Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 25, NWS Shreveport, LA

March 9, 1992Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 9, 1992, 4:37 PM CST for Cass County, Texas. It was in force for 68 min. 1 report 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: Mar 9, 1992, 4:37 PM CST (22:37 UTC)
Expired: Mar 9, 1992, 5:45 PM CST
In force: 68 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Cass County, TX

What was reported inside it

Time	Report	Where	Remark
Mar 9, 5:02 PM CST	Hail 1	Cass, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 10.6 hours before the alert went out and 84 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: 633 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 297 m²/s²
0-3 km storm-relative helicity: 349 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.7

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.

In the hours before

Local storm report, Mar 9, 2:44 PM CST, 1 hour 53 minutes before

STORM REPORTS
NATIONAL WEATHER SERVICE SHREVEPORT LA
240 PM CST MON MAR 9 1992

STORM REPORTS FOR MONDAY MARCH 9 1992

TIME CST    CNTY/PRSH  STATE  EVENT/LOCATION/DAMAGE

1230 PM     BOWIE/CASS   TX   FLOODING...SECONDARY ROADS...UNDERPASSES
                              IN TEXARKANA...NEW BOSTON AND LINDEN
100  PM     LITTLE RIVER AR   LOW AREA FLOODING NEAR FOREMAN AND INDEX
                              4.20 INCHES OF RAIN AT INDEX SINCE 7 AM
200  PM     MILLER       AR   FLOODING IN TEXARKANA ARKANSAS...SEVERAL
            HEMPSTEAD    AR   STREETS AND US 82 INTO SOUTHWEST HEMPSTEAD
                              COUNTY.
218  PM     RUSK         TX   ONE INCH HAIL AND HIGH WINDS DOWNED SEVERAL
                              TREES 5 MILES WEST OF HENDERSON TEXAS.
230  PM     GREGG        TX   ONE INCH HAIL AND HIGH WINDS NEAR EASTON
235  PM     HARRISON     TX   FUNNEL CLOUD 10 MILES SOUTHWEST OF MARSHALL
                              TEXAS...NICKLE SIZE HAIL.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 9, 2:53 PM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	97 min
Mar 9, 3:38 PM CST	Severe Thunderstorm Warning	SHV	Bossier, Webster	97 min
Mar 9, 3:38 PM CST	Severe Thunderstorm Warning	SHV	Caddo	97 min
Mar 9, 3:41 PM CST	Severe Thunderstorm Warning	SHV	East Carroll	34 min
Mar 9, 4:59 PM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	61 min
Mar 9, 5:54 PM CST	Severe Thunderstorm Warning	SHV	Webster	66 min
Mar 9, 10:40 AM CST	Flash Flood Warning	SHV	Hempstead, Little River, Miller	4 hr
Mar 9, 4:59 PM CST	Severe Thunderstorm Warning	SHV	Columbia, Nevada	61 min
Mar 9, 5:00 PM CST	Flash Flood Warning	SHV	Columbia, Lafayette, Miller	3 hr
Mar 9, 10:40 AM CST	Flash Flood Warning	SHV	Cass	4 hr
Mar 9, 2:04 PM CST	Severe Thunderstorm Warning	SHV	Gregg, Harrison, Rusk	71 min
Mar 9, 2:31 PM CST	Tornado Warning	SHV	Harrison	59 min
Mar 9, 5:00 PM CST	Flash Flood Warning	SHV	Cass	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1992 Every severe thunderstorm warning in 1992

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.