Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 95, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 5, 2000, 6:55 PM CDT for Grimes County, Texas. It was in force for 35 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 5, 2000, 6:55 PM CDT (23:55 UTC)
- Expired
- May 5, 2000, 7:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Grimes County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 258 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
- 508 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 052356 SVRHOU TXC185-060030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 655 PM CDT FRI MAY 5 2000 THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRIMES COUNTY IN SOUTHEAST TEXAS * UNTIL 730 PM CDT * AT 652 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHWEST OF BEDIAS...MOVING EAST SOUTHEAST AT 20 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... BEDIAS HAIL TO 1 INCH IN DIAMETER AND WIND GUSTS IN EXCESS OF 55 MPH ARE LIKELY WITH THIS STORM. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. 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 3083 9615 3072 9602 3065 9584 3086 9588 )
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 5, 2:45 PM CDT, 4 hours 10 minutes earlier.
Area forecast discussion, May 5, 2:45 PM CDT, 4 hours 10 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 245 PM CDT FRI MAY 5 2000 WV SAT LOOP INDICATES UPPER LOW MOVING N-NW TODAY. MODEL SOLNS IN GOOD AGREEMENT THAT THIS FEATURE WILL WEAKEN AND MOVE OFF TO THE NE AS IT GETS PICKED UP BY THE WESTERLIES. HEIGHTS WILL RISE OVER THE AREA THIS WEEKEND WHICH WILL ALLOW FOR WARMER TEMPS AND A DECREASING CHC OF RAIN. LOW-LEVEL MOISTURE IS IN ABUNDANCE THIS AFT WITH NEAR 70 DW PTS ACROSS MOST OF FA. SOUTHWARD SINKING BOUNDARY FROM EARLIER N TX CONVECTION GETTING CLOSE TO NW PORTIONS OF FA. EXPECT SCT TSTMS ACROSS THE NW ZONES DURING THE NEXT FEW HOURS. WILL LIKELY ADJUST POPS FOR FIRST PD BASED ON CONVECTIVE TRENDS ACROSS N/NW ZONES AT ISSUANCE TIME. WILL KEEP MENTION OF SVR TSTMS FOR CENTRAL AND N ZONES FOR THIS EVENING. WILL MENTION SLIGHT CHC FOR AFT/EVE TSTMS SAT. ATMOS STILL POTENTIALLY UNSTABLE...BUT NOT LIKELY TO HAVE A SIGNIFICANT TRIGGER OTHER THAN HEATING. EXPECT CAP TO BE SUFFICIENT ON SUN AND MON TO LEAVE POPS OUT OF FORECAST. WILL BRING SLIGHT CHC BACK ON TUE/WED AS MID-LEVEL TROF MOVES ACROSS AND FRONT WASHES OUT ACROSS AREA. TEMPS WILL BE CLOSE TO GUID NUMBERS. LITTLE CHG IN SFC PRESSURE GRADIENT EXPECTED DURING THE PD AS HIGH REMAINS TO OUR EAST AND LOW PRESSURE TROF IS PARKED IN TX PANHANDLE/FAR WEST TEXAS. SE WINDS EXPECTED IN THE 15 TO 20 MPH DURING THE AFT HOURS. 33/47 .KHGX...NONE. PRELIMS... CLL BB 071/088 071/089 072 321 IAH BB 071/088 071/088 072 321 GLS BB 074/082 075/082 075 221
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:17 PM CDT | Severe Thunderstorm Warning | HGX | Walker | 43 min |
| May 5, 5:28 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Madison | 62 min |
| May 5, 6:27 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison | 48 min |
| May 5, 6:47 PM CDT | Severe Thunderstorm Warning | HGX | Walker | 43 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; the sounding from the Mesonet's radiosonde archive.