Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 364, NWS Shreveport, LA

October 25, 1997Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Oct 25, 1997, 3:44 PM CDT for Cass 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 counties it named.

The facts

Issued: Oct 25, 1997, 3:44 PM CDT (20:44 UTC)
Expired: Oct 25, 1997, 4:30 PM CDT
In force: 46 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Cass County, TX

The radar

The Shreveport radar (KSHV), 84 km from the middle of the area, began a volume at 20:43 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
Oct 25, 12:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.7 hours before the alert went out and 87 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: 2771 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 10.6

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 Oct 25, 3:40 PM CDT, 4 minutes earlier.

Area forecast discussion, Oct 25, 3:40 PM CDT, 4 minutes before

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In the hours before

Local storm report, Oct 25, 1:53 PM CDT, 1 hour 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
152 PM CDT SAT OCT 25 1997

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

0131 PM    ALBA                      TX   1 INCH HAIL
10/25/97   WOOD                           ALBA VOLUNTEER FIRE
                                          DEPARTMENT REPORTED 1 INCH
                                          HAIL ALONG WITH TREES ANDX
                                          POWER LINES DOWN.

10

Local storm report, Oct 25, 3:00 PM CDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
300 PM CDT SAT OCT 25 1997

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

0200 PM    4 W TYLER                 TX   1/2 INCH HAIL REPORTED
10/25/97   SMITH                          NEAR THE TYLER AIRPORT

0245 PM    6 W DAINGERFIELD          TX   1/4 INCH HAIL REPORTED
10/25/97   TITUS                          BY COOPERATIVE OBSERVER

21

Local storm report, Oct 25, 3:02 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
300 PM CDT SAT OCT 25 1997

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

0200 PM    4 W TYLER                 TX   1/2 INCH HAIL REPORTED
10/25/97   SMITH                          NEAR THE TYLER AIRPORT

0245 PM    6 W DAINGERFIELD          TX   1/4 INCH HAIL REPORTED
10/25/97   TITUS                          BY COOPERATIVE OvBSERVER

21

Local storm report, Oct 25, 3:22 PM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED AND UPDATED....
NATIONAL WEATHER SERVICE SHREVEPORT LA
322 PM CDT SAT OCT 25 1997

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

0131 PM    ALBA                      TX   1 INCH HAIL
10/25/97   WOOD                           ALBA VOLUNTEER FIRE
                                          DEPARTMENT REPORTED 1 INCH
                                          HAIL ALONG WITH TREES AND
                                          POWER LINES DOWN.

0200 PM    4 W TYLER                 TX   .5 INCH HAIL
10/25/97   SMITH

0245 PM    6 W DAINGERFIELD          TX   1 INCH HAIL
10/25/97   TITUS                          CORRECTION TO 1/4 INCH
                                          PREVIOUS SENT.

0300 PM    5 N BATTIEST              OK   .5 INCH HAIL
10/25/97   MCCURTAIN

0320 PM    WHITE OAK                 TX   1 INCH HAIL
10/25/97   GREGG

10

Local storm report, Oct 25, 3:35 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
335 PM CDT SAT OCT 25 1997

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

0330 PM    3 N LONGVIEW              TX   1.25 INCH HAIL
10/25/97   GREGG

10

Local storm report, Oct 25, 3:37 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
335 PM CDT SAT OCT 25 1997

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

0330 PM    3 N LONGVIEW              TX   1.25 INCH HAIL
10/25/97   GREGG

10

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 1:12 PM CDT	Severe Thunderstorm Warning	SHV	Wood	48 min
Oct 25, 2:33 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Morris, Titus	42 min
Oct 25, 3:02 PM CDT	Severe Thunderstorm Warning	SHV	Gregg	43 min
Oct 25, 3:20 PM CDT	Severe Thunderstorm Warning	SHV	Marion	40 min
Oct 25, 3:33 PM CDT	Severe Thunderstorm Warning	SHV	Harrison	42 min
Oct 25, 3:40 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	50 min
Oct 25, 4:16 PM CDT	Severe Thunderstorm Warning	SHV	Harrison	44 min
Oct 25, 4:27 PM CDT	Severe Thunderstorm Warning	SHV	Titus	33 min
Oct 25, 5:49 PM CDT	Severe Thunderstorm Warning	SHV	Panola	56 min
Oct 25, 4:23 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	37 min
Oct 25, 4:58 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	47 min
Oct 25, 5:27 PM CDT	Severe Thunderstorm Warning	SHV	Webster	48 min
Oct 25, 6:38 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne	52 min
Oct 25, 4:46 PM CDT	Severe Thunderstorm Warning	SHV	Lafayette	44 min
Oct 25, 5:21 PM CDT	Severe Thunderstorm Warning	SHV	Howard	54 min
Oct 25, 6:11 PM CDT	Severe Thunderstorm Warning	SHV	Union	49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.