Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 12, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jan 20, 1990, 12:48 AM CST for Franklin Parish, Madison Parish, Tensas Parish, Louisiana. It was in force for 57 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
- Jan 20, 1990, 12:48 AM CST (06:48 UTC)
- Expired
- Jan 20, 1990, 1:45 AM CST
- In force
- 57 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Franklin Parish, LA, Madison Parish, LA, Tensas 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 20, 1:10 AM CST | Hail 1 | Franklin, LA | |
| Jan 20, 1:40 AM CST | Hail 1 | Madison, 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
Jackson, MS (KJAN), launched 00:00Z, 6.8 hours before the alert went out and 127 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 929 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Jan 19, 9:25 PM CST, 3 hours 23 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
920 PM CST FRI JAN 20 1990
REPORTS FOR JAUNARY 20TH....NOT ALL REPORTS.
TIME 840 CNTY/PARISH
LINCOLN CONSIDERABLE WIND DAMAGE NEAR GRAMBLING
UNIVERSITY TO TREES POWER LIWES..SEVERAL
MOBILE JOMES. ALSO WIND DAMAGE IN NORTH
WEST RUSTON TO MOBILE HOMES.
SAME STORM PRODUICED WIND DAMAGE ,IN PARTS OF RED RIVER...SABINE AND
NATCHITOCHES PARISH...HAIL UP TO ONE INCH IN DIAMETER HAS ALSO OCCURRED
WITH SOME OF THE STORMS THIS EVENING.Special weather statement, Jan 19, 11:27 PM CST, 1 hour 21 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 1125 PM CST FRI JAN 19 1990 ...TORNADO WATCH HAS EXPIRED FOR EASTERN LOUISIANA... ...A FLASH FLOOD WATCH IN EFFECT FOR NORTH LOUISIANA EXCEPT FOR THE NORTHWEST CORNER FOR TONIGHT... AT 1115 PM CST WEATHER SERVICE IN SHREVEPORT SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS..SOME PROUDCING VERY HEAVY RAINFALL THAT COVERED MUCH OF NORTH LOUISIANA..SOUTHEAST ARKANSAS.. AND SOUTHEAST TEXAS SOUTHEAST OF A LINE FROM NEAR PINE BLUFF SOUTHWEST TO NEAR EL DORADO ARKANSAS ACROSS NORTHWEST LOUISIANA TO SHREVEPORT..AND INTO SOUTHEAST TEXAS TO NEAR LUFKIN. WITHIN THE LARGE RAIN MASS THE HEAVIER THUNDERSTORMS EXTENDED FROM NEAR RAYVILLE SOUTHWEST TO NEAR COLUMBIA..AND TO NEAR DE RIDDER AND FROM NEAR FARMERVILLE SOUTHWEST TO NEAR JONESBORO AND MANY LOUISIANA. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MPH AND WILL LIKELY PRODUCE HEAVY RAINFALL..DANGEROUS LIGHTNING..AND STRONG AND GUSTY WINDS. THE HEAVY RAINFALL HAS BEEN FALLING OVER AN AREA OF SATURATED SOILS AND MAY CAUSE FLOODING OF STREETS..LOW LYING AND POOR DRAINAGE AREAS. PERSONS SHOULD TRY TO AVOID WATER COVERED AREAS.
Special weather statement, Jan 20, 12:27 AM CST, 21 minutes before
TXZ028-032-033-ARZ009-010-011-016-LAZ001-002-003- 004-005-006-200730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1225 AM CST SAT JAN 20 1990 ...A FLASH FLOOD WATCH IN EFFECT FOR NORTH LOUISIANA EXCEPT FOR THE NORTHWEST CORNER FOR TONIGHT... AT 1215 AM CST WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS..SOME PROUDCING VERY HEAVY RAINS..OVER SOUTHEAST ARKANSAS..WESTERN MISSISSIPPI..MUCH OF NORTH AND CENTRAL LOUISISANA AND SOUTHEAST TEXAS. THE RAIN WAS GENERALLY SOUTHEAST OF A LINE FROM NEAR PINE BLUFF SOUTHWEST TO EL DORADO ARKANSAS ACROSS NORTHWEST LOUISIANA TO NEAR ARCADIA AND MANSFIELD AND INTO SOUTHEAST TEXAS TO NEAR HOUSTON. WITHIN THE LARGE RAIN MASS THE HEAVIER THUNDERSTORMS..WHICH WERE PRODUCING TORRENTIAL RAINS..WERE INDICATED FROM NEAR MONROE SOUTH TO COLUMBIA AND JENA LOUISIANA. MOVEMENT WAS TO THE NORTHEAST AT 40 MPH. THE STRONGER STORMS WERE PRODUCING STRONG AND GUSTY WINDS..FREQUENT LIGHTNING.. AND VERY HEAVY RAINFALL. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT..FOR THE NEXT COUPLE OF HOURS OVER NORTHEAST LOUISIANA ESPECIALLY FROM MONROE AND COLUMBIA EAST. FLOODING THREAT REMAINS HIGH OVER NORTHERN LOUISIANA UNTIL THE STORMS MOVE EAST OUT OF THE STATE.
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 | Jackson, Natchitoches, Winn | 101 min |
| Jan 19, 9:19 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, Ouachita | 101 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.