Alert archive / Texas / Tornado Warnings in 2002
Tornado Warning 5, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Mar 30, 2002, 7:56 PM CST for San Augustine County, Texas. It was in force for 49 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 30, 2002, 7:56 PM CST (01:56 UTC)
- Expired
- Mar 30, 2002, 8:45 PM CST
- In force
- 49 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
County San Augustine County, TX
The radar
The Shreveport radar (KSHV), 118 km from the middle of the area, began a volume at 01:56 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 30, 8:00 PM CST | Tornado F2 | San Augustine, TX | Numerous trees snapped and felled along the extreme western portion of the track. A few power lines were also toppled northeast of Townsend. This tornado moved into San Augustine County, TX from Nacogdoches County, TX, Angelina County, TX and Polk County, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 30, 5:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.9 hours before the alert went out and 125 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
- 7 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 454 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 370 m²/s²
- 0-3 km storm-relative helicity
- 459 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
182 WFUS54 KSHV 310156 TORSHV TXC405-310245- /NEW.KSHV.TO.W.0011.310155-310245/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 755 PM CST SAT MAR 30 2002 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... SAN AUGUSTINE COUNTY IN EASTERN TEXAS * UNTIL 845 PM CST * AT 755 PM CST...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 19 MILES SOUTHWEST OF SAN AUGUSTINE...OR ABOUT 21 MILES EAST OF LUFKIN...MOVING NORTHEAST AT 20 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SAN AUGUSTINE BETWEEN 815 AND 830 PM CST REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR... SAN AUGUSTINE COUNTY IN EASTERN TEXAS UNTIL 845 PM CST. LAT...LON 3142 9435 3130 9431 3150 9403 3159 9425
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 6:10 PM CST | Tornado Warning | SHV | Nacogdoches | 35 min |
| Mar 30, 6:23 PM CST | Severe Thunderstorm Warning | SHV | Panola | 37 min |
| Mar 30, 6:55 PM CST | Severe Thunderstorm Warning | SHV | Shelby | 50 min |
| Mar 30, 6:56 PM CST | Severe Thunderstorm Warning | SHV | Angelina | 64 min |
| Mar 30, 7:10 PM CST | Severe Thunderstorm Warning | SHV | Harrison | 65 min |
| Mar 30, 7:47 PM CST | Tornado Warning | SHV | Nacogdoches | 43 min |
| Mar 30, 7:48 PM CST | Tornado Warning | SHV | Angelina | 27 min |
| Mar 30, 8:20 PM CST | Tornado Warning | SHV | Shelby | 55 min |
| Mar 31, 12:21 AM CST | Severe Thunderstorm Warning | SHV | Rusk | 54 min |
| Mar 31, 12:55 AM CST | Severe Thunderstorm Warning | SHV | Panola | 50 min |
| Mar 31, 3:20 AM CST | Severe Thunderstorm Warning | SHV | Angelina | 55 min |
| Mar 31, 3:53 AM CST | Severe Thunderstorm Warning | SHV | Nacogdoches | 52 min |
| Mar 31, 3:55 AM CST | Severe Thunderstorm Warning | SHV | Shelby | 65 min |
| Mar 31, 4:17 AM CST | Severe Thunderstorm Warning | SHV | San Augustine | 58 min |
| Mar 31, 4:31 AM CST | Severe Thunderstorm Warning | SHV | Sabine | 59 min |
Nearby
Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes in 2002
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.