Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 10, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jan 19, 1990, 9:19 PM CST for Jackson Parish, Natchitoches Parish, Winn Parish, Louisiana. It was in force for 101 min. 3 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
- Jan 19, 1990, 9:19 PM CST (03:19 UTC)
- Expired
- Jan 19, 1990, 11:00 PM CST
- In force
- 101 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Jackson Parish, LA, Natchitoches Parish, LA, Winn Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 19, 9:30 PM CST | Thunderstorm Wind 52 | Natchitoches, LA | |
| Jan 19, 10:05 PM CST | Hail 0.88 | Winn, LA | |
| Jan 19, 10:15 PM CST | Hail 0.88 | Jackson, 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.3 hours before the alert went out and 212 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
- 962 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.8
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
Special weather statement, Jan 19, 4:33 PM CST, 4 hours 46 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-192300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 430 PM CST FRI JAN 19 1990 ...TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHEAST TEXAS AND A SMALL PART OF SOUTHWEST ARKANSAS AND EXTREME NORTHWEST LOUISIANA... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE EXTREME EAST SECTION OF NORTHEAST TEXAS AND FOR MOST OF NORTHWEST LOUISIANA... AT 425 PM CST WEATHER SERVICE IN SHREVEPORT SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS..SOME PROUDCING VERY HEAVY RAINFALL..AND THAT HAVE PRODUCED DAMAGE NEAR LUFKIN TEXAS.. THE SHOWERS AND THUNDERSTORMS THAT PRODUCED THE DAMAGE HAVE BEEN MOVING TO THE NORTHEAST AT 35 MPH AND SHOULD BE ENTERING SHELBY COUNTY IN EAST TEXAS BY 500 PM. AT 422 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A BAND OF SHOWERS AND THUNDERSTORMS ABOUT 15 TO 25 MILES WIDE THAT EXTENDED FROM NEAR GLENWOOD ARKANSAS SOUTHWEST TO NEAR DEKALB..LONGVIEW..AND JACKSONVILLE TEXAS. THIS BAND WAS MOVING TO THE EAST AT 30 MPH. AHEAD OF THIS BAND..ANOTHER AREA OF SHOWERS AND THUNDERSTORMS..ABOUT 50 MILES WIDE EXTENDED FROM NEAR ATLANTA TEXAS AND SPRINGHILL LOUISIANA SOUTHWEST ACROSS NORTHWEST LOUISIANA AND EAST TEXAS TO NEAR LUFKIN TEXAS AND LAKE CHARLES LOUISIANA. THIS SECOND AREA WAS MOVING TO THE EAST AT 30 MPH. WITHIN THE BAND AND AREA THE THUNDERSTORMS WERE SPREADING NORTHEAST AT 35 TO 40 MPH. AS THE SHOWERS AND THUNDERSTORMS MOVE EAST AND NORTHEAST DURING THE NEXT COUPLE OF HOURS..LOCALLY HIGH AND POSSIBLY DAMANGING WINDS.. LARGE HAIL..AND POSSIBLE TORNADOES MAY OCCUR. ALONG WITH THE HEAVIER STORMS LOCALLY HEAVY RAINFALL MAY ALSO OCCUR AND CAUSE FLOODING STREETS..LOW LYING AND POOR DRAINAGE AREAS.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 6:25 PM CST | Severe Thunderstorm Warning | SHV | Sabine | 65 min |
| Jan 19, 7:36 PM CST | Severe Thunderstorm Warning | SHV | Bienville, Red River | 69 min |
| Jan 19, 7:45 PM CST | Severe Thunderstorm Warning | SHV | Sabine | 90 min |
| Jan 19, 8:04 PM CST | Severe Thunderstorm Warning | SHV | Lincoln, Union | 86 min |
| Jan 19, 8:04 PM CST | Severe Thunderstorm Warning | SHV | Natchitoches | 86 min |
| Jan 19, 9:19 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, Ouachita | 101 min |
| Jan 20, 12:48 AM CST | Severe Thunderstorm Warning | SHV | Franklin, Madison, Tensas | 57 min |
| Jan 20, 2:40 AM CST | Flash Flood Warning | SHV | Morehouse, Ouachita, Richland | 4 hr |
| Jan 20, 2:40 AM CST | Flash Flood Warning | SHV | Caldwell, Jackson, Winn | 4 hr |
| Jan 20, 2:40 AM CST | Flash Flood Warning | SHV | Natchitoches, Sabine | 4 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990
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.