Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 22, NWS Shreveport, LA

May 27, 1997Angelina County, Texas

NWS Shreveport, LA issued this tornado warning at May 27, 1997, 10:44 PM CDT for Angelina County, Texas. It was in force for 46 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 27, 1997, 10:44 PM CDT (03:44 UTC)
Expired: May 27, 1997, 11:30 PM CDT
In force: 46 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Angelina County, TX

The radar

The Shreveport radar (KSHV), 152 km from the middle of the area, began a volume at 03:45 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
May 27, 11:05 PM CDT	Hail 0.75	Lufkin, TX
May 27, 11:25 PM CDT	Hail 2.75	Lufkin, 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
May 27, 7:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.7 hours before the alert went out and 185 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3458 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 843 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSHV 280344 RRA
TORSHV
TXC005-280430-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1044 PM CDT TUE MAY 27 1997
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR THE FOLLOWING AREA...
 
IN EAST TEXAS
 
   ...ANGELINA COUNTY
 
AT 1042 PM DOPPLER WEATHER RADAR IN SHREVEPORT INDICATED A POSSIBLE
TORNADO 5 MILES NORTHWEST OF LUFKIN. THIS STORM WAS MOVING TO THE
SOUTHEAST NEAR 15 MPH.
 
LARGE HAIL IS ALSO EXPECTED WITH THIS STORM.
 
IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO AN INTERIOR HALLWAY
...CLOSET...OR BATHROOM ON THE LOWEST FLOOR. AVOID WINDOWS.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 7:09 PM CDT	Flash Flood Warning	SHV	Harrison, Panola	4 hr
May 27, 7:37 PM CDT	Severe Thunderstorm Warning	SHV	Panola	38 min
May 27, 8:44 PM CDT	Severe Thunderstorm Warning	SHV	Panola	61 min
May 27, 10:31 PM CDT	Severe Thunderstorm Warning	SHV	Angelina	59 min
May 27, 11:33 PM CDT	Tornado Warning	SHV	Angelina	27 min

Nearby

Tornado Warnings in Texas, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.