Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 147, NWS Shreveport, LA

May 18, 1995Caddo Parish, De Soto Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at May 18, 1995, 5:16 AM CDT for Caddo Parish, De Soto Parish, Louisiana. It was in force for 59 min.

The area

The counties it named.

The facts

Issued: May 18, 1995, 5:16 AM CDT (10:16 UTC)
Expired: May 18, 1995, 6:15 AM CDT
In force: 59 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Caddo Parish, LA, De Soto Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 10.3 hours before the alert went out and 19 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1714 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 923 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 198 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 9.8

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, May 17, 11:49 PM CDT, 5 hours 27 minutes before

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Special weather statement, May 18, 4:09 AM CDT, 1 hour 7 minutes before

TXZ137-138-150-151-153-165-152-166-167-181015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
409 AM CDT THU MAY 18 1995

...SEVERE THUNDERSTORM WATCH FOR EASTERN TEXAS INCLUDING ANGELINA...SAN
AUGUSTINE...AND NACOGDOCHES COUNTIES...

AT 405 AM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 65
MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING SOUTHEAST OF A
LINE FROM CENTERVILLE TO RUSK TEXAS.  THE STRONGEST THUNDERSTORMS ARE
LOCATED NEAR HUNTSVILLE AND CROCKETT TEXAS. SOME OF THESE STORM ARE
CAPABLE OF PRODUCING PEA TO MARBLE SIZED HAIL.

MOVEMENT WAS TO THE NORTHEAST AT 50 MPH.

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 5:16 AM CDT	Severe Thunderstorm Warning	SHV	Bossier	59 min
May 18, 5:33 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Webster	57 min
May 18, 5:49 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Red River	56 min
May 18, 6:15 AM CDT	Severe Thunderstorm Warning	SHV	De Soto	30 min
May 18, 6:38 AM CDT	Severe Thunderstorm Warning	SHV	Lincoln, Union	52 min
May 18, 6:38 AM CDT	Severe Thunderstorm Warning	SHV	Jackson	52 min
May 18, 6:51 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Red River	54 min
May 18, 7:14 AM CDT	Severe Thunderstorm Warning	SHV	Ouachita	38 min
May 18, 7:14 AM CDT	Severe Thunderstorm Warning	SHV	Winn	38 min
May 18, 4:43 AM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches	32 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995 Every severe thunderstorm warning in 1995

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.