Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Shreveport, LA

January 26, 1994Madison Parish, Tensas Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jan 26, 1994, 11:48 PM CST for Madison Parish, Tensas Parish, Louisiana. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jan 26, 1994, 11:48 PM CST (05:48 UTC)
Expired
Jan 27, 1994, 12:30 AM CST
In force
42 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Madison Parish, LA, Tensas Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.8 hours before the alert went out and 115 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 1994-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 276 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1994-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
276 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KSHV 270548 RRA
SVRSHV
LAC065-107-270630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1148 PM CST WED JAN 26 1994
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...SOUTHERN MADISON PARISH...TENSAS PARISH
 
AT 1144 PM CST WEATHER SERVICE RADARS IN SHREVEPORT AND JACKSON
INDICATED A SEVERE THUNDERSTORM OVER NORTHEAST LOUISIANA NEAR
THE INTERSECTION OF SOUTHERN MADISON AND NORTHERN TENSAS PARISHES
EAST OF WINNSBORO ABOUT 15 MILES.  THE STORM HAD INCREASED IN
FORWARD SPEED AND WILL CAUSE HIGH AND DAMAGING WINDS. MOVEMENT
WAS NEAR 55 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 26, 6:45 PM CST, 5 hours 3 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153-
166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-270300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
645 PM CST WED JAN 26 1994

...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE ARKLATEX REGION...

AT 640 PM...THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED
TO INDICATE WIDESPREAD SHOWERS AND THUNDERSTORMS OVER THE ARKLATEX
REGION.  THE LEADING EDGE OF THE RAINFALL AREA EXTENDED FROM EL DORADO
ARKANSAS TO DUBACH...CHATHAM...CYPRESS AND FLORIEN LOUISIANA.

STRONGER THUNDERSTORMS WERE INDICATED 10 MILES WEST OF TEXARKANA...
NEAR OIL CITY AND NEAR LOGANSPORT LOUISIANA AND NEAR TIMPSON TEXAS.
THESE STRONG THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...FREQUENT
DEADLY LIGHTNING AND SMALL HAIL.  RAINFALL OF NEAR 1 INCH IN ONE HOURS
TIME WAS REPORTED AT NASH ARKANSAS.  ALSO ELECTRIC POWER WAS KNOCKED
OUT NEAR HOOKS TEXAS.
.
ALSO A VERY STRONG THUNDERSTORM WAS INDICATED OVER THE EAST END OF
LAKE O THE PINES IN NORTHEAST TEXAS.  THIS STORM WAS LIKELY PRODUCING
SMALL HAIL UP TO 1/2 INCH IN DIAMETER AND STRONG GUSTY WINDS UP TO 50
MILES AN HOUR AS WELL AS VERY HEAVY RAINFALL.

THE OVERALL SPEED OF THE RAINFALL SYSTEM HAS SLOWED ITS FORWARD
SPEED TO THE SOUTHEAST AT NEAR 5 MPH WHILE INDIVIDUAL THUNDER-
STORM CELLS WERE MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR.

HEAVY RAINS CONTINUE OVER PARTS OF SOUTHWEST ARKANSAS THIS EVENING.
THIS IS ON TOP OF RAINFALL OF 2 TO 4 INCHES RECEIVED DURING TUESDAY
NIGHT AND DURING THE WEE HOURS OF WEDNESDAY MORNING.  FLOODING OF
SMALL STREAMS WILL VERY LIKELY DEVELOP THIS EVENING IN LOW LYING
AREAS.  SECONDARY ROADWAYS WILL LIKELY EXPERIENCE SOME OVERFLOW
TONIGHT IN SOUTHWEST ARKANSAS.

ALSO THE RAINFALL IS LIKELY TO CONTINUE THROUGHOUT THE NIGHT TIME HOURS
AND FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED FOR PARTS OF SOUTHWEST
ARKANSAS LATE TONIGHT IF THE RAINS DO NOT END.  ALSO SMALL RIVERS THAT
HEADWATER IN THE OUACHITA MOUNTAINS IN SOUTHWEST ARKANSAS SUCH AS THE
MOUNTAIN FORK...THE COSSATOT AND THE SALINE WILL SEE VERY SIGINIFICANT
RISES IN STAGE TONIGHT.  ALSO A VERY STEEP RISE CAN BE EXPECTED ON THE
LITTLE RIVER IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS.
.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST HALF
OF THE ARKLATEX REGION UNTIL 1100 PM.
Special weather statement, Jan 26, 7:03 PM CST, 4 hours 45 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153-
166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-270300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
645 PM CST WED JAN 26 1994

...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE ARKLATEX REGION...

AT 640 PM...THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED
TO INDICATE WIDESPREAD SHOWERS AND THUNDERSTORMS OVER THE ARKLATEX
REGION.  THE LEADING EDGE OF THE RAINFALL AREA EXTENDED FROM EL DORADO
ARKANSAS TO DUBACH...CHATHAM...CYPRESS AND FLORIEN LOUISIANA.

STRONGER THUNDERSTORMS WERE INDICATED 10 MILES WEST OF TEXARKANA...
NEAR OIL CITY AND NEAR LOGANSPORT LOUISIANA AND NEAR TIMPSON TEXAS.
THESE STRONG THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...FREQUENT
DEADLY LIGHTNING AND SMALL HAIL.  RAINFALL OF NEAR 1 INCH IN ONE HOURS
TIME WAS REPORTED AT NASH ARKANSAS.  ALSO ELECTRIC POWER WAS KNOCKED
OUT NEAR HOOKS TEXAS.
.
ALSO A VERY STRONG THUNDERSTORM WAS INDICATED 10 MILES NORTH OF
LONGVIEW TEXAS.  THIS THUNDERSTORM IS LIKELY NEAR SEVERE LIMITS AND IS
PRODUCING WINDS UP TO 50 MILES AN HOUR AND HAIL UP TO 1/2 INCH IN
DIAMETER.

THE OVERALL SPEED OF THE RAINFALL SYSTEM HAS SLOWED ITS
FORWARD SPEED TO THE SOUTHEAST AT NEAR 5 MPH WHILE INDIVIDUAL THUNDER-
STORM CELLS WERE MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR.

HEAVY RAINS CONTINUE OVER PARTS OF SOUTHWEST ARKANSAS THIS EVENING.
THIS IS ON TOP OF RAINFALL OF 2 TO 4 INCHES RECEIVED DURING TUESDAY
NIGHT AND DURING THE WEE HOURS OF WEDNESDAY MORNING.  FLOODING OF
SMALL STREAMS WILL VERY LIKELY DEVELOP THIS EVENING IN LOW LYING
AREAS.  SECONDARY ROADWAYS WILL LIKELY EXPERIENCE SOME OVERFLOW
TONIGHT IN SOUTHWEST ARKANSAS.

ALSO THE RAINFALL IS LIKELY TO CONTINUE THROUGHOUT THE NIGHT TIME HOURS
AND FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED FOR PARTS OF SOUTHWEST
ARKANSAS LATE TONIGHT IF THE RAINS DO NOT END.  ALSO SMALL RIVERS THAT
HEADWATER IN THE OUACHITA MOUNTAINS IN SOUTHWEST ARKANSAS SUCH AS THE
MOUNTAIN FORK...THE COSSATOT AND THE SALINE WILL SEE VERY SIGINIFICANT
RISES IN STAGE TONIGHT.  ALSO A VERY STEEP RISE CAN BE EXPECTED ON THE
LITTLE RIVER IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS.
Special weather statement, Jan 26, 7:08 PM CST, 4 hours 40 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153-
166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-270300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
645 PM CST WED JAN 26 1994

...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE ARKLATEX REGION...

AT 640 PM...THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED
TO INDICATE WIDESPREAD SHOWERS AND THUNDERSTORMS OVER THE ARKLATEX
REGION.  THE LEADING EDGE OF THE RAINFALL AREA EXTENDED FROM EL DORADO
ARKANSAS TO DUBACH...CHATHAM...CYPRESS AND FLORIEN LOUISIANA.

STRONGER THUNDERSTORMS WERE INDICATED 10 MILES WEST OF TEXARKANA...
NEAR OIL CITY AND NEAR LOGANSPORT LOUISIANA AND NEAR TIMPSON TEXAS.
THESE STRONG THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...FREQUENT
DEADLY LIGHTNING AND SMALL HAIL.  RAINFALL OF NEAR 1 INCH IN ONE HOURS
TIME WAS REPORTED AT NASH ARKANSAS.  ALSO ELECTRIC POWER WAS KNOCKED
OUT NEAR HOOKS TEXAS.
.
ALSO A VERY STRONG THUNDERSTORM WAS INDICATED 10 MILES NORTH OF
LONGVIEW TEXAS.  THIS THUNDERSTORM IS LIKELY NEAR SEVERE LIMITS AND IS
PRODUCING WINDS UP TO 50 MILES AN HOUR AND HAIL UP TO 1/2 INCH IN
DIAMETER.

THE OVERALL SPEED OF THE RAINFALL SYSTEM HAS SLOWED ITS
FORWARD SPEED TO THE SOUTHEAST AT NEAR 5 MPH WHILE INDIVIDUAL THUNDER-
STORM CELLS WERE MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR.

HEAVY RAINS CONTINUE OVER PARTS OF SOUTHWEST ARKANSAS THIS EVENING.
THIS IS ON TOP OF RAINFALL OF 2 TO 4 INCHES RECEIVED DURING TUESDAY
NIGHT AND DURING THE WEE HOURS OF WEDNESDAY MORNING.  FLOODING OF
SMALL STREAMS WILL VERY LIKELY DEVELOP THIS EVENING IN LOW LYING
AREAS.  SECONDARY ROADWAYS WILL LIKELY EXPERIENCE SOME OVERFLOW
TONIGHT IN SOUTHWEST ARKANSAS.

ALSO THE RAINFALL IS LIKELY TO CONTINUE THROUGHOUT THE NIGHT TIME HOURS
AND FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED FOR PARTS OF SOUTHWEST
ARKANSAS LATE TONIGHT IF THE RAINS DO NOT END.  ALSO SMALL RIVERS THAT
HEADWATER IN THE OUACHITA MOUNTAINS IN SOUTHWEST ARKANSAS SUCH AS THE
MOUNTAIN FORK...THE COSSATOT AND THE SALINE WILL SEE VERY SIGINIFICANT
RISES IN STAGE TONIGHT.  ALSO A VERY STEEP RISE CAN BE EXPECTED ON THE
LITTLE RIVER IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS.
.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST HALF
OF THE ARKLATEX REGION UNTIL 1100 PM.
Special weather statement, Jan 26, 7:22 PM CST, 4 hours 26 minutes before
OKZ076-077-049-053-TXZ095-097-TXZ106>112-TXZ124>126-136>138-149>153-
166-167-ARZ050>053-ARZ059>061-ARZ066-ARZ070>073-LAZ001>027-270300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
645 PM CST WED JAN 26 1994

...SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE ARKLATEX REGION...

AT 640 PM...THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED
TO INDICATE WIDESPREAD SHOWERS AND THUNDERSTORMS OVER THE ARKLATEX
REGION.  THE LEADING EDGE OF THE RAINFALL AREA EXTENDED FROM EL DORADO
ARKANSAS TO DUBACH...CHATHAM...CYPRESS AND FLORIEN LOUISIANA.

STRONGER THUNDERSTORMS WERE INDICATED 10 MILES WEST OF TEXARKANA...
NEAR OIL CITY AND NEAR LOGANSPORT LOUISIANA AND NEAR TIMPSON TEXAS.
THESE STRONG THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN...FREQUENT
DEADLY LIGHTNING AND SMALL HAIL.  RAINFALL OF NEAR 1 INCH IN ONE HOURS
TIME WAS REPORTED AT NASH ARKANSAS.  ALSO ELECTRIC POWER WAS KNOCKED
OUT NEAR HOOKS TEXAS.
.
ALSO A VERY STRONG THUNDERSTORM WAS INDICATED OVER THE EAST END OF
LAKE O THE PINES IN NORTHEAST TEXAS.  THIS STORM WAS LIKELY PRODUCING
SMALL HAIL UP TO 1/2 INCH IN DIAMETER AND STRONG GUSTY WINDS UP TO 50
MILES AN HOUR AS WELL AS VERY HEAVY RAINFALL.

THE OVERALL SPEED OF THE RAINFALL SYSTEM HAS SLOWED ITS FORWARD
SPEED TO THE SOUTHEAST AT NEAR 5 MPH WHILE INDIVIDUAL THUNDER-
STORM CELLS WERE MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR.

HEAVY RAINS CONTINUE OVER PARTS OF SOUTHWEST ARKANSAS THIS EVENING.
THIS IS ON TOP OF RAINFALL OF 2 TO 4 INCHES RECEIVED DURING TUESDAY
NIGHT AND DURING THE WEE HOURS OF WEDNESDAY MORNING.  FLOODING OF
SMALL STREAMS WILL VERY LIKELY DEVELOP THIS EVENING IN LOW LYING
AREAS.  SECONDARY ROADWAYS WILL LIKELY EXPERIENCE SOME OVERFLOW
TONIGHT IN SOUTHWEST ARKANSAS.

ALSO THE RAINFALL IS LIKELY TO CONTINUE THROUGHOUT THE NIGHT TIME HOURS
AND FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED FOR PARTS OF SOUTHWEST
ARKANSAS LATE TONIGHT IF THE RAINS DO NOT END.  ALSO SMALL RIVERS THAT
HEADWATER IN THE OUACHITA MOUNTAINS IN SOUTHWEST ARKANSAS SUCH AS THE
MOUNTAIN FORK...THE COSSATOT AND THE SALINE WILL SEE VERY SIGINIFICANT
RISES IN STAGE TONIGHT.  ALSO A VERY STEEP RISE CAN BE EXPECTED ON THE
LITTLE RIVER IN SOUTHEAST OKLAHOMA AND SOUTHWEST ARKANSAS.
.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE NORTHWEST HALF
OF THE ARKLATEX REGION UNTIL 1100 PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 8:26 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo64 min
Jan 26, 8:26 PM CSTSevere Thunderstorm WarningSHVDe Soto64 min
Jan 26, 9:01 PM CSTSevere Thunderstorm WarningSHVBienville, Webster59 min
Jan 26, 9:01 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Red River59 min
Jan 26, 9:23 PM CSTSevere Thunderstorm WarningSHVJackson, Winn67 min
Jan 26, 10:00 PM CSTSevere Thunderstorm WarningSHVCaldwell, Ouachita75 min
Jan 26, 10:00 PM CSTSevere Thunderstorm WarningSHVLincoln75 min
Jan 26, 11:06 PM CSTSevere Thunderstorm WarningSHVCaldwell, Franklin, Richland69 min
Jan 26, 11:06 PM CSTSevere Thunderstorm WarningSHVClaiborne69 min
Jan 27, 2:48 PM CSTSevere Thunderstorm WarningSHVTensas42 min
Jan 27, 4:03 PM CSTFlash Flood WarningSHVFranklin, Madison, Tensas5 hr
Jan 27, 4:03 PM CSTFlash Flood WarningSHVCaldwell, Natchitoches, Winn5 hr
Jan 27, 4:03 PM CSTFlash Flood WarningSHVSabine5 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1994Every severe thunderstorm warning in 1994

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.