Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 211, NWS Shreveport, LA

June 25, 1990Natchitoches Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 25, 1990, 6:40 PM CDT for Natchitoches Parish, Louisiana. It was in force for 65 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
Jun 25, 1990, 6:40 PM CDT (23:40 UTC)
Expired
Jun 25, 1990, 7:45 PM CDT
In force
65 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Natchitoches 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

TimeReportWhereRemark
Jun 25, 6:50 PM CDTThunderstorm Wind 0Natchitoches, 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, 11.7 hours before the alert went out and 158 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, Longview/Gregg, TX at 12:00Z on 1990-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 867 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, Longview/Gregg, TX at 12:00Z on 1990-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
867 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1124 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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

Special weather statement, Jun 25, 1:50 PM CDT, 4 hours 50 minutes before
OKZ026-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-002-
003-004-005-006-252000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
148 PM CDT MON JUN 25 1990

SHOWERS AND STRONG THUNDERSTORMS CONTINUE OVER NORTHERN LOUISIANA.

AT 145 PM SHREVEPORT WEATHER RADAR SHOWED A STRONG THUNDERSTORM
ALONG THE JACKSON-OUACHITA PARISH LINE BETWEEN MONROE AND JONESBORO.
ANOTHER STRONG THUNDERSTORM WAS LOCATED ON THE WINN-CALDWELL PARISH
LINE WEST OF COLUMBIA.  MOVEMENT WAS TO THE EASTSOUTHEAST NEAR 20 MPH.
THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINFALL...FREQUENT
LIGHTNING...STRONG GUSTY WINDS AND HAIL OVER PORTIONS OF EASTERN
JACKSON...OUACHITA AND CALDWELL PARISHES DURING THE NEXT HOUR OR SO.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED FROM NEAR DEQUEEN ARKANSAS
SOUTHWESTWARD TO JUST SOUTH OF MT. PLEASANT TEXAS.  ISOLATED SHOWERS
WERE ALSO INDICATED ALONG THE ARKANSAS-LOUISIANA LINE SOUTHWEST OF
MAGNOLIA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:48 AM CDTSevere Thunderstorm WarningSHVSabine57 min
Jun 25, 2:16 PM CDTSevere Thunderstorm WarningSHVLincoln, Ouachita, Union59 min
Jun 25, 3:14 PM CDTSevere Thunderstorm WarningSHVUnion61 min
Jun 25, 3:54 PM CDTSevere Thunderstorm WarningSHVBienville, Claiborne, Lincoln106 min
Jun 25, 3:54 PM CDTSevere Thunderstorm WarningSHVWebster106 min
Jun 25, 4:49 PM CDTSevere Thunderstorm WarningSHVSabine101 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo99 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVUnion99 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVWebster80 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVBowie80 min
Jun 25, 6:23 PM CDTSevere Thunderstorm WarningSHVCass97 min
Jun 25, 6:23 PM CDTSevere Thunderstorm WarningSHVHarrison, Marion97 min
Jun 25, 3:06 PM CDTSevere Thunderstorm WarningSHVColumbia, Nevada54 min
Jun 25, 4:49 PM CDTSevere Thunderstorm WarningSHVHempstead, Lafayette101 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Sevier99 min
Jun 25, 5:31 PM CDTSevere Thunderstorm WarningSHVColumbia, Nevada99 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningSHVPike80 min
Jun 25, 5:58 PM CDTTornado WarningSHVPike72 min

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.