Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 20, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jun 16, 2003, 5:36 PM CDT for Washington County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2003, 5:36 PM CDT (22:36 UTC)
- Expired
- Jun 16, 2003, 6:00 PM CDT
- In force
- 24 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Washington County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 10.6 hours before the alert went out and 292 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
- 1696 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
939 WFUS54 KHGX 162236 TORHOU TXC477-162300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 534 PM CDT MON JUN 16 2003 THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A * TORNADO WARNING FOR... WASHINGTON COUNTY IN SOUTHEAST TEXAS * UNTIL 600 PM CDT * AT 533 PM CDT...LAW ENFORCEMENT RELAYED A REPORT OF A TORNADO ON THE GROUND IN THE VICINITY OF CHAPPELL HILL. RADAR INDICATED THE STORM RESPONSIBLE FOR THIS WAS NEARLY STATIONARY...POSSIBLY DRIFTING SOUTH LESS THAN 5 MPH. PEOPLE IN OR NEAR CHAPPEL HILL SHOULD TAKE COVER. MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR MOBILE HOME FOR A STRONG SHELTER 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 3023 9622 3012 9621 3010 9637 3022 9631 $$
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 Jun 16, 2:45 PM CDT, 2 hours 51 minutes earlier.
Area forecast discussion, Jun 16, 2:45 PM CDT, 2 hours 51 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 245 PM CDT MON JUN 16 2003 IT LOOKS LIKE ONE MORE DAY OF RELATIVELY HIGH RAIN CHANCES ON TUESDAY BEFORE A DRYING TREND ENSUES. THE 50H TROF REMAINS OVER THE REGION PROVIDING LIFT AND A WEAK DIVERGENT UPPER LEVEL FLOW. THE KEY TO RAIN CHANCES TUESDAY AND WEDNESDAY WILL BE THE POSITIION OF THE 85H LOW. THE GFS KEEPS THIS FEATURE CLOSER TO SE TX AND PRODUCES DECENT LOW LEVEL CONVERGENCE. THE ETA WEAKENS THE 85H LOW AND SHIFTS IT FURTHER EAST. PWS CURRENTLY RESIDE IN THE 1.8 TO 1.9 RANGE AND ARE FCST TO SLOWLY FALL TO AROUND 1.5 INCHES BY THURSDAY AND CONT A SLOW FALL INTO THE WEEKEND. AS MSTR LEVELS DECREASE AND LIFT DECREASES...FEEL IT BEST TO LOWER POPS TO 20 PERCENT FOR THE REMAINDER OF THE FCST PERIOD. TEMPS WILL WARM TOWARD CLIMO AS RAIN CHANCES DECREASE. .HGX...NONE. .PRELIMS... CLL BB 069/089 069/090 070 242 IAH TB 072/088 072/090 072 252 GLS TB 077/088 077/089 078 252
Hazardous weather outlook, Jun 16, 4:08 PM CDT, 1 hour 28 minutes before
GMZ330-335-TXZ163-164-176>179-195>200-210>214-226-227-235>238-170900- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 408 PM CDT MON JUN 16 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...TONIGHT AND TUESDAY. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE ACROSS MUCH OF SOUTHEAST TEXAS AGAIN ON TUESDAY. A NEARLY STATIONARY UPPER LEVEL TROUGH OF LOW PRESSURE WILL STRETCH ACROSS EASTERN TEXAS. AS TEMPERATURES WARM INTO THE MIDDLE 80S...SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE REGION. WEAK MID-LEVEL WIND FIELDS WILL PRODUCE VERY SLOW MOVEMENT. THESE STORMS WILL LIKELY PRODUCE 1 TO 2 INCHES OF RAIN WITH ISOLATED TOTALS OF 3 TO 4 INCHES. THESE STORMS WILL DIMINISH RAPIDLY AFTER SUNSET AND REDEVELOP NEAR THE COAST JUST BEFORE SUNRISE. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 9:38 AM CDT | Special Marine Warning | HGX | 37 min | |
| Jun 16, 5:51 PM CDT | Severe Thunderstorm Warning | HGX | Austin | 39 min |
Nearby
Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003
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.