Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 49, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at May 27, 1999, 7:32 PM CDT for Montgomery County, Texas. It was in force for 43 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
- May 27, 1999, 7:32 PM CDT (00:32 UTC)
- Expired
- May 27, 1999, 8:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Montgomery County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.5 hours before the alert went out and 210 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
- 573 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1530 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KHOU 280034 RRA TORHOU TXC339-280115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 732 PM CDT THU MAY 27 1999 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * TORNADO WARNING FOR... MONTGOMERY COUNTY IN SOUTHEAST TEXAS * UNTIL 815 PM CDT * AT 732 PM CDT...DOPPLER RADAR INDICATED A POSSIBLE TORNADO JUST SOUTHWEST OF CONROE...MOVING SOUTHEAST AT 10 MPH. * LOCATIONS IN THE PATH OF THE TORNADO INCLUDE... PORTER HEIGHTS WOODBRANCH THE WOODLANDS SHENANDOAH THIS IS A DANGEROUS SITUATION QUICK ACTION MAY SAVE YOUR LIFE. MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR MOBILE HOME NOW FOR A STRONG SHELTER. IF SHELTER IS NOT AVAILABLE... MOVE TO A DITCH OR CULVERT AND COVER YOUR HEAD. IF YOU ARE OUTSIDE...SEEK SAFETY IN A STRONG SHELTER NOW. IF SHELTER IS NOT AVAILABLE...MOVE TO A DITCH OR CULVERT AND COVER YOUR HEAD WITH YOUR HANDS. 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 3042 9547 3026 9558 3010 9521 3026 9516
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 27, 3:21 PM CDT, 4 hours 11 minutes earlier.
Area forecast discussion, May 27, 3:21 PM CDT, 4 hours 11 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 321 PM CDT THU MAY 27 1999 TSRA/SHRA HAS BEEN DEVELOPING ALONG OLD COLD FRONTAL BOUNDARY DRAPED FROM DFW/LFK/POE LINE. SO FAR THE STRONGER CONVECTION HAS BEEN NW OF LFK ALONG THE FRONT. UPPER TROUGH AXIS TO THE NW WILL BE SLOWLY FILLING IN AS IT TRANSLATES EASTWARD. DO NOT SEE THE FRONT MAKING MUCH PROGRESS FURTHER SOUTH. EXPECT CONVECTIVE DEVELOPMENT OUT WEST TONIGHT TO PROPOGATE EAST INTO THE REGION...POPS WILL BE FAIRLY HIGH. SEVERE POTENTIAL WILL BE LOW...MAINLY MARGINAL HAIL...MORE LIKELY MICROBURSTS. FURTHER ON DOWN THE ROAD/LOW AND MID LEVEL WINDS FRIDAY WILL BE WEAK WITH MAINLY SOUTHERLY LL FLOW. ATMOSPHERE OVER THE AREA WILL BE UNSTABLE BUT ORGANIZED SOURCE OF CONVECTION APPEARS LACKING. WILL LOWER POPS FOR THE TIME BEING FOR FRIDAY. MOISTURE SURGES BACK INLAND ON SATURDAY AND REMAINS THROUGH THE HOLIDAY WEEKEND. .HGX...NONE. 45/41 PRELIMS... CLL BB 067/089 068/088 070 5432 IAH BB 070/090 071/090 073 5422 GLS BB 073/084 074/084 075 5422
In the hours before
Special weather statement, May 27, 5:24 PM CDT, 2 hours 8 minutes before
TXZ163-164-177>179-199-200-213-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 524 PM CDT THU MAY 27 1999 ...SEVERE THUNDERSTORM WATCH ISSUED FOR PORTIONS OF SOUTHEAST TEXAS... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR EASTERN PORTIONS OF SOUTHEAST TEXAS EFFECTIVE FROM 530 PM UNTIL 10 PM. COUNTIES THE WATCH AREA INCLUDE: HARRIS...HOUSTON...LIBERTY...MONTGOMERY...POLK...SAN JACINTO...TRINITY AND WALKER COUNTIES. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING 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 |
|---|---|---|---|---|
| May 27, 7:00 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 60 min |
| May 27, 8:00 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 60 min |
| May 27, 8:15 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 45 min |
| May 27, 9:00 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 45 min |
| May 27, 10:00 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 60 min |
| May 28, 1:35 AM CDT | Flash Flood Warning | HGX | Colorado | 3 hr |
| May 28, 4:00 AM CDT | Severe Thunderstorm Warning | HGX | Colorado, Wharton | 45 min |
| May 28, 5:40 AM CDT | Severe Thunderstorm Warning | HGX | Wharton | 50 min |
| May 28, 5:58 PM CDT | Severe Thunderstorm Warning | HGX | Waller | 32 min |
| May 28, 6:14 PM CDT | Severe Thunderstorm Warning | HGX | Jackson | 46 min |
| May 28, 6:35 PM CDT | Flash Flood Warning | HGX | Jackson | 115 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999
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.