Alert archive / Arkansas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 182, NWS Shreveport, LA

April 20, 1996Union County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 20, 1996, 9:56 PM CDT for Union County, Arkansas. It was in force for 49 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: Apr 20, 1996, 9:56 PM CDT (02:56 UTC)
Expired: Apr 20, 1996, 10:45 PM CDT
In force: 49 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Union County, AR

What was reported inside it

Time	Report	Where	Remark
Apr 20, 10:00 PM CDT	Hail 0.88	El Dorado, AR

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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.9 hours before the alert went out and 306 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2779 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 20, 2:55 PM CDT, 7 hours 1 minute earlier.

Area forecast discussion, Apr 20, 2:55 PM CDT, 7 hours 1 minute before

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SHREVEPORT LA
245 PM CDT SAT APR 20 1996

LARGE AREA RW/TSTMS MOVING INTO E TX ATTM. APPEARS CAP IS BKN AND
CNVCTN TO INTENSIFY. WIND SHIFT BNDRY ON 88D JUST SOUTH OF SHV
EXTENDING INTO TSTM CLUSTER. EXPCT ACTIVITY TO EXPAND ALONG BOUNDARY
AND CONNECT TO SMALLER AREA OF YOUNG TSTMS NORTH OF MLU. SELS CONSIDERING
A WATCH. WILL NOW GET POISED FOR ISSUANCE.

AS FOR NEXT COUPLE OF DAYS...WILL REMAIN IN WARM MOIST SECTOR THRU
MON. FOR NOW WILL GET POISED TO WORK WATCH.

SHV 67/82/69/79  7365

VII

In the hours before

Special weather statement, Apr 20, 6:50 PM CDT, 3 hours 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 9:23 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	52 min
Apr 20, 10:03 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	42 min
Apr 20, 10:09 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	51 min
Apr 20, 10:37 PM CDT	Severe Thunderstorm Warning	SHV	Bossier	38 min
Apr 20, 10:43 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	47 min
Apr 20, 10:58 PM CDT	Severe Thunderstorm Warning	SHV	Webster	47 min
Apr 20, 11:55 PM CDT	Severe Thunderstorm Warning	SHV	Bossier	35 min
Apr 21, 3:43 AM CDT	Severe Thunderstorm Warning	SHV	Caddo	32 min
Apr 21, 4:46 AM CDT	Severe Thunderstorm Warning	SHV	Bossier	29 min
Apr 20, 7:46 PM CDT	Severe Thunderstorm Warning	SHV	Smith	59 min
Apr 20, 8:34 PM CDT	Severe Thunderstorm Warning	SHV	Gregg, Rusk	41 min
Apr 20, 9:16 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Panola	59 min
Apr 20, 9:23 PM CDT	Severe Thunderstorm Warning	SHV	Gregg, Smith	52 min
Apr 20, 9:45 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Panola	30 min
Apr 20, 9:49 PM CDT	Severe Thunderstorm Warning	SHV	Harrison	56 min
Apr 20, 10:47 PM CDT	Severe Thunderstorm Warning	SHV	Marion	28 min
Apr 21, 12:18 AM CDT	Severe Thunderstorm Warning	SHV	Columbia	27 min
Apr 21, 1:05 AM CDT	Severe Thunderstorm Warning	SHV	Lafayette	40 min
Apr 21, 1:36 AM CDT	Severe Thunderstorm Warning	SHV	Columbia, Nevada	39 min
Apr 21, 2:50 AM CDT	Severe Thunderstorm Warning	SHV	Hempstead	55 min
Apr 21, 3:39 AM CDT	Severe Thunderstorm Warning	SHV	Nevada	51 min
Apr 21, 4:04 AM CDT	Severe Thunderstorm Warning	SHV	Columbia, Lafayette	56 min
Apr 21, 5:01 AM CDT	Severe Thunderstorm Warning	SHV	Columbia, Lafayette	59 min
Apr 21, 7:11 AM CDT	Severe Thunderstorm Warning	SHV	Union	34 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1996 Every severe thunderstorm warning in 1996

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.