Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 9, 1992, 2:53 PM CST for Bossier Parish, Caddo Parish, Louisiana. It was in force for 97 min. 6 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
- Mar 9, 1992, 2:53 PM CST (20:53 UTC)
- Expired
- Mar 9, 1992, 4:30 PM CST
- In force
- 97 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bossier Parish, LA, Caddo Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 9, 3:20 PM CST | Hail 0.88 | Caddo, LA | |
| Mar 9, 3:32 PM CST | Hail 1.75 | Bossier, LA | |
| Mar 9, 3:32 PM CST | Hail 1.75 | Caddo, LA | |
| Mar 9, 3:51 PM CST | Hail 2 | Bossier, LA | |
| Mar 9, 4:10 PM CST | Hail 1.75 | Bossier, LA | |
| Mar 9, 4:40 PM CST | Hail 0.88 | Caddo, LA |
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, 8.9 hours before the alert went out and 86 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 092055 SVRSHV LAC015-017-092230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 253 PM CST MON MAR 9 1992 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS.. IN NORTHWEST LOUISIANA ...THE NORTHERN TWO THIRDS OF CADDO PARISH AND NORTHERN BOSSIER PARISH... AT 245 PM NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A SEVERE THUNDERSTORM 25 MILES SW OF DIXIE AND OIL CITY LOUISIANA. THE STORM WAS MOVING EAST NORTHEAST AT 45 MILES PER HOUR AND HAS PREVIOUSLY PRODUCED DAMAGING WINDS...LARGE HAIL...AND ONE TORNADO WHICH TOUCHED DOWN EARLIER IN HARRISON COUNTY TEXAS. THIS STORM IS STILL CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL...AND A TORNADO AS IT MOVES EAST NORTHEASTWARD INTO THE NORTHWESTERN PORTION OF LOUISIANA. THIS STORM IS PART OF A BAND OF THUNDERSTORMS THAT WERE LOCATED AT 245 PM FROM ARKADELPHIA ARKANSAS...NEAR HOPE...ON TO THE NORTHWEST CORNER OF LOUISIANA...ON TO HENDERSON TEXAS. THE SYSTEM IS NOW MOVING EASTWARD AT 30 TO 35 MILES PER HOUR. A TORNADO WATCH REMAINS IN EFFECT AHEAD OF TCHE BAND AND ISOLATED SEVERE STORMS WILL DEVELOP OVER NORTHERN LOUISIANA AND SOUTHERN ARKANSAS THIS EVENING. ALONG WITH THE THREAT OF SEVERE STORMS IS THE THREAT OF FLOODING.
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
Special weather statement, Mar 9, 10:10 AM CST, 4 hours 43 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001- 002-003-004-005-006-091700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1005 AM CST MON MAR 9 1992 TORNADO WATCH IN EFFECT FOR MUCH OF NORTHEAST TEXAS...AND THE THREAT OF SEVERE STORMS AND FLOOD PRODUCING RAINFALL EXISTS FOR MUCH OF THE ARKLATEX BEFORE THE DAY IS OVER. PERSONS IN THE ARKLATEX ARE ADVISED TO REMAIN ALERT FOR RAPIDLY CHANG- ING WEATHER CONDITIONS ESPECIALLY AFTER MID MORNING OVER THE WESTERN SECTIONS AND OVER THE EASTERN SECTIONS THIS AFTERNOON AND EVENING. ALTHOUGH NO SEVERE STORMS WERE INDICATED OVER THE IMMEDIATE ARKLATEX AT 1000 AM CST..WIDESPREAD RAIN AND SHOWERS ALONG WITH ISOLATED THUNDER- STORMS CONTINUED OVER THE NORTHWEST HALF. RAINFALL OF ONE TO OVER TWO INCHES OCCURRED OVERNIGHT AND EARLY THIS MORNING OVER PARTS OF SOUTHWEST ARKANSAS...EXTREME NORTHEAST TEXAS AND EXTREME NORTHWEST LOUISIANA AND HEAVY RAINFALL CONTINUED TO FALL OVER SOUTHERN ARKANSAS JUST NORTH OF THE LOUISIANA BORDER. ALSO HEAVY RAINFALL WAS OCCURRING OVER NORTHEAST TEXAS AND THE ADJACENT AREA OF SOUTHWEST ARKANSAS FROM ASHDOWN AND TEXARKANA ARKANSAS AND DEKALB TEXAS SOUTHWEST THROUGH MOUNT PLEASANT TO NEAR WACO TEXAS. FLASH FLOOD WARNINGS WERE IN EFFECT FOR SOME OF THE COUNTIES IN THE MIDDLE SULPHUR RIVER BASIN AND FLASH FLOOD WARNIGS MAY BE REQUIRED FOR BOWIE AND CASS COUNTIES IN NORTHEAST TEXAS AND LITTLE RIVER..HEMPSTEAD..AND MILLER COUNTIES IN SOUTHWEST ARKANSAS. AT 1000 AM CST THE NATIONAL WEATHER SERVICE RARAR IN SHREVEPORT SHOWED A 70 MILE WIDE AREA OF RAIN...SHOWERS AND ISOLATED THUNDERSTORMS NORTH OF A LINE FROM LAKE PROVIDENCE LOUISIANA WEST ALONG THE LOUISIANA/ARKANSAS BORDER TO NEAR CADDO LAKE IN NORTHWEST LOUISIANA AND TO NEAR TYLER AND WACO TEXAS. STRONG THUNDERSTORMS WERE IN A BAND JUST NORTH OF THE LOUISIANA/ARKANSAS BORDER AND FROM ASHDOWN ARKANSAS SOUTHWEST ACROSS NEW BOSTON..MT PLEASANT AND TO NEAR WACO TEXAS. THE SYSTEM WAS MOVING VERY LITTLE WITH SHOWERS AND THUNDERSTORMS DEVELOPING AND MOVING OVER THE SAME GENERAL AREA. AN UPPER LEVEL DISTURBANCE OVER SOUTHWEST TEXAS WILL MOVE EAST ACROSS THE AREA BY MID MORNING AND STORMS OVER THE WESTE"RN SECTIONS OF THE AREA WILL INCREASE RAPIDLY AND MAY REACH SEVERE INTENSITY AND SPREAD EAST AND NORTHEAST. FLOODING WILL LIKELY DEVELOP WITH THESE THUNDERSTORMS IN LOW AREAS AS CREEKS ARE RUNNING HIGH AND THE GROUND NEAR SATURATION.
Local storm report, Mar 9, 2:44 PM CST, 9 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, 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 |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1992Every 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.