Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 126, NWS Shreveport, LA

March 7, 1998Hempstead County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 7, 1998, 12:23 PM CST for Hempstead County, Arkansas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 7, 1998, 12:23 PM CST (18:23 UTC)
Expired: Mar 7, 1998, 12:55 PM CST
In force: 32 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Hempstead County, AR

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 18:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 6.4 hours before the alert went out and 140 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: 472 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Mar 7, 9:45 AM CST, 2 hours 38 minutes earlier.

Area forecast discussion, Mar 7, 9:45 AM CST, 2 hours 38 minutes before

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In the hours before

Local storm report, Mar 7, 9:43 AM CST, 2 hours 40 minutes before

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Local storm report, Mar 7, 9:43 AM CST, 2 hours 40 minutes before

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Special weather statement, Mar 7, 10:00 AM CST, 2 hours 23 minutes before

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Special weather statement, Mar 7, 10:00 AM CST, 2 hours 23 minutes before

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Local storm report, Mar 7, 10:25 AM CST, 1 hour 58 minutes before

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Local storm report, Mar 7, 10:25 AM CST, 1 hour 58 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
Mar 6, 10:34 PM CST	Severe Thunderstorm Warning	SHV	San Augustine	31 min
Mar 7, 3:08 AM CST	Severe Thunderstorm Warning	SHV	Wood	32 min
Mar 7, 4:23 AM CST	Severe Thunderstorm Warning	SHV	Cass	47 min
Mar 7, 5:14 AM CST	Severe Thunderstorm Warning	SHV	Franklin	46 min
Mar 7, 7:48 AM CST	Severe Thunderstorm Warning	SHV	Angelina	47 min
Mar 7, 8:20 AM CST	Tornado Warning	SHV	Angelina	50 min
Mar 7, 8:44 AM CST	Severe Thunderstorm Warning	SHV	Sabine, San Augustine	46 min
Mar 7, 10:11 AM CST	Severe Thunderstorm Warning	SHV	Shelby	49 min
Mar 7, 1:43 PM CST	Severe Thunderstorm Warning	SHV	Marion	37 min
Mar 6, 6:56 PM CST	Severe Thunderstorm Warning	SHV	Natchitoches	49 min
Mar 7, 12:54 AM CST	Severe Thunderstorm Warning	SHV	Ouachita	51 min
Mar 7, 5:28 AM CST	Severe Thunderstorm Warning	SHV	LaSalle	62 min
Mar 7, 7:00 AM CST	Severe Thunderstorm Warning	SHV	Grant	50 min
Mar 7, 7:07 AM CST	Severe Thunderstorm Warning	SHV	LaSalle	48 min
Mar 7, 7:40 AM CST	Severe Thunderstorm Warning	SHV	Winn	35 min
Mar 7, 7:52 AM CST	Severe Thunderstorm Warning	SHV	Jackson	48 min
Mar 7, 8:47 AM CST	Severe Thunderstorm Warning	SHV	Bienville	63 min
Mar 7, 9:07 AM CST	Severe Thunderstorm Warning	SHV	Sabine	63 min
Mar 7, 9:45 AM CST	Severe Thunderstorm Warning	SHV	De Soto	50 min
Mar 7, 10:52 AM CST	Severe Thunderstorm Warning	SHV	Claiborne, Union	33 min
Mar 7, 11:17 AM CST	Severe Thunderstorm Warning	SHV	LaSalle	33 min
Mar 7, 5:46 PM CST	Severe Thunderstorm Warning	SHV	Sabine	49 min
Mar 7, 8:28 AM CST	Severe Thunderstorm Warning	SHV	Howard	32 min
Mar 7, 11:02 AM CST	Severe Thunderstorm Warning	SHV	Union	48 min
Mar 7, 11:33 AM CST	Severe Thunderstorm Warning	SHV	Little River, Sevier	62 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.