AS A 1039 HIGH DROPS INTO THE PLAINS. MODELS ALL SHOWING SOME PRECIP DEVELOPING ALONG THE FRONT WITH MOST SIGNIFICANT ACCUMULATIONS IN CENTRAL TX. CLOUDS SHOULD STICK AROUND MOST OF THE DAY TUESDAY LIMITING MUCH HEATING. APPEARS WE MIGHT ACTUALLY SEE BELOW NORMAL TEMPS FOR THIS TIME OF MONTH BUT DONT GET USED TO IT. ONSHORE WINDS RESUME WEDNESDAY NIGHT AND THURSDAY AS SURFACE HIGH SHIFTS TO THE EAST. EXTENDED: H5 RIDGE CENTERED OVER BAJA GRADUALLY FLATTENS ALLOWING NW FLOW ALOFT TO BECOME ZONAL. OTHER THAN INCREASING HUMIDITIES AND A GRADUAL WARM-UP...NO SIGNIFICANT WX-MAKERS SEEN ON THE HORIZON. WILL CONTINUE TO WATCH TSTMS ALONG THE SABINE AND WILL MAKE A DECISION ON 1ST PERIOD POPS NEAR PRESS TIME. TEMPS HEATING UP NICELY & 88-D SHOWING SIGNS PRECIP IS STARTING TO BACKBUILD. LEANING TOWARD MAV TEMPS. 47/34/DO .HGX...NONE. PRELIMS... CLL BC 063/082 058/067 047 214 IAH BC 064/083 061/070 048 212 GLS BC 070/079 066/071 055 211
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:07 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Montgomery | 38 min |
| Apr 15, 8:35 PM CDT | Severe Thunderstorm Warning | HGX | Burleson, Washington | 55 min |
| Apr 15, 8:47 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 43 min |
| Apr 15, 9:24 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 36 min |
| Apr 15, 9:29 PM CDT | Severe Thunderstorm Warning | HGX | Austin, Washington | 46 min |
| Apr 16, 1:55 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 50 min |
| Apr 16, 2:45 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 60 min |
| Apr 16, 2:51 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 54 min |
| Apr 16, 3:33 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Washington | 27 min |
| Apr 16, 3:39 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Harris | 51 min |
| Apr 16, 3:49 PM CDT | Severe Thunderstorm Warning | HGX | Waller | 56 min |
| Apr 16, 3:49 PM CDT | Tornado Warning | HGX | Brazoria, Fort Bend | 26 min |
| Apr 16, 4:00 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Washington | 30 min |
| Apr 16, 4:31 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 44 min |
| Apr 16, 4:42 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Waller | 63 min |
| Apr 16, 5:15 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend | 60 min |
| Apr 16, 6:57 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 33 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; the sounding from the Mesonet's radiosonde archive.