Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 19, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 7, 2003, 1:59 AM CDT for Harrison County, Marion County, Texas. It was in force for 46 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
- May 7, 2003, 1:59 AM CDT (06:59 UTC)
- Expired
- May 7, 2003, 2:45 AM CDT
- In force
- 46 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
Counties Harrison County, TX, Marion County, TX
The radar
The Shreveport radar (KSHV), 53 km from the middle of the area, began a volume at 06:59 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 6, 11:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 7.0 hours before the alert went out and 57 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
- 2206 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
868 WFUS54 KSHV 070659 TORSHV TXC203-315-070745- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 158 AM CDT WED MAY 7 2003 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... HARRISON COUNTY IN NORTHEAST TEXAS MARION COUNTY IN NORTHEAST TEXAS * UNTIL 245 AM CDT * AT 158 AM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 5 MILES NORTHWEST OF UNCERTAIN...OR ABOUT 9 MILES EAST OF JEFFERSON...MOVING EAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... KARNACK AT 210 AM CDT UNCERTAIN AT 215 AM CDT THIS THUNDERSTORM CAN PRODUCE A TORNADO THAT IS OBSCURED BY RAIN... AND DIFFICULT TO SEE. IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING WIND CAN BE EXPECTED. GO TO A SAFE PLACE...NOW IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING...OR GET IN A DITCH OR CULVERT. REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR... HARRISON COUNTY IN NORTHEAST TEXAS MARION COUNTY IN NORTHEAST TEXAS UNTIL 245 AM CDT. LAT...LON 3288 9439 3269 9425 3266 9405 3288 9405 $$
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 11:12 PM CDT | Severe Thunderstorm Warning | SHV | Wood | 63 min |
| May 6, 11:41 PM CDT | Tornado Warning | SHV | Wood | 64 min |
| May 6, 11:53 PM CDT | Severe Thunderstorm Warning | SHV | Upshur | 52 min |
| May 7, 12:04 AM CDT | Tornado Warning | SHV | Upshur | 56 min |
| May 7, 12:59 AM CDT | Tornado Warning | SHV | Harrison, Marion | 61 min |
| May 7, 4:49 AM CDT | Flash Flood Warning | SHV | Bowie | 3 hr |
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; radar from the NEXRAD Level II archive.