Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 32, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 27, 2001, 2:58 PM CST for Brazoria County, Galveston County, Texas. It was in force for 47 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Mar 27, 2001, 2:58 PM CST (20:58 UTC)
- Expired
- Mar 27, 2001, 3:45 PM CST
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Brazoria County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 21 km from the middle of the area, began a volume at 20:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 3:30 PM CST | Hail 0.75 | Hitchcock, 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.0 hours before the alert went out and 213 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
- 1721 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 275 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 272059 SVRHOU TXC039-167-272145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 258 PM CST TUE MAR 27 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GALVESTON COUNTY IN SOUTHEAST TEXAS BRAZORIA COUNTY IN SOUTHEAST TEXAS * UNTIL 345 PM CST * AT 249 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF LIVERPOOL...MOVING EAST AT 45 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... SANTA FE HITCHCOCK LA MARQUE...BAYOU VISTA...TEXAS CITY...JAMAICA BEACH TIKI ISLAND...TIKI ISLAND...GALVESTON 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 2937 9548 2924 9539 2914 9476 2948 9492
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 Mar 27, 2:55 PM CST, 3 minutes earlier.
Area forecast discussion, Mar 27, 2:55 PM CST, 3 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
255 PM CST TUE MAR 27 2001
WIDESPREAD ELEVATED CONVECTION OVER NORTHERN TWO THIRDS OF CWFA
W/ISOLATED STRONGER CELLS OVER WESTERN ZONES. NEW AREA OF CONVECTION
INCREASING EXTREME SW PORTION OF CWFA. TEMPERATURES LOWERING DUE
TO EVAPORATIONAL COOLING FROM PRECIPITATION. MODELS ACTUALLY IN
CLOSE AGREEMENT NEXT 24 HOURS BRINGING BRUNT OF HEAVIER PRECIP OVER
NORTHERN AND CENTRAL ZONES (ALONG AND N OF I-10). UPPER TROUGH WILL
TAKE EARLY THU MORNING. MEANWHILE...SPOKES OF ENERGY WILL CONTINUE
TO GIVE OUR AREA CHANCE OF SHRA/TSRA. COASTAL TROUGH/FRONT AND
DEVELOPING WEAK SURFACE LOW ALONG TROUGH WILL FOCUS HEAVIER PRECIP
OVER COASTAL AND ADJACENT ZONES ON WEDNESDAY. ETA BEING SURFACE LOW
SOMEWHAT FARTHER OFFSHORE WHILE AVN MOVES IT SLOWER ALONG COASTLINE.
SURFACE LOW SHOULD BE E OF REGION LATE WED NIGHT/EARLY THURSDAY.
WILL COMPROMISE ON MODEL SOLUTIONS. WILL MENTION LOCALLY HEAVY
RAINFALL IN FORECAST PACKAGE. SPSHOU ALREADY OUT MENTIONING 1-3
INCHES LOCALLY THROUGH EVENT LASTING THROUGH WEDNESDAY. WILL MENTION
OF SLIGHT CHC PRECIP THURSDAY AS AREA REMAINS UNDER BROAD
LONG WAVE TROUGH. WILL ADD MENTION PRECIP TO OUTLOOK (LATE SATURDAY
-EARLY SUNDAY PERIOD) AS COLD FRONT AND UPPER LEVEL IMPULSE MOVES
THROUGH REGION. PRESSURE GRADIENT WILL REMAIN TIGHT ACROSS MARINE
WATERS...WILL CONTINUE SCA COASTAL WATERS AND SCEC BAYS.
.HGX...SCA 0-60 NM COASTAL WATERS FROM MATAGORDA SHIP CHANNEL
TO HIGH ISLAND. SCEC BAYS.
37/46
CLL TE 046/058 047/067 051 +96
IAH TE 049/061 050/069 052 +98
GLS TE 055/065 059/069 060 ++8In the hours before
Special weather statement, Mar 27, 11:00 AM CST, 3 hours 58 minutes before
TXZ163-164-176>179-195>200-210>213-280400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1100 AM CST TUE MAR 27 2001 ...AREAS OF HEAVY RAIN EXPECTED INTO WEDNESDAY... PERIODS OF MODERATE TO HEAVY RAIN ARE EXPECTED OVER SOUTHEAST TEXAS INTO WEDNESDAY. 1 TO 3 INCHES OF RAIN IS FORECAST OVER THE AREA... WITH THE HEAVIEST TOTALS NORTH OF INTERSTATE 10. BE ALERT FOR HIGH STANDING WATER IN AREAS OF POOR DRAINAGE. WHEN DRIVING...SLOW DOWN AND AVOID SUDDEN SWERVES TO KEEP FROM HYDROPLANING. WHILE SIGNIFICANT FLASH FLOODING IS NOT EXPECTED...SOME AREA WATERWAYS COULD REACH BANKFULL LEVELS. SOIL MOISTURE LEVELS ARE HIGH DUE TO OUR RECENT ABUNDANT RAINFALL. THIS LEADS TO INCREASED RUNOFF INTO AREA STREAMS AND CREEKS...CAUSING THEM TO RISE MORE RAPIDLY. AN UPPER LEVEL DISTURBANCE WILL CROSS THE AREA WEDNESDAY AND WEDNESDAY NIGHT. THE THREAT OF HEAVY RAIN WILL END AS IT MOVES EAST OF THE REGION. STAY TUNED TO LOCAL MEDIA AND NOAA WEATHER RADIO FOR THE LATEST WEATHER AND HYDROLOGIC FORECASTS AND STATEMENTS. END/46
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 1:35 PM CST | Severe Thunderstorm Warning | HGX | Austin, Waller, Washington | 40 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; radar from the NEXRAD Level II archive.