Alert archive / Arkansas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 13, NWS Little Rock, AR

May 3, 1987Carroll County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 3, 1987, 11:47 AM CDT for Carroll County, Arkansas. It was in force for 58 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: May 3, 1987, 11:47 AM CDT (16:47 UTC)
Expired: May 3, 1987, 12:45 PM CDT
In force: 58 min
Issued by: NWS Little Rock, AR
Area: Whole counties

County Carroll County, AR

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

Time	Report	Where	Remark
May 3, 12:16 PM CDT	Thunderstorm Wind 0	Carroll, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 4.8 hours before the alert went out and 66 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: 2517 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 704 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 365 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.

In the hours before

Special weather statement, May 3, 8:48 AM CDT, 2 hours 59 minutes before

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Special weather statement, May 3, 10:37 AM CDT, 1 hour 10 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 2, 7:40 PM CDT	Severe Thunderstorm Warning	LZK	White	65 min
May 2, 8:00 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke	30 min
May 3, 5:09 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	66 min
May 3, 5:45 PM CDT	Severe Thunderstorm Warning	LZK	Marion	60 min
May 3, 6:34 PM CDT	Severe Thunderstorm Warning	LZK	Searcy, Stone	56 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1987 Every severe thunderstorm warning in 1987

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.