Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 46, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 2, 2000, 2:37 PM CDT for Galveston County, Texas. It was in force for 53 min. 1 report 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
- Apr 2, 2000, 2:37 PM CDT (19:37 UTC)
- Expired
- Apr 2, 2000, 3:30 PM CDT
- In force
- 53 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Galveston County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 2, 3:00 PM CDT | Hail 0.75 | Galveston, TX |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 2, 12:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.6 hours before the alert went out and 180 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
- 984 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 021940 SVRHOU TXC167-022030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 237 PM CDT SUN APR 2 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GALVESTON COUNTY IN SOUTHEAST TEXAS * UNTIL 330 PM CDT * AT 235 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF JAMAICA BEACH...MOVING NORTHEAST AT 20 MPH. ANOTHER SEVERE STORM NEAR SOUTH SHORE HARBOR IS ON TRACK TO MOVE INTO THE BAY WITHING THE NEXT 10 MINUTES. PEA SIZE HAIL WAS REPORTED WITH THIS STORMS. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... JAMAICA BEACH GALVESTON...HITCHCOCK TIKI ISLAND TEXAS CITY MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. A TORNADO WATCH IS ALSO IN EFFECT. SEVERE STORMS CAN PRODUCE TORNADOES WITH LITLLE OR NO ADVANCE WBARNING. 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.
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 Apr 2, 9:35 AM CDT, 5 hours 2 minutes earlier.
Area forecast discussion, Apr 2, 9:35 AM CDT, 5 hours 2 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 935 AM CDT SUN APR 2 2000 THE FIRST ROUND OF THUNDERSTORMS HAVE PUSHED NORTHEAST AND DIMINISHED. HOWEVER...MORE THUNDERSTORMS ARE IN STORE AFTER THE DAYTIME HEATING GETS STARTED. THE CRP SOUNDING IS VERY UNSTABLE WITH AN LI OF -10... CAPE OF 3200...AND K-INDEX OF 6. AFTER MODIFYING THE SOUNDING TO REFLECT SURFACE TEMPERATURES IN THE MID 70S...THE CAPE GOES UP TO 4500 AND THE K-INDEX TO 35. WILL KEEP THE MENTION OF SEVERE AND HEAVY RAINFALL IN THE FORECAST. THE MAIN CHALLENGE IS THE COVERAGE OF RAIN TODAY. THE RADAR MOSAIC SHOWS THE BULK OF THE STORMS NOW DEVELOPING OVER THE EWX AND GRK AREAS. THESE MAY CLIP THE NORTHWESTERN SETX COUNTIES. BECAUSE THE MCS MOVED THROUGH THE AREA JUST A FEW HOURS AGO AM INCLINED TO LOWER THE POPS BELOW CATEGORICAL TO THE LIKELY CATEGORY TODAY. WILL ALSO TWEAK THE COUNTY ARRANGEMENT A BIT TO INCLUDE MORE COUNTIES IN THE NORTHWESTERN GROUP. WILL KEEP THE OTHER PARTS OF THE FORECAST INTACT. PL-40 33 .KHGX...NONE. PREV PRELIMS... CLL TT 069/059 070/042 066 786 IAH TT 073/063 072/045 067 886 GLS TT 074/070 073/053 066 887
In the hours before
Special weather statement, Apr 2, 12:27 PM CDT, 2 hours 10 minutes before
TXZ178-179-199-200-212>214-226-227-236>238-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1227 PM CDT SUN APR 2 2000 ...TORNADO WATCH IN EFFECT UNTIL 6 PM FOR PORTIONS OF SOUTHEAST TEXAS... COUNTIES IN IN THE WATCH AREA INCLUDE... BRAZORIA...CHAMBERS...FORT BEND...GALVESTON...HARRIS...LIBERTY... MATAGORDA...MONTGOMERY...POLK...SAN JACINTO...WALLER...AND WHARTON. AT 1225 PM THUNDERSTORMS WERE BEGINNING TO DEVELOP ALONG AND AHEAD OF A COLD FRONT THAT WAS MOVING THROUGH SOUTHEAST TEXAS. ATMOSPHERIC CONDITIONS AHEAD OF THE FRONT REMAIN CONDUCIVE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOES. OTHER SEVERE WEATHER RISKS INCLUDE LARGE HAIL AND DAMAGING WIND. SOME OF THE THUNDERSTORMS MAY DEVELOP AND MOVE REPEATEDLY OVER THE SAME AREAS...PRODUCING VERY HEAVY RAINFALL. THIS WILL BE ESPECIALLY TRUE NEAR THE COLD FRONT. RAINFALL AMOUNTS COULD APPROACH 3 TO 5 INCHES.J STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE WEATHER NEWS SOURCES FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON THIS SEVERE WEATHER THREAT.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 12:47 AM CST | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 43 min |
| Apr 2, 1:04 AM CST | Severe Thunderstorm Warning | HGX | Wharton | 41 min |
| Apr 2, 3:11 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 49 min |
| Apr 2, 3:19 AM CDT | Severe Thunderstorm Warning | HGX | Jackson | 41 min |
| Apr 2, 3:30 AM CDT | Severe Thunderstorm Warning | HGX | Polk | 45 min |
| Apr 2, 3:32 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Waller | 43 min |
| Apr 2, 3:55 AM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 35 min |
| Apr 2, 4:02 AM CDT | Flash Flood Warning | HGX | Montgomery | 3 hr |
| Apr 2, 4:11 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 49 min |
| Apr 2, 4:21 AM CDT | Severe Thunderstorm Warning | HGX | Polk, San Jacinto | 54 min |
| Apr 2, 4:38 AM CDT | Severe Thunderstorm Warning | HGX | Liberty | 52 min |
| Apr 2, 5:05 AM CDT | Flash Flood Warning | HGX | Harris | 115 min |
| Apr 2, 5:07 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 53 min |
| Apr 2, 5:55 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty | 50 min |
| Apr 2, 7:43 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend | 47 min |
| Apr 2, 12:29 PM CDT | Severe Thunderstorm Warning | HGX | Matagorda | 71 min |
| Apr 2, 12:33 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 57 min |
| Apr 2, 1:24 PM CDT | Tornado Warning | HGX | Brazoria, Matagorda | 36 min |
| Apr 2, 1:31 PM CDT | Severe Thunderstorm Warning | HGX | Galveston, Harris | 59 min |
| Apr 2, 2:08 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 67 min |
| Apr 2, 2:26 PM CDT | Severe Thunderstorm Warning | HGX | Liberty | 64 min |
| Apr 2, 4:45 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 60 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.