Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 153, NWS Shreveport, LA

April 26, 1997Camp County, Titus County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 26, 1997, 10:06 PM CDT for Camp County, Titus County, Texas. It was in force for 54 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: Apr 26, 1997, 10:06 PM CDT (03:06 UTC)
Expired: Apr 26, 1997, 11:00 PM CDT
In force: 54 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Camp County, TX, Titus County, TX

The radar

The Shreveport radar (KSHV), 128 km from the middle of the area, began a volume at 03:05 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
Apr 26, 10:08 PM CDT	Hail 1	Pittsburg, TX
Apr 26, 10:20 PM CDT	Hail 1	Mt Pleasant, 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

Shreveport, LA (KSHV), launched 00:00Z, 3.1 hours before the alert went out and 133 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 478 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 26, 2:45 PM CDT, 7 hours 21 minutes earlier.

Area forecast discussion, Apr 26, 2:45 PM CDT, 7 hours 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
245 PM CDT SAT APR 26 1997

MODELS IN BETTER AGREEMENT ON THIS RUN WITH THE FORECAST MOVEMENT OF
THE UPPER LOW OVER NORTHERN MEXICO. BOTH ETA AND NGM SHOW STRONG
VERTICAL MOTION OVER NORTHEAST TEXAS AND INTO SOUTHWEST ARKANSAS
THROUGH SUNDAY MORNING. WITH ABUNDANT MOISTURE AT 850 MB FEEDING INTO
THIS SYSTEM... AM CONCERNED ABOUT FLASH FLOODING OVER BOTH NORTHEAST
TEXAS AND EXTREME SOUTHWEST ARKANSAS TONIGHT.  THE ENTIRE SYSTEM
MOVES EAST SUNDAY NIGHT OVER LOUISIANA... WITH SEVERE WEATHER
POSSIBLE OVER SOUTHERN LOUISIANA AND HEAVY RAIN POSSIBLE OVER
THE NORTH PART OF THE STATE.  THE HEAVY RAIN AND SEVERE
WEATHER SHOULD CONTINUE OVER LOUISIANA INTO MONDAY.  THE EASTERN
HALF OF LOUISIANA COULD RECEIVE TORRENTIAL RAINS WITH THIS SLOW
MOVING SYSTEM LATE IN THE FORECAST PERIOD.   3

SHV 56/65/57/70 7966   MLU 59/66/59/69 6698

In the hours before

Local storm report, Apr 26, 7:04 PM CDT, 3 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT...DELAYED
NATIONAL WEATHER SERVICE OFFICE SHREVEPORT LA
704 PM CDT SAT APR 26 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0030 AM    WINNFIELD                 LA   NON TSTM WINDS
04/26/97   WINN                           NUMEROUS TREES DOWN ACROSS
                                          HWYS 126, 167, 501 AND 499
                                          ACROSS WINN PARISH.

18

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 10:02 PM CDT	Severe Thunderstorm Warning	SHV	Smith	43 min
Apr 26, 11:02 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	28 min
Apr 27, 2:03 AM CDT	Severe Thunderstorm Warning	SHV	Angelina	27 min
Apr 27, 2:50 AM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches	40 min
Apr 27, 3:25 AM CDT	Severe Thunderstorm Warning	SHV	Caldwell	65 min
Apr 27, 4:30 AM CDT	Severe Thunderstorm Warning	SHV	Jackson	45 min
Apr 27, 1:22 AM CDT	Severe Thunderstorm Warning	SHV	Miller	38 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning 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.